problem_id
stringlengths
6
6
language
stringclasses
2 values
original_status
stringclasses
3 values
original_src
stringlengths
19
243k
changed_src
stringlengths
19
243k
change
stringclasses
3 values
i1
int64
0
8.44k
i2
int64
0
8.44k
j1
int64
0
8.44k
j2
int64
0
8.44k
error
stringclasses
270 values
stderr
stringlengths
0
226k
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define FAST ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define ordered_set \ tree<int, null_type, lessl<int>, rb_tree_tag, \ tree_order_statistics_node_update> #define ll long long #define int long long #define double long double #define all(a) (a).begin(), (a).end() #define sz(x) (int)x.size() #define ff first #define ss second #define mp make_pair #define pb push_back #define endl "\n" #define f(i, l, r) for (int i = l; i <= r; i++) #define rf(i, r, l) for (int i = r; i >= l; i--) #define bp __builtin_popcountll #define inf 1e18 const int N = 3e2 + 5; const int M = 1e9 + 7; int dp[N][N]; int ans[N][N][4]; void solve() { int n, m, k; cin >> n >> m >> k; for (int i = 0; i < N; i++) { for (int j = 0; j < N; j++) { dp[i][j] = 0; for (int p = 0; p < 4; p++) ans[i][j][p] = 0; } } while (k--) { int r1, c1, v1; cin >> r1 >> c1 >> v1; dp[r1][c1] = v1; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { ans[i][j][0] = max(ans[i - 1][j][3], ans[i][j - 1][0]); ans[i][j][1] = max(dp[i][j] + ans[i - 1][j][3], max(ans[i][j - 1][1], ans[i][j - 1][0] + dp[i][j])); ans[i][j][2] = max(dp[i][j] + ans[i - 1][j][3], max(ans[i][j - 1][2], ans[i][j - 1][1] + dp[i][j])); ans[i][j][3] = max(dp[i][j] + ans[i - 1][j][3], max(ans[i][j - 1][3], ans[i][j - 1][2] + dp[i][j])); ans[i][j][1] = max(ans[i][j][1], ans[i][j][0]); ans[i][j][2] = max(ans[i][j][2], ans[i][j][1]); ans[i][j][3] = max(ans[i][j][3], ans[i][j][2]); // cout<<ans[i][j][3]<<" "; } // cout<<endl; } int res = ans[n][m][3]; cout << res << endl; } signed main() { FAST int t = 1; // cin>>t; for (int tc = 1; tc <= t; tc++) { // cout<<"Case #"<<tc<<": "; solve(); } }
#include <bits/stdc++.h> using namespace std; #define FAST ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define ordered_set \ tree<int, null_type, lessl<int>, rb_tree_tag, \ tree_order_statistics_node_update> #define ll long long #define int long long #define double long double #define all(a) (a).begin(), (a).end() #define sz(x) (int)x.size() #define ff first #define ss second #define mp make_pair #define pb push_back #define endl "\n" #define f(i, l, r) for (int i = l; i <= r; i++) #define rf(i, r, l) for (int i = r; i >= l; i--) #define bp __builtin_popcountll #define inf 1e18 const int N = 3e3 + 5; const int M = 1e9 + 7; int dp[N][N]; int ans[N][N][4]; void solve() { int n, m, k; cin >> n >> m >> k; for (int i = 0; i < N; i++) { for (int j = 0; j < N; j++) { dp[i][j] = 0; for (int p = 0; p < 4; p++) ans[i][j][p] = 0; } } while (k--) { int r1, c1, v1; cin >> r1 >> c1 >> v1; dp[r1][c1] = v1; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { ans[i][j][0] = max(ans[i - 1][j][3], ans[i][j - 1][0]); ans[i][j][1] = max(dp[i][j] + ans[i - 1][j][3], max(ans[i][j - 1][1], ans[i][j - 1][0] + dp[i][j])); ans[i][j][2] = max(dp[i][j] + ans[i - 1][j][3], max(ans[i][j - 1][2], ans[i][j - 1][1] + dp[i][j])); ans[i][j][3] = max(dp[i][j] + ans[i - 1][j][3], max(ans[i][j - 1][3], ans[i][j - 1][2] + dp[i][j])); ans[i][j][1] = max(ans[i][j][1], ans[i][j][0]); ans[i][j][2] = max(ans[i][j][2], ans[i][j][1]); ans[i][j][3] = max(ans[i][j][3], ans[i][j][2]); // cout<<ans[i][j][3]<<" "; } // cout<<endl; } int res = ans[n][m][3]; cout << res << endl; } signed main() { FAST int t = 1; // cin>>t; for (int tc = 1; tc <= t; tc++) { // cout<<"Case #"<<tc<<": "; solve(); } }
replace
30
31
30
31
0
p02586
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; i++) #define INF 1000000007 using namespace std; int main() { int r, c, k; cin >> r >> c >> k; long v[r][c]; rep(i, r) rep(j, c) v[i][j] = 0; long dp[4][r][c]; rep(i, 4) rep(j, r) rep(l, c) dp[i][j][l] = 0; rep(i, k) { long ri, ci, vi; cin >> ri >> ci >> vi; ri--; ci--; v[ri][ci] = vi; } rep(i, r - 1) { rep(j, 4) { rep(l, c - 1) { if (j != 3) dp[j + 1][i][l + 1] = max(dp[j + 1][i][l + 1], dp[j][i][l] + v[i][l]); dp[j][i][l + 1] = max(dp[j][i][l + 1], dp[j][i][l]); if (j != 3) dp[0][i + 1][l] = max(dp[0][i + 1][l], dp[j][i][l] + v[i][l]); dp[0][i + 1][l] = max(dp[0][i + 1][l], dp[j][i][l]); } if (j != 3) dp[0][i + 1][c - 1] = max(dp[0][i + 1][c - 1], dp[j][i][c - 1] + v[i][c - 1]); dp[0][i + 1][c - 1] = max(dp[0][i + 1][c - 1], dp[j][i][c - 1]); } } rep(j, 4) { rep(l, c - 1) { if (j != 3) dp[j + 1][r - 1][l + 1] = max(dp[j + 1][r - 1][l + 1], dp[j][r - 1][l] + v[r - 1][l]); dp[j][r - 1][l + 1] = max(dp[j][r - 1][l + 1], dp[j][r - 1][l]); } } long ans = max(dp[0][r - 1][c - 1] + v[r - 1][c - 1], dp[1][r - 1][c - 1] + v[r - 1][c - 1]); ans = max(ans, dp[2][r - 1][c - 1] + v[r - 1][c - 1]); ans = max(ans, dp[3][r - 1][c - 1]); cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; i++) #define INF 1000000007 using namespace std; int main() { int r, c, k; cin >> r >> c >> k; long v[r][c]; rep(i, r) rep(j, c) v[i][j] = 0; // long dp[4][r][c]; vector<vector<vector<long>>> dp(4, vector<vector<long>>(r, vector<long>(c))); rep(i, 4) rep(j, r) rep(l, c) dp[i][j][l] = 0; rep(i, k) { long ri, ci, vi; cin >> ri >> ci >> vi; ri--; ci--; v[ri][ci] = vi; } rep(i, r - 1) { rep(j, 4) { rep(l, c - 1) { if (j != 3) dp[j + 1][i][l + 1] = max(dp[j + 1][i][l + 1], dp[j][i][l] + v[i][l]); dp[j][i][l + 1] = max(dp[j][i][l + 1], dp[j][i][l]); if (j != 3) dp[0][i + 1][l] = max(dp[0][i + 1][l], dp[j][i][l] + v[i][l]); dp[0][i + 1][l] = max(dp[0][i + 1][l], dp[j][i][l]); } if (j != 3) dp[0][i + 1][c - 1] = max(dp[0][i + 1][c - 1], dp[j][i][c - 1] + v[i][c - 1]); dp[0][i + 1][c - 1] = max(dp[0][i + 1][c - 1], dp[j][i][c - 1]); } } rep(j, 4) { rep(l, c - 1) { if (j != 3) dp[j + 1][r - 1][l + 1] = max(dp[j + 1][r - 1][l + 1], dp[j][r - 1][l] + v[r - 1][l]); dp[j][r - 1][l + 1] = max(dp[j][r - 1][l + 1], dp[j][r - 1][l]); } } long ans = max(dp[0][r - 1][c - 1] + v[r - 1][c - 1], dp[1][r - 1][c - 1] + v[r - 1][c - 1]); ans = max(ans, dp[2][r - 1][c - 1] + v[r - 1][c - 1]); ans = max(ans, dp[3][r - 1][c - 1]); cout << ans << endl; return 0; }
replace
10
11
10
12
0
p02586
C++
Runtime Error
#define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; template <typename T> bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <typename T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define all(vec) vec.begin(), vec.end() typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef pair<int, int> pii; typedef tuple<ll, ll, ll> tlll; typedef tuple<int, int, int> tiii; const ll mod = 1e9 + 7; const ll inf = 1ll << 60; ll dp[10][10][5]; ll g[10][10]; int main() { int r, c, k; cin >> r >> c >> k; rep(i, k) { int a, b, d; cin >> a >> b >> d; a--; b--; g[a][b] = d; } if (g[0][0]) { dp[0][0][1] = g[0][0]; dp[0][0][0] = -inf; } rep(i, r) rep(j, c) rep(k, 4) { if (i - 1 >= 0) { if (g[i][j] != 0) chmax(dp[i][j][1], dp[i - 1][j][k] + g[i][j]); chmax(dp[i][j][0], dp[i - 1][j][k]); } if (j - 1 >= 0) { if (g[i][j] != 0) chmax(dp[i][j][k + 1], dp[i][j - 1][k] + g[i][j]); chmax(dp[i][j][k], dp[i][j - 1][k]); } } ll ans = -inf; rep(k, 4) { chmax(ans, dp[r - 1][c - 1][k]); } cout << ans << endl; }
#define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; template <typename T> bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <typename T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define all(vec) vec.begin(), vec.end() typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef pair<int, int> pii; typedef tuple<ll, ll, ll> tlll; typedef tuple<int, int, int> tiii; const ll mod = 1e9 + 7; const ll inf = 1ll << 60; ll dp[3010][3010][5]; ll g[3010][3010]; int main() { int r, c, k; cin >> r >> c >> k; rep(i, k) { int a, b, d; cin >> a >> b >> d; a--; b--; g[a][b] = d; } if (g[0][0]) { dp[0][0][1] = g[0][0]; dp[0][0][0] = -inf; } rep(i, r) rep(j, c) rep(k, 4) { if (i - 1 >= 0) { if (g[i][j] != 0) chmax(dp[i][j][1], dp[i - 1][j][k] + g[i][j]); chmax(dp[i][j][0], dp[i - 1][j][k]); } if (j - 1 >= 0) { if (g[i][j] != 0) chmax(dp[i][j][k + 1], dp[i][j - 1][k] + g[i][j]); chmax(dp[i][j][k], dp[i][j - 1][k]); } } ll ans = -inf; rep(k, 4) { chmax(ans, dp[r - 1][c - 1][k]); } cout << ans << endl; }
replace
30
32
30
32
0
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") typedef long long ll; typedef pair<ll, ll> prl; typedef vector<ll> vcl; typedef map<ll, ll> mapl; typedef unordered_map<ll, ll> umap; #define pb push_back #define all(v) v.begin(), v.end() #define rep(i, a, b) for (ll i = a; i <= b; i++) #define repi(i, a, b) for (int i = a; i <= b; i++) #define repr(i, a, b) for (ll i = a; i >= b; i--) #define reps(i, v) for (ll i = 0; i < v.size(); i++) template <typename T> void chmin(T &a, const T &b) { a = min(a, b); } template <typename T> void chmax(T &a, const T &b) { a = max(a, b); } const ll mod = 1e9 + 7; int main() { // your code goes here ll R, C, K, r, c, v; cin >> R >> C >> K; ll vs[3005][3005] = {0}; ll dp0[3005][3005] = {0}; ll dp1[3005][3005] = {0}; ll dp2[3005][3005] = {0}; ll dp3[3005][3005] = {0}; ll ans = 0; rep(i, 1, K) { cin >> r >> c >> v; vs[r][c] = v; } rep(i, 1, R) { rep(j, 1, C) { rep(k, 0, 3) { if (k == 0) { chmax(dp0[i][j], dp0[i][j - 1]); chmax(dp0[i][j], dp0[i - 1][j]); chmax(dp0[i][j], dp1[i - 1][j]); chmax(dp0[i][j], dp2[i - 1][j]); chmax(dp0[i][j], dp3[i - 1][j]); } else if (vs[i][j] == 0) { chmax(dp0[i][j], dp0[i][j - 1]); chmax(dp1[i][j], dp1[i][j - 1]); chmax(dp2[i][j], dp2[i][j - 1]); chmax(dp3[i][j], dp3[i][j - 1]); } else if (k != 1) { chmax(dp2[i][j], dp2[i][j - 1]); chmax(dp3[i][j], dp3[i][j - 1]); chmax(dp2[i][j], dp1[i][j - 1] + vs[i][j]); chmax(dp3[i][j], dp2[i][j - 1] + vs[i][j]); } else { chmax(dp1[i][j], dp1[i][j - 1]); chmax(dp1[i][j], dp0[i][j - 1] + vs[i][j]); chmax(dp1[i][j], dp0[i - 1][j] + vs[i][j]); chmax(dp1[i][j], dp1[i - 1][j] + vs[i][j]); chmax(dp1[i][j], dp2[i - 1][j] + vs[i][j]); chmax(dp1[i][j], dp3[i - 1][j] + vs[i][j]); } } } } chmax(ans, dp0[R][C]); chmax(ans, dp1[R][C]); chmax(ans, dp2[R][C]); chmax(ans, dp3[R][C]); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") typedef long long ll; typedef pair<ll, ll> prl; typedef vector<ll> vcl; typedef map<ll, ll> mapl; typedef unordered_map<ll, ll> umap; #define pb push_back #define all(v) v.begin(), v.end() #define rep(i, a, b) for (ll i = a; i <= b; i++) #define repi(i, a, b) for (int i = a; i <= b; i++) #define repr(i, a, b) for (ll i = a; i >= b; i--) #define reps(i, v) for (ll i = 0; i < v.size(); i++) template <typename T> void chmin(T &a, const T &b) { a = min(a, b); } template <typename T> void chmax(T &a, const T &b) { a = max(a, b); } const ll mod = 1e9 + 7; int main() { // your code goes here ll R, C, K, r, c, v; cin >> R >> C >> K; vector<vcl> vs(3005, vcl(3005)); vector<vcl> dp0(3005, vcl(3005)); vector<vcl> dp1(3005, vcl(3005)); vector<vcl> dp2(3005, vcl(3005)); vector<vcl> dp3(3005, vcl(3005)); ll ans = 0; rep(i, 1, K) { cin >> r >> c >> v; vs[r][c] = v; } rep(i, 1, R) { rep(j, 1, C) { rep(k, 0, 3) { if (k == 0) { chmax(dp0[i][j], dp0[i][j - 1]); chmax(dp0[i][j], dp0[i - 1][j]); chmax(dp0[i][j], dp1[i - 1][j]); chmax(dp0[i][j], dp2[i - 1][j]); chmax(dp0[i][j], dp3[i - 1][j]); } else if (vs[i][j] == 0) { chmax(dp0[i][j], dp0[i][j - 1]); chmax(dp1[i][j], dp1[i][j - 1]); chmax(dp2[i][j], dp2[i][j - 1]); chmax(dp3[i][j], dp3[i][j - 1]); } else if (k != 1) { chmax(dp2[i][j], dp2[i][j - 1]); chmax(dp3[i][j], dp3[i][j - 1]); chmax(dp2[i][j], dp1[i][j - 1] + vs[i][j]); chmax(dp3[i][j], dp2[i][j - 1] + vs[i][j]); } else { chmax(dp1[i][j], dp1[i][j - 1]); chmax(dp1[i][j], dp0[i][j - 1] + vs[i][j]); chmax(dp1[i][j], dp0[i - 1][j] + vs[i][j]); chmax(dp1[i][j], dp1[i - 1][j] + vs[i][j]); chmax(dp1[i][j], dp2[i - 1][j] + vs[i][j]); chmax(dp1[i][j], dp3[i - 1][j] + vs[i][j]); } } } } chmax(ans, dp0[R][C]); chmax(ans, dp1[R][C]); chmax(ans, dp2[R][C]); chmax(ans, dp3[R][C]); cout << ans << endl; return 0; }
replace
24
29
24
29
-11
p02586
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) #define zero_pad(num) setfill('0') << std::right << setw(num) using namespace std; using ll = long long; using ld = long double; using P = pair<int, int>; int main() { int r, c, k; cin >> r >> c >> k; map<P, ll> mp; rep(i, k) { int r, c, v; cin >> r >> c >> v; r--; c--; mp[make_pair(r, c)] = v; } vector<vector<vector<ll>>> dp(r, vector<vector<ll>>(c, vector<ll>(4, 0))); dp[0][0][1] = mp[make_pair(0, 0)]; rep(i, r) rep(j, c) { P p = make_pair(i, j); if (i == 0 && j == 0) continue; else if (i == 0) { rep(n, 3) { dp[i][j][n + 1] = max(dp[i][j - 1][n + 1], dp[i][j - 1][n] + mp[p]); } } else if (j == 0) { dp[i][j][1] = dp[i - 1][j][1] + mp[p]; dp[i][j][0] = dp[i - 1][j][1]; } else { rep(n, 4) dp[i][j][n] = dp[i][j - 1][n]; rep(n, 4) { dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][n]); dp[i][j][1] = max(dp[i][j][1], dp[i - 1][j][n] + mp[p]); } rep(n, 3) { dp[i][j][n + 1] = max({dp[i][j][n + 1], dp[i][j - 1][n] + mp[p]}); } } } ll ans = 0; rep(i, 4) ans = max(ans, dp[r - 1][c - 1][i]); cout << ans << endl; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) #define zero_pad(num) setfill('0') << std::right << setw(num) using namespace std; using ll = long long; using ld = long double; using P = pair<int, int>; int main() { int r, c, k; cin >> r >> c >> k; map<P, ll> mp; rep(i, k) { int r, c, v; cin >> r >> c >> v; r--; c--; mp[make_pair(r, c)] = v; } vector<vector<vector<ll>>> dp(r, vector<vector<ll>>(c, vector<ll>(4, 0))); dp[0][0][1] = mp[make_pair(0, 0)]; rep(i, r) rep(j, c) { P p = make_pair(i, j); if (i == 0 && j == 0) continue; else if (i == 0) { rep(n, 3) { dp[i][j][n + 1] = max(dp[i][j - 1][n + 1], dp[i][j - 1][n] + mp[p]); } } else if (j == 0) { dp[i][j][1] = dp[i - 1][j][1] + mp[p]; dp[i][j][0] = dp[i - 1][j][1]; } else { rep(n, 4) dp[i][j][n] = dp[i][j - 1][n]; rep(n, 4) { dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][n]); } if (mp.find(p) != mp.end()) { rep(n, 4) { dp[i][j][1] = max(dp[i][j][1], dp[i - 1][j][n] + mp[p]); } rep(n, 3) { dp[i][j][n + 1] = max({dp[i][j][n + 1], dp[i][j - 1][n] + mp[p]}); } } } } ll ans = 0; rep(i, 4) ans = max(ans, dp[r - 1][c - 1][i]); cout << ans << endl; }
replace
36
42
36
42
TLE
p02586
C++
Runtime Error
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; template <typename key> using ordered_set = tree<key, null_type, less<key>, rb_tree_tag, tree_order_statistics_node_update>; #define F first #define S second #define T second.first #define D second.second #define FIO \ ios_base::sync_with_stdio(0); \ cin.tie(0); #define all(v) v.begin(), v.end() #define OO 0x3f3f3f3fLL #define INF 0x3f3f3f3f3f3f3f3fLL #define sz(s) (int)(s.size()) #define RT(s) return cout << s, 0 typedef long long ll; typedef long double ld; typedef pair<ll, ll> pii; typedef pair<ll, pair<ll, ll>> piii; const int N = 3e2 + 5, M = 20, mod = 1000000000; const double EPS = 1e-10; ll n, m, k; ll A[N][N], mem[N][N][4]; ll solve(int x, int y, int rem) { if (x == n - 1 && y == m - 1) { if (rem) return A[x][y]; return 0; } if (x == n || y == m) { return -INF; } ll &ret = mem[x][y][rem]; if (~ret) return ret; if (rem) { ret = max(solve(x, y + 1, rem - 1), solve(x + 1, y, 3)) + A[x][y]; } ret = max(ret, solve(x, y + 1, rem)); ret = max(ret, solve(x + 1, y, 3)); return ret; } int main() { FIO // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); cin >> n >> m >> k; for (int i = 0; i < k; i++) { ll a, b, c; cin >> a >> b >> c; A[a - 1][b - 1] = c; } memset(mem, -1, sizeof mem); cout << solve(0, 0, 3); }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; template <typename key> using ordered_set = tree<key, null_type, less<key>, rb_tree_tag, tree_order_statistics_node_update>; #define F first #define S second #define T second.first #define D second.second #define FIO \ ios_base::sync_with_stdio(0); \ cin.tie(0); #define all(v) v.begin(), v.end() #define OO 0x3f3f3f3fLL #define INF 0x3f3f3f3f3f3f3f3fLL #define sz(s) (int)(s.size()) #define RT(s) return cout << s, 0 typedef long long ll; typedef long double ld; typedef pair<ll, ll> pii; typedef pair<ll, pair<ll, ll>> piii; const int N = 3e3 + 5, M = 20, mod = 1000000000; const double EPS = 1e-10; ll n, m, k; ll A[N][N], mem[N][N][4]; ll solve(int x, int y, int rem) { if (x == n - 1 && y == m - 1) { if (rem) return A[x][y]; return 0; } if (x == n || y == m) { return -INF; } ll &ret = mem[x][y][rem]; if (~ret) return ret; if (rem) { ret = max(solve(x, y + 1, rem - 1), solve(x + 1, y, 3)) + A[x][y]; } ret = max(ret, solve(x, y + 1, rem)); ret = max(ret, solve(x + 1, y, 3)); return ret; } int main() { FIO // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); cin >> n >> m >> k; for (int i = 0; i < k; i++) { ll a, b, c; cin >> a >> b >> c; A[a - 1][b - 1] = c; } memset(mem, -1, sizeof mem); cout << solve(0, 0, 3); }
replace
24
25
24
25
0
p02586
C++
Runtime Error
#include <bits/stdc++.h> #define _USE_MATH_DEFINES using namespace std; #define ll long long int #define pb push_back #define rep(i, j, n) for (ll i = j; i < n; i++) #define pre(i, j, n) for (ll i = j; i >= n; i--) #define all(x) x.begin(), x.end() typedef pair<int, int> pii; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<char> vc; typedef vector<bool> vb; #define br "\n" #define MAX 1000001 #define ff first #define ss second vector<vll> v; ll dp[3001][3001][4]; void solve() { ll n, m, cunt; cin >> n >> m >> cunt; v.resize(n + 1, vll(m + 1, 0)); ll dp[n + 1][m + 1][4]; rep(i, 0, n + 1) { rep(j, 0, m + 1) { rep(k, 0, 4) dp[i][j][k] = 0; } } rep(i, 0, cunt) { ll a, b, val; cin >> a >> b >> val; v[a][b] = val; } // for(auto x:v){ // for(auto y:x) cout << y << " "; // cout << br; // } rep(i, 1, n + 1) { rep(j, 1, m + 1) { ll mx = 0; rep(k, 1, 4) mx = max(dp[i - 1][j][k], mx); rep(k, 1, 4) dp[i][j][k] = max( mx + v[i][j], max(dp[i][j - 1][k], dp[i][j - 1][k - 1] + v[i][j])); // cout << dp[i][j][1] << " "; } // cout << br; } // for(auto x:sum){ // for(auto y:x) cout << y << " "; // cout << br; // } ll ans = 0; rep(i, 0, 4) ans = max(ans, dp[n][m][i]); cout << ans << br; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif ll t = 1; // cin >> t; rep(i, 0, t) { solve(); } }
#include <bits/stdc++.h> #define _USE_MATH_DEFINES using namespace std; #define ll long long int #define pb push_back #define rep(i, j, n) for (ll i = j; i < n; i++) #define pre(i, j, n) for (ll i = j; i >= n; i--) #define all(x) x.begin(), x.end() typedef pair<int, int> pii; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<char> vc; typedef vector<bool> vb; #define br "\n" #define MAX 1000001 #define ff first #define ss second vector<vll> v; ll dp[3001][3001][4]; void solve() { ll n, m, cunt; cin >> n >> m >> cunt; v.resize(n + 1, vll(m + 1, 0)); rep(i, 0, n + 1) { rep(j, 0, m + 1) { rep(k, 0, 4) dp[i][j][k] = 0; } } rep(i, 0, cunt) { ll a, b, val; cin >> a >> b >> val; v[a][b] = val; } // for(auto x:v){ // for(auto y:x) cout << y << " "; // cout << br; // } rep(i, 1, n + 1) { rep(j, 1, m + 1) { ll mx = 0; rep(k, 1, 4) mx = max(dp[i - 1][j][k], mx); rep(k, 1, 4) dp[i][j][k] = max( mx + v[i][j], max(dp[i][j - 1][k], dp[i][j - 1][k - 1] + v[i][j])); // cout << dp[i][j][1] << " "; } // cout << br; } // for(auto x:sum){ // for(auto y:x) cout << y << " "; // cout << br; // } ll ans = 0; rep(i, 0, 4) ans = max(ans, dp[n][m][i]); cout << ans << br; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif ll t = 1; // cin >> t; rep(i, 0, t) { solve(); } }
delete
27
28
27
27
-11
p02586
C++
Runtime Error
#include <bits/stdc++.h> typedef long long ll; using namespace std; const int N = 1e3 + 5; ll r, c, k, x, y, z, g[N][N], dp[N][N][4]; int main() { cin >> r >> c >> k; while (k--) { cin >> x >> y >> z; g[x][y] = z; } for (int i = 1; i <= r; i++) { for (int j = 1; j <= c; j++) { for (int k = 1; k <= 3; k++) { dp[i][j][k] = max(dp[i - 1][j][3] + g[i][j], max(dp[i][j - 1][k - 1] + g[i][j], dp[i][j - 1][k])); } } } cout << dp[r][c][3]; }
#include <bits/stdc++.h> typedef long long ll; using namespace std; const int N = 3e3 + 5; ll r, c, k, x, y, z, g[N][N], dp[N][N][4]; int main() { cin >> r >> c >> k; while (k--) { cin >> x >> y >> z; g[x][y] = z; } for (int i = 1; i <= r; i++) { for (int j = 1; j <= c; j++) { for (int k = 1; k <= 3; k++) { dp[i][j][k] = max(dp[i - 1][j][3] + g[i][j], max(dp[i][j - 1][k - 1] + g[i][j], dp[i][j - 1][k])); } } } cout << dp[r][c][3]; }
replace
3
4
3
4
0
p02586
C++
Runtime Error
#include <bits/stdc++.h> #define int long long using pii = std::pair<int, int>; using namespace std; const int maxn = 3005; int R, C, k, r, c, v, dp[4][maxn][maxn], val[maxn][maxn]; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> R >> C >> k; for (int i = 0; i < k; i++) { cin >> r >> c >> v; r--; c--; val[r][c] = v; } for (int i = 0; i < R; i++) for (int j = 0; j < C; j++) for (int k = 0; k < 4; k++) { dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); if (k < 3) { dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k] + val[i][j]); dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k] + val[i][j]); } } int ans = 0; for (int k = 0; k < 4; k++) ans = max(ans, max(dp[R][C - 1][k], dp[R - 1][C][k])); cout << ans << "\n"; return 0; }
#include <bits/stdc++.h> #define int long long using pii = std::pair<int, int>; using namespace std; const int maxn = 3005; int R, C, k, r, c, v, dp[maxn][maxn][4], val[maxn][maxn]; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> R >> C >> k; for (int i = 0; i < k; i++) { cin >> r >> c >> v; r--; c--; val[r][c] = v; } for (int i = 0; i < R; i++) for (int j = 0; j < C; j++) for (int k = 0; k < 4; k++) { dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); if (k < 3) { dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k] + val[i][j]); dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k] + val[i][j]); } } int ans = 0; for (int k = 0; k < 4; k++) ans = max(ans, max(dp[R][C - 1][k], dp[R - 1][C][k])); cout << ans << "\n"; return 0; }
replace
7
8
7
8
-11
p02586
C++
Runtime Error
#include <algorithm> #include <cmath> #include <cstdio> #include <cstring> #include <vector> using namespace std; typedef long long ll; const int N = 3333; int a[N][N]; ll f[N][N][3]; int n, m, k; int main() { int x, y, v; scanf("%d%d%d", &n, &m, &k); for (int i = 1; i <= k; i++) { scanf("%d%d%d", &x, &y, &v); a[x][y] = v; } for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { for (int k = 0; k <= 3; k++) { if (k) f[i][j][k] = max(f[i][j][k], f[i][j - 1][k - 1] + a[i][j]); f[i][j][k] = max(f[i][j][k], f[i][j - 1][k]); } for (int k = 0; k <= 3; k++) { f[i][j][0] = max(f[i][j][0], f[i - 1][j][k]); f[i][j][1] = max(f[i][j][1], f[i - 1][j][k] + a[i][j]); } } ll ans = 0; for (int i = 0; i <= 3; i++) ans = max(ans, f[n][m][i]); printf("%lld\n", ans); return 0; }
#include <algorithm> #include <cmath> #include <cstdio> #include <cstring> #include <vector> using namespace std; typedef long long ll; const int N = 3333; int a[N][N]; ll f[N][N][4]; int n, m, k; int main() { int x, y, v; scanf("%d%d%d", &n, &m, &k); for (int i = 1; i <= k; i++) { scanf("%d%d%d", &x, &y, &v); a[x][y] = v; } for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { for (int k = 0; k <= 3; k++) { if (k) f[i][j][k] = max(f[i][j][k], f[i][j - 1][k - 1] + a[i][j]); f[i][j][k] = max(f[i][j][k], f[i][j - 1][k]); } for (int k = 0; k <= 3; k++) { f[i][j][0] = max(f[i][j][0], f[i - 1][j][k]); f[i][j][1] = max(f[i][j][1], f[i - 1][j][k] + a[i][j]); } } ll ans = 0; for (int i = 0; i <= 3; i++) ans = max(ans, f[n][m][i]); printf("%lld\n", ans); return 0; }
replace
9
10
9
10
-11
p02586
C++
Runtime Error
#include <bits/stdc++.h> #include <fstream> #include <iostream> #include <stdlib.h> using namespace std; typedef long long ll; typedef pair<int, int> P; typedef pair<ll, ll> llP; ll mod(ll a, ll b) { ll ret = a % b; if (ret < 0) ret += b; return ret; } ll modpow(ll a, ll b, ll c) { ll res = 1; while (b > 0) { if (b & 1) res = mod(res * a, c); a = mod(a * a, c); b >>= 1; } return res; } int main() { int r, c, k; cin >> r >> c >> k; int memo[r + 1][c + 1]; for (int i = 0; i < r + 1; i++) { for (int j = 0; j < c + 1; j++) { memo[i][j] = 0; } } for (int i = 0; i < k; i++) { int R, C, v; cin >> R >> C >> v; memo[R][C] = v; } ll dp[4][r + 1][c + 1]; for (int i = 0; i < 4; i++) { for (int j = 0; j < r + 1; j++) { for (int l = 0; l < c + 1; l++) { dp[i][j][l] = 0; } } } for (int i = 1; i < r + 1; i++) { for (int j = 1; j < c + 1; j++) { for (int l = 0; l < 4; l++) { dp[0][i][j] = max(dp[0][i][j], dp[l][i - 1][j]); } dp[0][i][j] = max(dp[0][i][j], dp[0][i][j - 1]); dp[1][i][j] = dp[1][i][j - 1]; dp[2][i][j] = dp[2][i][j - 1]; dp[3][i][j] = dp[3][i][j - 1]; if (memo[i][j] != 0) { dp[1][i][j] = max(dp[1][i][j - 1], dp[0][i][j] + memo[i][j]); dp[2][i][j] = max(dp[2][i][j - 1], dp[1][i][j - 1] + memo[i][j]); dp[3][i][j] = max(dp[3][i][j - 1], dp[2][i][j - 1] + memo[i][j]); } } } ll ans = 0; for (int i = 0; i < 4; i++) { ans = max(ans, dp[i][r][c]); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #include <fstream> #include <iostream> #include <stdlib.h> using namespace std; typedef long long ll; typedef pair<int, int> P; typedef pair<ll, ll> llP; ll mod(ll a, ll b) { ll ret = a % b; if (ret < 0) ret += b; return ret; } ll modpow(ll a, ll b, ll c) { ll res = 1; while (b > 0) { if (b & 1) res = mod(res * a, c); a = mod(a * a, c); b >>= 1; } return res; } int main() { int r, c, k; cin >> r >> c >> k; int memo[r + 1][c + 1]; for (int i = 0; i < r + 1; i++) { for (int j = 0; j < c + 1; j++) { memo[i][j] = 0; } } for (int i = 0; i < k; i++) { int R, C, v; cin >> R >> C >> v; memo[R][C] = v; } vector<vector<vector<ll>>> dp( 4, vector<vector<ll>>(r + 1, vector<ll>(c + 1, 0))); for (int i = 1; i < r + 1; i++) { for (int j = 1; j < c + 1; j++) { for (int l = 0; l < 4; l++) { dp[0][i][j] = max(dp[0][i][j], dp[l][i - 1][j]); } dp[0][i][j] = max(dp[0][i][j], dp[0][i][j - 1]); dp[1][i][j] = dp[1][i][j - 1]; dp[2][i][j] = dp[2][i][j - 1]; dp[3][i][j] = dp[3][i][j - 1]; if (memo[i][j] != 0) { dp[1][i][j] = max(dp[1][i][j - 1], dp[0][i][j] + memo[i][j]); dp[2][i][j] = max(dp[2][i][j - 1], dp[1][i][j - 1] + memo[i][j]); dp[3][i][j] = max(dp[3][i][j - 1], dp[2][i][j - 1] + memo[i][j]); } } } ll ans = 0; for (int i = 0; i < 4; i++) { ans = max(ans, dp[i][r][c]); } cout << ans << endl; return 0; }
replace
41
49
41
43
0
p02586
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define ll long long const int INF = 0x3f3f3f3f; const ll inf = 0x3f3f3f3f3f3f3f3f; const int N = 2e6 + 10; const ll mod = 1e9 + 7; int n, m, k; ll a[3010][3010]; ll dp[3010][3010][4]; int main() { scanf("%d%d%d", &n, &m, &k); // for (int i = 1; i <= n; i++)for (int j = 1; j <= m; j++)a[i][j] = -inf; for (int i = 1; i <= k; i++) { int x, y; scanf("%d%d", &x, &y); if (a[x][y] != -inf) while (1) ; scanf("%lld", &a[x][y]); } // for (int i = 0; i <= n; i++)for (int j = 0; j <= m; j++)for (int x = 0; x // <= 3; x++)dp[i][j][k] = -inf; for (int i = 0; i <= n; i++) for (int j = 0; j <= m; j++) dp[i][j][0] = 0; dp[1][1][0] = 0; if (a[1][1] >= 0) dp[1][1][1] = a[1][1]; ll ans = 0; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { for (int k = 1; k <= 3; k++) { dp[i][j][k] = max(dp[i - 1][j][3] + a[i][j], max(dp[i][j - 1][k - 1] + a[i][j], dp[i][j - 1][k])); ans = max(ans, dp[i][j][k]); } } } printf("%lld\n", ans); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long const int INF = 0x3f3f3f3f; const ll inf = 0x3f3f3f3f3f3f3f3f; const int N = 2e6 + 10; const ll mod = 1e9 + 7; int n, m, k; ll a[3010][3010]; ll dp[3010][3010][4]; int main() { scanf("%d%d%d", &n, &m, &k); // for (int i = 1; i <= n; i++)for (int j = 1; j <= m; j++)a[i][j] = -inf; for (int i = 1; i <= k; i++) { int x, y; scanf("%d%d", &x, &y); scanf("%lld", &a[x][y]); } // for (int i = 0; i <= n; i++)for (int j = 0; j <= m; j++)for (int x = 0; x // <= 3; x++)dp[i][j][k] = -inf; for (int i = 0; i <= n; i++) for (int j = 0; j <= m; j++) dp[i][j][0] = 0; dp[1][1][0] = 0; if (a[1][1] >= 0) dp[1][1][1] = a[1][1]; ll ans = 0; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { for (int k = 1; k <= 3; k++) { dp[i][j][k] = max(dp[i - 1][j][3] + a[i][j], max(dp[i][j - 1][k - 1] + a[i][j], dp[i][j - 1][k])); ans = max(ans, dp[i][j][k]); } } } printf("%lld\n", ans); return 0; }
delete
16
19
16
16
TLE
p02586
C++
Runtime Error
#include <bits/stdc++.h> #include <fstream> #include <iostream> #include <stdlib.h> using namespace std; typedef long long ll; typedef pair<int, int> P; typedef pair<ll, ll> llP; ll mod(ll a, ll b) { ll ret = a % b; if (ret < 0) ret += b; return ret; } ll modpow(ll a, ll b, ll c) { ll res = 1; while (b > 0) { if (b & 1) res = mod(res * a, c); a = mod(a * a, c); b >>= 1; } return res; } int main() { int r, c, k; cin >> r >> c >> k; ll memo[r + 1][c + 1]; for (int i = 0; i < r + 1; i++) { for (int j = 0; j < c + 1; j++) { memo[i][j] = 0; } } for (int i = 0; i < k; i++) { int R, C; ll v; cin >> R >> C >> v; memo[R][C] = v; } ll dp[r + 1][c + 1][4]; for (int i = 0; i < r + 1; i++) { for (int j = 0; j < c + 1; j++) { for (int l = 0; l < 4; l++) { dp[i][j][l] = 0; } } } for (int i = 1; i < r + 1; i++) { for (int j = 1; j < c + 1; j++) { for (int l = 0; l < 4; l++) { dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][l]); } dp[i][j][0] = max(dp[i][j][0], dp[i][j - 1][0]); dp[i][j][1] = max(dp[i][j - 1][1], dp[i][j][0] + memo[i][j]); dp[i][j][2] = max(dp[i][j - 1][2], dp[i][j - 1][1] + memo[i][j]); dp[i][j][3] = max(dp[i][j - 1][3], dp[i][j - 1][2] + memo[i][j]); } } ll ans = 0; for (int i = 0; i < 4; i++) { ans = max(ans, dp[r][c][i]); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #include <fstream> #include <iostream> #include <stdlib.h> using namespace std; typedef long long ll; typedef pair<int, int> P; typedef pair<ll, ll> llP; ll mod(ll a, ll b) { ll ret = a % b; if (ret < 0) ret += b; return ret; } ll modpow(ll a, ll b, ll c) { ll res = 1; while (b > 0) { if (b & 1) res = mod(res * a, c); a = mod(a * a, c); b >>= 1; } return res; } int main() { int r, c, k; cin >> r >> c >> k; ll memo[r + 1][c + 1]; for (int i = 0; i < r + 1; i++) { for (int j = 0; j < c + 1; j++) { memo[i][j] = 0; } } for (int i = 0; i < k; i++) { int R, C; ll v; cin >> R >> C >> v; memo[R][C] = v; } vector<vector<vector<ll>>> dp(r + 1, vector<vector<ll>>(c + 1, vector<ll>(4, 0))); for (int i = 0; i < r + 1; i++) { for (int j = 0; j < c + 1; j++) { for (int l = 0; l < 4; l++) { dp[i][j][l] = 0; } } } for (int i = 1; i < r + 1; i++) { for (int j = 1; j < c + 1; j++) { for (int l = 0; l < 4; l++) { dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][l]); } dp[i][j][0] = max(dp[i][j][0], dp[i][j - 1][0]); dp[i][j][1] = max(dp[i][j - 1][1], dp[i][j][0] + memo[i][j]); dp[i][j][2] = max(dp[i][j - 1][2], dp[i][j - 1][1] + memo[i][j]); dp[i][j][3] = max(dp[i][j - 1][3], dp[i][j - 1][2] + memo[i][j]); } } ll ans = 0; for (int i = 0; i < 4; i++) { ans = max(ans, dp[r][c][i]); } cout << ans << endl; return 0; }
replace
42
43
42
44
0
p02586
C++
Runtime Error
// Hail god Yato #include <bits/stdc++.h> using namespace std; #define hs \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); typedef long long ll; const ll mod = 1000000007; const ll INF = 1e18; const ll MAX = 3005; // // int r, c; ll g[MAX][MAX]; ll dp[MAX][MAX][4]; // 0 1 2 3 ll check(int x, int y, int type) { if (x > r || y > c || x <= 0 || y <= 0 || type < 0) return LONG_LONG_MIN; ll &ans = dp[x][y][type]; if (ans != -1) return ans; if (x == 1 && y == 1) { if (type != 0) return g[1][1]; // else if(type == 0) return 0; } ans = max({max({check(x - 1, y, 3), check(x - 1, y, 2), check(x - 1, y, 1), check(x - 1, y, 0)}) + ((type > 0) ? g[x][y] : 0), check(x, y - 1, type), check(x, y - 1, type - 1) + g[x][y]}); return ans; } void solve() { cin >> r >> c; int k; cin >> k; memset(g, 0, sizeof(g)); memset(dp, -1, sizeof(dp)); for (int i = 0; i < k; i++) { int x, y, val; cin >> x >> y >> val; g[x][y] = val; } cout << max({check(r, c, 0), check(r, c, 1), check(r, c, 2), check(r, c, 3)}) << "\n"; } int main() { hs; ll t; t = 1; cin >> t; for (int i = 1; i <= t; i++) { // cout<<"Case #"<<i<<": "; solve(); } return 0; }
// Hail god Yato #include <bits/stdc++.h> using namespace std; #define hs \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); typedef long long ll; const ll mod = 1000000007; const ll INF = 1e18; const ll MAX = 3005; // // int r, c; ll g[MAX][MAX]; ll dp[MAX][MAX][4]; // 0 1 2 3 ll check(int x, int y, int type) { if (x > r || y > c || x <= 0 || y <= 0 || type < 0) return LONG_LONG_MIN; ll &ans = dp[x][y][type]; if (ans != -1) return ans; if (x == 1 && y == 1) { if (type != 0) return g[1][1]; // else if(type == 0) return 0; } ans = max({max({check(x - 1, y, 3), check(x - 1, y, 2), check(x - 1, y, 1), check(x - 1, y, 0)}) + ((type > 0) ? g[x][y] : 0), check(x, y - 1, type), check(x, y - 1, type - 1) + g[x][y]}); return ans; } void solve() { cin >> r >> c; int k; cin >> k; memset(g, 0, sizeof(g)); memset(dp, -1, sizeof(dp)); for (int i = 0; i < k; i++) { int x, y, val; cin >> x >> y >> val; g[x][y] = val; } cout << max({check(r, c, 0), check(r, c, 1), check(r, c, 2), check(r, c, 3)}) << "\n"; } int main() { hs; ll t; t = 1; // cin>>t; for (int i = 1; i <= t; i++) { // cout<<"Case #"<<i<<": "; solve(); } return 0; }
replace
58
59
58
59
-11
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; long long dp[6][6][4]; int main() { int R, C, K; cin >> R >> C >> K; vector<vector<long long>> table(R, vector<long long>(C)); for (int i = 0; i < K; ++i) { int r, c, v; cin >> r >> c >> v; r--; c--; table[r][c] = v; } // init for (int i = 0; i < R; ++i) { for (int j = 0; j < C; ++j) { for (int k = 0; k < 3; ++k) { // 右に行く場合 // 使う場合 dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k] + table[i][j]); // 使わない場合 dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k + 1]); // 下に行く場合 dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j + 1][k + 1]); } } } cout << dp[R][C - 1][0] << endl; }
#include <bits/stdc++.h> using namespace std; long long dp[3005][3005][4]; int main() { int R, C, K; cin >> R >> C >> K; vector<vector<long long>> table(R, vector<long long>(C)); for (int i = 0; i < K; ++i) { int r, c, v; cin >> r >> c >> v; r--; c--; table[r][c] = v; } // init for (int i = 0; i < R; ++i) { for (int j = 0; j < C; ++j) { for (int k = 0; k < 3; ++k) { // 右に行く場合 // 使う場合 dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k] + table[i][j]); // 使わない場合 dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k + 1]); // 下に行く場合 dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j + 1][k + 1]); } } } cout << dp[R][C - 1][0] << endl; }
replace
3
4
3
4
0
p02586
C++
Runtime Error
// #define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; // #include <atcoder/all> // using namespace atcoder; using ll = long long; #define pp pair<int, int> #define rep(i, n) for (int(i) = 0; (i) < (n); (i)++) #define ld long double #define al(a) (a).begin(), (a).end() #define mk make_pair #define check cout << "?" << endl; template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { if (v.empty()) { os << "{ }"; return os; } os << "{" << v.front(); for (auto itr = ++v.begin(); itr != v.end(); itr++) { os << ", " << *itr; } os << "}"; return os; } ll MOD = 1000000007; ll mod = 998244353; int inf = 1000001000; ll INF = 1e18 + 5; int main() { ll R, C, k; cin >> R >> C >> k; vector<vector<ll>> m(R, vector<ll>(C, -1)); rep(i, k) { ll r, c, v; cin >> r >> c >> v; r--; c--; m[r][c] = v; } ll dp[4][R + 1][C]; rep(i, 4) rep(j, R + 1) rep(K, C) dp[i][j][K] = -1; dp[0][0][0] = 0; rep(i, R) rep(j, C) for (int K = 3; K >= 0; K--) { if (dp[K][i][j] == -1) continue; if (j != C - 1) dp[K][i][j + 1] = max(dp[K][i][j + 1], dp[K][i][j]); dp[0][i + 1][j] = max(dp[0][i + 1][j], dp[K][i][j]); if (m[i][j] != -1) { if (K < 3 && dp[K + 1][i][j] < dp[K][i][j] + m[i][j]) { dp[K + 1][i][j] = dp[K][i][j] + m[i][j]; if (j != C - 1) dp[K + 1][i][j + 1] = max(dp[K + 1][i][j + 1], dp[K + 1][i][j]); dp[0][i + 1][j] = max(dp[0][i + 1][j], dp[K + 1][i][j]); } } } ll ans = 0; rep(i, 4) rep(j, C) ans = max(ans, dp[i][R][j]); cout << ans << endl; }
// #define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; // #include <atcoder/all> // using namespace atcoder; using ll = long long; #define pp pair<int, int> #define rep(i, n) for (int(i) = 0; (i) < (n); (i)++) #define ld long double #define al(a) (a).begin(), (a).end() #define mk make_pair #define check cout << "?" << endl; template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { if (v.empty()) { os << "{ }"; return os; } os << "{" << v.front(); for (auto itr = ++v.begin(); itr != v.end(); itr++) { os << ", " << *itr; } os << "}"; return os; } ll MOD = 1000000007; ll mod = 998244353; int inf = 1000001000; ll INF = 1e18 + 5; int main() { ll R, C, k; cin >> R >> C >> k; vector<vector<ll>> m(R, vector<ll>(C, -1)); rep(i, k) { ll r, c, v; cin >> r >> c >> v; r--; c--; m[r][c] = v; } vector<vector<vector<ll>>> dp(4, vector<vector<ll>>(R + 1, vector<ll>(C, -1))); dp[0][0][0] = 0; rep(i, R) rep(j, C) for (int K = 3; K >= 0; K--) { if (dp[K][i][j] == -1) continue; if (j != C - 1) dp[K][i][j + 1] = max(dp[K][i][j + 1], dp[K][i][j]); dp[0][i + 1][j] = max(dp[0][i + 1][j], dp[K][i][j]); if (m[i][j] != -1) { if (K < 3 && dp[K + 1][i][j] < dp[K][i][j] + m[i][j]) { dp[K + 1][i][j] = dp[K][i][j] + m[i][j]; if (j != C - 1) dp[K + 1][i][j + 1] = max(dp[K + 1][i][j + 1], dp[K + 1][i][j]); dp[0][i + 1][j] = max(dp[0][i + 1][j], dp[K + 1][i][j]); } } } ll ans = 0; rep(i, 4) rep(j, C) ans = max(ans, dp[i][R][j]); cout << ans << endl; }
replace
42
44
42
44
0
p02586
C++
Time Limit Exceeded
#include "bits/stdc++.h" #include "ext/pb_ds/assoc_container.hpp" using namespace __gnu_pbds; using namespace std; #define pb push_back #define all(x) (x).begin(), (x).end() #define int long long #define INF 1e18 #define ff first #define ss second #define vi vector<int> #define pii pair<int, int> #define mii map<int, int> #define endl "\n" #define GCD(x, y) (__gcd((x), (y))) #define LCM(x, y) (((x) / __gcd((x), (y))) * (y)) #define debug(x) cout << #x << " is " << (x) << endl #define mem(a, x) memset(a, x, sizeof(a)) #define rep(i, a, b) for (long long i = a; i < b; i++) #define sp(ans, p) fixed << setprecision(p) << ans; #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; constexpr int N = 3005; int r, c, k; int arr[N][N]; int dp[N][N][4]; int recur(int r, int c, int pick) { if (r < 0 || c < 0 || pick <= 0) { return 0; } if (dp[r][c][pick] != -1) return dp[r][c][pick]; int a = recur(r - 1, c, 3) + arr[r][c]; int b = recur(r, c - 1, pick - 1) + arr[r][c]; int cc = recur(r, c - 1, pick); int z = max(a, max(b, cc)); return z; } void solve() { mem(dp, -1); cin >> r >> c >> k; rep(i, 0, k) { int a, b, v; cin >> a >> b >> v; a--, b--; arr[a][b] = v; } cout << recur(r - 1, c - 1, 3) << endl; return; } signed main() { IOS; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // sieve(); int t = 1; // cin >> t; while (t--) solve(); return 0; }
#include "bits/stdc++.h" #include "ext/pb_ds/assoc_container.hpp" using namespace __gnu_pbds; using namespace std; #define pb push_back #define all(x) (x).begin(), (x).end() #define int long long #define INF 1e18 #define ff first #define ss second #define vi vector<int> #define pii pair<int, int> #define mii map<int, int> #define endl "\n" #define GCD(x, y) (__gcd((x), (y))) #define LCM(x, y) (((x) / __gcd((x), (y))) * (y)) #define debug(x) cout << #x << " is " << (x) << endl #define mem(a, x) memset(a, x, sizeof(a)) #define rep(i, a, b) for (long long i = a; i < b; i++) #define sp(ans, p) fixed << setprecision(p) << ans; #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; constexpr int N = 3005; int r, c, k; int arr[N][N]; int dp[N][N][4]; int recur(int r, int c, int pick) { if (r < 0 || c < 0 || pick <= 0) { return 0; } if (dp[r][c][pick] != -1) return dp[r][c][pick]; int a = recur(r - 1, c, 3) + arr[r][c]; int b = recur(r, c - 1, pick - 1) + arr[r][c]; int cc = recur(r, c - 1, pick); int z = max(a, max(b, cc)); return dp[r][c][pick] = z; } void solve() { mem(dp, -1); cin >> r >> c >> k; rep(i, 0, k) { int a, b, v; cin >> a >> b >> v; a--, b--; arr[a][b] = v; } cout << recur(r - 1, c - 1, 3) << endl; return; } signed main() { IOS; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // sieve(); int t = 1; // cin >> t; while (t--) solve(); return 0; }
replace
48
49
48
49
TLE
p02586
C++
Runtime Error
#include <bits/stdc++.h> #include <float.h> #include <math.h> #define rep(i, n) for (int i = 0; i < (n); i++) #define rrep(i, n) for (int i = 0; i <= (n); i++) using namespace std; typedef long long ll; const ll INF = 1LL << 62; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } // 多次元 vector 生成 template <class T> vector<T> make_vec(size_t a) { return vector<T>(a); } template <class T, class... Ts> auto make_vec(size_t a, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...)); } const int MOD = 1000000007; const int max_v = 3001; ll dp[max_v][max_v][4]; int main() { int R, C, K; cin >> R >> C >> K; vector<vector<ll>> rcv(R, vector<ll>(C, 0)); rep(i, K) { ll tr, tc, tv; cin >> tr >> tc >> tv; tr--; tc--; rcv[tr][tc] = tv; } rep(i, max_v) { rep(j, max_v) { rep(k, 4) { dp[i][j][k] = -INF; } } } dp[0][0][0] = 0; dp[0][0][1] = rcv[0][0]; rep(i, R) { rep(j, C) { rep(k, 4) { dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); dp[i + 1][j][1] = max(dp[i + 1][j][1], dp[i][j][k] + rcv[i + 1][j]); dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); if (k + 1 < 4) { dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k] + rcv[i][j + 1]); } } } } ll ans = -1; rep(i, 4) { ans = max(ans, dp[R - 1][C - 1][i]); } cout << ans << endl; }
#include <bits/stdc++.h> #include <float.h> #include <math.h> #define rep(i, n) for (int i = 0; i < (n); i++) #define rrep(i, n) for (int i = 0; i <= (n); i++) using namespace std; typedef long long ll; const ll INF = 1LL << 62; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } // 多次元 vector 生成 template <class T> vector<T> make_vec(size_t a) { return vector<T>(a); } template <class T, class... Ts> auto make_vec(size_t a, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...)); } const int MOD = 1000000007; const int max_v = 3001; ll dp[max_v][max_v][4]; int main() { int R, C, K; cin >> R >> C >> K; vector<vector<ll>> rcv(R + 1, vector<ll>(C + 1, 0)); rep(i, K) { ll tr, tc, tv; cin >> tr >> tc >> tv; tr--; tc--; rcv[tr][tc] = tv; } rep(i, max_v) { rep(j, max_v) { rep(k, 4) { dp[i][j][k] = -INF; } } } dp[0][0][0] = 0; dp[0][0][1] = rcv[0][0]; rep(i, R) { rep(j, C) { rep(k, 4) { dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); dp[i + 1][j][1] = max(dp[i + 1][j][1], dp[i][j][k] + rcv[i + 1][j]); dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); if (k + 1 < 4) { dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k] + rcv[i][j + 1]); } } } } ll ans = -1; rep(i, 4) { ans = max(ans, dp[R - 1][C - 1][i]); } cout << ans << endl; }
replace
38
39
38
39
-11
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> VI; typedef vector<vector<int>> VVI; typedef vector<ll> VLL; typedef vector<vector<ll>> VVLL; typedef pair<ll, ll> Pair; template <class T> T input() { T t; cin >> t; return t; } #define FOR(i, a, b) for (ll i = a; i < b; i++) #define REP(i, b) FOR(i, 0, b) #define RFOR(i, a, b) for (ll i = a - 1; i >= b; i--) #define RREP(i, a) RFOR(i, a, 0) #define REPALL(i, x) for (ll i = 0; i < x.size(); i++) #define RREPALL(i, x) for (ll i = x.size() - 1; i >= 0; i--) #define REPITR(itr, x) for (auto itr = (x).begin(); itr != (x).end(); itr++) #define ALL(x) (x).begin(), (x).end() #define SORT(x) sort(ALL(x)) #define MIN_ELEMENT(x) min_element(ALL(x)) #define MAX_ELEMENT(x) max_element(ALL(x)) #define COUNT(x, num) count(ALL(x), num) #define MEMSET(x, val) memset(x, val, sizeof(x)) #define CHMAX(a, b) a = max(a, b) #define CHMIN(a, b) a = min(a, b) #define FIND(x, key) x.find(key) != x.end() #define IN_RANGE_V2(v, k, x, y) \ (0 <= x + dx[k] && x + dx[k] < v[y].size() && 0 <= y + dy[k] && \ y + dy[k] < v.size()) #define debug(x) cerr << __LINE__ << ": " << (#x) << " = " << (x) << endl; void YES(bool flag) { cout << (flag ? "YES" : "NO") << endl; } void Yes(bool flag) { cout << (flag ? "Yes" : "No") << endl; } void yes(bool flag) { cout << (flag ? "yes" : "no") << endl; } #define PRINT_ARRAY_H(a) \ REPALL(__i, a) { cout << a[__i] << (__i != a.size() - 1 ? " " : ""); } \ newline; #define PRINT_ARRAY_V(a) \ REPALL(__i, a) { cout << a[__i] << endl; } #define e1 first #define e2 second #define newline putchar('\n') #define cspace ' ' #define sspace " " const int INF = 1e7; const ll MOD = 1e9 + 7; const double pi = 3.141592653589793; const VI dx = {1, 0, -1, 0}; const VI dy = {0, 1, 0, -1}; // const VI dx = {1, 1, 0, -1, -1, -1, 0, 1}; // const VI dy = {0, 1, 1, 1, 0, -1, -1, -1}; VVLL values(3333, VLL(3333)); VVLL cval(3333, VLL(4)); void solve() { ll R, C, K; cin >> R >> C >> K; REP(i, K) { ll r, c, v; cin >> r >> c >> v; r--; c--; values[r][c] = v; } cval[0][1] = values[0][0]; REP(i, R + C - 1) { VVLL tval(3333, VLL(4)); REP(j, 3333) { ll k = i - j; if (k < 0) break; else if (k >= C) continue; REP(t, 4) { CHMAX(tval[j][t], cval[j][t]); if (t < 3) CHMAX(tval[j][t + 1], cval[j][t] + values[j][k + 1]); CHMAX(tval[j + 1][0], cval[j][t]); CHMAX(tval[j + 1][1], cval[j][t] + values[j + 1][k]); } } cval = tval; // cout<<i<<sspace<<*MAX_ELEMENT(cval[i])<<endl; } cout << *MAX_ELEMENT(cval[R]) << endl; } int main() { cout << fixed << setprecision(20); int __t = 1; // cin>>__t; REP(i, __t) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> VI; typedef vector<vector<int>> VVI; typedef vector<ll> VLL; typedef vector<vector<ll>> VVLL; typedef pair<ll, ll> Pair; template <class T> T input() { T t; cin >> t; return t; } #define FOR(i, a, b) for (ll i = a; i < b; i++) #define REP(i, b) FOR(i, 0, b) #define RFOR(i, a, b) for (ll i = a - 1; i >= b; i--) #define RREP(i, a) RFOR(i, a, 0) #define REPALL(i, x) for (ll i = 0; i < x.size(); i++) #define RREPALL(i, x) for (ll i = x.size() - 1; i >= 0; i--) #define REPITR(itr, x) for (auto itr = (x).begin(); itr != (x).end(); itr++) #define ALL(x) (x).begin(), (x).end() #define SORT(x) sort(ALL(x)) #define MIN_ELEMENT(x) min_element(ALL(x)) #define MAX_ELEMENT(x) max_element(ALL(x)) #define COUNT(x, num) count(ALL(x), num) #define MEMSET(x, val) memset(x, val, sizeof(x)) #define CHMAX(a, b) a = max(a, b) #define CHMIN(a, b) a = min(a, b) #define FIND(x, key) x.find(key) != x.end() #define IN_RANGE_V2(v, k, x, y) \ (0 <= x + dx[k] && x + dx[k] < v[y].size() && 0 <= y + dy[k] && \ y + dy[k] < v.size()) #define debug(x) cerr << __LINE__ << ": " << (#x) << " = " << (x) << endl; void YES(bool flag) { cout << (flag ? "YES" : "NO") << endl; } void Yes(bool flag) { cout << (flag ? "Yes" : "No") << endl; } void yes(bool flag) { cout << (flag ? "yes" : "no") << endl; } #define PRINT_ARRAY_H(a) \ REPALL(__i, a) { cout << a[__i] << (__i != a.size() - 1 ? " " : ""); } \ newline; #define PRINT_ARRAY_V(a) \ REPALL(__i, a) { cout << a[__i] << endl; } #define e1 first #define e2 second #define newline putchar('\n') #define cspace ' ' #define sspace " " const int INF = 1e7; const ll MOD = 1e9 + 7; const double pi = 3.141592653589793; const VI dx = {1, 0, -1, 0}; const VI dy = {0, 1, 0, -1}; // const VI dx = {1, 1, 0, -1, -1, -1, 0, 1}; // const VI dy = {0, 1, 1, 1, 0, -1, -1, -1}; VVLL values(3333, VLL(3333)); VVLL cval(3333, VLL(4)); void solve() { ll R, C, K; cin >> R >> C >> K; REP(i, K) { ll r, c, v; cin >> r >> c >> v; r--; c--; values[r][c] = v; } cval[0][1] = values[0][0]; REP(i, R + C - 1) { VVLL tval(3333, VLL(4)); REP(j, R) { ll k = i - j; if (k < 0) break; else if (k >= C) continue; REP(t, 4) { CHMAX(tval[j][t], cval[j][t]); if (t < 3) CHMAX(tval[j][t + 1], cval[j][t] + values[j][k + 1]); CHMAX(tval[j + 1][0], cval[j][t]); CHMAX(tval[j + 1][1], cval[j][t] + values[j + 1][k]); } } cval = tval; // cout<<i<<sspace<<*MAX_ELEMENT(cval[i])<<endl; } cout << *MAX_ELEMENT(cval[R]) << endl; } int main() { cout << fixed << setprecision(20); int __t = 1; // cin>>__t; REP(i, __t) { solve(); } return 0; }
replace
72
73
72
73
0
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> VI; typedef vector<vector<int>> VVI; typedef vector<ll> VLL; typedef vector<vector<ll>> VVLL; typedef pair<ll, ll> Pair; template <class T> T input() { T t; cin >> t; return t; } #define FOR(i, a, b) for (ll i = a; i < b; i++) #define REP(i, b) FOR(i, 0, b) #define RFOR(i, a, b) for (ll i = a - 1; i >= b; i--) #define RREP(i, a) RFOR(i, a, 0) #define REPALL(i, x) for (ll i = 0; i < x.size(); i++) #define RREPALL(i, x) for (ll i = x.size() - 1; i >= 0; i--) #define REPITR(itr, x) for (auto itr = (x).begin(); itr != (x).end(); itr++) #define ALL(x) (x).begin(), (x).end() #define SORT(x) sort(ALL(x)) #define MIN_ELEMENT(x) min_element(ALL(x)) #define MAX_ELEMENT(x) max_element(ALL(x)) #define COUNT(x, num) count(ALL(x), num) #define MEMSET(x, val) memset(x, val, sizeof(x)) #define CHMAX(a, b) a = max(a, b) #define CHMIN(a, b) a = min(a, b) #define FIND(x, key) x.find(key) != x.end() #define IN_RANGE_V2(v, k, x, y) \ (0 <= x + dx[k] && x + dx[k] < v[y].size() && 0 <= y + dy[k] && \ y + dy[k] < v.size()) #define debug(x) cerr << __LINE__ << ": " << (#x) << " = " << (x) << endl; void YES(bool flag) { cout << (flag ? "YES" : "NO") << endl; } void Yes(bool flag) { cout << (flag ? "Yes" : "No") << endl; } void yes(bool flag) { cout << (flag ? "yes" : "no") << endl; } #define PRINT_ARRAY_H(a) \ REPALL(__i, a) { cout << a[__i] << (__i != a.size() - 1 ? " " : ""); } \ newline; #define PRINT_ARRAY_V(a) \ REPALL(__i, a) { cout << a[__i] << endl; } #define e1 first #define e2 second #define newline putchar('\n') #define cspace ' ' #define sspace " " const int INF = 1e7; const ll MOD = 1e9 + 7; const double pi = 3.141592653589793; const VI dx = {1, 0, -1, 0}; const VI dy = {0, 1, 0, -1}; // const VI dx = {1, 1, 0, -1, -1, -1, 0, 1}; // const VI dy = {0, 1, 1, 1, 0, -1, -1, -1}; VVLL values(3333, VLL(333)); vector<vector<vector<ll>>> dp(3333, VVLL(3333, VLL(5, 0))); void solve() { ll R, C, K; cin >> R >> C >> K; REP(i, K) { ll r, c, v; cin >> r >> c >> v; r--; c--; values[r][c] = v; } dp[0][0][1] = values[0][0]; REP(i, R + C - 1) { REP(j, R) { ll k = i - j; if (k < 0) break; else if (k >= C) continue; REP(t, 4) { CHMAX(dp[j][k + 1][t], dp[j][k][t]); CHMAX(dp[j][k + 1][t + 1], dp[j][k][t] + values[j][k + 1]); CHMAX(dp[j + 1][k][0], dp[j][k][t]); CHMAX(dp[j + 1][k][1], dp[j][k][t] + values[j + 1][k]); } } } cout << *MAX_ELEMENT(dp[R - 1][C - 1]) << endl; } int main() { cout << fixed << setprecision(20); int __t = 1; // cin>>__t; REP(i, __t) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> VI; typedef vector<vector<int>> VVI; typedef vector<ll> VLL; typedef vector<vector<ll>> VVLL; typedef pair<ll, ll> Pair; template <class T> T input() { T t; cin >> t; return t; } #define FOR(i, a, b) for (ll i = a; i < b; i++) #define REP(i, b) FOR(i, 0, b) #define RFOR(i, a, b) for (ll i = a - 1; i >= b; i--) #define RREP(i, a) RFOR(i, a, 0) #define REPALL(i, x) for (ll i = 0; i < x.size(); i++) #define RREPALL(i, x) for (ll i = x.size() - 1; i >= 0; i--) #define REPITR(itr, x) for (auto itr = (x).begin(); itr != (x).end(); itr++) #define ALL(x) (x).begin(), (x).end() #define SORT(x) sort(ALL(x)) #define MIN_ELEMENT(x) min_element(ALL(x)) #define MAX_ELEMENT(x) max_element(ALL(x)) #define COUNT(x, num) count(ALL(x), num) #define MEMSET(x, val) memset(x, val, sizeof(x)) #define CHMAX(a, b) a = max(a, b) #define CHMIN(a, b) a = min(a, b) #define FIND(x, key) x.find(key) != x.end() #define IN_RANGE_V2(v, k, x, y) \ (0 <= x + dx[k] && x + dx[k] < v[y].size() && 0 <= y + dy[k] && \ y + dy[k] < v.size()) #define debug(x) cerr << __LINE__ << ": " << (#x) << " = " << (x) << endl; void YES(bool flag) { cout << (flag ? "YES" : "NO") << endl; } void Yes(bool flag) { cout << (flag ? "Yes" : "No") << endl; } void yes(bool flag) { cout << (flag ? "yes" : "no") << endl; } #define PRINT_ARRAY_H(a) \ REPALL(__i, a) { cout << a[__i] << (__i != a.size() - 1 ? " " : ""); } \ newline; #define PRINT_ARRAY_V(a) \ REPALL(__i, a) { cout << a[__i] << endl; } #define e1 first #define e2 second #define newline putchar('\n') #define cspace ' ' #define sspace " " const int INF = 1e7; const ll MOD = 1e9 + 7; const double pi = 3.141592653589793; const VI dx = {1, 0, -1, 0}; const VI dy = {0, 1, 0, -1}; // const VI dx = {1, 1, 0, -1, -1, -1, 0, 1}; // const VI dy = {0, 1, 1, 1, 0, -1, -1, -1}; VVLL values(3333, VLL(3333)); vector<vector<vector<ll>>> dp(3333, VVLL(3333, VLL(4, 0))); void solve() { ll R, C, K; cin >> R >> C >> K; REP(i, K) { ll r, c, v; cin >> r >> c >> v; r--; c--; values[r][c] = v; } dp[0][0][1] = values[0][0]; REP(i, R + C - 1) { REP(j, R) { ll k = i - j; if (k < 0) break; else if (k >= C) continue; REP(t, 4) { CHMAX(dp[j][k + 1][t], dp[j][k][t]); CHMAX(dp[j][k + 1][t + 1], dp[j][k][t] + values[j][k + 1]); CHMAX(dp[j + 1][k][0], dp[j][k][t]); CHMAX(dp[j + 1][k][1], dp[j][k][t] + values[j + 1][k]); } } } cout << *MAX_ELEMENT(dp[R - 1][C - 1]) << endl; } int main() { cout << fixed << setprecision(20); int __t = 1; // cin>>__t; REP(i, __t) { solve(); } return 0; }
replace
55
57
55
57
-6
terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc
p02586
C++
Runtime Error
#include <algorithm> #include <bits/stdc++.h> #include <bitset> #include <cmath> #include <cstring> #include <deque> #include <iomanip> #include <iostream> #include <limits> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <regex> #include <set> #include <stack> #include <string> #include <tuple> #include <type_traits> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; typedef long long ll; #define rep(i, n) for (ll i = 0; i < n; ++i) #define exout(x) printf("%.10f\n", x) #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) const double pi = acos(-1.0); const ll MOD = 1000000007; const ll INF = 1e18; const ll MAX_N = 201010; // 組み合わせの余りを求める ll fac[MAX_N], finv[MAX_N], inv[MAX_N]; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX_N; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(ll n, ll k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } // 最大公約数 ll gcd(ll x, ll y) { return y ? gcd(y, x % y) : x; } ll lcm(ll x, ll y) { if (x == 0 || y == 0) return 0; return (x / gcd(x, y) * y); } ll dx[4] = {0, 0, -1, 1}; ll dy[4] = {-1, 1, 0, 0}; char notes[110][10]; ll tre[3030][3030]; ll dp[3030][3030][4]; // long longしか使わない // 素数は1より大きい // lower_boundは指定したkey以上の要素の一番左のイテレータをかえす // upper_boundは指定したkeyより大きい要素の一番左のイテレータをかえす int main() { ll r, c, n; cin >> r >> c >> n; rep(i, n) { ll x, y, v; x--; y--; tre[x][y] = v; } rep(i, r) { rep(j, c) { for (ll k = 2; k >= 0; --k) { chmax(dp[i][j][k + 1], dp[i][j][k] + tre[i][j]); } rep(k, 4) { chmax(dp[i + 1][j][0], dp[i][j][k]); chmax(dp[i][j + 1][k], dp[i][j][k]); } } } ll ans = 0; rep(i, 4) { chmax(ans, dp[r - 1][c - 1][i]); } cout << ans << endl; return 0; }
#include <algorithm> #include <bits/stdc++.h> #include <bitset> #include <cmath> #include <cstring> #include <deque> #include <iomanip> #include <iostream> #include <limits> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <regex> #include <set> #include <stack> #include <string> #include <tuple> #include <type_traits> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; typedef long long ll; #define rep(i, n) for (ll i = 0; i < n; ++i) #define exout(x) printf("%.10f\n", x) #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) const double pi = acos(-1.0); const ll MOD = 1000000007; const ll INF = 1e18; const ll MAX_N = 201010; // 組み合わせの余りを求める ll fac[MAX_N], finv[MAX_N], inv[MAX_N]; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX_N; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(ll n, ll k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } // 最大公約数 ll gcd(ll x, ll y) { return y ? gcd(y, x % y) : x; } ll lcm(ll x, ll y) { if (x == 0 || y == 0) return 0; return (x / gcd(x, y) * y); } ll dx[4] = {0, 0, -1, 1}; ll dy[4] = {-1, 1, 0, 0}; char notes[110][10]; ll tre[3030][3030]; ll dp[3030][3030][4]; // long longしか使わない // 素数は1より大きい // lower_boundは指定したkey以上の要素の一番左のイテレータをかえす // upper_boundは指定したkeyより大きい要素の一番左のイテレータをかえす int main() { ll r, c, n; cin >> r >> c >> n; rep(i, n) { ll x, y, v; cin >> x >> y >> v; x--; y--; tre[x][y] = v; } rep(i, r) { rep(j, c) { for (ll k = 2; k >= 0; --k) { chmax(dp[i][j][k + 1], dp[i][j][k] + tre[i][j]); } rep(k, 4) { chmax(dp[i + 1][j][0], dp[i][j][k]); chmax(dp[i][j + 1][k], dp[i][j][k]); } } } ll ans = 0; rep(i, 4) { chmax(ans, dp[r - 1][c - 1][i]); } cout << ans << endl; return 0; }
insert
82
82
82
83
-11
p02586
C++
Runtime Error
#include <bits/stdc++.h> typedef long long ll; using namespace std; ll MOD = 1000000007; #define vec vector<int> #define vecll vector<ll> #define vecd vector<double> #define vecst vector<string> #define vecb vector<bool> #define v2(v, n, m, init) vector<vector<int>> v(n, vector<int>(m, init)) #define vb2(v, n, m, init) vector<vector<bool>> v(n, vector<bool>(m, init)) #define vll2(v, n, m, init) vector<vector<ll>> v(n, vector<ll>(m, init)) #define rep(i, n) for (ll i = (ll)0; i < (ll)n; i++) #define REP(i, m, n) for (ll i = (ll)m; i < (ll)n; i++) #define arr(var, n) \ vec var(n); \ rep(i, n) { cin >> var[i]; } #define arrll(var, n) \ vecll var(n); \ rep(i, n) { cin >> var[i]; } #define arrst(var, n) \ vecst var(n); \ rep(i, n) { cin >> var[i]; } #define all(var) (var).begin(), (var).end() #define sortall(var) sort(all(var)) #define uniqueall(v) v.erase(unique(v.begin(), v.end()), v.end()); #define pb(var) push_back(var) #define prt(var) cout << (var) << "\n" #define prtd(n, var) cout << fixed << setprecision(n) << (var) << "\n" #define prtfill(n, var) cout << setw(n) << setfill('0') << (var); #define prt2(v1, v2) cout << (v1) << " " << (v2) << "\n" #define prt3(v1, v2, v3) cout << (v1) << " " << (v2) << " " << (v3) << "\n" #define prtall(v) \ rep(i, v.size()) { cout << v[i] << (i != v.size() - 1 ? " " : "\n"); } template <typename T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template <typename T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; } //---------------------------------------------------------------- int main(void) { ll dp[3010][3010][8]; int R, C, K; cin >> R >> C >> K; vll2(item, R + 1, C + 1, -1); rep(i, K) { int a, b; ll v; cin >> a >> b >> v; item[a][b] = v; } rep(i, 3010) { rep(j, 3010) { rep(k, 8) { dp[i][j][k] = 0; } } } REP(i, 1, R + 1) { REP(j, 1, C + 1) { ll tmp = 0; rep(k, 4) { chmax(tmp, dp[i - 1][j][k]); } chmax(dp[i][j][0], tmp); if (item[i][j] > 0) chmax(dp[i][j][1], tmp + item[i][j]); rep(k, 4) { chmax(dp[i][j][k], dp[i][j - 1][k]); if (k != 0 && item[i][j] > 0) { chmax(dp[i][j][k], dp[i][j - 1][k - 1] + item[i][j]); } } } } ll ans = 0; rep(i, 4) { chmax(ans, dp[R][C][i]); } prt(ans); }
#include <bits/stdc++.h> typedef long long ll; using namespace std; ll MOD = 1000000007; #define vec vector<int> #define vecll vector<ll> #define vecd vector<double> #define vecst vector<string> #define vecb vector<bool> #define v2(v, n, m, init) vector<vector<int>> v(n, vector<int>(m, init)) #define vb2(v, n, m, init) vector<vector<bool>> v(n, vector<bool>(m, init)) #define vll2(v, n, m, init) vector<vector<ll>> v(n, vector<ll>(m, init)) #define rep(i, n) for (ll i = (ll)0; i < (ll)n; i++) #define REP(i, m, n) for (ll i = (ll)m; i < (ll)n; i++) #define arr(var, n) \ vec var(n); \ rep(i, n) { cin >> var[i]; } #define arrll(var, n) \ vecll var(n); \ rep(i, n) { cin >> var[i]; } #define arrst(var, n) \ vecst var(n); \ rep(i, n) { cin >> var[i]; } #define all(var) (var).begin(), (var).end() #define sortall(var) sort(all(var)) #define uniqueall(v) v.erase(unique(v.begin(), v.end()), v.end()); #define pb(var) push_back(var) #define prt(var) cout << (var) << "\n" #define prtd(n, var) cout << fixed << setprecision(n) << (var) << "\n" #define prtfill(n, var) cout << setw(n) << setfill('0') << (var); #define prt2(v1, v2) cout << (v1) << " " << (v2) << "\n" #define prt3(v1, v2, v3) cout << (v1) << " " << (v2) << " " << (v3) << "\n" #define prtall(v) \ rep(i, v.size()) { cout << v[i] << (i != v.size() - 1 ? " " : "\n"); } template <typename T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template <typename T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; } //---------------------------------------------------------------- int main(void) { ll ***dp = new ll **[3010]; for (int i = 0; i < 3010; i++) { dp[i] = new ll *[3010]; for (int j = 0; j < 3010; j++) { dp[i][j] = new ll[8]; } } int R, C, K; cin >> R >> C >> K; vll2(item, R + 1, C + 1, -1); rep(i, K) { int a, b; ll v; cin >> a >> b >> v; item[a][b] = v; } rep(i, 3010) { rep(j, 3010) { rep(k, 8) { dp[i][j][k] = 0; } } } REP(i, 1, R + 1) { REP(j, 1, C + 1) { ll tmp = 0; rep(k, 4) { chmax(tmp, dp[i - 1][j][k]); } chmax(dp[i][j][0], tmp); if (item[i][j] > 0) chmax(dp[i][j][1], tmp + item[i][j]); rep(k, 4) { chmax(dp[i][j][k], dp[i][j - 1][k]); if (k != 0 && item[i][j] > 0) { chmax(dp[i][j][k], dp[i][j - 1][k - 1] + item[i][j]); } } } } ll ans = 0; rep(i, 4) { chmax(ans, dp[R][C][i]); } prt(ans); }
replace
53
54
53
61
-11
p02586
C++
Runtime Error
#include <algorithm> #include <cassert> #include <cmath> #include <cstdio> #include <cstring> #include <deque> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <unordered_map> #include <utility> #include <vector> #define IOS \ ios_base::sync_with_stdio(0); \ cin.tie(0) using namespace std; typedef long long LL; typedef pair<int, int> pii; typedef pair<LL, LL> pll; const int MAXN = 3456; int val[MAXN][MAXN]; LL dp[MAXN][MAXN][3]; int main() { int R, C, K; scanf("%d %d %d", &R, &C, &K); for (int i = 0; i < K; i++) { int r, c, v; scanf("%d %d %d", &r, &c, &v); val[r][c] = v; } for (int i = 1; i <= R; i++) { for (int j = 1; j <= C; j++) { for (int k = 0; k <= 3; k++) { if (k < 3) dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k] + val[i][j]); // not take dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); // not take dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); if (k) // take dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k - 1] + val[i][j]); // printf("i = %d j = %d k = %d dp = %lld\n", i, j, k, dp[i][j][k]); } } } LL ans = 0; for (int k = 0; k <= 3; k++) { if (k != 3) dp[R][C][k] += val[R][C]; ans = max(ans, dp[R][C][k]); } printf("%lld\n", ans); return 0; } /* stuff you should look for * int overflow, array bounds * special cases (n=1?) * do smth instead of nothing and stay organized * WRITE STUFF DOWN by Benq; */
#include <algorithm> #include <cassert> #include <cmath> #include <cstdio> #include <cstring> #include <deque> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <unordered_map> #include <utility> #include <vector> #define IOS \ ios_base::sync_with_stdio(0); \ cin.tie(0) using namespace std; typedef long long LL; typedef pair<int, int> pii; typedef pair<LL, LL> pll; const int MAXN = 3456; int val[MAXN][MAXN]; LL dp[MAXN][MAXN][4]; int main() { int R, C, K; scanf("%d %d %d", &R, &C, &K); for (int i = 0; i < K; i++) { int r, c, v; scanf("%d %d %d", &r, &c, &v); val[r][c] = v; } for (int i = 1; i <= R; i++) { for (int j = 1; j <= C; j++) { for (int k = 0; k <= 3; k++) { if (k < 3) dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k] + val[i][j]); // not take dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); // not take dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); if (k) // take dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k - 1] + val[i][j]); // printf("i = %d j = %d k = %d dp = %lld\n", i, j, k, dp[i][j][k]); } } } LL ans = 0; for (int k = 0; k <= 3; k++) { if (k != 3) dp[R][C][k] += val[R][C]; ans = max(ans, dp[R][C][k]); } printf("%lld\n", ans); return 0; } /* stuff you should look for * int overflow, array bounds * special cases (n=1?) * do smth instead of nothing and stay organized * WRITE STUFF DOWN by Benq; */
replace
25
26
25
26
-11
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define ll long long ll gcd(int x, int y) { return (x % y) ? gcd(y, x % y) : y; } // 最大公約数 ll lcm(ll x, ll y) { return x / gcd(x, y) * y; } // 最小公倍数 using Graph = vector<vector<int>>; ll inf = 300000000000000000; const double PI = 3.14159265358979323846; int main() { int r, c, k; cin >> r >> c >> k; ll o[r][c]; rep(i, r) rep(j, c) o[i][j] = 0; rep(i, k) { ll a, b, c; cin >> a >> b >> c; a--; b--; o[a][b] = c; } ll dp[r][c][4]; rep(i, r) rep(j, c) rep(l, 4) dp[i][j][l] = 0; dp[0][0][1] = o[0][0]; rep(i, r) { rep(j, c) { if (i + j == 0) continue; if (o[i][j] == 0) { rep(l, 4) { if (j != 0) { dp[i][j][l] = max(dp[i][j][l], dp[i][j - 1][l]); } if (i != 0) { dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][l]); } } } else { if (j != 0) { rep(l, 4) { dp[i][j][l] = max(dp[i][j][l], dp[i][j - 1][l]); if (l != 3) dp[i][j][l + 1] = max(dp[i][j][l + 1], o[i][j] + dp[i][j - 1][l]); } } if (i != 0) { rep(l, 4) { dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][l]); dp[i][j][1] = max(dp[i][j][1], o[i][j] + dp[i - 1][j][l]); } } } } } ll ans = 0; rep(i, 4) ans = max(ans, dp[r - 1][c - 1][i]); cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define ll long long ll gcd(int x, int y) { return (x % y) ? gcd(y, x % y) : y; } // 最大公約数 ll lcm(ll x, ll y) { return x / gcd(x, y) * y; } // 最小公倍数 using Graph = vector<vector<int>>; ll inf = 300000000000000000; const double PI = 3.14159265358979323846; int main() { int r, c, k; cin >> r >> c >> k; ll o[r][c]; rep(i, r) rep(j, c) o[i][j] = 0; rep(i, k) { ll a, b, c; cin >> a >> b >> c; a--; b--; o[a][b] = c; } vector<vector<vector<ll>>> dp(r, vector<vector<ll>>(c, vector<ll>(4))); rep(i, r) rep(j, c) rep(l, 4) dp[i][j][l] = 0; dp[0][0][1] = o[0][0]; rep(i, r) { rep(j, c) { if (i + j == 0) continue; if (o[i][j] == 0) { rep(l, 4) { if (j != 0) { dp[i][j][l] = max(dp[i][j][l], dp[i][j - 1][l]); } if (i != 0) { dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][l]); } } } else { if (j != 0) { rep(l, 4) { dp[i][j][l] = max(dp[i][j][l], dp[i][j - 1][l]); if (l != 3) dp[i][j][l + 1] = max(dp[i][j][l + 1], o[i][j] + dp[i][j - 1][l]); } } if (i != 0) { rep(l, 4) { dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][l]); dp[i][j][1] = max(dp[i][j][1], o[i][j] + dp[i - 1][j][l]); } } } } } ll ans = 0; rep(i, 4) ans = max(ans, dp[r - 1][c - 1][i]); cout << ans << endl; }
replace
21
22
21
22
0
p02586
C++
Runtime Error
#include <bits/stdc++.h> #define ll long long #define l long #define mk make_pair #define pb push_back #define in insert #define se second #define fi first #define mod 1000000007 #define watch(x) cout << (#x) << " is " << (x) << "\n" #define fast \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); #define pii pair<int, int> using namespace std; ll dp[3000][3000][4]; ll mat[3000][3000]; int main() { fast; ll n, m, k, j, i; cin >> n >> m >> k; while (k--) { ll r, c, v; cin >> r >> c >> v; mat[r][c] = v; } for (i = 1; i <= n; i++) { for (j = 1; j <= m; j++) { ll ha = max( {dp[i - 1][j][0], dp[i - 1][j][1], dp[i - 1][j][2], dp[i - 1][j][3]}); dp[i][j][0] = max({ha, dp[i][j - 1][0]}); dp[i][j][1] = max({ha + mat[i][j], dp[i][j - 1][0] + mat[i][j], dp[i][j - 1][1]}); dp[i][j][2] = max(dp[i][j - 1][1] + mat[i][j], dp[i][j - 1][2]); dp[i][j][3] = max(dp[i][j - 1][2] + mat[i][j], dp[i][j - 1][3]); } } cout << max({dp[n][m][0], dp[n][m][1], dp[n][m][2], dp[n][m][3]}); }
#include <bits/stdc++.h> #define ll long long #define l long #define mk make_pair #define pb push_back #define in insert #define se second #define fi first #define mod 1000000007 #define watch(x) cout << (#x) << " is " << (x) << "\n" #define fast \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); #define pii pair<int, int> using namespace std; ll dp[3003][3003][5]; ll mat[3003][3003]; int main() { fast; ll n, m, k, j, i; cin >> n >> m >> k; while (k--) { ll r, c, v; cin >> r >> c >> v; mat[r][c] = v; } for (i = 1; i <= n; i++) { for (j = 1; j <= m; j++) { ll ha = max( {dp[i - 1][j][0], dp[i - 1][j][1], dp[i - 1][j][2], dp[i - 1][j][3]}); dp[i][j][0] = max({ha, dp[i][j - 1][0]}); dp[i][j][1] = max({ha + mat[i][j], dp[i][j - 1][0] + mat[i][j], dp[i][j - 1][1]}); dp[i][j][2] = max(dp[i][j - 1][1] + mat[i][j], dp[i][j - 1][2]); dp[i][j][3] = max(dp[i][j - 1][2] + mat[i][j], dp[i][j - 1][3]); } } cout << max({dp[n][m][0], dp[n][m][1], dp[n][m][2], dp[n][m][3]}); }
replace
15
17
15
17
-11
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; ll g[3001][3001]{}; ll a[3001][3001][4]{}; int main() { int R, C, K; cin >> R >> C >> K; int r, c, v; for (int i = 0; i < K; i++) { cin >> r >> c >> v; g[r][c] = v; } for (int i = 0; i <= R; i++) { for (int j = 0; j <= C; j++) { for (int k = 0; k <= 3; k++) { a[i + 1][j][0] = max(a[i + 1][j][0], a[i][j][k]); a[i][j + 1][k] = max(a[i][j + 1][k], a[i][j][k]); if (k == 3) { a[i + 1][j][1] = max(a[i + 1][j][1], a[i][j][k] + g[i + 1][j]); } else { a[i + 1][j][1] = max(a[i + 1][j][1], a[i][j][k] + g[i + 1][j]); a[i][j + 1][k + 1] = max(a[i][j + 1][k + 1], a[i][j][k] + g[i][j + 1]); } } } } ll best = 0; for (int i = 0; i <= 3; i++) { best = max(best, a[R][C][i]); } cout << best << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; ll g[3002][3002]{}; ll a[3002][3002][4]{}; int main() { int R, C, K; cin >> R >> C >> K; int r, c, v; for (int i = 0; i < K; i++) { cin >> r >> c >> v; g[r][c] = v; } for (int i = 0; i <= R; i++) { for (int j = 0; j <= C; j++) { for (int k = 0; k <= 3; k++) { a[i + 1][j][0] = max(a[i + 1][j][0], a[i][j][k]); a[i][j + 1][k] = max(a[i][j + 1][k], a[i][j][k]); if (k == 3) { a[i + 1][j][1] = max(a[i + 1][j][1], a[i][j][k] + g[i + 1][j]); } else { a[i + 1][j][1] = max(a[i + 1][j][1], a[i][j][k] + g[i + 1][j]); a[i][j + 1][k + 1] = max(a[i][j + 1][k + 1], a[i][j][k] + g[i][j + 1]); } } } } ll best = 0; for (int i = 0; i <= 3; i++) { best = max(best, a[R][C][i]); } cout << best << "\n"; return 0; }
replace
4
6
4
6
-11
p02586
C++
Memory Limit Exceeded
#include <algorithm> #include <cmath> #include <ctime> #include <iostream> #include <map> #include <queue> #include <set> #include <tuple> #include <vector> using namespace std; const long long MOD = static_cast<long long>(1e9 + 7); const long long INFINITE = static_cast<long long>(1e16); const bool IS_DEBUG = true; #undef int int main() { ios_base::sync_with_stdio(false); cin.tie(0); int R, C, K; cin >> R >> C >> K; vector<vector<long long>> items(R, vector<long long>(C, 0)); for (int c = 0; c < K; c++) { long long int x, y, v; cin >> x >> y >> v; items[x - 1][y - 1] = v; } vector<vector<vector<long long>>> dp( R, vector<vector<long long>>(C, vector<long long>(10, 0))); long long res = 0; for (int x = 0; x < R; x++) { for (int y = 0; y < C; y++) { for (int c2 = 0; c2 < 4; c2++) { if (c2 > 0) dp[x][y][c2] = max(dp[x][y][c2 - 1], dp[x][y][c2]); if (x > 0) { dp[x][y][c2] = max(dp[x][y][c2], dp[x - 1][y][3]); if (c2 != 0) { dp[x][y][c2] = max(dp[x][y][c2], dp[x - 1][y][3] + items[x][y]); } } if (y > 0) { dp[x][y][c2] = max(dp[x][y][c2], dp[x][y - 1][c2]); if (c2 > 0) { dp[x][y][c2] = max(dp[x][y][c2], dp[x][y - 1][c2 - 1] + items[x][y]); } } if (x == 0 && y == 0 && c2 > 0) { dp[x][y][c2] = max(dp[x][y][c2], items[x][y]); } res = max(res, dp[x][y][c2]); // cout<<x<<" "<<y<<" "<<c2<<" "<<dp[x][y][c2]<<endl; } } } cout << res; }
#include <algorithm> #include <cmath> #include <ctime> #include <iostream> #include <map> #include <queue> #include <set> #include <tuple> #include <vector> using namespace std; const long long MOD = static_cast<long long>(1e9 + 7); const long long INFINITE = static_cast<long long>(1e16); const bool IS_DEBUG = true; #undef int int main() { ios_base::sync_with_stdio(false); cin.tie(0); int R, C, K; cin >> R >> C >> K; vector<vector<long long>> items(R, vector<long long>(C, 0)); for (int c = 0; c < K; c++) { long long int x, y, v; cin >> x >> y >> v; items[x - 1][y - 1] = v; } vector<vector<vector<long long>>> dp( R, vector<vector<long long>>(C, vector<long long>(4, 0))); long long res = 0; for (int x = 0; x < R; x++) { for (int y = 0; y < C; y++) { for (int c2 = 0; c2 < 4; c2++) { if (c2 > 0) dp[x][y][c2] = max(dp[x][y][c2 - 1], dp[x][y][c2]); if (x > 0) { dp[x][y][c2] = max(dp[x][y][c2], dp[x - 1][y][3]); if (c2 != 0) { dp[x][y][c2] = max(dp[x][y][c2], dp[x - 1][y][3] + items[x][y]); } } if (y > 0) { dp[x][y][c2] = max(dp[x][y][c2], dp[x][y - 1][c2]); if (c2 > 0) { dp[x][y][c2] = max(dp[x][y][c2], dp[x][y - 1][c2 - 1] + items[x][y]); } } if (x == 0 && y == 0 && c2 > 0) { dp[x][y][c2] = max(dp[x][y][c2], items[x][y]); } res = max(res, dp[x][y][c2]); // cout<<x<<" "<<y<<" "<<c2<<" "<<dp[x][y][c2]<<endl; } } } cout << res; }
replace
28
29
28
29
MLE
p02586
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)n; i++) #define rep1(i, n) for (int i = 1; i <= (int)n; i++) #define sp(n) cout << fixed << setprecision(n) template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } typedef long long ll; using namespace std; int main(void) { int R, C, k; cin >> R >> C >> k; vector<vector<ll>> t(R, vector<ll>(C, 0)); rep(i, k) { int r, c; ll v; cin >> r >> c >> v; r--; c--; t[r][c] = v; } ll dp[R][C][4]; rep(i, R) rep(j, C) rep(l, 4) dp[i][j][l] = 0; rep(i, R) rep(j, C) { if (i != R - 1) { rep(l, 4) chmax(dp[i + 1][j][0], dp[i][j][l]); rep(l, 3) chmax(dp[i + 1][j][0], dp[i][j][l] + t[i][j]); } if (j != C - 1) { rep(l, 4) chmax(dp[i][j + 1][l], dp[i][j][l]); rep(l, 3) chmax(dp[i][j + 1][l + 1], dp[i][j][l] + t[i][j]); } } rep(i, 3) chmax(dp[R - 1][C - 1][3 - i], dp[R - 1][C - 1][2 - i] + t[R - 1][C - 1]); ll res = 0; rep(i, 4) chmax(res, dp[R - 1][C - 1][i]); cout << res << endl; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)n; i++) #define rep1(i, n) for (int i = 1; i <= (int)n; i++) #define sp(n) cout << fixed << setprecision(n) template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } typedef long long ll; using namespace std; int main(void) { int R, C, k; cin >> R >> C >> k; vector<vector<ll>> t(R, vector<ll>(C, 0)); rep(i, k) { int r, c; ll v; cin >> r >> c >> v; r--; c--; t[r][c] = v; } vector<vector<vector<ll>>> dp(R, vector<vector<ll>>(C, vector<ll>(4, 0))); rep(i, R) rep(j, C) { if (i != R - 1) { rep(l, 4) chmax(dp[i + 1][j][0], dp[i][j][l]); rep(l, 3) chmax(dp[i + 1][j][0], dp[i][j][l] + t[i][j]); } if (j != C - 1) { rep(l, 4) chmax(dp[i][j + 1][l], dp[i][j][l]); rep(l, 3) chmax(dp[i][j + 1][l + 1], dp[i][j][l] + t[i][j]); } } rep(i, 3) chmax(dp[R - 1][C - 1][3 - i], dp[R - 1][C - 1][2 - i] + t[R - 1][C - 1]); ll res = 0; rep(i, 4) chmax(res, dp[R - 1][C - 1][i]); cout << res << endl; }
replace
32
34
32
33
0
p02586
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } #define all(x) (x).begin(), (x).end() #pragma GCC optimize("Ofast") using namespace std; typedef long long int ll; typedef long double ld; const ll INF = (1LL << 62); const ld pi = acosl((ld)-1); const ll mod = 1000000007; // const ll mod = 1234567; const int dx[4] = {0, 1, 0, -1}; const int dy[4] = {1, 0, -1, 0}; const int ddx[8] = {1, 0, -1, -1, -1, 0, 1, 1}; const int ddy[8] = {1, 1, 1, 0, -1, -1, -1, 0}; #define endn "\n" #define TO_STRING(VariableName) #VariableName template <typename T> ostream &operator<<(ostream &out, const vector<T> &v) { rep(i, (int)v.size() - 1) cout << v[i] << " "; cout << v[(int)v.size() - 1]; return out; } template <typename T1, typename T2> ostream &operator<<(ostream &out, const map<T1, T2> &p) { out << "(" << p.first << ", " << p.second << ")"; return out; } template <typename T1, typename T2> ostream &operator<<(ostream &out, const pair<T1, T2> &p) { out << "(" << p.first << ", " << p.second << ")"; return out; } template <class T> void debag(const T &obj) { cout << obj << endl; } bool solve() { ll r, c, k; cin >> r >> c >> k; swap(r, c); vector<vector<ll>> items(r, vector<ll>(c, 0)); rep(i, k) { ll a, b, v; cin >> a >> b >> v; swap(a, b); a--; b--; items[a][b] = v; } ll dp[r + 1][c + 1][5]; rep(i, r) rep(j, c) rep(k, 5) dp[i][j][k] = 0; rep(j, c) rep(i, r) rep(k, 4) { // use if (i + 1 < r and k < 3) chmax(dp[i + 1][j][k + 1], dp[i][j][k] + items[i][j]); if (j + 1 < c and k < 3) chmax(dp[i][j + 1][0], dp[i][j][k] + items[i][j]); // notuse if (i + 1 < r) chmax(dp[i + 1][j][k], dp[i][j][k]); if (j + 1 < c) chmax(dp[i][j + 1][0], dp[i][j][k]); } // rep(i,r)rep(j,c)cout<<i<<" "<<j<<" "<<dp[i][j][0]<<endl; ll ans = 0; rep(k, 3) chmax(ans, dp[r - 1][c - 1][k] + items[r - 1][c - 1]); chmax(ans, dp[r - 1][c - 1][3]); cout << ans << endl; return false; } signed main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(30); solve(); }
#include <bits/stdc++.h> #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } #define all(x) (x).begin(), (x).end() #pragma GCC optimize("Ofast") using namespace std; typedef long long int ll; typedef long double ld; const ll INF = (1LL << 62); const ld pi = acosl((ld)-1); const ll mod = 1000000007; // const ll mod = 1234567; const int dx[4] = {0, 1, 0, -1}; const int dy[4] = {1, 0, -1, 0}; const int ddx[8] = {1, 0, -1, -1, -1, 0, 1, 1}; const int ddy[8] = {1, 1, 1, 0, -1, -1, -1, 0}; #define endn "\n" #define TO_STRING(VariableName) #VariableName template <typename T> ostream &operator<<(ostream &out, const vector<T> &v) { rep(i, (int)v.size() - 1) cout << v[i] << " "; cout << v[(int)v.size() - 1]; return out; } template <typename T1, typename T2> ostream &operator<<(ostream &out, const map<T1, T2> &p) { out << "(" << p.first << ", " << p.second << ")"; return out; } template <typename T1, typename T2> ostream &operator<<(ostream &out, const pair<T1, T2> &p) { out << "(" << p.first << ", " << p.second << ")"; return out; } template <class T> void debag(const T &obj) { cout << obj << endl; } bool solve() { ll r, c, k; cin >> r >> c >> k; swap(r, c); vector<vector<ll>> items(r, vector<ll>(c, 0)); rep(i, k) { ll a, b, v; cin >> a >> b >> v; swap(a, b); a--; b--; items[a][b] = v; } vector<vector<vector<ll>>> dp(r + 1, vector<vector<ll>>(c + 1, vector<ll>(5, 0))); rep(i, r) rep(j, c) rep(k, 5) dp[i][j][k] = 0; rep(j, c) rep(i, r) rep(k, 4) { // use if (i + 1 < r and k < 3) chmax(dp[i + 1][j][k + 1], dp[i][j][k] + items[i][j]); if (j + 1 < c and k < 3) chmax(dp[i][j + 1][0], dp[i][j][k] + items[i][j]); // notuse if (i + 1 < r) chmax(dp[i + 1][j][k], dp[i][j][k]); if (j + 1 < c) chmax(dp[i][j + 1][0], dp[i][j][k]); } // rep(i,r)rep(j,c)cout<<i<<" "<<j<<" "<<dp[i][j][0]<<endl; ll ans = 0; rep(k, 3) chmax(ans, dp[r - 1][c - 1][k] + items[r - 1][c - 1]); chmax(ans, dp[r - 1][c - 1][3]); cout << ans << endl; return false; } signed main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(30); solve(); }
replace
63
64
63
65
0
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; /* * JUST KEEP GOING */ #define endl '\n' #define ll long long #define all(v) ((v).begin()), ((v).end()) #define allr(v) ((v).rbegin()), ((v).rend()) #define sz(v) ((int)((v).size())) #define clr(v, d) memset(v, d, sizeof(v)) #define rep(i, v) for (int i = 0; i < sz(v); ++i) #define For(i, s) for (auto i : s) #define Forr(i, s) for (auto &i : s) #define lp(i, n) for (int i = 0; i < (int)(n); ++i) #define lpi(i, j, n) for (int i = (j); i < (int)(n); ++i) #define lpd(i, j, n) for (int i = (j); i >= (int)(n); --i) #define vi vector<int> #define vl vector<ll> #define ii pair<int, int> #define vii vector<ii> #define vll vector<pair<ll, ll>> #define PI double PPPPPP = 3.14159265358979323846; #define bit(mask, i) ((mask >> i) & 1) void run() { ios_base::sync_with_stdio(false); cin.tie(nullptr), cout.tie(nullptr); } const int N = 3000 + 5, mod = 1e9 + 7; int r, c, k; ll dp[N][N][5], arr[N][N]; ll solve(int i, int j, int cnt) { if (i >= r || j >= c) { return -1e17; } if (i == r - 1 && j == c - 1) { return (cnt < 3 ? arr[i][j] : 0); } ll &ret = dp[i][j][cnt]; if (~ret) return ret; ret = 0; if (cnt < 3) { ret = max(ret, solve(i, j + 1, cnt + 1) + arr[i][j]); ret = max(ret, solve(i + 1, j, 0) + arr[i][j]); } ret = max(ret, solve(i + 1, j, 0)); ret = max(ret, solve(i, j + 1, cnt)); } int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif run(); cin >> r >> c >> k; for (int i = 0; i < k; ++i) { int a, b, v; cin >> a >> b >> v; arr[a - 1][b - 1] = v; } clr(dp, -1); cout << solve(0, 0, 0) << endl; }
#include <bits/stdc++.h> using namespace std; /* * JUST KEEP GOING */ #define endl '\n' #define ll long long #define all(v) ((v).begin()), ((v).end()) #define allr(v) ((v).rbegin()), ((v).rend()) #define sz(v) ((int)((v).size())) #define clr(v, d) memset(v, d, sizeof(v)) #define rep(i, v) for (int i = 0; i < sz(v); ++i) #define For(i, s) for (auto i : s) #define Forr(i, s) for (auto &i : s) #define lp(i, n) for (int i = 0; i < (int)(n); ++i) #define lpi(i, j, n) for (int i = (j); i < (int)(n); ++i) #define lpd(i, j, n) for (int i = (j); i >= (int)(n); --i) #define vi vector<int> #define vl vector<ll> #define ii pair<int, int> #define vii vector<ii> #define vll vector<pair<ll, ll>> #define PI double PPPPPP = 3.14159265358979323846; #define bit(mask, i) ((mask >> i) & 1) void run() { ios_base::sync_with_stdio(false); cin.tie(nullptr), cout.tie(nullptr); } const int N = 3000 + 5, mod = 1e9 + 7; int r, c, k; ll dp[N][N][5], arr[N][N]; ll solve(int i, int j, int cnt) { if (i >= r || j >= c) { return -1e17; } if (i == r - 1 && j == c - 1) { return (cnt < 3 ? arr[i][j] : 0); } ll &ret = dp[i][j][cnt]; if (~ret) return ret; ret = 0; if (cnt < 3) { ret = max(ret, solve(i, j + 1, cnt + 1) + arr[i][j]); ret = max(ret, solve(i + 1, j, 0) + arr[i][j]); } ret = max(ret, solve(i + 1, j, 0)); ret = max(ret, solve(i, j + 1, cnt)); return ret; } int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif run(); cin >> r >> c >> k; for (int i = 0; i < k; ++i) { int a, b, v; cin >> a >> b >> v; arr[a - 1][b - 1] = v; } clr(dp, -1); cout << solve(0, 0, 0) << endl; }
insert
50
50
50
51
-11
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define int long long signed main() { // cout << fixed << setprecision(10) << flush; int R, C, K; cin >> R >> C >> K; vector<vector<int>> dist(R + 1, vector<int>(C + 1, 0)); for (int i = 0; i < K; i++) { int r, c, v; cin >> r >> c >> v; dist[r][c] = v; } // dp[i][j][k][l] は i で k 個、j で l 個 アイテムを拾った時のmax int dp[R + 1][C + 1][4]; for (int i = 0; i <= R; i++) { for (int j = 0; j <= C; j++) { for (int k = 0; k < 4; k++) { dp[i][j][k] = 0; } } } // 範囲チェック for (int i = 1; i <= R; i++) { for (int j = 1; j <= C; j++) { for (int k = 0; k < 4; k++) { dp[i][j][k] = max(dp[i][j][k], dp[i][j - 1][k]); dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][k]); dp[i][j][1] = max(dp[i][j][1], dp[i - 1][j][k] + dist[i][j]); if (k != 0 && dist[i][j] != 0) { dp[i][j][k] = max(dp[i][j - 1][k - 1] + dist[i][j], dp[i][j][k]); } } } } int ans = 0; for (int k = 0; k < 4; k++) { ans = max(ans, dp[R][C][k]); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long signed main() { // cout << fixed << setprecision(10) << flush; int R, C, K; cin >> R >> C >> K; vector<vector<int>> dist(R + 1, vector<int>(C + 1, 0)); for (int i = 0; i < K; i++) { int r, c, v; cin >> r >> c >> v; dist[r][c] = v; } // dp[i][j][k] は i で k 個アイテムを拾った時のmax vector<vector<vector<int>>> dp(R + 1, vector<vector<int>>(C + 1, vector<int>(4, 0))); // for(int i=0; i<=R; i++){ // for(int j=0; j<=C; j++){ // for(int k=0; k<4; k++){ // dp[i][j][k] = 0; // } // } // } // 範囲チェック for (int i = 1; i <= R; i++) { for (int j = 1; j <= C; j++) { for (int k = 0; k < 4; k++) { dp[i][j][k] = max(dp[i][j][k], dp[i][j - 1][k]); dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][k]); dp[i][j][1] = max(dp[i][j][1], dp[i - 1][j][k] + dist[i][j]); if (k != 0 && dist[i][j] != 0) { dp[i][j][k] = max(dp[i][j - 1][k - 1] + dist[i][j], dp[i][j][k]); } } } } int ans = 0; for (int k = 0; k < 4; k++) { ans = max(ans, dp[R][C][k]); } cout << ans << endl; return 0; }
replace
16
25
16
26
0
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define FOR(i, a, b) for (int i = (a); i < (b); i++) #define RFOR(i, a, b) for (int i = (b)-1; i >= (a); i--) #define REP(i, n) for (int i = 0; i < (n); i++) #define RREP(i, n) for (int i = (n)-1; i >= 0; i--) #define EACH(i, a, b) for (int i = (a); i <= (b); i++) #define REACH(i, a, b) for (int i = (b); i >= (a); i--) #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define YES() printf("YES\n") #define NO() printf("NO\n") #define Yes() printf("Yes\n") #define No() printf("No\n") #define in(a, x, b) ((a) <= (x) && (x) < (b)) const int MOD = 1e9 + 7; const int INF = 1 << 29; const double EPS = 1e-10; using ll = long long; using P = pair<int, int>; template <class T = int> using V = vector<T>; template <class T> bool inline chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> bool inline chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <class T = int> T inline input() { T x; cin >> x; return (x); } template <class T> void inline print(T &x) { cout << x << '\n'; } #define debug(x) cerr << #x << ": " << x << endl; const int dxs[] = {1, 0, -1, 0, 1, 1, -1, -1}; const int dys[] = {0, -1, 0, 1, 1, -1, -1, 1}; ll dp[3001][3001][4]; int RC[3001][3001]; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int R, C, K; cin >> R >> C >> K; REP(i, K) { int r, c, v; cin >> r >> c >> v; RC[r][c] = v; } dp[1][1][1] = dp[1][1][2] = dp[1][1][3] = RC[1][1]; EACH(i, 1, R) { EACH(j, 1, C) { REP(k, 4) { chmax<ll>(dp[i + 1][j][0], dp[i][j][k]); chmax<ll>(dp[i + 1][j][1], dp[i][j][k] + RC[i + 1][j]); } chmax<ll>(dp[i][j + 1][0], dp[i][j][0]); chmax<ll>(dp[i][j + 1][1], max(dp[i][j][1], dp[i][j][0] + RC[i][j + 1])); chmax<ll>(dp[i][j + 1][2], max(dp[i][j][2], dp[i][j][1] + RC[i][j + 1])); chmax<ll>(dp[i][j + 1][3], max(dp[i][j][3], dp[i][j][2] + RC[i][j + 1])); } } ll ans = 0; REP(k, 4) chmax(ans, dp[R][C][k]); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define FOR(i, a, b) for (int i = (a); i < (b); i++) #define RFOR(i, a, b) for (int i = (b)-1; i >= (a); i--) #define REP(i, n) for (int i = 0; i < (n); i++) #define RREP(i, n) for (int i = (n)-1; i >= 0; i--) #define EACH(i, a, b) for (int i = (a); i <= (b); i++) #define REACH(i, a, b) for (int i = (b); i >= (a); i--) #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define YES() printf("YES\n") #define NO() printf("NO\n") #define Yes() printf("Yes\n") #define No() printf("No\n") #define in(a, x, b) ((a) <= (x) && (x) < (b)) const int MOD = 1e9 + 7; const int INF = 1 << 29; const double EPS = 1e-10; using ll = long long; using P = pair<int, int>; template <class T = int> using V = vector<T>; template <class T> bool inline chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> bool inline chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <class T = int> T inline input() { T x; cin >> x; return (x); } template <class T> void inline print(T &x) { cout << x << '\n'; } #define debug(x) cerr << #x << ": " << x << endl; const int dxs[] = {1, 0, -1, 0, 1, 1, -1, -1}; const int dys[] = {0, -1, 0, 1, 1, -1, -1, 1}; ll dp[3010][3010][4]; int RC[3001][3001]; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int R, C, K; cin >> R >> C >> K; REP(i, K) { int r, c, v; cin >> r >> c >> v; RC[r][c] = v; } dp[1][1][1] = dp[1][1][2] = dp[1][1][3] = RC[1][1]; EACH(i, 1, R) { EACH(j, 1, C) { REP(k, 4) { chmax<ll>(dp[i + 1][j][0], dp[i][j][k]); chmax<ll>(dp[i + 1][j][1], dp[i][j][k] + RC[i + 1][j]); } chmax<ll>(dp[i][j + 1][0], dp[i][j][0]); chmax<ll>(dp[i][j + 1][1], max(dp[i][j][1], dp[i][j][0] + RC[i][j + 1])); chmax<ll>(dp[i][j + 1][2], max(dp[i][j][2], dp[i][j][1] + RC[i][j + 1])); chmax<ll>(dp[i][j + 1][3], max(dp[i][j][3], dp[i][j][2] + RC[i][j + 1])); } } ll ans = 0; REP(k, 4) chmax(ans, dp[R][C][k]); cout << ans << endl; return 0; }
replace
50
51
50
51
-11
p02586
C++
Runtime Error
#include <bits/stdc++.h> // ver2.7.1 #define int long long #define endl "\n" // fflush(stdout); #define ALL(v) (v).begin(), (v).end() #define Vi vector<int> #define VVi vector<Vi> #define VVVi vector<VVi> #define Vm vector<mint> #define Vs vector<string> #define Vd vector<double> #define Vc vector<char> #define Pii pair<int, int> #define Pdd pair<double, double> #define VPii vector<Pii> #define Tiii tuple<int, int, int> #define VTiii vector<Tiii> #define PQi priority_queue<int> #define PQir priority_queue<int, vector<int>, greater<int>> #define pb push_back #define mp make_pair #define mt make_tuple #define itos to_string #define stoi stoll #define FI first #define SE second #define cYES cout << "YES" << endl #define cNO cout << "NO" << endl #define cYes cout << "Yes" << endl #define cNo cout << "No" << endl #define cyes cout << "yes" << endl #define cno cout << "no" << endl #define sortr(v) sort(v, greater<>()) #define rep(i, a, b) for (int i = a; i < b; i++) #define repeq(i, a, b) for (int i = a; i <= b; i++) #define repreq(i, a, b) for (int i = a; i >= b; i--) #define dem(a, b) ((a + b - 1) / (b)) #define INF 3000000000000000000 // 3.0*10^18 #define MAX LLONG_MAX #define PI acos(-1.0L) // int MOD = 998244353; // case const int MOD = 1000000007; // 10^9 + 7 const double EPS = 1e-10; using namespace std; struct mint { int x; mint(int x = 0) : x((x % MOD + MOD) % MOD) {} mint operator-() const { return mint(-x); } mint &operator+=(const mint a) { if ((x += a.x) >= MOD) x -= MOD; return *this; } mint &operator-=(const mint a) { if ((x += MOD - a.x) >= MOD) x -= MOD; return *this; } mint &operator*=(const mint a) { (x *= a.x) %= MOD; return *this; } mint operator+(const mint a) const { return mint(*this) += a; } mint operator-(const mint a) const { return mint(*this) -= a; } mint operator*(const mint a) const { return mint(*this) *= a; } mint pow(int t) const { if (!t) return 1; mint a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } mint inv() const { return pow(MOD - 2); } mint &operator/=(const mint a) { return *this *= a.inv(); } mint operator/(const mint a) const { return mint(*this) /= a; } }; istream &operator>>(istream &is, const mint &a) { return is >> a.x; } ostream &operator<<(ostream &os, const mint &a) { return os << a.x; } /* debug */ template <typename T> // vector ostream &operator<<(ostream &os, const vector<T> &V) { int N = V.size(); if (N == 0) { os << '.'; return os; } rep(i, 0, N - 1) { os << V[i] << ' '; } os << V[N - 1]; return os; } template <typename T> // vector vector ostream &operator<<(ostream &os, const vector<vector<T>> &V) { int N = V.size(); rep(i, 0, N - 1) cout << V[i] << endl; cout << V[N - 1]; return os; } template <typename T, typename S> // pair ostream &operator<<(ostream &os, pair<T, S> const &P) { os << P.FI << ' ' << P.SE; return os; } template <typename T> // set ostream &operator<<(ostream &os, set<T> &S) { auto it = S.begin(); while (it != S.end()) { os << *it; if (next(it, 1) != S.end()) os << ' '; it++; }; return os; } template <typename T> // deque ostream &operator<<(ostream &os, deque<T> &q) { for (auto it = q.begin(); it < q.end(); it++) { os << *it; if (it + 1 != q.end()) os << " "; } return os; } /* useful */ template <typename T> void Vin(vector<T> &v) { int n = v.size(); rep(i, 0, n) cin >> v[i]; } int gcd(int a, int b) { return b ? gcd(b, a % b) : a; } int lcm(int a, int b) { return a / gcd(a, b) * b; } int mypow(int x, int n, int m) { if (n == 0) return 1; if (n % 2 == 0) return mypow(x * x % m, n / 2, m); else return x * mypow(x, n - 1, m) % m; } int scomb(int n, int r) { if (r < 0 || r > n) return 0; if ((n - r) < r) r = n - r; // nCr int a = 1; for (int i = n; i > n - r; --i) { a = a * i; } for (int i = 1; i < r + 1; ++i) { a = a / i; } return a; } Vi vis(Vi &v) { Vi S(v.size() + 1); rep(i, 1, S.size()) S[i] += v[i - 1] + S[i - 1]; return S; } int digitsum(int n) { int ret = 0; while (n > 0) { ret += n % 10; n /= 10; } return ret; } int digit(int k, int i) { string s = itos(k); return s[s.size() - i] - '0'; } // i桁目の数字 template <typename T> void press(T &v) { v.erase(unique(ALL(v)), v.end()); } // 圧縮 Vi zip(Vi b) { int Z = b.size(); // 座標圧縮 Pii p[Z + 10]; int a = b.size(); Vi l(a); for (int i = 0; i < a; i++) p[i] = mp(b[i], i); sort(p, p + a); int w = 0; for (int i = 0; i < a; i++) { if (i && p[i].first != p[i - 1].first) w++; l[p[i].second] = w; } return l; } Vi nibe2V() { Vi a(60); int q = 1; rep(i, 0, 60) { a[i] = q; q *= 2; } return a; } // Vi nibe = nibe2V(); // 2^n int modiv(int a, int b) { return a * mypow(b, MOD - 2, MOD) % MOD; } // a÷b(%MOD) int SMALLER(Vi &a, int x) { return lower_bound(a.begin(), a.end(), x) - a.begin(); } int orSMALLER(Vi &a, int x) { return upper_bound(a.begin(), a.end(), x) - a.begin(); } int BIGGER(Vi &a, int x) { return a.size() - orSMALLER(a, x); } int orBIGGER(Vi &a, int x) { return a.size() - SMALLER(a, x); } int COUNT(Vi &a, int x) { return upper_bound(ALL(a), x) - lower_bound(ALL(a), x); } int maxind(Vi &a) { return max_element(ALL(a)) - a.begin(); } int minind(Vi &a) { return min_element(ALL(a)) - a.begin(); } Vi stpowV() { Vi a(1000005); a[0] = 1; repeq(i, 1, 1000004) a[i] = a[i - 1] * i % MOD; return a; } // Vi stpow = stpowV(); // 階乗配列(%MOD) /****************************** START ******************************/ signed main() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(12); int h, w, K; cin >> h >> w >> K; VVi mapp(h + 1, Vi(w + 1)); rep(i, 0, K) { int qw, er, ty; cin >> qw >> er >> ty; qw--, er--; mapp[qw][er] = ty; } int dp[3006][3006][4]; rep(i, 0, h) { rep(j, 0, w) { repreq(k, 3, 1) { dp[i][j][k] = max(dp[i][j][k], dp[i][j][k - 1] + mapp[i][j]); } int maxx = 0; rep(k, 0, 4) { dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); maxx = max(dp[i][j][k], maxx); } dp[i + 1][j][0] = maxx; } } int ans = 0; rep(i, 0, 3005) rep(j, 0, 3005) rep(k, 0, 4) { ans = max(ans, dp[i][j][k]); } cout << ans << endl; // cout << nibe << endl; return 0; }
#include <bits/stdc++.h> // ver2.7.1 #define int long long #define endl "\n" // fflush(stdout); #define ALL(v) (v).begin(), (v).end() #define Vi vector<int> #define VVi vector<Vi> #define VVVi vector<VVi> #define Vm vector<mint> #define Vs vector<string> #define Vd vector<double> #define Vc vector<char> #define Pii pair<int, int> #define Pdd pair<double, double> #define VPii vector<Pii> #define Tiii tuple<int, int, int> #define VTiii vector<Tiii> #define PQi priority_queue<int> #define PQir priority_queue<int, vector<int>, greater<int>> #define pb push_back #define mp make_pair #define mt make_tuple #define itos to_string #define stoi stoll #define FI first #define SE second #define cYES cout << "YES" << endl #define cNO cout << "NO" << endl #define cYes cout << "Yes" << endl #define cNo cout << "No" << endl #define cyes cout << "yes" << endl #define cno cout << "no" << endl #define sortr(v) sort(v, greater<>()) #define rep(i, a, b) for (int i = a; i < b; i++) #define repeq(i, a, b) for (int i = a; i <= b; i++) #define repreq(i, a, b) for (int i = a; i >= b; i--) #define dem(a, b) ((a + b - 1) / (b)) #define INF 3000000000000000000 // 3.0*10^18 #define MAX LLONG_MAX #define PI acos(-1.0L) // int MOD = 998244353; // case const int MOD = 1000000007; // 10^9 + 7 const double EPS = 1e-10; using namespace std; struct mint { int x; mint(int x = 0) : x((x % MOD + MOD) % MOD) {} mint operator-() const { return mint(-x); } mint &operator+=(const mint a) { if ((x += a.x) >= MOD) x -= MOD; return *this; } mint &operator-=(const mint a) { if ((x += MOD - a.x) >= MOD) x -= MOD; return *this; } mint &operator*=(const mint a) { (x *= a.x) %= MOD; return *this; } mint operator+(const mint a) const { return mint(*this) += a; } mint operator-(const mint a) const { return mint(*this) -= a; } mint operator*(const mint a) const { return mint(*this) *= a; } mint pow(int t) const { if (!t) return 1; mint a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } mint inv() const { return pow(MOD - 2); } mint &operator/=(const mint a) { return *this *= a.inv(); } mint operator/(const mint a) const { return mint(*this) /= a; } }; istream &operator>>(istream &is, const mint &a) { return is >> a.x; } ostream &operator<<(ostream &os, const mint &a) { return os << a.x; } /* debug */ template <typename T> // vector ostream &operator<<(ostream &os, const vector<T> &V) { int N = V.size(); if (N == 0) { os << '.'; return os; } rep(i, 0, N - 1) { os << V[i] << ' '; } os << V[N - 1]; return os; } template <typename T> // vector vector ostream &operator<<(ostream &os, const vector<vector<T>> &V) { int N = V.size(); rep(i, 0, N - 1) cout << V[i] << endl; cout << V[N - 1]; return os; } template <typename T, typename S> // pair ostream &operator<<(ostream &os, pair<T, S> const &P) { os << P.FI << ' ' << P.SE; return os; } template <typename T> // set ostream &operator<<(ostream &os, set<T> &S) { auto it = S.begin(); while (it != S.end()) { os << *it; if (next(it, 1) != S.end()) os << ' '; it++; }; return os; } template <typename T> // deque ostream &operator<<(ostream &os, deque<T> &q) { for (auto it = q.begin(); it < q.end(); it++) { os << *it; if (it + 1 != q.end()) os << " "; } return os; } /* useful */ template <typename T> void Vin(vector<T> &v) { int n = v.size(); rep(i, 0, n) cin >> v[i]; } int gcd(int a, int b) { return b ? gcd(b, a % b) : a; } int lcm(int a, int b) { return a / gcd(a, b) * b; } int mypow(int x, int n, int m) { if (n == 0) return 1; if (n % 2 == 0) return mypow(x * x % m, n / 2, m); else return x * mypow(x, n - 1, m) % m; } int scomb(int n, int r) { if (r < 0 || r > n) return 0; if ((n - r) < r) r = n - r; // nCr int a = 1; for (int i = n; i > n - r; --i) { a = a * i; } for (int i = 1; i < r + 1; ++i) { a = a / i; } return a; } Vi vis(Vi &v) { Vi S(v.size() + 1); rep(i, 1, S.size()) S[i] += v[i - 1] + S[i - 1]; return S; } int digitsum(int n) { int ret = 0; while (n > 0) { ret += n % 10; n /= 10; } return ret; } int digit(int k, int i) { string s = itos(k); return s[s.size() - i] - '0'; } // i桁目の数字 template <typename T> void press(T &v) { v.erase(unique(ALL(v)), v.end()); } // 圧縮 Vi zip(Vi b) { int Z = b.size(); // 座標圧縮 Pii p[Z + 10]; int a = b.size(); Vi l(a); for (int i = 0; i < a; i++) p[i] = mp(b[i], i); sort(p, p + a); int w = 0; for (int i = 0; i < a; i++) { if (i && p[i].first != p[i - 1].first) w++; l[p[i].second] = w; } return l; } Vi nibe2V() { Vi a(60); int q = 1; rep(i, 0, 60) { a[i] = q; q *= 2; } return a; } // Vi nibe = nibe2V(); // 2^n int modiv(int a, int b) { return a * mypow(b, MOD - 2, MOD) % MOD; } // a÷b(%MOD) int SMALLER(Vi &a, int x) { return lower_bound(a.begin(), a.end(), x) - a.begin(); } int orSMALLER(Vi &a, int x) { return upper_bound(a.begin(), a.end(), x) - a.begin(); } int BIGGER(Vi &a, int x) { return a.size() - orSMALLER(a, x); } int orBIGGER(Vi &a, int x) { return a.size() - SMALLER(a, x); } int COUNT(Vi &a, int x) { return upper_bound(ALL(a), x) - lower_bound(ALL(a), x); } int maxind(Vi &a) { return max_element(ALL(a)) - a.begin(); } int minind(Vi &a) { return min_element(ALL(a)) - a.begin(); } Vi stpowV() { Vi a(1000005); a[0] = 1; repeq(i, 1, 1000004) a[i] = a[i - 1] * i % MOD; return a; } // Vi stpow = stpowV(); // 階乗配列(%MOD) /****************************** START ******************************/ signed main() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(12); int h, w, K; cin >> h >> w >> K; VVi mapp(h + 1, Vi(w + 1)); rep(i, 0, K) { int qw, er, ty; cin >> qw >> er >> ty; qw--, er--; mapp[qw][er] = ty; } // int dp[3006][3006][4]; VVVi dp(3010, VVi(3010, Vi(4))); rep(i, 0, h) { rep(j, 0, w) { repreq(k, 3, 1) { dp[i][j][k] = max(dp[i][j][k], dp[i][j][k - 1] + mapp[i][j]); } int maxx = 0; rep(k, 0, 4) { dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); maxx = max(dp[i][j][k], maxx); } dp[i + 1][j][0] = maxx; } } int ans = 0; rep(i, 0, 3005) rep(j, 0, 3005) rep(k, 0, 4) { ans = max(ans, dp[i][j][k]); } cout << ans << endl; // cout << nibe << endl; return 0; }
replace
243
244
243
245
-11
p02587
C++
Time Limit Exceeded
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <stdio.h> #include <string> #include <time.h> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> #define all(a) a.begin(), a.end() #define rep(i, n) for (ll i = 0; i < (n); i++) #define pb push_back #define debug(x) cerr << #x << ':' << (x) << '\n' #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<ll, ll> P; typedef complex<ld> com; constexpr int inf = 1000000010; constexpr ll INF = 1000000000000000010; constexpr ld eps = 1e-12; constexpr ld pi = 3.141592653589793238; template <class T, class U> inline bool chmax(T &a, const U &b) { if (a < b) { a = b; return true; } return false; } template <class T, class U> inline bool chmin(T &a, const U &b) { if (a > b) { a = b; return true; } return false; } typedef pair<ll, pair<string, int>> S; int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); int n; cin >> n; vector<string> s(n); vector<ll> c(n); vector<string> revs(n); rep(i, n) cin >> s[i] >> c[i]; map<string, ll> mp; priority_queue<S, vector<S>, greater<S>> que; que.push({0, {"", 0}}); que.push({0, {"", 1}}); int f = 0; while (!que.empty()) { S p = que.top(); que.pop(); ll cost = p.first; string now = p.second.first; int mode = p.second.second; int len = now.size(); if (cost != 0) { bool ok = true; rep(i, len) if (now[i] != now[len - 1 - i]) ok = false; if (ok) { cout << cost << '\n'; return 0; } } f++; if (f > 1000000) break; if (cost > mp[now]) continue; rep(i, n) { int sz = s[i].size(); string tmp = s[i]; if (mode == 0) reverse(all(tmp)); if (now.size() >= sz && now.substr(0, sz) == tmp) { string rem = now.substr(sz); mp[rem] = cost + c[i]; que.push({cost + c[i], {rem, mode}}); } if (tmp.substr(0, len) == now) { string rem = tmp.substr(len); mp[rem] = cost + c[i]; que.push({cost + c[i], {rem, mode ^ 1}}); } reverse(all(tmp)); if (now.size() + s[i].size() <= 20) { string m = now + tmp; mp[m] = cost + c[i]; que.push({cost + c[i], {m, mode}}); } } } cout << "-1\n"; }
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <stdio.h> #include <string> #include <time.h> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> #define all(a) a.begin(), a.end() #define rep(i, n) for (ll i = 0; i < (n); i++) #define pb push_back #define debug(x) cerr << #x << ':' << (x) << '\n' #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<ll, ll> P; typedef complex<ld> com; constexpr int inf = 1000000010; constexpr ll INF = 1000000000000000010; constexpr ld eps = 1e-12; constexpr ld pi = 3.141592653589793238; template <class T, class U> inline bool chmax(T &a, const U &b) { if (a < b) { a = b; return true; } return false; } template <class T, class U> inline bool chmin(T &a, const U &b) { if (a > b) { a = b; return true; } return false; } typedef pair<ll, pair<string, int>> S; int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); int n; cin >> n; vector<string> s(n); vector<ll> c(n); vector<string> revs(n); rep(i, n) cin >> s[i] >> c[i]; map<string, ll> mp; priority_queue<S, vector<S>, greater<S>> que; que.push({0, {"", 0}}); que.push({0, {"", 1}}); int f = 0; while (!que.empty()) { S p = que.top(); que.pop(); ll cost = p.first; string now = p.second.first; int mode = p.second.second; int len = now.size(); if (cost != 0) { bool ok = true; rep(i, len) if (now[i] != now[len - 1 - i]) ok = false; if (ok) { cout << cost << '\n'; return 0; } } f++; if (f > 1000000) break; if (cost > mp[now]) continue; rep(i, n) { int sz = s[i].size(); string tmp = s[i]; if (mode == 0) reverse(all(tmp)); if (now.size() >= sz && now.substr(0, sz) == tmp) { string rem = now.substr(sz); mp[rem] = cost + c[i]; que.push({cost + c[i], {rem, mode}}); } if (tmp.substr(0, len) == now) { string rem = tmp.substr(len); mp[rem] = cost + c[i]; que.push({cost + c[i], {rem, mode ^ 1}}); } } } cout << "-1\n"; }
delete
106
112
106
106
TLE
p02587
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; ll dp[51][2][21]; ll ndp[51][2][21]; string s[51]; ll c[51]; bool good(int pos, int flag, int len) { int sz = s[pos].size(); if (flag == 0) { int l = sz - len, r = sz - 1; for (; l <= r; l++, r--) { if (s[pos][l] != s[pos][r]) return false; } return true; } else { int l = 0, r = len - 1; for (; l <= r; l++, r--) { if (s[pos][l] != s[pos][r]) return false; } return true; } } void solve() { int n; cin >> n; memset(dp, -1, sizeof dp); for (int i = 1; i <= n; i++) { for (int flag = 0; flag <= 1; flag++) { for (int len = 1; len <= 20; len++) { dp[i][flag][len] = 1e18; } } } ll ans = 1e18; for (int i = 1; i <= n; i++) { cin >> s[i] >> c[i]; int sz = s[i].size(); dp[i][0][sz] = c[i]; // prefix dp[i][1][sz] = c[i]; // suffix if (good(i, 0, sz)) { ans = min(ans, c[i]); } } for (int iter = 0; iter < 50 * 20 * 2 + 200; iter++) { for (int i = 1; i <= n; i++) { int sz1 = s[i].size(); for (int flag = 0; flag <= 1; flag++) { for (int len = 1; len <= sz1; len++) { if (dp[i][flag][len] == 1e18) continue; for (int j = 1; j <= n; j++) { int sz2 = s[j].size(); if (flag == 0) { // should take in the suffix, have i-th in the end with last len // symbols int equals = 1, pos1 = sz1 - len, pos2 = sz2 - 1; for (; pos1 < sz1 && pos2 >= 0; pos1++, pos2--) { equals &= (s[i][pos1] == s[j][pos2]); } if (len > sz2 && equals) { dp[i][0][len - sz2] = min(dp[i][0][len - sz2], dp[i][0][len] + c[j]); if (good(i, 0, len - sz2)) { ans = min(ans, dp[i][0][len - sz2]); } } if (len < sz2 && equals) { // cout << "i=" << i << " len=" << len << " j=" << j << " // sz2-len=" << sz2 - len << endl; dp[j][1][sz2 - len] = min(dp[j][1][sz2 - len], dp[i][0][len] + c[j]); if (good(j, 1, sz2 - len)) { ans = min(ans, dp[j][1][sz2 - len]); } } if (len == sz2 && equals) { // cout << "1 " << "i=" << i << " len=" << len << " j=" << j // << endl; ans = min(ans, dp[i][0][len] + c[j]); } } else { // should take in the prefix, have first len symbols int equals = 1, pos1 = len - 1, pos2 = 0; for (; pos1 >= 0 && pos2 < sz2; pos1--, pos2++) { equals &= (s[i][pos1] == s[j][pos2]); } if (len > sz2 && equals) { dp[i][1][len - sz2] = min(dp[i][1][len - sz2], dp[i][1][len] + c[j]); if (good(i, 1, len - sz2)) { ans = min(ans, dp[i][1][len - sz2]); } } if (len < sz2 && equals) { dp[j][0][sz2 - len] = min(dp[j][0][sz2 - len], dp[i][1][len] + c[j]); if (good(j, 0, sz2 - len)) { ans = min(ans, dp[j][0][sz2 - len]); // cout << "2 " << "i=" << i << " len=" << len << " j=" << j // << endl; } } if (len == sz2 && equals) { // cout << "2 " << "i=" << i << " len=" << len << " j=" << j // << endl; ans = min(ans, dp[i][1][len] + c[j]); } } } } } } } if (ans == 1e18) cout << -1; else cout << ans; } int main() { ios::sync_with_stdio(NULL), cin.tie(0), cout.tie(0); cout.setf(ios::fixed), cout.precision(20); solve(); }
#include <bits/stdc++.h> using namespace std; typedef long long ll; ll dp[51][2][21]; ll ndp[51][2][21]; string s[51]; ll c[51]; bool good(int pos, int flag, int len) { int sz = s[pos].size(); if (flag == 0) { int l = sz - len, r = sz - 1; for (; l <= r; l++, r--) { if (s[pos][l] != s[pos][r]) return false; } return true; } else { int l = 0, r = len - 1; for (; l <= r; l++, r--) { if (s[pos][l] != s[pos][r]) return false; } return true; } } void solve() { int n; cin >> n; memset(dp, -1, sizeof dp); for (int i = 1; i <= n; i++) { for (int flag = 0; flag <= 1; flag++) { for (int len = 1; len <= 20; len++) { dp[i][flag][len] = 1e18; } } } ll ans = 1e18; for (int i = 1; i <= n; i++) { cin >> s[i] >> c[i]; int sz = s[i].size(); dp[i][0][sz] = c[i]; // prefix dp[i][1][sz] = c[i]; // suffix if (good(i, 0, sz)) { ans = min(ans, c[i]); } } for (int iter = 0; iter < 50 * 10; iter++) { for (int i = 1; i <= n; i++) { int sz1 = s[i].size(); for (int flag = 0; flag <= 1; flag++) { for (int len = 1; len <= sz1; len++) { if (dp[i][flag][len] == 1e18) continue; for (int j = 1; j <= n; j++) { int sz2 = s[j].size(); if (flag == 0) { // should take in the suffix, have i-th in the end with last len // symbols int equals = 1, pos1 = sz1 - len, pos2 = sz2 - 1; for (; pos1 < sz1 && pos2 >= 0; pos1++, pos2--) { equals &= (s[i][pos1] == s[j][pos2]); } if (len > sz2 && equals) { dp[i][0][len - sz2] = min(dp[i][0][len - sz2], dp[i][0][len] + c[j]); if (good(i, 0, len - sz2)) { ans = min(ans, dp[i][0][len - sz2]); } } if (len < sz2 && equals) { // cout << "i=" << i << " len=" << len << " j=" << j << " // sz2-len=" << sz2 - len << endl; dp[j][1][sz2 - len] = min(dp[j][1][sz2 - len], dp[i][0][len] + c[j]); if (good(j, 1, sz2 - len)) { ans = min(ans, dp[j][1][sz2 - len]); } } if (len == sz2 && equals) { // cout << "1 " << "i=" << i << " len=" << len << " j=" << j // << endl; ans = min(ans, dp[i][0][len] + c[j]); } } else { // should take in the prefix, have first len symbols int equals = 1, pos1 = len - 1, pos2 = 0; for (; pos1 >= 0 && pos2 < sz2; pos1--, pos2++) { equals &= (s[i][pos1] == s[j][pos2]); } if (len > sz2 && equals) { dp[i][1][len - sz2] = min(dp[i][1][len - sz2], dp[i][1][len] + c[j]); if (good(i, 1, len - sz2)) { ans = min(ans, dp[i][1][len - sz2]); } } if (len < sz2 && equals) { dp[j][0][sz2 - len] = min(dp[j][0][sz2 - len], dp[i][1][len] + c[j]); if (good(j, 0, sz2 - len)) { ans = min(ans, dp[j][0][sz2 - len]); // cout << "2 " << "i=" << i << " len=" << len << " j=" << j // << endl; } } if (len == sz2 && equals) { // cout << "2 " << "i=" << i << " len=" << len << " j=" << j // << endl; ans = min(ans, dp[i][1][len] + c[j]); } } } } } } } if (ans == 1e18) cout << -1; else cout << ans; } int main() { ios::sync_with_stdio(NULL), cin.tie(0), cout.tie(0); cout.setf(ios::fixed), cout.precision(20); solve(); }
replace
51
52
51
52
TLE
p02587
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using V = vector<int>; using Vll = vector<ll>; using Vld = vector<ld>; using Vbo = vector<bool>; using VV = vector<V>; using VVll = vector<Vll>; using VVld = vector<Vld>; using VVbo = vector<Vbo>; using VVV = vector<VV>; using VVVll = vector<VVll>; using P = pair<int, int>; using Pll = pair<ll, ll>; using Pld = pair<ld, ld>; #define rep2(i, m, n) for (int i = (m); i < (n); ++i) #define rep(i, n) rep2(i, 0, n) #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define drep(i, n) drep2(i, n, 0) #define all(a) (a).begin(), (a).end() struct fast_ios { fast_ios() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; template <typename T> inline int sz(T &x) { return x.size(); } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << '(' << p.first << ", " << p.second << ')'; return os; } template <typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; } template <typename T> inline int count_between(vector<T> &a, T l, T r) { return lower_bound(all(a), r) - lower_bound(all(a), l); } // [l, r) inline int fLog2(const int x) { assert(x > 0); return 31 - __builtin_clz(x); } // floor(log2(x)) inline int fLog2(const ll x) { assert(x > 0); return 63 - __builtin_clzll(x); } inline int cLog2(const int x) { assert(x > 0); return (x == 1) ? 0 : 32 - __builtin_clz(x - 1); } // ceil(log2(x)) inline int cLog2(const ll x) { assert(x > 0); return (x == 1) ? 0 : 64 - __builtin_clzll(x - 1); } inline int popcount(const int x) { return __builtin_popcount(x); } inline int popcount(const ll x) { return __builtin_popcountll(x); } void fail() { cout << -1 << '\n'; exit(0); } // const int INF = 1<<30; const ll INFll = 1ll << 62; // const ld EPS = 1e-10; // const ld PI = acos(-1.0); // const int MOD = int(1e9)+7; // const int MOD = 998244353; template <typename T> struct edge { int v; T w; edge(int v, T w) : v(v), w(w) {} }; template <typename T> using Graph = vector<vector<edge<T>>>; string rev(string s) { reverse(all(s)); return s; } map<string, int> idS[2]; vector<string> s[2]; int main() { int n; cin >> n; V c(n); rep(i, n) { string x; cin >> x >> c[i]; s[0].push_back(x); s[1].push_back(rev(x)); } const int M = 6; auto nid = [&](int i, int j, int r) { return M * i + j + n * M * r; }; int nv = n * M * 2; Graph<ll> G(nv); rep(r, 2) rep(i, n) rep2(j, 1, sz(s[r][i]) + 1) rep(k, n) { auto t1 = rev(s[r][i].substr(0, j)); auto t2 = s[r][k]; int l = sz(t2); int mn = min(j, l); if (t1.substr(0, mn) != t2.substr(0, mn)) continue; int r2 = r; int i2 = i; int j2 = abs(j - l); if (j < l) r2 ^= 1, i2 = k; G[nid(i, j, r)].emplace_back(nid(i2, j2, r2), c[k]); } using T = ll; const auto INF_T = numeric_limits<T>::max(); vector<T> dist(nv, INF_T); using PTi = pair<T, int>; priority_queue<PTi, vector<PTi>, greater<PTi>> pq; rep(i, n) { int x = nid(i, sz(s[0][i]), 0); dist[x] = c[i]; pq.emplace(dist[x], x); } while (!pq.empty()) { auto [d, u] = pq.top(); pq.pop(); if (dist[u] < d) continue; for (auto &[v, w] : G[u]) { if (chmin(dist[v], d + w)) { pq.emplace(dist[v], v); } } } ll ans = INFll; rep(r, 2) rep(i, n) rep(j, sz(s[r][i]) + 1) { auto t = s[r][i].substr(0, j); if (t == rev(t)) { chmin(ans, dist[nid(i, j, r)]); } } cout << (ans == INFll ? -1 : ans) << '\n'; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using V = vector<int>; using Vll = vector<ll>; using Vld = vector<ld>; using Vbo = vector<bool>; using VV = vector<V>; using VVll = vector<Vll>; using VVld = vector<Vld>; using VVbo = vector<Vbo>; using VVV = vector<VV>; using VVVll = vector<VVll>; using P = pair<int, int>; using Pll = pair<ll, ll>; using Pld = pair<ld, ld>; #define rep2(i, m, n) for (int i = (m); i < (n); ++i) #define rep(i, n) rep2(i, 0, n) #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define drep(i, n) drep2(i, n, 0) #define all(a) (a).begin(), (a).end() struct fast_ios { fast_ios() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; template <typename T> inline int sz(T &x) { return x.size(); } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << '(' << p.first << ", " << p.second << ')'; return os; } template <typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; } template <typename T> inline int count_between(vector<T> &a, T l, T r) { return lower_bound(all(a), r) - lower_bound(all(a), l); } // [l, r) inline int fLog2(const int x) { assert(x > 0); return 31 - __builtin_clz(x); } // floor(log2(x)) inline int fLog2(const ll x) { assert(x > 0); return 63 - __builtin_clzll(x); } inline int cLog2(const int x) { assert(x > 0); return (x == 1) ? 0 : 32 - __builtin_clz(x - 1); } // ceil(log2(x)) inline int cLog2(const ll x) { assert(x > 0); return (x == 1) ? 0 : 64 - __builtin_clzll(x - 1); } inline int popcount(const int x) { return __builtin_popcount(x); } inline int popcount(const ll x) { return __builtin_popcountll(x); } void fail() { cout << -1 << '\n'; exit(0); } // const int INF = 1<<30; const ll INFll = 1ll << 62; // const ld EPS = 1e-10; // const ld PI = acos(-1.0); // const int MOD = int(1e9)+7; // const int MOD = 998244353; template <typename T> struct edge { int v; T w; edge(int v, T w) : v(v), w(w) {} }; template <typename T> using Graph = vector<vector<edge<T>>>; string rev(string s) { reverse(all(s)); return s; } map<string, int> idS[2]; vector<string> s[2]; int main() { int n; cin >> n; V c(n); rep(i, n) { string x; cin >> x >> c[i]; s[0].push_back(x); s[1].push_back(rev(x)); } const int M = 21; auto nid = [&](int i, int j, int r) { return M * i + j + n * M * r; }; int nv = n * M * 2; Graph<ll> G(nv); rep(r, 2) rep(i, n) rep2(j, 1, sz(s[r][i]) + 1) rep(k, n) { auto t1 = rev(s[r][i].substr(0, j)); auto t2 = s[r][k]; int l = sz(t2); int mn = min(j, l); if (t1.substr(0, mn) != t2.substr(0, mn)) continue; int r2 = r; int i2 = i; int j2 = abs(j - l); if (j < l) r2 ^= 1, i2 = k; G[nid(i, j, r)].emplace_back(nid(i2, j2, r2), c[k]); } using T = ll; const auto INF_T = numeric_limits<T>::max(); vector<T> dist(nv, INF_T); using PTi = pair<T, int>; priority_queue<PTi, vector<PTi>, greater<PTi>> pq; rep(i, n) { int x = nid(i, sz(s[0][i]), 0); dist[x] = c[i]; pq.emplace(dist[x], x); } while (!pq.empty()) { auto [d, u] = pq.top(); pq.pop(); if (dist[u] < d) continue; for (auto &[v, w] : G[u]) { if (chmin(dist[v], d + w)) { pq.emplace(dist[v], v); } } } ll ans = INFll; rep(r, 2) rep(i, n) rep(j, sz(s[r][i]) + 1) { auto t = s[r][i].substr(0, j); if (t == rev(t)) { chmin(ans, dist[nid(i, j, r)]); } } cout << (ans == INFll ? -1 : ans) << '\n'; return 0; }
replace
122
123
122
123
0
p02587
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; int h(int tp, int id, int len) { return (tp + (id << 1) + (len << 7)); } string rev(string s) { reverse(s.begin(), s.end()); return s; } int main() { ios::sync_with_stdio(0); cin.tie(0); const int N = (1 << 12); const ll inf = (1ll << 60); vector<array<ll, 2>> v[N]; int n; cin >> n; vector<string> s(n + 1); vector<ll> c(n + 1, 0); for (int i = 1; i <= n; i++) cin >> s[i] >> c[i]; for (int i = 1; i <= n; i++) { int one = s[i].size(); for (int len = 1; len <= one; len++) { for (int j = 1; j <= n; j++) { int sz = s[j].size(); // prefix-0 if (sz < len && s[i].substr(len - sz, sz) == rev(s[j])) v[h(0, i, len)].push_back({h(0, i, len - sz), c[j]}); if (sz == len && s[i].substr(0, len) == rev(s[j])) v[h(0, i, len)].push_back({0, c[j]}); if (sz > len && s[i].substr(0, len) == rev(s[j].substr(0, len))) v[h(0, i, len)].push_back({h(1, j, sz - len), c[j]}); // suffix-1 if (sz < len && s[i].substr(one - len, sz) == rev(s[j])) v[h(1, i, len)].push_back({h(1, i, len - sz), c[j]}); if (sz == len && s[i].substr(one - len, len) == rev(s[j])) v[h(1, i, len)].push_back({0, c[j]}); if (sz > len && s[i].substr(one - len, len) == rev(s[j].substr(sz - len, len))) v[h(1, i, len)].push_back({h(0, j, sz - len), c[j]}); } } } priority_queue<array<ll, 2>, vector<array<ll, 2>>, greater<array<ll, 2>>> q; vector<ll> d(N, inf); auto mn = [](ll &a, ll b) { a = min(a, b); }; for (int i = 1; i <= n; i++) { int sz = s[i].size(); if (s[i] == rev(s[i])) mn(d[0], c[i]); // one for (int j = 0; j < sz - j - 1; j++) if (s[i].substr(0, j) == rev(s[i].substr(j + 1, j))) mn(d[h(1, i, sz - (2 * j + 1))], c[i]); for (int j = sz - 1; j > sz - j - 1; j--) if (s[i].substr(j + 1, sz - j - 1) == rev(s[i].substr(j - (sz - j - 1), sz - j - 1))) mn(d[h(0, i, sz - (2 * (sz - j - 1) + 1))], c[i]); // two for (int j = 0; j < sz - j - 2; j++) if (s[i].substr(0, j + 1) == rev(s[i].substr(j + 1, j + 1))) mn(d[h(1, i, sz - (2 * j + 2))], c[i]); for (int j = sz - 2; j > sz - j - 2; j--) if (s[i].substr(j + 1, sz - j - 1) == rev(s[i].substr(j - (sz - j - 1), sz - j - 1))) mn(d[h(0, i, sz - (2 * j + 2))], c[i]); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { int one = s[i].size(); int two = s[j].size(); if (one == two && s[i] + s[j] == rev(s[i] + s[j])) mn(d[0], c[i] + c[j]); if (one < two && s[i] == rev(s[j].substr(0, one))) mn(d[h(1, j, two - one)], c[i] + c[j]); if (one > two && s[i].substr(one - two, two) == rev(s[j])) mn(d[h(0, i, one - two)], c[i] + c[j]); } } for (int i = 0; i < N; i++) if (d[i] < inf) q.push({d[i], i}); while (!q.empty()) { auto [da, a] = q.top(); q.pop(); if (d[a] < da) continue; for (auto [to, w] : v[a]) { if (d[a] + w < d[to]) { d[to] = d[a] + w; q.push({d[to], to}); } } } if (d[0] == inf) d[0] = -1; cout << d[0] << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; int h(int tp, int id, int len) { return (tp + (id << 1) + (len << 7)); } string rev(string s) { reverse(s.begin(), s.end()); return s; } int main() { ios::sync_with_stdio(0); cin.tie(0); const int N = (1 << 12); const ll inf = (1ll << 60); vector<array<ll, 2>> v[N]; int n; cin >> n; vector<string> s(n + 1); vector<ll> c(n + 1, 0); for (int i = 1; i <= n; i++) cin >> s[i] >> c[i]; for (int i = 1; i <= n; i++) { int one = s[i].size(); for (int len = 1; len <= one; len++) { for (int j = 1; j <= n; j++) { int sz = s[j].size(); // prefix-0 if (sz < len && s[i].substr(len - sz, sz) == rev(s[j])) v[h(0, i, len)].push_back({h(0, i, len - sz), c[j]}); if (sz == len && s[i].substr(0, len) == rev(s[j])) v[h(0, i, len)].push_back({0, c[j]}); if (sz > len && s[i].substr(0, len) == rev(s[j].substr(0, len))) v[h(0, i, len)].push_back({h(1, j, sz - len), c[j]}); // suffix-1 if (sz < len && s[i].substr(one - len, sz) == rev(s[j])) v[h(1, i, len)].push_back({h(1, i, len - sz), c[j]}); if (sz == len && s[i].substr(one - len, len) == rev(s[j])) v[h(1, i, len)].push_back({0, c[j]}); if (sz > len && s[i].substr(one - len, len) == rev(s[j].substr(sz - len, len))) v[h(1, i, len)].push_back({h(0, j, sz - len), c[j]}); } } } priority_queue<array<ll, 2>, vector<array<ll, 2>>, greater<array<ll, 2>>> q; vector<ll> d(N, inf); auto mn = [](ll &a, ll b) { a = min(a, b); }; for (int i = 1; i <= n; i++) { int sz = s[i].size(); if (s[i] == rev(s[i])) mn(d[0], c[i]); // one for (int j = 0; j < sz - j - 1; j++) if (s[i].substr(0, j) == rev(s[i].substr(j + 1, j))) mn(d[h(1, i, sz - (2 * j + 1))], c[i]); for (int j = sz - 1; j > sz - j - 1; j--) if (s[i].substr(j + 1, sz - j - 1) == rev(s[i].substr(j - (sz - j - 1), sz - j - 1))) mn(d[h(0, i, sz - (2 * (sz - j - 1) + 1))], c[i]); // two for (int j = 0; j < sz - j - 2; j++) if (s[i].substr(0, j + 1) == rev(s[i].substr(j + 1, j + 1))) mn(d[h(1, i, sz - (2 * j + 2))], c[i]); for (int j = sz - 2; j > sz - j - 2; j--) if (s[i].substr(j + 1, sz - j - 1) == rev(s[i].substr(j - (sz - j - 1) + 1, sz - j - 1))) mn(d[h(0, i, sz - (2 * (sz - j - 2) + 2))], c[i]); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { int one = s[i].size(); int two = s[j].size(); if (one == two && s[i] + s[j] == rev(s[i] + s[j])) mn(d[0], c[i] + c[j]); if (one < two && s[i] == rev(s[j].substr(0, one))) mn(d[h(1, j, two - one)], c[i] + c[j]); if (one > two && s[i].substr(one - two, two) == rev(s[j])) mn(d[h(0, i, one - two)], c[i] + c[j]); } } for (int i = 0; i < N; i++) if (d[i] < inf) q.push({d[i], i}); while (!q.empty()) { auto [da, a] = q.top(); q.pop(); if (d[a] < da) continue; for (auto [to, w] : v[a]) { if (d[a] + w < d[to]) { d[to] = d[a] + w; q.push({d[to], to}); } } } if (d[0] == inf) d[0] = -1; cout << d[0] << "\n"; return 0; }
replace
68
70
68
70
0
p02587
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) #define chmax(a, b) a = max(a, b); #define chmin(a, b) a = min(a, b); using namespace std; using ll = long long; using P = pair<int, int>; using VI = vector<long long>; using VVI = vector<VI>; using VVVI = vector<VVI>; using VVVVI = vector<VVVI>; const ll INF = 1002003004005006007LL; bool is_palin(string &s, int from, int to) { for (; from < to; from++, to--) { if (s[from] != s[to]) return false; } return true; } int main() { int n; cin >> n; vector<string> s(n); vector<ll> c(n); rep(i, n) cin >> s[i] >> c[i]; VVVI dp(n, VVI(22, VI(2, INF))); queue<tuple<int, int, bool, ll>> q; rep(si, n) { dp[si][0][0] = dp[si][s.size() - 1][1] = c[si]; q.emplace(si, 0, 0, c[si]); } ll ans = INF; while (!q.empty()) { int si, i; bool t; ll cost; tie(si, i, t, cost) = q.front(); q.pop(); if (dp[si][i][t] != cost) continue; if (t == 0) { if (is_palin(s[si], i, s[si].size() - 1)) { chmin(ans, cost) continue; } rep(ri, n) { int i1 = i, i2 = s[ri].size() - 1; bool ok = true; while (i1 < s[si].size() && i2 >= 0) { if (s[si][i1] != s[ri][i2]) { ok = false; break; } i1++; i2--; } if (!ok) continue; ll nc = cost + c[ri]; if (i1 < s[si].size()) { if (nc < dp[si][i1][0]) { dp[si][i1][0] = nc; q.emplace(si, i1, 0, nc); } } else if (i2 >= 0) { if (nc < dp[ri][i2][1]) { dp[ri][i2][1] = nc; q.emplace(ri, i2, 1, nc); } } else { chmin(ans, nc); } } } else { if (is_palin(s[si], 0, i)) { chmin(ans, cost) continue; } rep(ri, n) { int i1 = i, i2 = 0; bool ok = true; while (i1 >= 0 && i2 < s[ri].size()) { if (s[si][i1] != s[ri][i2]) { ok = false; break; } i1--; i2++; } if (!ok) continue; ll nc = cost + c[ri]; if (i1 >= 0) { if (nc < dp[si][i1][1]) { dp[si][i1][1] = nc; q.emplace(si, i1, 1, nc); } } else if (i2 < s[ri].size()) { if (nc < dp[ri][i2][0]) { dp[ri][i2][0] = nc; q.emplace(ri, i2, 0, nc); } } else { chmin(ans, nc); } } } } if (ans == INF) ans = -1; cout << ans << endl; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) #define chmax(a, b) a = max(a, b); #define chmin(a, b) a = min(a, b); using namespace std; using ll = long long; using P = pair<int, int>; using VI = vector<long long>; using VVI = vector<VI>; using VVVI = vector<VVI>; using VVVVI = vector<VVVI>; const ll INF = 1002003004005006007LL; bool is_palin(string &s, int from, int to) { for (; from < to; from++, to--) { if (s[from] != s[to]) return false; } return true; } int main() { int n; cin >> n; vector<string> s(n); vector<ll> c(n); rep(i, n) cin >> s[i] >> c[i]; VVVI dp(n, VVI(22, VI(2, INF))); queue<tuple<int, int, bool, ll>> q; rep(si, n) { dp[si][0][0] = c[si]; q.emplace(si, 0, 0, c[si]); } ll ans = INF; while (!q.empty()) { int si, i; bool t; ll cost; tie(si, i, t, cost) = q.front(); q.pop(); if (dp[si][i][t] != cost) continue; if (t == 0) { if (is_palin(s[si], i, s[si].size() - 1)) { chmin(ans, cost) continue; } rep(ri, n) { int i1 = i, i2 = s[ri].size() - 1; bool ok = true; while (i1 < s[si].size() && i2 >= 0) { if (s[si][i1] != s[ri][i2]) { ok = false; break; } i1++; i2--; } if (!ok) continue; ll nc = cost + c[ri]; if (i1 < s[si].size()) { if (nc < dp[si][i1][0]) { dp[si][i1][0] = nc; q.emplace(si, i1, 0, nc); } } else if (i2 >= 0) { if (nc < dp[ri][i2][1]) { dp[ri][i2][1] = nc; q.emplace(ri, i2, 1, nc); } } else { chmin(ans, nc); } } } else { if (is_palin(s[si], 0, i)) { chmin(ans, cost) continue; } rep(ri, n) { int i1 = i, i2 = 0; bool ok = true; while (i1 >= 0 && i2 < s[ri].size()) { if (s[si][i1] != s[ri][i2]) { ok = false; break; } i1--; i2++; } if (!ok) continue; ll nc = cost + c[ri]; if (i1 >= 0) { if (nc < dp[si][i1][1]) { dp[si][i1][1] = nc; q.emplace(si, i1, 1, nc); } } else if (i2 < s[ri].size()) { if (nc < dp[ri][i2][0]) { dp[ri][i2][0] = nc; q.emplace(ri, i2, 0, nc); } } else { chmin(ans, nc); } } } } if (ans == INF) ans = -1; cout << ans << endl; }
replace
31
32
31
32
0
p02587
C++
Time Limit Exceeded
// This Code was made by Chinese_zjc_. #include <algorithm> #include <bitset> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <time.h> #include <vector> // #include<windows.h> #define int long long #define PI 3.14159265358979323 #define INF 0x3fffffffffffffff using namespace std; int n, ans = INF; struct L { int v; string s, e; bool operator<(const L &TMP) const { return v < TMP.v; } } a[55]; struct F { int used; string g; bool operator<(const F &TMP) const { return used > TMP.used; } }; priority_queue<F> dl; string work(string now) { for (int i = 0; i < (int)now.length() >> 1; ++i) { swap(now[i], now[now.length() - i - 1]); } return now; } bool good(string now, string x) { for (int i = 0; i < (int)x.length(); ++i) { if (now[i] != x[i]) { return false; } } return true; } bool allhigh(string now) { for (int i = 1; i <= n; ++i) { if (now.length() < a[i].e.length()) { return false; } } return true; } bool can(F now) { if (allhigh(now.g)) { for (int i = 1; i <= n; ++i) { if (now.used + a[i].v < ans && now.g.substr(0, a[i].e.length()) == a[i].e) { return true; } } return false; } for (int i = 1; i <= n; ++i) { if (now.used + a[i].v >= ans) { continue; } int len = min(a[i].e.length(), now.g.length()); bool flag = true; for (int j = 0; j < len; ++j) { if (now.g[j] != a[i].e[j]) { flag = false; break; } } if (flag) { return true; } } return false; } bool all(string now) { for (int i = 0; i < (int)now.length() >> 1; ++i) { if (now[i] != now[now.length() - 1 - i]) { return false; } } return true; } signed main() { ios::sync_with_stdio(false); cin >> n; for (int i = 1; i <= n; ++i) { cin >> a[i].s >> a[i].v; a[i].e = work(a[i].s); } sort(a + 1, a + 1 + n); dl.push((F){0, ""}); while (!dl.empty() && dl.top().used < ans) { F now = dl.top(); dl.pop(); for (int i = 1; i <= n; ++i) { if (all(now.g + a[i].s)) { ans = min(now.used + a[i].v, ans); } } for (int i = 1; i <= n; ++i) { if (good(now.g, a[i].e) && can((F){now.used + a[i].v, now.g.substr(a[i].e.length(), now.g.length() - a[i].e.length())})) { dl.push((F){ now.used + a[i].v, now.g.substr(a[i].e.length(), now.g.length() - a[i].e.length())}); } } if (allhigh(now.g)) { continue; } for (int i = 1; i <= n; ++i) { if (can((F){now.used + a[i].v, now.g + a[i].s})) { dl.push((F){now.used + a[i].v, now.g + a[i].s}); } } } cout << (ans == INF ? -1 : ans) << endl; return 0; }
// This Code was made by Chinese_zjc_. #include <algorithm> #include <bitset> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <time.h> #include <vector> // #include<windows.h> #define int long long #define PI 3.14159265358979323 #define INF 0x3fffffffffffffff using namespace std; int n, ans = INF; struct L { int v; string s, e; bool operator<(const L &TMP) const { return v < TMP.v; } } a[55]; struct F { int used; string g; bool operator<(const F &TMP) const { return used > TMP.used; } }; priority_queue<F> dl; string work(string now) { for (int i = 0; i < (int)now.length() >> 1; ++i) { swap(now[i], now[now.length() - i - 1]); } return now; } bool good(string now, string x) { for (int i = 0; i < (int)x.length(); ++i) { if (now[i] != x[i]) { return false; } } return true; } bool allhigh(string now) { for (int i = 1; i <= n; ++i) { if (now.length() < a[i].e.length() && now == a[i].e.substr(0, now.length())) { return false; } } return true; } bool can(F now) { if (allhigh(now.g)) { for (int i = 1; i <= n; ++i) { if (now.used + a[i].v < ans && now.g.substr(0, a[i].e.length()) == a[i].e) { return true; } } return false; } for (int i = 1; i <= n; ++i) { if (now.used + a[i].v >= ans) { continue; } int len = min(a[i].e.length(), now.g.length()); bool flag = true; for (int j = 0; j < len; ++j) { if (now.g[j] != a[i].e[j]) { flag = false; break; } } if (flag) { return true; } } return false; } bool all(string now) { for (int i = 0; i < (int)now.length() >> 1; ++i) { if (now[i] != now[now.length() - 1 - i]) { return false; } } return true; } signed main() { ios::sync_with_stdio(false); cin >> n; for (int i = 1; i <= n; ++i) { cin >> a[i].s >> a[i].v; a[i].e = work(a[i].s); } sort(a + 1, a + 1 + n); dl.push((F){0, ""}); while (!dl.empty() && dl.top().used < ans) { F now = dl.top(); dl.pop(); for (int i = 1; i <= n; ++i) { if (all(now.g + a[i].s)) { ans = min(now.used + a[i].v, ans); } } for (int i = 1; i <= n; ++i) { if (good(now.g, a[i].e) && can((F){now.used + a[i].v, now.g.substr(a[i].e.length(), now.g.length() - a[i].e.length())})) { dl.push((F){ now.used + a[i].v, now.g.substr(a[i].e.length(), now.g.length() - a[i].e.length())}); } } if (allhigh(now.g)) { continue; } for (int i = 1; i <= n; ++i) { if (can((F){now.used + a[i].v, now.g + a[i].s})) { dl.push((F){now.used + a[i].v, now.g + a[i].s}); } } } cout << (ans == INF ? -1 : ans) << endl; return 0; }
replace
49
50
49
51
TLE
p02587
C++
Runtime Error
#include <algorithm> #include <cstdio> #include <cstring> #include <iostream> #include <queue> #include <vector> using namespace std; const int maxn = 105; typedef long long ll; int n, m, a[maxn], b[maxn], len; int c[maxn]; string s[maxn]; int tt; vector<pair<int, int>> adj[maxn]; inline bool chk1(string t) { if (t.size() == 0) return true; int l = 0, r = (int)t.size() - 1; while (l <= r) { if (t[l] != t[r]) return false; l++, r--; } return true; } struct node { int id; ll val; bool operator<(const node &n1) const { return val > n1.val; } node(int id = 0, ll val = 0) : id(id), val(val) {} }; priority_queue<node> q; ll d[maxn * 25]; int vis[maxn * 25]; int id[maxn][25]; ll ans = 1e16; inline void diji() { while (!q.empty()) { int u = q.top().id; q.pop(); if (vis[u]) continue; vis[u] = 1; for (int i = 0; i < adj[u].size(); i++) { int v = adj[u][i].first; int w = adj[u][i].second; if (d[v] > d[u] + w) { d[v] = d[u] + w; q.push(node(v, d[v])); } } } } int main() { cin >> n; for (int i = 1; i <= n; i++) { string s1; int x; cin >> s1 >> x; if (chk1(s1)) { ans = min(ans, (ll)x); continue; } len++; b[len] = s1.size(); s[len] = " " + s1; c[len] = x; } n = len; for (int i = n + 1; i <= n * 2; i++) { s[i] = s[i - n]; c[i] = c[i - n]; b[i] = b[i - n]; int l = 1, r = b[i]; while (l <= r) { swap(s[i][l], s[i][r]); l++, r--; } } for (int i = 1; i <= n * 2; i++) { for (int j = 0; j <= b[i]; j++) { id[i][j] = ++tt; } } for (int i = 1; i <= n * 2; i++) { for (int j = 0; j <= b[i]; j++) { if (j == b[i]) continue; int l, r; if (i <= n) { l = n + 1, r = n * 2; } else { l = 1, r = n; } for (int k = l; k <= r; k++) { int p1 = j, p2 = 0; while (p1 + 1 <= b[i] && p2 + 1 <= b[k] && s[i][p1 + 1] == s[k][p2 + 1]) { p1++; p2++; } if (p1 == b[i] && p2 == b[k]) { adj[id[i][j]].push_back(make_pair(id[i][b[i]], c[k])); adj[id[i][j]].push_back(make_pair(id[k][b[k]], c[k])); continue; } if (p1 == b[i]) { adj[id[i][j]].push_back(make_pair(id[k][p2], c[k])); continue; } if (p2 == b[k]) { adj[id[i][j]].push_back(make_pair(id[i][p1], c[k])); continue; } } } } memset(d, 0x3f, sizeof(d)); for (int i = 1; i <= n * 2; i++) { d[id[i][0]] = c[i]; q.push(node(id[i][0], d[id[i][0]])); } diji(); for (int i = 1; i <= n * 2; i++) { for (int j = 1; j <= b[i]; j++) { string t = ""; for (int k = j + 1; k <= b[i]; k++) { t.push_back(s[i][k]); } if (chk1(t)) { ans = min(ans, d[id[i][j]]); } } } if (ans >= 1e16) { cout << "-1" << endl; } else cout << ans << endl; }
#include <algorithm> #include <cstdio> #include <cstring> #include <iostream> #include <queue> #include <vector> using namespace std; const int maxn = 105; typedef long long ll; int n, m, a[maxn], b[maxn], len; int c[maxn]; string s[maxn]; int tt; vector<pair<int, int>> adj[maxn * 25]; inline bool chk1(string t) { if (t.size() == 0) return true; int l = 0, r = (int)t.size() - 1; while (l <= r) { if (t[l] != t[r]) return false; l++, r--; } return true; } struct node { int id; ll val; bool operator<(const node &n1) const { return val > n1.val; } node(int id = 0, ll val = 0) : id(id), val(val) {} }; priority_queue<node> q; ll d[maxn * 25]; int vis[maxn * 25]; int id[maxn][25]; ll ans = 1e16; inline void diji() { while (!q.empty()) { int u = q.top().id; q.pop(); if (vis[u]) continue; vis[u] = 1; for (int i = 0; i < adj[u].size(); i++) { int v = adj[u][i].first; int w = adj[u][i].second; if (d[v] > d[u] + w) { d[v] = d[u] + w; q.push(node(v, d[v])); } } } } int main() { cin >> n; for (int i = 1; i <= n; i++) { string s1; int x; cin >> s1 >> x; if (chk1(s1)) { ans = min(ans, (ll)x); continue; } len++; b[len] = s1.size(); s[len] = " " + s1; c[len] = x; } n = len; for (int i = n + 1; i <= n * 2; i++) { s[i] = s[i - n]; c[i] = c[i - n]; b[i] = b[i - n]; int l = 1, r = b[i]; while (l <= r) { swap(s[i][l], s[i][r]); l++, r--; } } for (int i = 1; i <= n * 2; i++) { for (int j = 0; j <= b[i]; j++) { id[i][j] = ++tt; } } for (int i = 1; i <= n * 2; i++) { for (int j = 0; j <= b[i]; j++) { if (j == b[i]) continue; int l, r; if (i <= n) { l = n + 1, r = n * 2; } else { l = 1, r = n; } for (int k = l; k <= r; k++) { int p1 = j, p2 = 0; while (p1 + 1 <= b[i] && p2 + 1 <= b[k] && s[i][p1 + 1] == s[k][p2 + 1]) { p1++; p2++; } if (p1 == b[i] && p2 == b[k]) { adj[id[i][j]].push_back(make_pair(id[i][b[i]], c[k])); adj[id[i][j]].push_back(make_pair(id[k][b[k]], c[k])); continue; } if (p1 == b[i]) { adj[id[i][j]].push_back(make_pair(id[k][p2], c[k])); continue; } if (p2 == b[k]) { adj[id[i][j]].push_back(make_pair(id[i][p1], c[k])); continue; } } } } memset(d, 0x3f, sizeof(d)); for (int i = 1; i <= n * 2; i++) { d[id[i][0]] = c[i]; q.push(node(id[i][0], d[id[i][0]])); } diji(); for (int i = 1; i <= n * 2; i++) { for (int j = 1; j <= b[i]; j++) { string t = ""; for (int k = j + 1; k <= b[i]; k++) { t.push_back(s[i][k]); } if (chk1(t)) { ans = min(ans, d[id[i][j]]); } } } if (ans >= 1e16) { cout << "-1" << endl; } else cout << ans << endl; }
replace
13
14
13
14
0
p02588
C++
Time Limit Exceeded
#define _USE_MATH_DEFINES #define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING #define _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS #define _CRT_SECURE_NO_WARNINGS #pragma GCC target("avx") // #include <bits/stdc++.h> #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <cstdio> #include <cstring> #include <ctime> #include <fstream> #include <functional> #include <iostream> #include <map> #include <queue> #include <set> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> #include <emmintrin.h> #include <mmintrin.h> #include <nmmintrin.h> using namespace std; #define dprint(Exp, ...) \ if (Exp) { \ fprintf(stderr, __VA_ARGS__); \ } #define printe(...) fprintf(stderr, __VA_ARGS__); // #define printe(...) void(); #define printE(...) fprintf(stderr, __VA_ARGS__); // #define printE(...) void(); #define PrtExp(_Exp) cerr << #_Exp << " = " << (_Exp) #define PrtExpN(_Exp) cerr << #_Exp << " = " << (_Exp) << "\n" #define SINT(n) scanf("%d", &n) #define SINT2(n, m) scanf("%d %d", &n, &m) #define SINT3(n, m, o) scanf("%d %d %d", &n, &m, &o) #define SINT4(n, m, o, P) scanf("%d %d %d %d", &n, &m, &o, &P) #define SINT5(n, m, o, P, q) scanf("%d %d %d %d %d", &n, &m, &o, &P, &q) #define SLL(n) scanf("%lld", &n) #define SLL2(n, m) scanf("%lld %lld", &n, &m) #define SLL3(n, m, o) scanf("%lld %lld %lld", &n, &m, &o) #define SST(s) scanf("%s", s) #define SCH(c) scanf("%c", &c) #define GC() getchar() #define PINT(n) printf("%d", (int)(n)) #define PINT2(n, m) printf("%d %d", (int)(n), (int)(m)) #define PINT3(n, m, l) printf("%d %d %d", (int)(n), (int)(m), (int)(l)) #define PLL(n) printf("%lld", (long long)(n)) #define PST(s) printf("%s", (s)) #define PCH(s) printf("%c", (s)) #define PINTN(n) printf("%d\n", (int)(n)) #define PINT2N(n, m) printf("%d %d\n", (int)(n), (int)(m)) #define PINT3N(n, m, l) printf("%d %d %d\n", (int)(n), (int)(m), (int)(l)) #define PLLN(n) printf("%lld\n", (long long)(n)) #define PSTN(s) printf("%s\n", (s)) #define PCHN(s) printf("%c\n", (s)) #define PSP() printf(" ") #define PN() printf("\n") #define PC(c) putchar(c) #define CSP (' ') #define SN ("\n") #define rep(i, a) for (int i = 0; i < a; i++) #define reP(i, a) for (int i = 0; i <= a; i++) #define Rep(i, a) for (int i = a - 1; i >= 0; i--) #define ReP(i, a) for (int i = a; i >= 0; i--) #define rEp(i, a) for (i = 0; i < a; i++) #define rEP(i, a) for (i = 0; i <= a; i++) #define REp(i, a) for (i = a - 1; i >= 0; i--) #define REP(i, a) for (i = a; i >= 0; i--) #define repft(i, a, b) for (int i = a; i < b; i++) #define repfT(i, a, b) for (int i = a; i <= b; i++) #define Repft(i, a, b) for (int i = a - 1; i >= b; i--) #define RepfT(i, a, b) for (int i = a; i >= b; i--) #define foreach(a, it) for (auto it = a.begin(); it != a.end(); ++it) #define FILL(a, v) fill(begin(a), end(a), v) #define FILL0(a) memset(a, 0, sizeof(a)) #define FILL1(a) memset(a, -1, sizeof(a)) typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> Pi; typedef pair<ll, ll> Pll; const int INF = 1'010'000'000; // 0x3C33'6080 const ll INFLL = 0x1f1f1f1f1f1f1f1fLL; // 2,242,545,357,980,376,863 template <class A, class B> inline ostream &operator<<(ostream &st, const pair<A, B> &P) { return st << "(" << P.first << "," << P.second << ")"; }; template <class A, class B> inline pair<A, B> operator+(const pair<A, B> &P, const pair<A, B> &Q) { return pair<A, B>(P.first + Q.first, P.second + Q.second); }; template <class A, class B> inline pair<A, B> operator-(const pair<A, B> &P, const pair<A, B> &Q) { return pair<A, B>(P.first - Q.first, P.second - Q.second); }; #define fs first #define sc second int bitCount(unsigned long long bits) { #if _MSC_VER >= 1920 || __INTEL_COMPILER return _mm_popcnt_u64(bits); #else return __builtin_popcountll(bits); #endif } ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } int cnt[20][20]; int main() { int n; cin >> n; const ll E9 = 1000000000; ll ret = 0; rep(i, n) { string s; cin >> s; ll a = 0; int j = 0; int k = 9; for (; j < s.size(); ++j) { if (s[j] == '.') { break; } a = a * 10 + s[j] - '0'; } if (j != s.size()) { for (++j; j < s.size(); ++j) { a = a * 10 + s[j] - '0'; --k; } } rep(_, k) a *= 10; int m2 = 0; int m5 = 0; while (a % 2 == 0) { m2++; a /= 2; } while (a % 5 == 0) { m5++; a /= 5; } // printe("[%d %d] %lld\n", m2, m5, a); rep(a, 20) rep(b, 20) { if (a + m2 < 18) continue; if (b + m5 < 18) continue; ret += cnt[a][b]; if (cnt[a][b] > 0) printe("%d %d (%d)\n", a, b, cnt[a][b]); } cnt[min(m2, 18)][min(m5, 18)]++; // printe("[%d,%d]\n", m2, m5); // if (m2 * 2 >= 9 && m5 * 2 >= 9) ret--; } cout << ret << endl; }
#define _USE_MATH_DEFINES #define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING #define _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS #define _CRT_SECURE_NO_WARNINGS #pragma GCC target("avx") // #include <bits/stdc++.h> #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <cstdio> #include <cstring> #include <ctime> #include <fstream> #include <functional> #include <iostream> #include <map> #include <queue> #include <set> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> #include <emmintrin.h> #include <mmintrin.h> #include <nmmintrin.h> using namespace std; #define dprint(Exp, ...) \ if (Exp) { \ fprintf(stderr, __VA_ARGS__); \ } #define printe(...) fprintf(stderr, __VA_ARGS__); // #define printe(...) void(); #define printE(...) fprintf(stderr, __VA_ARGS__); // #define printE(...) void(); #define PrtExp(_Exp) cerr << #_Exp << " = " << (_Exp) #define PrtExpN(_Exp) cerr << #_Exp << " = " << (_Exp) << "\n" #define SINT(n) scanf("%d", &n) #define SINT2(n, m) scanf("%d %d", &n, &m) #define SINT3(n, m, o) scanf("%d %d %d", &n, &m, &o) #define SINT4(n, m, o, P) scanf("%d %d %d %d", &n, &m, &o, &P) #define SINT5(n, m, o, P, q) scanf("%d %d %d %d %d", &n, &m, &o, &P, &q) #define SLL(n) scanf("%lld", &n) #define SLL2(n, m) scanf("%lld %lld", &n, &m) #define SLL3(n, m, o) scanf("%lld %lld %lld", &n, &m, &o) #define SST(s) scanf("%s", s) #define SCH(c) scanf("%c", &c) #define GC() getchar() #define PINT(n) printf("%d", (int)(n)) #define PINT2(n, m) printf("%d %d", (int)(n), (int)(m)) #define PINT3(n, m, l) printf("%d %d %d", (int)(n), (int)(m), (int)(l)) #define PLL(n) printf("%lld", (long long)(n)) #define PST(s) printf("%s", (s)) #define PCH(s) printf("%c", (s)) #define PINTN(n) printf("%d\n", (int)(n)) #define PINT2N(n, m) printf("%d %d\n", (int)(n), (int)(m)) #define PINT3N(n, m, l) printf("%d %d %d\n", (int)(n), (int)(m), (int)(l)) #define PLLN(n) printf("%lld\n", (long long)(n)) #define PSTN(s) printf("%s\n", (s)) #define PCHN(s) printf("%c\n", (s)) #define PSP() printf(" ") #define PN() printf("\n") #define PC(c) putchar(c) #define CSP (' ') #define SN ("\n") #define rep(i, a) for (int i = 0; i < a; i++) #define reP(i, a) for (int i = 0; i <= a; i++) #define Rep(i, a) for (int i = a - 1; i >= 0; i--) #define ReP(i, a) for (int i = a; i >= 0; i--) #define rEp(i, a) for (i = 0; i < a; i++) #define rEP(i, a) for (i = 0; i <= a; i++) #define REp(i, a) for (i = a - 1; i >= 0; i--) #define REP(i, a) for (i = a; i >= 0; i--) #define repft(i, a, b) for (int i = a; i < b; i++) #define repfT(i, a, b) for (int i = a; i <= b; i++) #define Repft(i, a, b) for (int i = a - 1; i >= b; i--) #define RepfT(i, a, b) for (int i = a; i >= b; i--) #define foreach(a, it) for (auto it = a.begin(); it != a.end(); ++it) #define FILL(a, v) fill(begin(a), end(a), v) #define FILL0(a) memset(a, 0, sizeof(a)) #define FILL1(a) memset(a, -1, sizeof(a)) typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> Pi; typedef pair<ll, ll> Pll; const int INF = 1'010'000'000; // 0x3C33'6080 const ll INFLL = 0x1f1f1f1f1f1f1f1fLL; // 2,242,545,357,980,376,863 template <class A, class B> inline ostream &operator<<(ostream &st, const pair<A, B> &P) { return st << "(" << P.first << "," << P.second << ")"; }; template <class A, class B> inline pair<A, B> operator+(const pair<A, B> &P, const pair<A, B> &Q) { return pair<A, B>(P.first + Q.first, P.second + Q.second); }; template <class A, class B> inline pair<A, B> operator-(const pair<A, B> &P, const pair<A, B> &Q) { return pair<A, B>(P.first - Q.first, P.second - Q.second); }; #define fs first #define sc second int bitCount(unsigned long long bits) { #if _MSC_VER >= 1920 || __INTEL_COMPILER return _mm_popcnt_u64(bits); #else return __builtin_popcountll(bits); #endif } ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } int cnt[20][20]; int main() { int n; cin >> n; const ll E9 = 1000000000; ll ret = 0; rep(i, n) { string s; cin >> s; ll a = 0; int j = 0; int k = 9; for (; j < s.size(); ++j) { if (s[j] == '.') { break; } a = a * 10 + s[j] - '0'; } if (j != s.size()) { for (++j; j < s.size(); ++j) { a = a * 10 + s[j] - '0'; --k; } } rep(_, k) a *= 10; int m2 = 0; int m5 = 0; while (a % 2 == 0) { m2++; a /= 2; } while (a % 5 == 0) { m5++; a /= 5; } // printe("[%d %d] %lld\n", m2, m5, a); rep(a, 20) rep(b, 20) { if (a + m2 < 18) continue; if (b + m5 < 18) continue; ret += cnt[a][b]; // if (cnt[a][b] > 0) printe("%d %d (%d)\n", a, b, cnt[a][b]); } cnt[min(m2, 18)][min(m5, 18)]++; // printe("[%d,%d]\n", m2, m5); // if (m2 * 2 >= 9 && m5 * 2 >= 9) ret--; } cout << ret << endl; }
replace
182
184
182
183
TLE
p02588
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<vector<int>> cnt(20, vector<int>(20)); vector<pair<int, int>> a; for (int i = 0; i < n; i++) { string s; cin >> s; long long x = 0; bool found = false; for (int i = 0; i < (int)s.size(); i++) { if (s[i] != '.') (x *= 10) += s[i] - '0'; else found = true; } if (!found) { x *= (long long)1e9; } else { int cur = 0; while (s.back() != '.') { ++cur; s.pop_back(); } for (int it = 0; it < 9 - cur; it++) x *= 10; } int cnt2 = 0; long long y = x; while (y % 2 == 0) { ++cnt2; y /= 2; } int cnt5 = 0; y = x; while (y % 5 == 0) { ++cnt5; y /= 5; } ++cnt[min(18, cnt2)][min(18, cnt5)]; a.emplace_back(cnt2, cnt5); } for (int i = 18; i >= 0; i--) { for (int j = 18; j >= 0; j--) { cnt[i][j] += cnt[i + 1][j] + cnt[i][j + 1] - cnt[i + 1][j + 1]; } } long long res = 0; for (auto x : a) { res += cnt[18 - x.first][18 - x.second] - (x.first >= 9 && x.second >= 9); } res /= 2; cout << res << '\n'; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<vector<int>> cnt(20, vector<int>(20)); vector<pair<int, int>> a; for (int i = 0; i < n; i++) { string s; cin >> s; long long x = 0; bool found = false; for (int i = 0; i < (int)s.size(); i++) { if (s[i] != '.') (x *= 10) += s[i] - '0'; else found = true; } if (!found) { x *= (long long)1e9; } else { int cur = 0; while (s.back() != '.') { ++cur; s.pop_back(); } for (int it = 0; it < 9 - cur; it++) x *= 10; } int cnt2 = 0; long long y = x; while (y % 2 == 0) { ++cnt2; y /= 2; } int cnt5 = 0; y = x; while (y % 5 == 0) { ++cnt5; y /= 5; } ++cnt[min(18, cnt2)][min(18, cnt5)]; a.emplace_back(min(18, cnt2), min(18, cnt5)); } for (int i = 18; i >= 0; i--) { for (int j = 18; j >= 0; j--) { cnt[i][j] += cnt[i + 1][j] + cnt[i][j + 1] - cnt[i + 1][j + 1]; } } long long res = 0; for (auto x : a) { res += cnt[18 - x.first][18 - x.second] - (x.first >= 9 && x.second >= 9); } res /= 2; cout << res << '\n'; return 0; }
replace
46
47
46
47
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; /////////////////////////////////////////// const long long int INF = 1LL << 60; const long long int Mod = 1000000007; using ll = long long int; using ci = const int; using vi = vector<int>; using Vi = vector<long long int>; using P = pair<int, int>; using PLL = pair<ll, ll>; using matrix = vector<vector<ll>>; #define pb(x) push_back(x) #define mp(x, y) make_pair(x, y) #define all(x) (x).begin(), (x).end() #define rp(i, N) for (ll i = 0; i < (ll)N; i++) #define repi(i, a, b) for (ll i = ll(a); i < ll(b); ++i) template <class T> bool chmax(T &former, const T &b) { if (former < b) { former = b; return true; } return false; } template <class T> bool chmin(T &former, const T &b) { if (b < former) { former = b; return true; } return false; } template <class T> T sqar(T x) { return x * x; } // sqrt(x)は平方根; #define Sort(v) \ std::sort(v.begin(), v.end(), \ std::greater<decltype(v[0])>()) // 降順でVをソート #define p_queue(v) priority_queue<v, vector<v>, greater<v>> template <class T> inline void princ(T x) { cout << x << " "; }; template <class T> inline void print(T x) { cout << x << "\n"; }; template <class T> inline void Yes(T condition) { if (condition) cout << "Yes" << endl; else cout << "No" << endl; } template <class T> inline void YES(T condition) { if (condition) cout << "YES" << endl; else cout << "NO" << endl; } /////////////////////////////////////////////////////////////////////////////////// void solve() { ll n; cin >> n; Vi a(n); rp(i, n) { string s; cin >> s; int si = s.size(); bool point = false; int num = 0; rp(j, si) { if (s[j] == '.') { point = true; num = si - j - 1; continue; } if (point) { s[j - 1] = s[j]; } } if (point) s[si - 1] = '0'; ll aa = stoll(s); if (!point) aa *= 1000000000; else { rp(j, 9 - num - 1) aa *= 10; if (num == 9) aa /= 10; } a[i] = aa; } matrix mat(19, Vi(19, 0)), summat(19, Vi(19, 0)); rp(i, n) { ll t = 0, f = 0; ll as = a[i]; while (as % 2 == 0) { as /= 2; t++; } while (as % 5 == 0) { as /= 5; f++; } mat[t][f]++; } for (ll i = 18; i >= 0; i--) { for (ll j = 18; j >= 0; j--) { if (i == 18 && j == 18) { summat[i][j] = mat[i][j]; continue; } if (i == 18) { summat[i][j] = summat[i][j + 1] + mat[i][j]; continue; } if (j == 18) { summat[i][j] = summat[i + 1][j] + mat[i][j]; continue; } summat[i][j] = summat[i + 1][j] + summat[i][j + 1] - summat[i + 1][j + 1] + mat[i][j]; } } ll ans = 0; rp(i, 19) { rp(j, 19) { if (i >= 9 && j >= 9) { ans += mat[i][j] * (summat[18 - i][18 - j] - 1); continue; } ans += mat[i][j] * summat[18 - i][18 - j]; } } ans /= 2; print(ans); return; } int main() { cin.tie(0); ios::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(30); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; /////////////////////////////////////////// const long long int INF = 1LL << 60; const long long int Mod = 1000000007; using ll = long long int; using ci = const int; using vi = vector<int>; using Vi = vector<long long int>; using P = pair<int, int>; using PLL = pair<ll, ll>; using matrix = vector<vector<ll>>; #define pb(x) push_back(x) #define mp(x, y) make_pair(x, y) #define all(x) (x).begin(), (x).end() #define rp(i, N) for (ll i = 0; i < (ll)N; i++) #define repi(i, a, b) for (ll i = ll(a); i < ll(b); ++i) template <class T> bool chmax(T &former, const T &b) { if (former < b) { former = b; return true; } return false; } template <class T> bool chmin(T &former, const T &b) { if (b < former) { former = b; return true; } return false; } template <class T> T sqar(T x) { return x * x; } // sqrt(x)は平方根; #define Sort(v) \ std::sort(v.begin(), v.end(), \ std::greater<decltype(v[0])>()) // 降順でVをソート #define p_queue(v) priority_queue<v, vector<v>, greater<v>> template <class T> inline void princ(T x) { cout << x << " "; }; template <class T> inline void print(T x) { cout << x << "\n"; }; template <class T> inline void Yes(T condition) { if (condition) cout << "Yes" << endl; else cout << "No" << endl; } template <class T> inline void YES(T condition) { if (condition) cout << "YES" << endl; else cout << "NO" << endl; } /////////////////////////////////////////////////////////////////////////////////// void solve() { ll n; cin >> n; Vi a(n); rp(i, n) { string s; cin >> s; int si = s.size(); bool point = false; int num = 0; rp(j, si) { if (s[j] == '.') { point = true; num = si - j - 1; continue; } if (point) { s[j - 1] = s[j]; } } if (point) s[si - 1] = '0'; ll aa = stoll(s); if (!point) aa *= 1000000000; else { rp(j, 9 - num - 1) aa *= 10; if (num == 9) aa /= 10; } a[i] = aa; } matrix mat(19, Vi(19, 0)), summat(19, Vi(19, 0)); rp(i, n) { ll t = 0, f = 0; ll as = a[i]; while (as % 2 == 0) { as /= 2; t++; } while (as % 5 == 0) { as /= 5; f++; } if (t > 18) t = 18; if (f > 18) f = 18; mat[t][f]++; } for (ll i = 18; i >= 0; i--) { for (ll j = 18; j >= 0; j--) { if (i == 18 && j == 18) { summat[i][j] = mat[i][j]; continue; } if (i == 18) { summat[i][j] = summat[i][j + 1] + mat[i][j]; continue; } if (j == 18) { summat[i][j] = summat[i + 1][j] + mat[i][j]; continue; } summat[i][j] = summat[i + 1][j] + summat[i][j + 1] - summat[i + 1][j + 1] + mat[i][j]; } } ll ans = 0; rp(i, 19) { rp(j, 19) { if (i >= 9 && j >= 9) { ans += mat[i][j] * (summat[18 - i][18 - j] - 1); continue; } ans += mat[i][j] * summat[18 - i][18 - j]; } } ans /= 2; print(ans); return; } int main() { cin.tie(0); ios::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(30); solve(); return 0; }
insert
96
96
96
100
0
p02588
C++
Runtime Error
#line 2 "/Users/kaage/Desktop/ProgrammingWorkspace/library/other/template.hpp" #define _CRT_SECURE_NO_WARNINGS #pragma target("avx2") #pragma optimize("O3") #pragma optimize("unroll-loops") #include <algorithm> #include <bitset> #include <cassert> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <ctime> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <list> #include <map> #include <memory> #include <queue> #include <random> #include <set> #include <stack> #include <string.h> #include <string> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> #define rep(i, n) for (int i = 0; i < (n); i++) #define REP(i, n) for (int i = 1; i <= (n); i++) #define all(V) V.begin(), V.end() typedef long long lint; typedef unsigned long long ulint; typedef std::pair<int, int> P; typedef std::pair<lint, lint> LP; constexpr int INF = INT_MAX / 2; constexpr lint LINF = LLONG_MAX / 2; constexpr double eps = DBL_EPSILON; constexpr double PI = 3.141592653589793238462643383279; template <class T> class prique : public std::priority_queue<T, std::vector<T>, std::greater<T>> { }; template <class T, class U> inline bool chmax(T &lhs, const U &rhs) { if (lhs < rhs) { lhs = rhs; return 1; } return 0; } template <class T, class U> inline bool chmin(T &lhs, const U &rhs) { if (lhs > rhs) { lhs = rhs; return 1; } return 0; } inline lint gcd(lint a, lint b) { while (b) { lint c = a; a = b; b = c % b; } return a; } inline lint lcm(lint a, lint b) { return a / gcd(a, b) * b; } bool isprime(lint n) { if (n == 1) return false; for (int i = 2; i * i <= n; i++) { if (n % i == 0) return false; } return true; } template <typename T> T mypow(T a, lint b) { T res(1); while (b) { if (b & 1) res *= a; a *= a; b >>= 1; } return res; } lint modpow(lint a, lint b, lint m) { lint res(1); while (b) { if (b & 1) { res *= a; res /= m; } a *= a; a /= m; b >>= 1; } return res; } template <typename T> void printArray(std::vector<T> &vec) { rep(i, vec.size()) { std::cout << vec[i]; std::cout << (i == (int)vec.size() - 1 ? "\n" : " "); } } template <typename T> void printArray(T l, T r) { T rprev = std::prev(r); for (T i = l; i != rprev; i++) { std::cout << *i << " "; } std::cout << *rprev << std::endl; } #line 2 "main.cpp" int n, c[100010], d[10][45][20], e[100010], f[100010]; std::string a[100010]; int main() { std::cin >> n; rep(i, n) { std::cin >> a[i]; lint b = 0; bool g = false; rep(j, a[i].size()) { if (a[i][j] == '.') g = true; else { if (g) c[i]++; b *= 10; b += a[i][j] - '0'; } } while (b % 2 == 0) { e[i]++; b /= 2; } while (b % 5 == 0) { f[i]++; b /= 5; } d[c[i]][e[i]][f[i]]++; } rep(i, 10) { for (int j = 43; j >= 0; j--) { for (int k = 19; k >= 0; k--) d[i][j][k] += d[i][j + 1][k]; } for (int j = 44; j >= 0; j--) { for (int k = 18; k >= 0; k--) d[i][j][k] += d[i][j][k + 1]; } } lint ans = 0; rep(i, n) { if (c[i] * 2 - e[i] <= e[i] && c[i] * 2 - f[i] <= f[i]) ans--; rep(j, 10) { ans += d[j][std::max(0, c[i] + j - e[i])][std::max(0, c[i] + j - f[i])]; } } std::cout << ans / 2 << std::endl; return 0; }
#line 2 "/Users/kaage/Desktop/ProgrammingWorkspace/library/other/template.hpp" #define _CRT_SECURE_NO_WARNINGS #pragma target("avx2") #pragma optimize("O3") #pragma optimize("unroll-loops") #include <algorithm> #include <bitset> #include <cassert> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <ctime> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <list> #include <map> #include <memory> #include <queue> #include <random> #include <set> #include <stack> #include <string.h> #include <string> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> #define rep(i, n) for (int i = 0; i < (n); i++) #define REP(i, n) for (int i = 1; i <= (n); i++) #define all(V) V.begin(), V.end() typedef long long lint; typedef unsigned long long ulint; typedef std::pair<int, int> P; typedef std::pair<lint, lint> LP; constexpr int INF = INT_MAX / 2; constexpr lint LINF = LLONG_MAX / 2; constexpr double eps = DBL_EPSILON; constexpr double PI = 3.141592653589793238462643383279; template <class T> class prique : public std::priority_queue<T, std::vector<T>, std::greater<T>> { }; template <class T, class U> inline bool chmax(T &lhs, const U &rhs) { if (lhs < rhs) { lhs = rhs; return 1; } return 0; } template <class T, class U> inline bool chmin(T &lhs, const U &rhs) { if (lhs > rhs) { lhs = rhs; return 1; } return 0; } inline lint gcd(lint a, lint b) { while (b) { lint c = a; a = b; b = c % b; } return a; } inline lint lcm(lint a, lint b) { return a / gcd(a, b) * b; } bool isprime(lint n) { if (n == 1) return false; for (int i = 2; i * i <= n; i++) { if (n % i == 0) return false; } return true; } template <typename T> T mypow(T a, lint b) { T res(1); while (b) { if (b & 1) res *= a; a *= a; b >>= 1; } return res; } lint modpow(lint a, lint b, lint m) { lint res(1); while (b) { if (b & 1) { res *= a; res /= m; } a *= a; a /= m; b >>= 1; } return res; } template <typename T> void printArray(std::vector<T> &vec) { rep(i, vec.size()) { std::cout << vec[i]; std::cout << (i == (int)vec.size() - 1 ? "\n" : " "); } } template <typename T> void printArray(T l, T r) { T rprev = std::prev(r); for (T i = l; i != rprev; i++) { std::cout << *i << " "; } std::cout << *rprev << std::endl; } #line 2 "main.cpp" int n, c[200010], d[10][45][20], e[200010], f[200010]; std::string a[200010]; int main() { std::cin >> n; rep(i, n) { std::cin >> a[i]; lint b = 0; bool g = false; rep(j, a[i].size()) { if (a[i][j] == '.') g = true; else { if (g) c[i]++; b *= 10; b += a[i][j] - '0'; } } while (b % 2 == 0) { e[i]++; b /= 2; } while (b % 5 == 0) { f[i]++; b /= 5; } d[c[i]][e[i]][f[i]]++; } rep(i, 10) { for (int j = 43; j >= 0; j--) { for (int k = 19; k >= 0; k--) d[i][j][k] += d[i][j + 1][k]; } for (int j = 44; j >= 0; j--) { for (int k = 18; k >= 0; k--) d[i][j][k] += d[i][j][k + 1]; } } lint ans = 0; rep(i, n) { if (c[i] * 2 - e[i] <= e[i] && c[i] * 2 - f[i] <= f[i]) ans--; rep(j, 10) { ans += d[j][std::max(0, c[i] + j - e[i])][std::max(0, c[i] + j - f[i])]; } } std::cout << ans / 2 << std::endl; return 0; }
replace
115
117
115
117
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> #define llong long long #define mkpr make_pair #define x first #define y second #define iter iterator #define riter reverse_iterator #define y1 Lorem_ipsum_ #define tm dolor_sit_amet_ using namespace std; inline int read() { int x = 0, f = 1; char ch = getchar(); for (; !isdigit(ch); ch = getchar()) { if (ch == '-') f = -1; } for (; isdigit(ch); ch = getchar()) { x = x * 10 + ch - 48; } return x * f; } const int mxN = 2e5; const int mxW = 100; double a[mxN + 3]; int a1[mxW + 3], a2[mxW + 3]; int s[mxW + 3][mxW + 3]; int n; int main() { n = read(); for (int i = 1; i <= n; i++) { scanf("%lf", &a[i]); a[i] *= 1000000000.0; llong x = (llong)(a[i] + 0.5); while (x % 2 == 0) { a1[i]++; x /= 2; } while (x % 5 == 0) { a2[i]++; x /= 5; } s[a1[i]][a2[i]]++; } llong ans = 0ll; for (int i = mxW; i >= 0; i--) for (int j = mxW; j >= 0; j--) { s[i][j] += s[i + 1][j] + s[i][j + 1] - s[i + 1][j + 1]; } for (int i = 1; i <= n; i++) { ans += s[max(0, 18 - a1[i])][max(0, 18 - a2[i])]; } ans -= s[9][9]; printf("%lld\n", ans / 2ll); return 0; }
#include <bits/stdc++.h> #define llong long long #define mkpr make_pair #define x first #define y second #define iter iterator #define riter reverse_iterator #define y1 Lorem_ipsum_ #define tm dolor_sit_amet_ using namespace std; inline int read() { int x = 0, f = 1; char ch = getchar(); for (; !isdigit(ch); ch = getchar()) { if (ch == '-') f = -1; } for (; isdigit(ch); ch = getchar()) { x = x * 10 + ch - 48; } return x * f; } const int mxN = 2e5; const int mxW = 100; double a[mxN + 3]; int a1[mxN + 3], a2[mxN + 3]; int s[mxW + 3][mxW + 3]; int n; int main() { n = read(); for (int i = 1; i <= n; i++) { scanf("%lf", &a[i]); a[i] *= 1000000000.0; llong x = (llong)(a[i] + 0.5); while (x % 2 == 0) { a1[i]++; x /= 2; } while (x % 5 == 0) { a2[i]++; x /= 5; } s[a1[i]][a2[i]]++; } llong ans = 0ll; for (int i = mxW; i >= 0; i--) for (int j = mxW; j >= 0; j--) { s[i][j] += s[i + 1][j] + s[i][j + 1] - s[i + 1][j + 1]; } for (int i = 1; i <= n; i++) { ans += s[max(0, 18 - a1[i])][max(0, 18 - a2[i])]; } ans -= s[9][9]; printf("%lld\n", ans / 2ll); return 0; }
replace
27
28
27
28
0
p02588
C++
Runtime Error
#include <algorithm> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <string> #include <vector> using namespace std; // マクロ&定数&関数 ================================================ typedef unsigned int uint; typedef long long ll; typedef pair<ll, ll> pll; typedef vector<int> vint; typedef vector<ll> vll; typedef vector<double> vdouble; typedef vector<bool> vbool; typedef vector<string> vstring; typedef vector<pair<int, int>> vpint; typedef vector<pair<ll, ll>> vpll; typedef vector<pair<double, double>> vpdouble; typedef vector<vector<int>> vvint; typedef vector<vector<ll>> vvll; typedef vector<vpint> vvpint; typedef vector<vpll> vvpll; typedef vector<vector<double>> vvdouble; typedef vector<vector<string>> vvstring; typedef vector<vector<bool>> vvbool; typedef vector<vector<vector<ll>>> vvvll; const int INF = 1e9 + 1; const ll LLINF = 1e17 + 1; const int DX[9] = {0, 0, 1, -1, 1, 1, -1, -1, 0}; // 4;4近傍 const int DY[9] = {1, -1, 0, 0, 1, -1, 1, -1, 0}; // 8:8近傍 9:(0,0)を含む const double PI = 3.14159265358979323846264338327950288; // VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV const ll MOD = 1000000007; // 10^9 + 7 // VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } else return false; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } else return false; } //--------------------------------------------------------------- // オーバーフローチェック //--------------------------------------------------------------- void is_overflow(ll a, ll b) { if ((a * b) / b != a) cout << "OVERFLOW!!!!!" << endl; } //--------------------------------------------------------------- // 約数列挙 //--------------------------------------------------------------- vll divisor(ll n) { vll ret; for (ll i = 1; i * i <= n; i++) { if (n % i == 0) { ret.push_back(i); if (i * i != n) ret.push_back(n / i); } } sort(begin(ret), end(ret)); return (ret); } //--------------------------------------------------------------- // N以下のすべての素数を列挙する(エラトステネスの篩) //--------------------------------------------------------------- vbool searchSosuu(ll N) { vbool sosuu; for (ll i = 0; i < N; i++) { sosuu.emplace_back(true); } sosuu[0] = false; sosuu[1] = false; for (ll i = 2; i < N; i++) { if (sosuu[i]) { for (ll j = 2; i * j < N; j++) { sosuu[i * j] = false; } } } return sosuu; } //--------------------------------------------------------------- // 素因数分解 O(√N) //--------------------------------------------------------------- vpll div_prime(ll n) { vpll prime_factor; for (ll i = 2; i * i <= n; i++) { ll count = 0; while (n % i == 0) { count++; n /= i; } if (count) { pair<ll, ll> temp = {i, count}; prime_factor.emplace_back(temp); } } if (n != 1) { pair<ll, ll> temp = {n, 1}; prime_factor.emplace_back(temp); } return prime_factor; } //--------------------------------------------------------------- // 素数判定 //--------------------------------------------------------------- bool is_sosuu(ll N) { if (N < 2) return false; else if (N == 2) return true; else if (N % 2 == 0) return false; for (ll i = 3; i <= sqrt(N); i += 2) { if (N % i == 0) return false; } return true; } //--------------------------------------------------------------- // 最大公約数(ユークリッドの互除法) //--------------------------------------------------------------- ll gcd(ll a, ll b) { if (a < b) { ll tmp = a; a = b; b = tmp; } ll r = a % b; while (r != 0) { a = b; b = r; r = a % b; } return b; } //--------------------------------------------------------------- // 最小公倍数 //--------------------------------------------------------------- ll lcm(ll a, ll b) { ll temp = gcd(a, b); return temp * (a / temp) * (b / temp); } //--------------------------------------------------------------- // 階乗 //--------------------------------------------------------------- ll factorial(ll n) { if (n <= 1) { return 1; } return (n * (factorial(n - 1))) % MOD; } //--------------------------------------------------------------- // 高速コンビネーション計算(前処理:O(N) 計算:O(1)) //--------------------------------------------------------------- // テーブルを作る前処理 ll comb_const = 300005; vll fac(comb_const), finv(comb_const), inv(comb_const); bool COMineted = false; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (ll i = 2; i < comb_const; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } COMineted = true; } // 二項係数計算 ll COM(ll n, ll k) { if (COMineted == false) COMinit(); if (n < k) return 0; if (n < 0 || k < 0) return 0; return (fac[n] * (finv[k] * finv[n - k] % MOD)) % MOD; } //--------------------------------------------------------------- // 繰り返し2乗法 base^sisuu //--------------------------------------------------------------- ll RepeatSquaring(ll base, ll sisuu, ll mod = MOD) { if (sisuu < 0) { cout << "RepeatSquaring: 指数が負です!" << endl; return 0; } if (sisuu == 0) return 1; if (sisuu % 2 == 0) { ll t = RepeatSquaring(base, sisuu / 2, mod) % mod; return (t * t) % mod; } return (base * RepeatSquaring(base, sisuu - 1, mod)) % mod; } //--------------------------------------------------------------- // 高速単発コンビネーション計算(O(logN)) //--------------------------------------------------------------- ll fast_com(ll a, ll b) { ll bunshi = 1; ll bunbo = 1; for (ll i = 1; i <= b; i++) { bunbo *= i; bunbo %= MOD; bunshi *= (a - i + 1); bunshi %= MOD; } ll ret = bunshi * RepeatSquaring(bunbo, MOD - 2, MOD); ret %= MOD; while (ret < 0) { ret += MOD; } return ret; } //--------------------------------------------------------------- // 整数をビットのリストに変換する ll->vbool //--------------------------------------------------------------- vbool to_bitlist(ll bit, ll fixed_size = 1) { if (bit == 0) return vbool(fixed_size, 0); vbool list; while (bit > 0) { list.emplace_back(bit & 1); bit /= 2; } while (list.size() < fixed_size) { list.emplace_back(0); } return list; } //--------------------------------------------------------------- // 座標圧縮(O(NlogN)) 0スタートであることに注意! //--------------------------------------------------------------- class PosPress { /* 配列Pを座圧→instance = PosPress(P); 座圧済み配列→instance.arr fooの圧縮後→instance.func[foo] fooの圧縮前→instance.rev[foo] */ public: vll arr; map<ll, ll> func; map<ll, ll> rev; PosPress(vll P) { arr = P; sort(P.begin(), P.end()); func[P[0]] = 0; rev[0] = P[0]; ll next = 1; for (int i = 1; i < P.size(); i++) { if (P[i] != P[i - 1]) { func[P[i]] = next; rev[next] = P[i]; next++; } } for (int i = 0; i < P.size(); i++) { arr[i] = func[arr[i]]; } } }; //--------------------------------------------------------------- // 行列累乗(O(N^3)) //--------------------------------------------------------------- vvll mat_cross(vvll A, vvll B) { ll N = A.size(); ll K = B.size(); ll M = B[0].size(); vvll C(N, vll(M)); for (int i = 0; i < N; i++) for (int j = 0; j < M; j++) for (int k = 0; k < K; k++) C[i][j] += A[i][k] * B[k][j]; return C; } //--------------------------------------------------------------- // 2直線の交差判定(直線(x1, y1)->(x2, y2) と 直線(X1, Y1)->(X2, Y2)) //--------------------------------------------------------------- bool is_cross(ll x1, ll y1, ll x2, ll y2, ll X1, ll Y1, ll X2, ll Y2) { ll dx_ai = X1 - x1; ll dy_ai = Y1 - y1; ll dx_bi = X1 - x2; ll dy_bi = Y1 - y2; ll dx_ai2 = X2 - x1; ll dy_ai2 = Y2 - y1; ll dx_bi2 = X2 - x2; ll dy_bi2 = Y2 - y2; ll si = dx_ai * dy_bi - dy_ai * dx_bi; ll si2 = dx_ai2 * dy_bi2 - dy_ai2 * dx_bi2; ll si3 = dx_ai * dy_ai2 - dy_ai * dx_ai2; ll si4 = dx_bi * dy_bi2 - dy_bi * dx_bi2; return (si * si2 < 0 && si3 * si4 < 0); } //--------------------------------------------------------------- // 最長増加部分列の長さ(O(NlogN)) //--------------------------------------------------------------- ll LSI(vll vec) { ll size = vec.size(); vll lsi(size + 1); // 長さjを作った時の右端の最小値 for (ll i = 0; i <= size; i++) { lsi[i] = LLINF; } lsi[0] = 0; lsi[1] = vec[0]; for (ll i = 1; i < size; i++) { // 初めてvec[i]の方が小さくなるところを探す auto Iter = lower_bound(lsi.begin(), lsi.end(), vec[i]); ll idx = Iter - lsi.begin(); if (idx > 0 && lsi[idx - 1] < vec[i]) { lsi[idx] = vec[i]; } } for (ll i = size; i >= 0; i--) { if (lsi[i] < LLINF) { return i; } } } //--------------------------------------------------------------- // LCS(最長共通部分列) O(|S||T|) //--------------------------------------------------------------- string LCS(string S, string T) { vvll dp(S.length() + 1); for (int i = 0; i < dp.size(); i++) { vll t(T.length() + 1, 0); dp[i] = t; } for (int i = 0; i < S.length(); i++) { for (int j = 0; j < T.length(); j++) { dp[i + 1][j + 1] = max({dp[i][j] + ll(S[i] == T[j]), dp[i + 1][j], dp[i][j + 1], dp[i + 1][j + 1]}); } } ll len = dp[S.length()][T.length()]; string ans = ""; ll i = dp.size() - 1; ll j = dp[0].size() - 1; while (len > 0) { if (dp[i - 1][j] == len) { i--; } else if (dp[i][j - 1] == len) { j--; } else { ans += S[i - 1]; i--; j--; len--; } } reverse(ans.begin(), ans.end()); return ans; } //--------------------------------------------------------------- // 木の根からの深さ //--------------------------------------------------------------- vll tree_depth(vvll edge, ll start_node) { ll n_node = edge.size(); vll dist(n_node, LLINF); dist[start_node] = 0; stack<pll> S; S.push({start_node, 0}); while (!S.empty()) { ll node = S.top().first; ll d = S.top().second; dist[node] = d; S.pop(); for (int i = 0; i < edge[node].size(); i++) { if (dist[edge[node][i]] == LLINF) { S.push({edge[node][i], d + 1}); } } } return dist; } //--------------------------------------------------------------- // ワーシャルフロイド法(O(N^3)) d: 正方行列(N*N) //--------------------------------------------------------------- vvll warshall_floyd(vvll d) { ll n = d.size(); for (int k = 0; k < n; k++) { // 経由する頂点 for (int i = 0; i < n; i++) { // 始点 for (int j = 0; j < n; j++) { // 終点 d[i][j] = min(d[i][j], d[i][k] + d[k][j]); } } } return d; } //--------------------------------------------------------------- // Union Find //--------------------------------------------------------------- class UnionFind { public: /* UnionFind uf(要素の個数); for(int i = 0;i < 関係の個数; i++) { uf.merge(A[i], B[i]); } nを含む集合の大きさ = uf.size(n) nを含む集合の代表者 = uf.root(n) 集合の個数 = uf.n_group */ vector<ll> par; // 各元の親を表す配列 vector<ll> siz; // 素集合のサイズを表す配列(1 で初期化) ll n_group; // 集合の数 // Constructor UnionFind(ll sz_) : par(sz_), siz(sz_, 1LL) { for (ll i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 n_group = sz_; } void init(ll sz_) { par.resize(sz_); siz.assign(sz_, 1LL); // resize だとなぜか初期化されなかった for (ll i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 } // Member Function // Find ll root(ll x) { // 根の検索 while (par[x] != x) { x = par[x] = par[par[x]]; // x の親の親を x の親とする } return x; } // Union(Unite, Merge) bool merge(ll x, ll y) { x = root(x); y = root(y); if (x == y) return false; // merge technique(データ構造をマージするテク.小を大にくっつける) if (siz[x] < siz[y]) swap(x, y); siz[x] += siz[y]; par[y] = x; n_group--; return true; } bool issame(ll x, ll y) { // 連結判定 return root(x) == root(y); } ll size(ll x) { // 素集合のサイズ return siz[root(x)]; } }; //--------------------------------------------------------------- // ダイクストラ(O(ElogV)) edge: 隣接リスト from->pair{to, cost} //--------------------------------------------------------------- class Dijkstra { public: vll dist; // iまでの最短距離 vll past; // (iまで最短で行くときの一つ前) // edge[i] -> {to, cost} Dijkstra(vvpll edge, ll start) : dist(edge.size(), LLINF), past(edge.size(), -1) { using Pi = pll; priority_queue<Pi, vector<Pi>, greater<Pi>> que; dist[start] = 0; que.emplace(dist[start], start); while (!que.empty()) { ll cost; int idx; tie(cost, idx) = que.top(); que.pop(); if (dist[idx] < cost) continue; for (int i = 0; i < edge[idx].size(); i++) { ll next_cost = cost + edge[idx][i].second; if (dist[edge[idx][i].first] <= next_cost) continue; dist[edge[idx][i].first] = next_cost; past[edge[idx][i].first] = idx; que.emplace(dist[edge[idx][i].first], edge[idx][i].first); } } } // goalまでの最短経路 vll shortest(ll goal) { vll ret; while (goal != -1) { ret.emplace_back(goal); goal = past[goal]; } reverse(ret.begin(), ret.end()); return ret; } }; //--------------------------------------------------------------- // LCA: 最近共通祖先 (O()) //--------------------------------------------------------------- class Lca { public: vll depth; // 根0からiまでの最短距離 vvll doubling; ll n_bit = 30; // edge[i] -> {to, cost} Lca(vvll edge) : doubling(50, vll(edge.size(), -1)) { // 深さ depth = tree_depth(edge, 0); // ダブリングで親を辿れるようにする // jから2^i回親を辿ったノード doubling[0][0] = -1; for (int i = 1; i < edge.size(); i++) for (int j : edge[i]) if (depth[i] > depth[j]) { doubling[0][i] = j; break; } for (int i = 1; i < n_bit; i++) for (int j = 0; j < edge.size(); j++) { if (doubling[i - 1][j] != -1) doubling[i][j] = doubling[i - 1][doubling[i - 1][j]]; else doubling[i][j] = -1; } } // aとbの最近共通祖先 ll get_lca(ll a, ll b) { // depth[a] >= depth[b]にする if (depth[a] < depth[b]) swap(a, b); ll oa = a; ll ob = b; ll d = depth[a] - depth[b]; // aをdだけさかのぼる。 vbool bit = to_bitlist(d, n_bit); for (int i = 0; i < n_bit; i++) if (bit[i]) a = doubling[i][a]; // depth[a] == depth[b]になっている。 for (int i = n_bit - 1; i >= 0; i--) { if (doubling[i][a] == doubling[i][b]) continue; a = doubling[i][a]; b = doubling[i][b]; } return a == b ? a : doubling[0][a]; } }; //--------------------------------------------------------------- // Z-algorithm(SとS[i:]の最長接頭辞長) O(|S|) //--------------------------------------------------------------- vll Zalgorithm(string S) { ll n = S.size(); vll Z(n, 0); ll start = -1; ll last = -1; for (ll i = 1; i < n; i++) { if (start >= 0) { Z[i] = min(Z[i - start], last - i); chmax(Z[i], 0LL); } while (i + Z[i] < S.size() && S[Z[i]] == S[i + Z[i]]) Z[i]++; if (last < i + Z[i]) { last = i + Z[i]; start = i; } } Z[0] = n; return Z; } //--------------------------------------------------------------- // セグメント木 //--------------------------------------------------------------- class SegmentTree { public: const ll SEG_LEN = 1 << 19; vector<set<ll>> seg; ll s; SegmentTree(vll A) : seg(SEG_LEN * 2, set<ll>({})) { s = A.size(); for (int i = 0; i < A.size(); i++) { seg[i + SEG_LEN] = {A[i]}; } for (int i = 0; i < A.size(); i++) { ll pos = i + SEG_LEN; while (true) { pos /= 2; if (pos <= 0) break; if (seg[pos * 2 + 1].size() < seg[pos * 2].size()) { seg[pos] = seg[pos * 2]; for (auto itr = seg[pos * 2 + 1].begin(); itr != seg[pos * 2 + 1].end(); ++itr) { seg[pos].insert(*itr); } } else { seg[pos] = seg[pos * 2 + 1]; for (auto itr = seg[pos * 2].begin(); itr != seg[pos * 2].end(); ++itr) { seg[pos].insert(*itr); } } } } } ll seg_max(ll left, ll right) { left += SEG_LEN; right += SEG_LEN + 1; set<ll> ret = {}; vbool used(s + 1, false); while (left < right) { while (left % 2 == 1) { if (seg[left].size()) { for (auto itr = seg[left].begin(); itr != seg[left].end(); ++itr) { if (!used[*itr]) { ret.insert(*itr); used[*itr] = true; } } } left++; } while (right % 2 == 1) { if (seg[right - 1].size()) { for (auto itr = seg[right - 1].begin(); itr != seg[right - 1].end(); ++itr) { if (!used[*itr]) { ret.insert(*itr); used[*itr] = true; } } } right--; } left /= 2; right /= 2; } return ret.size(); } }; //======================================================================== //======================================================================== //======================================================================== //======================================================================== double H(double x, double y) { return -x * y * log2(y); } int main() { //////================================== cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(25); //////================================== /* ~思いついたことはとりあえず絶対メモする!!~ */ ll N; cin >> N; vll count2(N, 0); vll count5(N, 0); for (int i = 0; i < N; i++) { string S; cin >> S; ll integer; ll small_len = -LLINF; // 小数部分の長さ for (int j = 0; j < S.length(); j++) { if (S[j] == '.') small_len = -1; small_len++; } ll beki = 9 - small_len; if (beki <= 9) { integer = stoi(S.substr(0, S.length() - small_len - 1)) * pow(10, 9); integer += stoi(S.substr(S.length() - small_len, small_len)) * pow(10, 9 - small_len); } else { integer = stoi(S) * pow(10, 9); } while (integer % 2 == 0) { integer /= 2; count2[i]++; } while (integer % 5 == 0) { integer /= 5; count5[i]++; } } ll M = 70; vvll accum(M, vll(M, 0)); // 2^i, 2^j for (int i = 0; i < N; i++) { accum[count2[i]][count5[i]]++; } ll ans = 0; for (int i = 0; i < N; i++) { ll need2 = 18 - count2[i]; ll need5 = 18 - count5[i]; for (int t = need2; t < M; t++) { for (int f = need5; f < M; f++) { ans += accum[t][f]; } } if (count2[i] >= need2 && count5[i] >= need5) ans--; } cout << ans / 2 << endl; }
#include <algorithm> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <string> #include <vector> using namespace std; // マクロ&定数&関数 ================================================ typedef unsigned int uint; typedef long long ll; typedef pair<ll, ll> pll; typedef vector<int> vint; typedef vector<ll> vll; typedef vector<double> vdouble; typedef vector<bool> vbool; typedef vector<string> vstring; typedef vector<pair<int, int>> vpint; typedef vector<pair<ll, ll>> vpll; typedef vector<pair<double, double>> vpdouble; typedef vector<vector<int>> vvint; typedef vector<vector<ll>> vvll; typedef vector<vpint> vvpint; typedef vector<vpll> vvpll; typedef vector<vector<double>> vvdouble; typedef vector<vector<string>> vvstring; typedef vector<vector<bool>> vvbool; typedef vector<vector<vector<ll>>> vvvll; const int INF = 1e9 + 1; const ll LLINF = 1e17 + 1; const int DX[9] = {0, 0, 1, -1, 1, 1, -1, -1, 0}; // 4;4近傍 const int DY[9] = {1, -1, 0, 0, 1, -1, 1, -1, 0}; // 8:8近傍 9:(0,0)を含む const double PI = 3.14159265358979323846264338327950288; // VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV const ll MOD = 1000000007; // 10^9 + 7 // VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } else return false; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } else return false; } //--------------------------------------------------------------- // オーバーフローチェック //--------------------------------------------------------------- void is_overflow(ll a, ll b) { if ((a * b) / b != a) cout << "OVERFLOW!!!!!" << endl; } //--------------------------------------------------------------- // 約数列挙 //--------------------------------------------------------------- vll divisor(ll n) { vll ret; for (ll i = 1; i * i <= n; i++) { if (n % i == 0) { ret.push_back(i); if (i * i != n) ret.push_back(n / i); } } sort(begin(ret), end(ret)); return (ret); } //--------------------------------------------------------------- // N以下のすべての素数を列挙する(エラトステネスの篩) //--------------------------------------------------------------- vbool searchSosuu(ll N) { vbool sosuu; for (ll i = 0; i < N; i++) { sosuu.emplace_back(true); } sosuu[0] = false; sosuu[1] = false; for (ll i = 2; i < N; i++) { if (sosuu[i]) { for (ll j = 2; i * j < N; j++) { sosuu[i * j] = false; } } } return sosuu; } //--------------------------------------------------------------- // 素因数分解 O(√N) //--------------------------------------------------------------- vpll div_prime(ll n) { vpll prime_factor; for (ll i = 2; i * i <= n; i++) { ll count = 0; while (n % i == 0) { count++; n /= i; } if (count) { pair<ll, ll> temp = {i, count}; prime_factor.emplace_back(temp); } } if (n != 1) { pair<ll, ll> temp = {n, 1}; prime_factor.emplace_back(temp); } return prime_factor; } //--------------------------------------------------------------- // 素数判定 //--------------------------------------------------------------- bool is_sosuu(ll N) { if (N < 2) return false; else if (N == 2) return true; else if (N % 2 == 0) return false; for (ll i = 3; i <= sqrt(N); i += 2) { if (N % i == 0) return false; } return true; } //--------------------------------------------------------------- // 最大公約数(ユークリッドの互除法) //--------------------------------------------------------------- ll gcd(ll a, ll b) { if (a < b) { ll tmp = a; a = b; b = tmp; } ll r = a % b; while (r != 0) { a = b; b = r; r = a % b; } return b; } //--------------------------------------------------------------- // 最小公倍数 //--------------------------------------------------------------- ll lcm(ll a, ll b) { ll temp = gcd(a, b); return temp * (a / temp) * (b / temp); } //--------------------------------------------------------------- // 階乗 //--------------------------------------------------------------- ll factorial(ll n) { if (n <= 1) { return 1; } return (n * (factorial(n - 1))) % MOD; } //--------------------------------------------------------------- // 高速コンビネーション計算(前処理:O(N) 計算:O(1)) //--------------------------------------------------------------- // テーブルを作る前処理 ll comb_const = 300005; vll fac(comb_const), finv(comb_const), inv(comb_const); bool COMineted = false; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (ll i = 2; i < comb_const; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } COMineted = true; } // 二項係数計算 ll COM(ll n, ll k) { if (COMineted == false) COMinit(); if (n < k) return 0; if (n < 0 || k < 0) return 0; return (fac[n] * (finv[k] * finv[n - k] % MOD)) % MOD; } //--------------------------------------------------------------- // 繰り返し2乗法 base^sisuu //--------------------------------------------------------------- ll RepeatSquaring(ll base, ll sisuu, ll mod = MOD) { if (sisuu < 0) { cout << "RepeatSquaring: 指数が負です!" << endl; return 0; } if (sisuu == 0) return 1; if (sisuu % 2 == 0) { ll t = RepeatSquaring(base, sisuu / 2, mod) % mod; return (t * t) % mod; } return (base * RepeatSquaring(base, sisuu - 1, mod)) % mod; } //--------------------------------------------------------------- // 高速単発コンビネーション計算(O(logN)) //--------------------------------------------------------------- ll fast_com(ll a, ll b) { ll bunshi = 1; ll bunbo = 1; for (ll i = 1; i <= b; i++) { bunbo *= i; bunbo %= MOD; bunshi *= (a - i + 1); bunshi %= MOD; } ll ret = bunshi * RepeatSquaring(bunbo, MOD - 2, MOD); ret %= MOD; while (ret < 0) { ret += MOD; } return ret; } //--------------------------------------------------------------- // 整数をビットのリストに変換する ll->vbool //--------------------------------------------------------------- vbool to_bitlist(ll bit, ll fixed_size = 1) { if (bit == 0) return vbool(fixed_size, 0); vbool list; while (bit > 0) { list.emplace_back(bit & 1); bit /= 2; } while (list.size() < fixed_size) { list.emplace_back(0); } return list; } //--------------------------------------------------------------- // 座標圧縮(O(NlogN)) 0スタートであることに注意! //--------------------------------------------------------------- class PosPress { /* 配列Pを座圧→instance = PosPress(P); 座圧済み配列→instance.arr fooの圧縮後→instance.func[foo] fooの圧縮前→instance.rev[foo] */ public: vll arr; map<ll, ll> func; map<ll, ll> rev; PosPress(vll P) { arr = P; sort(P.begin(), P.end()); func[P[0]] = 0; rev[0] = P[0]; ll next = 1; for (int i = 1; i < P.size(); i++) { if (P[i] != P[i - 1]) { func[P[i]] = next; rev[next] = P[i]; next++; } } for (int i = 0; i < P.size(); i++) { arr[i] = func[arr[i]]; } } }; //--------------------------------------------------------------- // 行列累乗(O(N^3)) //--------------------------------------------------------------- vvll mat_cross(vvll A, vvll B) { ll N = A.size(); ll K = B.size(); ll M = B[0].size(); vvll C(N, vll(M)); for (int i = 0; i < N; i++) for (int j = 0; j < M; j++) for (int k = 0; k < K; k++) C[i][j] += A[i][k] * B[k][j]; return C; } //--------------------------------------------------------------- // 2直線の交差判定(直線(x1, y1)->(x2, y2) と 直線(X1, Y1)->(X2, Y2)) //--------------------------------------------------------------- bool is_cross(ll x1, ll y1, ll x2, ll y2, ll X1, ll Y1, ll X2, ll Y2) { ll dx_ai = X1 - x1; ll dy_ai = Y1 - y1; ll dx_bi = X1 - x2; ll dy_bi = Y1 - y2; ll dx_ai2 = X2 - x1; ll dy_ai2 = Y2 - y1; ll dx_bi2 = X2 - x2; ll dy_bi2 = Y2 - y2; ll si = dx_ai * dy_bi - dy_ai * dx_bi; ll si2 = dx_ai2 * dy_bi2 - dy_ai2 * dx_bi2; ll si3 = dx_ai * dy_ai2 - dy_ai * dx_ai2; ll si4 = dx_bi * dy_bi2 - dy_bi * dx_bi2; return (si * si2 < 0 && si3 * si4 < 0); } //--------------------------------------------------------------- // 最長増加部分列の長さ(O(NlogN)) //--------------------------------------------------------------- ll LSI(vll vec) { ll size = vec.size(); vll lsi(size + 1); // 長さjを作った時の右端の最小値 for (ll i = 0; i <= size; i++) { lsi[i] = LLINF; } lsi[0] = 0; lsi[1] = vec[0]; for (ll i = 1; i < size; i++) { // 初めてvec[i]の方が小さくなるところを探す auto Iter = lower_bound(lsi.begin(), lsi.end(), vec[i]); ll idx = Iter - lsi.begin(); if (idx > 0 && lsi[idx - 1] < vec[i]) { lsi[idx] = vec[i]; } } for (ll i = size; i >= 0; i--) { if (lsi[i] < LLINF) { return i; } } } //--------------------------------------------------------------- // LCS(最長共通部分列) O(|S||T|) //--------------------------------------------------------------- string LCS(string S, string T) { vvll dp(S.length() + 1); for (int i = 0; i < dp.size(); i++) { vll t(T.length() + 1, 0); dp[i] = t; } for (int i = 0; i < S.length(); i++) { for (int j = 0; j < T.length(); j++) { dp[i + 1][j + 1] = max({dp[i][j] + ll(S[i] == T[j]), dp[i + 1][j], dp[i][j + 1], dp[i + 1][j + 1]}); } } ll len = dp[S.length()][T.length()]; string ans = ""; ll i = dp.size() - 1; ll j = dp[0].size() - 1; while (len > 0) { if (dp[i - 1][j] == len) { i--; } else if (dp[i][j - 1] == len) { j--; } else { ans += S[i - 1]; i--; j--; len--; } } reverse(ans.begin(), ans.end()); return ans; } //--------------------------------------------------------------- // 木の根からの深さ //--------------------------------------------------------------- vll tree_depth(vvll edge, ll start_node) { ll n_node = edge.size(); vll dist(n_node, LLINF); dist[start_node] = 0; stack<pll> S; S.push({start_node, 0}); while (!S.empty()) { ll node = S.top().first; ll d = S.top().second; dist[node] = d; S.pop(); for (int i = 0; i < edge[node].size(); i++) { if (dist[edge[node][i]] == LLINF) { S.push({edge[node][i], d + 1}); } } } return dist; } //--------------------------------------------------------------- // ワーシャルフロイド法(O(N^3)) d: 正方行列(N*N) //--------------------------------------------------------------- vvll warshall_floyd(vvll d) { ll n = d.size(); for (int k = 0; k < n; k++) { // 経由する頂点 for (int i = 0; i < n; i++) { // 始点 for (int j = 0; j < n; j++) { // 終点 d[i][j] = min(d[i][j], d[i][k] + d[k][j]); } } } return d; } //--------------------------------------------------------------- // Union Find //--------------------------------------------------------------- class UnionFind { public: /* UnionFind uf(要素の個数); for(int i = 0;i < 関係の個数; i++) { uf.merge(A[i], B[i]); } nを含む集合の大きさ = uf.size(n) nを含む集合の代表者 = uf.root(n) 集合の個数 = uf.n_group */ vector<ll> par; // 各元の親を表す配列 vector<ll> siz; // 素集合のサイズを表す配列(1 で初期化) ll n_group; // 集合の数 // Constructor UnionFind(ll sz_) : par(sz_), siz(sz_, 1LL) { for (ll i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 n_group = sz_; } void init(ll sz_) { par.resize(sz_); siz.assign(sz_, 1LL); // resize だとなぜか初期化されなかった for (ll i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 } // Member Function // Find ll root(ll x) { // 根の検索 while (par[x] != x) { x = par[x] = par[par[x]]; // x の親の親を x の親とする } return x; } // Union(Unite, Merge) bool merge(ll x, ll y) { x = root(x); y = root(y); if (x == y) return false; // merge technique(データ構造をマージするテク.小を大にくっつける) if (siz[x] < siz[y]) swap(x, y); siz[x] += siz[y]; par[y] = x; n_group--; return true; } bool issame(ll x, ll y) { // 連結判定 return root(x) == root(y); } ll size(ll x) { // 素集合のサイズ return siz[root(x)]; } }; //--------------------------------------------------------------- // ダイクストラ(O(ElogV)) edge: 隣接リスト from->pair{to, cost} //--------------------------------------------------------------- class Dijkstra { public: vll dist; // iまでの最短距離 vll past; // (iまで最短で行くときの一つ前) // edge[i] -> {to, cost} Dijkstra(vvpll edge, ll start) : dist(edge.size(), LLINF), past(edge.size(), -1) { using Pi = pll; priority_queue<Pi, vector<Pi>, greater<Pi>> que; dist[start] = 0; que.emplace(dist[start], start); while (!que.empty()) { ll cost; int idx; tie(cost, idx) = que.top(); que.pop(); if (dist[idx] < cost) continue; for (int i = 0; i < edge[idx].size(); i++) { ll next_cost = cost + edge[idx][i].second; if (dist[edge[idx][i].first] <= next_cost) continue; dist[edge[idx][i].first] = next_cost; past[edge[idx][i].first] = idx; que.emplace(dist[edge[idx][i].first], edge[idx][i].first); } } } // goalまでの最短経路 vll shortest(ll goal) { vll ret; while (goal != -1) { ret.emplace_back(goal); goal = past[goal]; } reverse(ret.begin(), ret.end()); return ret; } }; //--------------------------------------------------------------- // LCA: 最近共通祖先 (O()) //--------------------------------------------------------------- class Lca { public: vll depth; // 根0からiまでの最短距離 vvll doubling; ll n_bit = 30; // edge[i] -> {to, cost} Lca(vvll edge) : doubling(50, vll(edge.size(), -1)) { // 深さ depth = tree_depth(edge, 0); // ダブリングで親を辿れるようにする // jから2^i回親を辿ったノード doubling[0][0] = -1; for (int i = 1; i < edge.size(); i++) for (int j : edge[i]) if (depth[i] > depth[j]) { doubling[0][i] = j; break; } for (int i = 1; i < n_bit; i++) for (int j = 0; j < edge.size(); j++) { if (doubling[i - 1][j] != -1) doubling[i][j] = doubling[i - 1][doubling[i - 1][j]]; else doubling[i][j] = -1; } } // aとbの最近共通祖先 ll get_lca(ll a, ll b) { // depth[a] >= depth[b]にする if (depth[a] < depth[b]) swap(a, b); ll oa = a; ll ob = b; ll d = depth[a] - depth[b]; // aをdだけさかのぼる。 vbool bit = to_bitlist(d, n_bit); for (int i = 0; i < n_bit; i++) if (bit[i]) a = doubling[i][a]; // depth[a] == depth[b]になっている。 for (int i = n_bit - 1; i >= 0; i--) { if (doubling[i][a] == doubling[i][b]) continue; a = doubling[i][a]; b = doubling[i][b]; } return a == b ? a : doubling[0][a]; } }; //--------------------------------------------------------------- // Z-algorithm(SとS[i:]の最長接頭辞長) O(|S|) //--------------------------------------------------------------- vll Zalgorithm(string S) { ll n = S.size(); vll Z(n, 0); ll start = -1; ll last = -1; for (ll i = 1; i < n; i++) { if (start >= 0) { Z[i] = min(Z[i - start], last - i); chmax(Z[i], 0LL); } while (i + Z[i] < S.size() && S[Z[i]] == S[i + Z[i]]) Z[i]++; if (last < i + Z[i]) { last = i + Z[i]; start = i; } } Z[0] = n; return Z; } //--------------------------------------------------------------- // セグメント木 //--------------------------------------------------------------- class SegmentTree { public: const ll SEG_LEN = 1 << 19; vector<set<ll>> seg; ll s; SegmentTree(vll A) : seg(SEG_LEN * 2, set<ll>({})) { s = A.size(); for (int i = 0; i < A.size(); i++) { seg[i + SEG_LEN] = {A[i]}; } for (int i = 0; i < A.size(); i++) { ll pos = i + SEG_LEN; while (true) { pos /= 2; if (pos <= 0) break; if (seg[pos * 2 + 1].size() < seg[pos * 2].size()) { seg[pos] = seg[pos * 2]; for (auto itr = seg[pos * 2 + 1].begin(); itr != seg[pos * 2 + 1].end(); ++itr) { seg[pos].insert(*itr); } } else { seg[pos] = seg[pos * 2 + 1]; for (auto itr = seg[pos * 2].begin(); itr != seg[pos * 2].end(); ++itr) { seg[pos].insert(*itr); } } } } } ll seg_max(ll left, ll right) { left += SEG_LEN; right += SEG_LEN + 1; set<ll> ret = {}; vbool used(s + 1, false); while (left < right) { while (left % 2 == 1) { if (seg[left].size()) { for (auto itr = seg[left].begin(); itr != seg[left].end(); ++itr) { if (!used[*itr]) { ret.insert(*itr); used[*itr] = true; } } } left++; } while (right % 2 == 1) { if (seg[right - 1].size()) { for (auto itr = seg[right - 1].begin(); itr != seg[right - 1].end(); ++itr) { if (!used[*itr]) { ret.insert(*itr); used[*itr] = true; } } } right--; } left /= 2; right /= 2; } return ret.size(); } }; //======================================================================== //======================================================================== //======================================================================== //======================================================================== double H(double x, double y) { return -x * y * log2(y); } int main() { //////================================== cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(25); //////================================== /* ~思いついたことはとりあえず絶対メモする!!~ */ ll N; cin >> N; vll count2(N, 0); vll count5(N, 0); for (int i = 0; i < N; i++) { string S; cin >> S; ll integer; ll small_len = -LLINF; // 小数部分の長さ for (int j = 0; j < S.length(); j++) { if (S[j] == '.') small_len = -1; small_len++; } ll beki = 9 - small_len; if (beki <= 9) { integer = stoi(S.substr(0, S.length() - small_len - 1)) * pow(10, 9); integer += stoi(S.substr(S.length() - small_len, small_len)) * pow(10, 9 - small_len); } else { integer = stoi(S) * pow(10, 9); } while (integer % 2 == 0) { integer /= 2; count2[i]++; } while (integer % 5 == 0) { integer /= 5; count5[i]++; } } ll M = 70; vvll accum(M, vll(M, 0)); // 2^i, 2^j for (int i = 0; i < N; i++) { accum[count2[i]][count5[i]]++; } ll ans = 0; for (int i = 0; i < N; i++) { ll need2 = max(18 - count2[i], 0LL); ll need5 = max(18 - count5[i], 0LL); for (int t = need2; t < M; t++) { for (int f = need5; f < M; f++) { ans += accum[t][f]; } } if (count2[i] >= need2 && count5[i] >= need5) ans--; } cout << ans / 2 << endl; }
replace
793
795
793
795
0
p02588
C++
Runtime Error
#include <algorithm> #include <cassert> #include <chrono> #include <climits> #include <cmath> #include <complex> #include <cstring> #include <fstream> #include <functional> #include <iostream> #include <map> #include <queue> #include <random> #include <regex> #include <set> #include <stack> #include <vector> using namespace std; #pragma region #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, s, n) for (int i = (s); i < (int)(n); i++) #define revrep(i, n) for (int i = (n)-1; i >= 0; i--) #define revrepr(i, s, n) for (int i = (n)-1; i >= s; i--) #define debug(x) cerr << #x << ": " << x << "\n" #define popcnt(x) __builtin_popcount(x) const double PI = acos(-1.0); using ll = long long; using P = pair<int, int>; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } template <class T> istream &operator>>(istream &is, vector<T> &v) { for (int i = 0; i < (int)v.size(); i++) cin >> v.at(i); return is; } template <class T, class U> ostream &operator<<(ostream &os, pair<T, U> p) { cout << '(' << p.first << ", " << p.second << ')'; return os; } template <class T> void print(const vector<T> &v, const string &delimiter = " ") { rep(i, v.size()) cout << (0 < i ? delimiter : "") << v.at(i); cout << endl; } template <class T> void print(const vector<vector<T>> &vv, const string &delimiter) { for (const auto &v : vv) print(v, delimiter); } #pragma endregion int cnt_decimal_part(const string &s) { size_t p = s.find('.'); if (p == string::npos) return 0; return s.size() - s.find('.') - 1; } int cnt_exp(ll x, int p) { int res = 0; while (x % p == 0) { res++; x /= p; } return res; } int main() { int n; cin >> n; vector<ll> a(n); rep(i, n) { string s; cin >> s; int c = cnt_decimal_part(s); if (0 < c) s.erase(s.find('.'), 1); rep(i, 9 - c) s.push_back('0'); a[i] = stoll(s); } ll ans = 0; vector<vector<ll>> cnt(19, vector<ll>(19)); rep(i, n) { int e2 = cnt_exp(a[i], 2), e5 = cnt_exp(a[i], 5); repr(x, 18 - e2, 19) repr(y, 18 - e5, 19) { ans += cnt[x][y]; } cnt[e2][e5]++; } cout << ans << endl; }
#include <algorithm> #include <cassert> #include <chrono> #include <climits> #include <cmath> #include <complex> #include <cstring> #include <fstream> #include <functional> #include <iostream> #include <map> #include <queue> #include <random> #include <regex> #include <set> #include <stack> #include <vector> using namespace std; #pragma region #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, s, n) for (int i = (s); i < (int)(n); i++) #define revrep(i, n) for (int i = (n)-1; i >= 0; i--) #define revrepr(i, s, n) for (int i = (n)-1; i >= s; i--) #define debug(x) cerr << #x << ": " << x << "\n" #define popcnt(x) __builtin_popcount(x) const double PI = acos(-1.0); using ll = long long; using P = pair<int, int>; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } template <class T> istream &operator>>(istream &is, vector<T> &v) { for (int i = 0; i < (int)v.size(); i++) cin >> v.at(i); return is; } template <class T, class U> ostream &operator<<(ostream &os, pair<T, U> p) { cout << '(' << p.first << ", " << p.second << ')'; return os; } template <class T> void print(const vector<T> &v, const string &delimiter = " ") { rep(i, v.size()) cout << (0 < i ? delimiter : "") << v.at(i); cout << endl; } template <class T> void print(const vector<vector<T>> &vv, const string &delimiter) { for (const auto &v : vv) print(v, delimiter); } #pragma endregion int cnt_decimal_part(const string &s) { size_t p = s.find('.'); if (p == string::npos) return 0; return s.size() - s.find('.') - 1; } int cnt_exp(ll x, int p) { int res = 0; while (x % p == 0) { res++; x /= p; } return res; } int main() { int n; cin >> n; vector<ll> a(n); rep(i, n) { string s; cin >> s; int c = cnt_decimal_part(s); if (0 < c) s.erase(s.find('.'), 1); rep(i, 9 - c) s.push_back('0'); a[i] = stoll(s); } ll ans = 0; vector<vector<ll>> cnt(19, vector<ll>(19)); rep(i, n) { int e2 = min(18, cnt_exp(a[i], 2)), e5 = min(18, cnt_exp(a[i], 5)); repr(x, 18 - e2, 19) repr(y, 18 - e5, 19) { ans += cnt[x][y]; } cnt[e2][e5]++; } cout << ans << endl; }
replace
107
108
107
108
0
p02588
C++
Runtime Error
#include "algorithm" #include "bitset" #include "cassert" #include "climits" #include "cmath" #include "cstdio" #include "ctime" #include "functional" #include "iomanip" #include "iostream" #include "list" #include "map" #include "numeric" #include "queue" #include "random" #include "set" #include "stack" #include "string" #include "unordered_map" #include "unordered_set" using namespace std; constexpr long long int MOD = 1000000007; // constexpr int MOD = 1000000007; // constexpr int MOD = 998244353; // constexpr long long int MOD = 998244353; constexpr double EPS = 1e-12; // int N, M, K, T, H, W, L, R; long long int N, M, K, T, H, W, L, R; int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> N; int num[19][19] = {}; long long int ans = 0; for (int i = 0; i < N; i++) { string s; cin >> s; if (s.find('.') == s.npos) { s.push_back('.'); } while (s.size() - s.find('.') < 10) { s.push_back('0'); } s.erase(s.begin() + s.find('.')); // cout << s << endl; M = stoll(s); while (s.front() == '0') s.erase(s.begin()); // cout << M << endl; int a = 0, b = 0; while (M % 2 == 0) { M /= 2; a++; } while (M % 5 == 0) { M /= 5; b++; } for (int j = 0; j <= 18; j++) { for (int k = 0; k <= 18; k++) { if (a + j >= 18 && b + k >= 18) ans += num[j][k]; } } num[a][b]++; } cout << ans << endl; }
#include "algorithm" #include "bitset" #include "cassert" #include "climits" #include "cmath" #include "cstdio" #include "ctime" #include "functional" #include "iomanip" #include "iostream" #include "list" #include "map" #include "numeric" #include "queue" #include "random" #include "set" #include "stack" #include "string" #include "unordered_map" #include "unordered_set" using namespace std; constexpr long long int MOD = 1000000007; // constexpr int MOD = 1000000007; // constexpr int MOD = 998244353; // constexpr long long int MOD = 998244353; constexpr double EPS = 1e-12; // int N, M, K, T, H, W, L, R; long long int N, M, K, T, H, W, L, R; int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> N; int num[19][19] = {}; long long int ans = 0; for (int i = 0; i < N; i++) { string s; cin >> s; if (s.find('.') == s.npos) { s.push_back('.'); } while (s.size() - s.find('.') < 10) { s.push_back('0'); } s.erase(s.begin() + s.find('.')); // cout << s << endl; M = stoll(s); while (s.front() == '0') s.erase(s.begin()); // cout << M << endl; int a = 0, b = 0; while (M % 2 == 0) { M /= 2; a++; } while (M % 5 == 0) { M /= 5; b++; } a = min(a, 18); b = min(b, 18); for (int j = 0; j <= 18; j++) { for (int k = 0; k <= 18; k++) { if (a + j >= 18 && b + k >= 18) ans += num[j][k]; } } num[a][b]++; } cout << ans << endl; }
insert
63
63
63
65
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> iint; typedef pair<ll, ll> llll; #define ALL(x) (x).begin(), (x).end() const ll zero = 0; const ll INF = 3000000000000000000; // 10^18 const int inINF = 1000000000; // 10^9 const ll MOD = 1000000007; // 10^9+7 const ll MOD2 = 998244353; void Yes() { printf("Yes\n"); } void No() { printf("No\n"); } void YES() { printf("YES\n"); } void NO() { printf("NO\n"); } int main() { int N; cin >> N; vector<llll> a(N); string s; int c, L; ll t; for (ll i = 0; i < N; i++) { cin >> s; c = 0; L = s.length(); for (ll j = L - 1; j >= 0; j--) { if (s[j] == '.') { c = L - 1 - j; } } a[i].second = c; a[i].first = 0; t = 1; for (ll j = L - 1; j >= 0; j--) { if (s[j] == '.') { continue; } else { a[i].first += t * (s[j] - '0'); t = t * 10; } } } vector<iint> b(N); for (int i = 0; i < N; i++) { b[i].first = -a[i].second; b[i].second = -a[i].second; while (a[i].first % 2 == 0) { b[i].first++; a[i].first = a[i].first / 2; } while (a[i].first % 5 == 0) { b[i].second++; a[i].first = a[i].first / 5; } } vector<vector<int>> ruiseki(70, vector<int>(40, 0)); for (int i = 0; i < N; i++) { ruiseki[b[i].first + 15][b[i].second + 15]++; } for (int i = 0; i < 70; i++) { for (int j = 1; j < 40; j++) { ruiseki[i][j] = ruiseki[i][j - 1] + ruiseki[i][j]; } } // for (int i = 0; i < N; i++) { // printf("%d %d\n", b[i].first, b[i].second); // } ll ans = 0; for (int i = 0; i < N; i++) { for (int j = -b[i].first + 15; j < 70; j++) { ans += ruiseki[j][39] - ruiseki[j][-b[i].second + 14]; } } for (int i = 0; i < N; i++) { if (b[i].first >= 0 && b[i].second >= 0) { ans--; } } ans = ans / 2; printf("%lld\n", ans); }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> iint; typedef pair<ll, ll> llll; #define ALL(x) (x).begin(), (x).end() const ll zero = 0; const ll INF = 3000000000000000000; // 10^18 const int inINF = 1000000000; // 10^9 const ll MOD = 1000000007; // 10^9+7 const ll MOD2 = 998244353; void Yes() { printf("Yes\n"); } void No() { printf("No\n"); } void YES() { printf("YES\n"); } void NO() { printf("NO\n"); } int main() { int N; cin >> N; vector<llll> a(N); string s; int c, L; ll t; for (ll i = 0; i < N; i++) { cin >> s; c = 0; L = s.length(); for (ll j = L - 1; j >= 0; j--) { if (s[j] == '.') { c = L - 1 - j; } } a[i].second = c; a[i].first = 0; t = 1; for (ll j = L - 1; j >= 0; j--) { if (s[j] == '.') { continue; } else { a[i].first += t * (s[j] - '0'); t = t * 10; } } } vector<iint> b(N); for (int i = 0; i < N; i++) { b[i].first = -a[i].second; b[i].second = -a[i].second; while (a[i].first % 2 == 0) { b[i].first++; a[i].first = a[i].first / 2; } while (a[i].first % 5 == 0) { b[i].second++; a[i].first = a[i].first / 5; } } vector<vector<int>> ruiseki(70, vector<int>(40, 0)); for (int i = 0; i < N; i++) { ruiseki[b[i].first + 15][b[i].second + 15]++; } for (int i = 0; i < 70; i++) { for (int j = 1; j < 40; j++) { ruiseki[i][j] = ruiseki[i][j - 1] + ruiseki[i][j]; } } // for (int i = 0; i < N; i++) { // printf("%d %d\n", b[i].first, b[i].second); // } ll ans = 0; for (int i = 0; i < N; i++) { for (int j = max(-b[i].first + 15, 0); j < 70; j++) { if (-b[i].second + 14 < 0) { ans += ruiseki[j][39]; continue; } ans += ruiseki[j][39] - ruiseki[j][-b[i].second + 14]; } } for (int i = 0; i < N; i++) { if (b[i].first >= 0 && b[i].second >= 0) { ans--; } } ans = ans / 2; printf("%lld\n", ans); }
replace
75
76
75
80
0
p02588
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define rep(i, N) for (int i = 0; i < (N); i++) int main() { int n; scanf("%d", &n); map<pair<int, int>, int> cnt; rep(i, n) { double x; cin >> x; long long xl = llround(x * 1e9); int two = 0, five = 0; while (xl % 2 == 0) { two++; xl /= 2; } while (i % 5 == 0) { five++; xl /= 5; } ++cnt[{two, five}]; } long long answer = 0; for (auto p1 : cnt) { for (auto p2 : cnt) { if (p1.first.first + p2.first.first >= 18 && p1.first.second + p2.first.second >= 18) { if (p1 < p2) { answer += (long long)p1.second * p2.second; } else if (p1 == p2) { answer += (long long)p1.second * (p1.second - 1) / 2; } } } } cout << answer << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, N) for (int i = 0; i < (N); i++) int main() { int n; scanf("%d", &n); map<pair<int, int>, int> cnt; rep(i, n) { double x; cin >> x; long long xl = llround(x * 1e9); int two = 0, five = 0; while (xl % 2 == 0) { two++; xl /= 2; } while (xl % 5 == 0) { five++; xl /= 5; } ++cnt[{two, five}]; } long long answer = 0; for (auto p1 : cnt) { for (auto p2 : cnt) { if (p1.first.first + p2.first.first >= 18 && p1.first.second + p2.first.second >= 18) { if (p1 < p2) { answer += (long long)p1.second * p2.second; } else if (p1 == p2) { answer += (long long)p1.second * (p1.second - 1) / 2; } } } } cout << answer << endl; }
replace
17
18
17
18
TLE
p02588
C++
Runtime Error
#include <bits/stdc++.h> #if MYDEBUG #include "lib/cp_debug.hpp" #else #define DBG(...) ; #endif #if __cplusplus <= 201402L template <typename T> T gcd(T a, T b) { return ((a % b == 0) ? b : gcd(b, a % b)); } template <typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; } #endif using LL = long long; constexpr LL LINF = 334ll << 53; constexpr int INF = 15 << 26; constexpr LL MOD = 1E9 + 7; namespace Problem { using namespace std; class Solver { public: int n; vector<string> a; vector<vector<int>> cnt, sum; vector<int> c2, c5; const int geta = 9; Solver(LL n) : n(n), a(n), cnt(100, vector<int>(100)), sum(100, vector<int>(100)), c2(n), c5(n){}; void solve() { for (int i = 0; i < n; ++i) { cin >> a[i]; } for (int i = 0; i < n; ++i) { int d = 0; int tmp = a[i].find('.'); if (tmp != -1) { d = -(a[i].length() - tmp - 1); } LL b = 0; for (int j = 0; j < a[i].length(); ++j) { if (a[i][j] != '.') { b *= 10; b += a[i][j] - '0'; } } int cnt2 = d, cnt5 = d; while (b > 0 && b % 2 == 0) { cnt2++; b /= 2; } while (b > 0 && b % 5 == 0) { cnt5++; b /= 5; } DBG(a[i], cnt2, cnt5) cnt[cnt2 + geta][cnt5 + geta]++; c2[i] = cnt2; c5[i] = cnt5; } sum = cnt; for (int i = (int)sum.size() - 1; i >= 0; --i) { for (int j = (int)sum[i].size() - 2; j >= 0; --j) { sum[i][j] += sum[i][j + 1]; } } for (int i = (int)sum.size() - 2; i >= 0; --i) { for (int j = (int)sum[i].size() - 1; j >= 0; --j) { sum[i][j] += sum[i + 1][j]; } } LL ans = 0, same = 0; for (int i = 0; i < n; ++i) { DBG(sum[-c2[i] + geta][-c5[i] + geta]) if (c2[i] >= 0 && c5[i] >= 0) same++; ans += sum[-c2[i] + geta][-c5[i] + geta]; } cout << (ans - same) / 2 << endl; } }; // namespace Problem } // namespace Problem int main() { std::cin.tie(0); std::ios_base::sync_with_stdio(false); // std::cout << std::fixed << std::setprecision(12); long long n = 0; std::cin >> n; Problem::Solver sol(n); sol.solve(); return 0; }
#include <bits/stdc++.h> #if MYDEBUG #include "lib/cp_debug.hpp" #else #define DBG(...) ; #endif #if __cplusplus <= 201402L template <typename T> T gcd(T a, T b) { return ((a % b == 0) ? b : gcd(b, a % b)); } template <typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; } #endif using LL = long long; constexpr LL LINF = 334ll << 53; constexpr int INF = 15 << 26; constexpr LL MOD = 1E9 + 7; namespace Problem { using namespace std; class Solver { public: int n; vector<string> a; vector<vector<int>> cnt, sum; vector<int> c2, c5; const int geta = 9; Solver(LL n) : n(n), a(n), cnt(100, vector<int>(100)), sum(100, vector<int>(100)), c2(n), c5(n){}; void solve() { for (int i = 0; i < n; ++i) { cin >> a[i]; } for (int i = 0; i < n; ++i) { int d = 0; int tmp = a[i].find('.'); if (tmp != -1) { d = -(a[i].length() - tmp - 1); } LL b = 0; for (int j = 0; j < a[i].length(); ++j) { if (a[i][j] != '.') { b *= 10; b += a[i][j] - '0'; } } int cnt2 = d, cnt5 = d; while (b > 0 && b % 2 == 0) { cnt2++; b /= 2; } while (b > 0 && b % 5 == 0) { cnt5++; b /= 5; } DBG(a[i], cnt2, cnt5) cnt[cnt2 + geta][cnt5 + geta]++; c2[i] = cnt2; c5[i] = cnt5; } sum = cnt; for (int i = (int)sum.size() - 1; i >= 0; --i) { for (int j = (int)sum[i].size() - 2; j >= 0; --j) { sum[i][j] += sum[i][j + 1]; } } for (int i = (int)sum.size() - 2; i >= 0; --i) { for (int j = (int)sum[i].size() - 1; j >= 0; --j) { sum[i][j] += sum[i + 1][j]; } } LL ans = 0, same = 0; for (int i = 0; i < n; ++i) { DBG(sum[-c2[i] + geta][-c5[i] + geta]) if (c2[i] >= 0 && c5[i] >= 0) same++; ans += sum[max(0, -c2[i] + geta)][max(0, -c5[i] + geta)]; } cout << (ans - same) / 2 << endl; } }; // namespace Problem } // namespace Problem int main() { std::cin.tie(0); std::ios_base::sync_with_stdio(false); // std::cout << std::fixed << std::setprecision(12); long long n = 0; std::cin >> n; Problem::Solver sol(n); sol.solve(); return 0; }
replace
81
82
81
82
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> typedef long long ll; using namespace std; #define repr(i, a, b) for (int i = a; i < b; i++) #define rep(i, n) for (int i = 0; i < n; i++) #define invrepr(i, a, b) for (int i = b - 1; i >= a; i--) #define invrep(i, n) invrepr(i, 0, n) #define repitr(itr, a) for (auto itr = a.begin(); itr != a.end(); ++itr) #define P pair<int, ll> const ll MOD = 998244353; const int INF = 1e9; const double PI = acos(-1); int main() { ios_base::sync_with_stdio(false); int n; cin >> n; vector<ll> a(n); rep(i, n) { string s; cin >> s; int m = s.size(); rep(j, m) { if (s[j] == '.') { rep(k, 9) { if (j + 1 + k < m) { a[i] += ll(s[j + 1 + k] - '0') * pow(10, 8 - k); } } rep(k, j) a[i] += ll(s[j - 1 - k] - '0') * pow(10, 9 + k); break; } else if (j == m - 1) { rep(k, j + 1) a[i] += ll(s[j - k] - '0') * pow(10, 9 + k); } } } ll md = 1e9; vector<pair<int, int>> p(n); vector<vector<ll>> q(50, vector<ll>(50)); rep(i, n) { ll b = a[i]; int x = 0, y = 0; ll u = md; while (b % 2 == 0) { b /= 2; ++x; } while (b % 5 == 0) { b /= 5; ++y; } p[i] = {x, y}; ++q[x][y]; } ll ans = 0; rep(i, 50) { invrep(j, 49) q[i][j] += q[i][j + 1]; } rep(j, 50) { invrep(i, 49) q[i][j] += q[i + 1][j]; } rep(i, n) { ans += q[18 - p[i].first][18 - p[i].second]; if (9 <= p[i].first && 9 <= p[i].second) --ans; } ans /= 2; cout << ans << endl; return 0; }
#include <bits/stdc++.h> typedef long long ll; using namespace std; #define repr(i, a, b) for (int i = a; i < b; i++) #define rep(i, n) for (int i = 0; i < n; i++) #define invrepr(i, a, b) for (int i = b - 1; i >= a; i--) #define invrep(i, n) invrepr(i, 0, n) #define repitr(itr, a) for (auto itr = a.begin(); itr != a.end(); ++itr) #define P pair<int, ll> const ll MOD = 998244353; const int INF = 1e9; const double PI = acos(-1); int main() { ios_base::sync_with_stdio(false); int n; cin >> n; vector<ll> a(n); rep(i, n) { string s; cin >> s; int m = s.size(); rep(j, m) { if (s[j] == '.') { rep(k, 9) { if (j + 1 + k < m) { a[i] += ll(s[j + 1 + k] - '0') * pow(10, 8 - k); } } rep(k, j) a[i] += ll(s[j - 1 - k] - '0') * pow(10, 9 + k); break; } else if (j == m - 1) { rep(k, j + 1) a[i] += ll(s[j - k] - '0') * pow(10, 9 + k); } } } ll md = 1e9; vector<pair<int, int>> p(n); vector<vector<ll>> q(50, vector<ll>(50)); rep(i, n) { ll b = a[i]; int x = 0, y = 0; ll u = md; while (b % 2 == 0) { b /= 2; ++x; } while (b % 5 == 0) { b /= 5; ++y; } p[i] = {x, y}; ++q[x][y]; } ll ans = 0; rep(i, 50) { invrep(j, 49) q[i][j] += q[i][j + 1]; } rep(j, 50) { invrep(i, 49) q[i][j] += q[i + 1][j]; } rep(i, n) { int x = max(0, 18 - p[i].first); int y = max(0, 18 - p[i].second); ans += q[x][y]; if (9 <= p[i].first && 9 <= p[i].second) --ans; } ans /= 2; cout << ans << endl; return 0; }
replace
60
61
60
63
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #pragma region all ///////////// マクロ, エイリアス ///////////////// #pragma region macros_and_aliases #define rep(i, n) for (long long i = 0; i < (n); i++) #define rrep(i, n) for (long long i = (n)-1; i > -1; i--) #define Rep(i, m, n) for (long long i = (m); i < (n); i++) #define rRep(i, m, n) for (long long i = (n)-1; i >= (m); i--) #define REP(i, m, n, p) for (long long i = m; i < n; i += p) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() #define pq priority_queue #define bcnt(n) __builtin_popcountll(n) #define endk endl #define ednl endl #define enld endl using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using ll = long long; using ld = long double; using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>; using vb = vector<bool>; using vvb = vector<vb>; using mii = map<int, int>; using pqll = priority_queue<long long>; using pqllg = priority_queue<long long, vector<long long>, greater<long long>>; using mll = map<long long, long long>; using pll = pair<long long, long long>; using sll = set<long long>; using vpll = vector<pair<long long, long long>>; template <class T = ll> using V = vector<T>; template <class T = ll> using VV = V<V<T>>; template <class T = ll> using VVV = V<V<V<T>>>; // 昇順pq(小さい方から取り出す) template <class T = ll> using pqup = priority_queue<T, vector<T>, greater<T>>; // 降順pq(大きい方から取り出す) template <class T = ll> using pqdn = priority_queue<T>; #pragma endregion ///////////// 定数など ///////////////// #pragma region constants long long const limLL = 9223372036854775807; // POW(2,63)-1 ~ 9.22e18 long long const dekai = 3e16; const long double pi = acos(-1); int dx[4] = {-1, 0, 1, 0}; int dy[4] = {0, -1, 0, 1}; int ddx[8] = {-1, -1, -1, 0, 0, 1, 1, 1}; int ddy[8] = {-1, 0, 1, -1, 1, -1, 0, 1}; const int mod = 1000000007; // const int mod = 998244353; #pragma endregion /////////////////// 基本処理系 //////////////////// #pragma region basic_procedure template <class T> inline bool isin(T x, T lef, T rig) { return ((lef <= x) && (x < rig)); } template <class T> inline bool isin(T x, T y, T lef, T rig) { return isin(x, lef, rig) && isin(y, lef, rig); } template <class T> inline bool isin(T X, T lefX, T rigX, T Y, T lefY, T rigY) { return isin(X, lefX, rigX) && isin(Y, lefY, rigY); } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } #define debug(var) \ do { \ std::cout << #var << " : "; \ view(var); \ } while (0) template <typename T> void view(T e) { std::cout << e << std::endl; } template <typename T> void view(const std::vector<T> &v) { for (const auto &e : v) { std::cout << e << " "; } std::cout << std::endl; } template <typename T> void view(const std::vector<std::vector<T>> &vv) { for (const auto &v : vv) { view(v); } } void Yes() { cout << "Yes\n"; } void No() { cout << "No\n"; } void YES() { cout << "YES\n"; } void NO() { cout << "NO\n"; } void err() { cout << -1 << endl; } #pragma endregion //////////////// 数学処理系 /////////////////////// #pragma region math template <class T> T divup(T a, T b) { // 端数繰りあがり割り算 assert(b != 0); T x = abs(a); T y = abs(b); T z = (x + y - 1) / y; if ((a < 0 && b > 0) || (a > 0 && b < 0)) return -z; else if (a == 0) return 0; else return z; } long long POW(long long a, long long n) { // 整数のとき限定の普通のPOW関数 // 標準機能のpow(a,n)は整数だとバグるのでこちらを使う long long res = 1; while (n > 0) { if (n & 1) res = res * a; a = a * a; n >>= 1; } return res; } template <class T> int sgn(T x) { // 符号関数 if (x < 0) return -1; if (x == 0) return x; return 1; } long long modpow(long long a, long long n, long long mod) { // a^n mod long long res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } long long modinv(long long a, long long mod) { // a^{-1} mod // modとaが互いに素のときのみ有効(数学的に逆元が一意に定まるのがそのときのみ) return modpow(a, mod - 2, mod); } vvll comb(100, vll(100, -1)); long long com(long long n, long long k) { // 普通の二項計数(overflowに注意) assert(n < 100 && k < 100); if (n < k || k < 0 || n < 0) return 0; if (comb[n][k] != -1) return comb[n][k]; ll res; if (n - k < k) res = com(n, n - k); else if (k == 0) res = 1; else res = com(n - 1, k - 1) + com(n - 1, k); comb[n][k] = res; return res; } // nCk modを求める const ll MAX = 510000; // この値は求める二項計数の値に応じて変える // MAX=3*10^7のとき1900msほど、ほぼ比例 // MAX=5*10^6程度ならそれほど気にしなくてよい(300ms程) long long fac[MAX], finv[MAX], inv[MAX]; void cominit() { // テーブルを作る前処理 fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (ll i = 2; i < MAX; i++) { fac[i] = fac[i - 1] * i % mod; inv[i] = mod - inv[mod % i] * (mod / i) % mod; finv[i] = finv[i - 1] * inv[i] % mod; } } long long commod(ll n, ll k) { // 二項係数計算 if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % mod) % mod; } long long pmod(ll n, ll k) { // 順列計算 if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * finv[n - k] % mod; } long long hmod(ll n, ll k) { // nHk計算 // n個の区別しないoを区別するk個の箱に入れる方法の総数 //(n+k-1)C(k-1)と等しい return commod(n + k - 1, n); } #pragma endregion //////////////// vector処理系 /////////////////////// #pragma region vector vector<long long> vin(long long n) { // 整数n個の入力を受け取ってベクトルに突っ込んで返す vector<long long> v(n); for (long long i = 0; i < n; i++) { cin >> v[i]; } return v; } // ベクトルの出力(検証済) // vectorの中身を出力する 答えの出力に利用可能 template <class T> void vout(vector<T> &v, bool tate = 0) { if (v.size() > 0) { for (auto it = v.begin(); it < v.end(); it++) { cout << *it; if (it != v.end() - 1) { if (tate) cout << "\n"; else cout << " "; } } } cout << endl; } template <class T> void add(vector<T> &v, T val) { // ベクトルの各要素に加算 for (auto &a : v) a += val; return; } #pragma endregion //////////////// 累積和処理系 /////////////////////// #pragma region ruisekiwa // 1次元累積和 template <class T> vector<T> barsuminit(vector<T> &v) { ll h = v.size(); V<T> ret(h + 1); ret[0] = 0; rep(i, h) ret[i + 1] = v[i] + ret[i]; return ret; } template <class T> T barsum(vector<T> &v, ll x0, ll x1) { if (x1 <= x0) return 0; return v[x1] - v[x0]; } // 2次元累積和 template <class T> vector<vector<T>> sheetsuminit(vector<vector<T>> &v) { ll h = v.size(); assert(h != 0); ll w = v.at(0).size(); VV<T> ret(h + 1, V<T>(w + 1)); rep(i, h + 1) ret[i][0] = 0; rep(i, w + 1) ret[0][i] = 0; rep(i, h) rep(j, w) ret[i + 1][j + 1] = v[i][j]; rep(i, h) rep(j, w) ret[i + 1][j + 1] += ret[i + 1][j]; rep(i, h) rep(j, w) ret[i + 1][j + 1] += ret[i][j + 1]; return ret; } //[x0,y0],(x1,y1)で囲まれた領域内の和 // 端点は(x,y)のみ含む.面積は(x1-x0)*(y1-y0); template <class T> T sheetsum(vector<vector<T>> &v, ll x0, ll y0, ll x1, ll y1) { if (x0 >= x1 || y0 >= y1) return 0; return v[x0][y0] + v[x1][y1] - v[x0][y1] - v[x1][y0]; } // 3次元累積和 template <class T> vector<vector<vector<T>>> cubiodsuminit(vector<vector<vector<T>>> &v) { ll h = v.size(); assert(h != 0); ll w = v[0].size(); assert(w != 0); ll z = v[0][0].size(); VVV<T> ret(h + 1, VV<T>(w + 1, V<T>(z + 1))); rep(i, h + 1) rep(j, w + 1) rep(k, z + 1) { ret[i][j][k] = (i == 0 || j == 0 || k == 0 ? 0 : v[i - 1][j - 1][k - 1]); } rep(i, h) rep(j, w) rep(k, z) ret[i + 1][j + 1][k + 1] += ret[i + 1][j + 1][k]; rep(i, h) rep(j, w) rep(k, z) ret[i + 1][j + 1][k + 1] += ret[i + 1][j][k + 1]; rep(i, h) rep(j, w) rep(k, z) ret[i + 1][j + 1][k + 1] += ret[i][j + 1][k + 1]; return ret; } //[x0,y0],(x1,y1)で囲まれた領域内の和 // 端点は(x,y)のみ含む.面積は(x1-x0)*(y1-y0); template <class T> T cubiodsum(vector<vector<vector<T>>> &v, ll x0, ll y0, ll z0, ll x1, ll y1, ll z1) { if (x0 >= x1 || y0 >= y1 || z0 >= z1) return 0; return v[x1][y1][z1] - v[x1][y1][z0] - v[x1][y0][z1] - v[x0][y1][z1] + v[x1][y0][z0] + v[x0][y1][z0] + v[x0][y0][z1] - v[x0][y0][z0]; } #pragma endregion ////////////// 構造体 /////////////////////////// #pragma region objects template <class T = ll> struct BIT { // もとの配列a[i]はBIT内部ではvec[i+1]に対応 vector<T> vec; ll n; ll pw2 = 1; // n以下の最大の2冪 BIT(long long sz) : vec(sz + 1, 0), n(sz) { while (pw2 * 2 <= n) { pw2 *= 2; } } // 元の値に足す 更新は不可 void add(long long place, T val, bool index = 0) { if (!index) place++; for (long long x = place; x <= n; x += x & -x) vec[x] += val; } // 端からの合計値計算 T sum0(long long a, bool index = 0) { if (index) a--; T ret = 0; for (int x = a; x > 0; x -= x & -x) ret += vec[x]; return ret; } // クエリ T sum(long long a, long long b) { return sum0(b) - sum0(a); } // 更新 クエリと併用で可能にした void update(long long place, T val, bool index = 0) { T old = sum(place, place + 1); add(place, val - old); return; } ll LowerBound(T val, long long start = 0) { // startから足していって初めてval以上になる箇所を0-indexedで返す // 要素が全て非負のときのみ // [start, ret) >= val を満たすstart以上の最小のret // どこまで足してもvalに達しないときはn+1を返す if (val <= 0) return start; val += sum0(start); long long x = 0; ll p = 1; for (long long k = pw2; k > 0; k /= 2) { if (x + k <= n && vec[x + k] < val) { val -= vec[x + k]; x += k; } } return max(start, x + 1); } ll UpperBound(T val, long long start = 0) { // startから足していって初めてvalより大になる箇所を0-indexedで返す // 要素が全て非負のときのみ // [start, ret) > val を満たすstart以上の最小のret // どこまで足してもvalより大に達しないときはn+1を返す if (val < 0 /*LBとの変更点*/) return start; val += sum0(start); long long x = 0; ll p = 1; for (long long k = pw2; k > 0; k /= 2) { if (x + k <= n && vec[x + k] <= /*LBとの変更点*/ val) { val -= vec[x + k]; x += k; } } return max(start, x + 1); } }; template <class T = ll> struct edge { T len; ll to; }; template <class T = ll> struct graph { // 0-indexed vector<vector<edge<T>>> edges; bool directed, weight; long long ver; // constructor graph(long long vertex, bool direction = 0, bool weigh = 0) : edges(vertex) { ver = vertex; directed = direction; weight = weigh; edges.resize(vertex); } // 辺の追加 (0-indexed) void update(long long from, long long to, T len = 1, bool direction = 1) { edge<T> e; e.to = to; e.len = len; edges[from].push_back(e); if (!direction) { e.to = from; edges[to].push_back(e); } } // 入力受取 (1-indexed) void input(long long edge_num, long long index = 1) { rep(i, edge_num) { ll a; ll b; cin >> a >> b; a -= index; b -= index; T c; if (weight) cin >> c; else c = 1; update(a, b, c, directed); } } // 長さが負のpathがないときの単一始点最短経路<vll> O((ver)log(ver)+(edge)) vector<T> dijkstra(long long start) { vector<T> ret(ver, (T)dekai); pqup<pair<T, long long>> p; //{dist,place} p.push({0, start}); ret[start] = 0; while (!p.empty()) { T dist = p.top().first; ll place = p.top().second; p.pop(); if (ret[place] < dist) continue; for (auto &next : edges[place]) { ll nextplace = next.to; T dis = next.len; if (chmin(ret[nextplace], dist + dis)) { p.push({ret[nextplace], nextplace}); } } } return ret; } // 単一始点最短経路 O((ver)*(edge)) // ある頂点までのコストが無限に小さくなり得るとき→ ret[i] = -dekai; vector<T> BellmanFord(long long start) { vector<T> ret(ver, dekai); ret[start] = 0; rep(loop, ver - 1) { rep(v, ver) { for (auto &e : edges[v]) { chmin(ret[e.to], ret[v] + e.len); } } } // 無限降下点の検索 queue<ll> q; vb chk(ver, 0); rep(v, ver) { for (auto &e : edges[v]) { if (chmin(ret[e.to], ret[v] + e.len)) { if (!chk[e.to]) { q.push(e.to); chk[e.to] = 1; } } } } while (!q.empty()) { ll now = q.front(); q.pop(); for (auto &e : edges[now]) { if (!chk[e.to]) { chk[e.to] = 1; q.push(e.to); } } } rep(i, ver) if (chk[i]) ret[i] = -dekai; return ret; } // 閉路に含まれない頂点列挙 // 要素数がver未満なら閉路が存在、そうでなければ閉路は存在しない vector<long long> topo_sort() { assert(directed); vector<long long> num_input(ver); // 入次数 for (long long i = 0; i < ver; i++) { for (auto e : edges[i]) { num_input[e.to]++; } } // 入次数が0のノードをqueueで管理する queue<long long> que; for (int i = 0; i < ver; i++) { if (num_input[i] == 0) { que.push(i); } } vector<long long> ans; while (!que.empty()) { auto node = que.front(); que.pop(); ans.push_back(node); // 頂点の削除 for (auto e : edges[node]) { num_input[e.to]--; // 行き先の入次数が0になったらqueueに追加 if (num_input[e.to] == 0) { que.push(e.to); } } } return ans; } pair<pair<long long, long long>, T> DiameterOfTree() { //{{端点、端点},直径の大きさ} ll v1, v2; // 0ともっとも遠い点、v1と最も遠い点 V<T> dis(ver, -1); dis[0] = 0; queue<ll> q; q.push(0); while (!q.empty()) { ll now = q.front(); q.pop(); for (auto &e : edges[now]) { if (dis[e.to] != -1) continue; dis[e.to] = dis[now] + e.len; q.push(e.to); } if (q.empty()) v1 = now; } rep(i, ver) dis[i] = -1; dis[v1] = 0; q.push(v1); while (!q.empty()) { ll now = q.front(); q.pop(); for (auto &e : edges[now]) { if (dis[e.to] != -1) continue; dis[e.to] = dis[now] + e.len; q.push(e.to); } if (q.empty()) v2 = now; } pair<pll, T> ans = {{v1, v2}, dis[v2]}; return ans; } // 無向木構造を根から葉に伸びる有向木構造に書き換える graph<T> RootToLeaf(ll root) { // 0-indexed graph<T> ret(ver, 1, weight); vb chk(ver, 0); chk[root] = 1; function<void(ll)> dfs = [&](ll now) { for (auto &e : edges[now]) { if (chk[e.to] == 1) continue; chk[e.to] = 1; ret.update(now, e.to, e.len, 1); dfs(e.to); } }; dfs(root); return ret; } // 無向木構造を葉から根に伸びる有向木構造に書き換える graph<T> LeafToRoot(ll root) { // 0-indexed graph<T> ret(ver, 1, weight); vb chk(ver, 0); chk[root] = 1; function<void(ll)> dfs = [&](ll now) { for (auto &e : edges[now]) { if (chk[e.to] == 1) continue; chk[e.to] = 1; ret.update(e.to, now, e.len, 1); dfs(e.to); } }; dfs(root); ret.update(root, root, 0); return ret; } // LeafToRootのvector版.par[i]=iの親の頂点 vector<long long> par(ll root) { // 0-indexed vll ret(ver, -1); ret[root] = root; // rootの親はroot function<void(ll)> dfs = [&](ll now) { for (auto &e : edges[now]) { if (ret[e.to] != -1) continue; ret[e.to] = now; dfs(e.to); } }; dfs(root); return ret; } vector<edge<T>> ParentAndDistance(ll root) { // 0-indexed V<edge<T>> ret(ver); rep(i, ver) ret[i].to = -1; ret[root].to = root; // rootの親はroot ret[root].len = 0; // rootの親との距離は0 function<void(ll)> dfs = [&](ll now) { for (auto &e : edges[now]) { if (ret[e.to].to != -1) continue; ret[e.to].to = now; ret[e.to].len = e.len; dfs(e.to); } }; dfs(root); return ret; } // 隣接sheet.主にwarshall用 VV<T> GraphArray(void) { VV<T> ret(ver, V<ll>(ver, dekai)); rep(from, ver) { for (auto &e : edges[from]) { ret[from][e.to] = e.len; } ret[from][from] = 0; } return ret; } }; struct mint { // auto mod int // https://youtu.be/L8grWxBlIZ4?t=9858 // https://youtu.be/ERZuLAxZffQ?t=4807 : optimize // https://youtu.be/8uowVvQ_-Mo?t=1329 : division ll x; // typedef long long ll; mint(ll x = 0) : x((x % mod + mod) % mod) {} mint operator-() const { return mint(-x); } mint &operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint &operator-=(const mint a) { if ((x += mod - a.x) >= mod) x -= mod; return *this; } mint &operator*=(const mint a) { (x *= a.x) %= mod; return *this; } mint operator+(const mint a) const { return mint(*this) += a; } mint operator-(const mint a) const { return mint(*this) -= a; } mint operator*(const mint a) const { return mint(*this) *= a; } mint pow(ll t) const { if (!t) return 1; mint a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod - 2); } mint &operator/=(const mint a) { return *this *= a.inv(); } mint operator/(const mint a) const { return mint(*this) /= a; } }; istream &operator>>(istream &is, const mint &a) { return is >> a.x; } ostream &operator<<(ostream &os, const mint &a) { return os << a.x; } #pragma endregion ////////////////// メモ ////////////////////// #pragma region memo #pragma region programming_memo // Ctrl+Shift+[:折りたたみ // Ctrl+Shift+]:展開 // Ctrl+k Ctrl+l:折り畳み/展開のトグル // Ctrl+k Ctrl+[:再帰的に折りたたみ // Ctrl+k Ctrl+]:再帰的に展開 // Ctrl+k Ctrl+0:すべて折りたたみ // Ctrl+k Ctrl+j:すべて展開 // Ctrl+k Ctrl+1:レベル1で折りたたみ // Ctrl+k Ctrl+2:レベル2で折りたたみ // Ctrl+k Ctrl+3:レベル3で折りたたみ // Ctrl+k Ctrl+8:すべての領域(region)の折りたたみ // Ctrl+k Ctrl+9:すべての領域(region)の展開 // Ctrl+k Ctrl+/:すべてのブロックコメントの折りたたみ // long long intとして表示 // (印字対象データの最上位ビットが立っているので負数とみなされる) printf("case3: // %lld\n", a); // C++拡張機能の更新で急にエラーの下線が表示されなくなった // 下の青の線が紫になったり // →ディレクトリを直すと直った(良く分からん) // c char 文字 // s char *文字列 // d int, short 10進の整数 // u unsigned int, unsigned short 10進の符号なし整数 // o int, short, unsigned int,unsigned short 8進の整数 // x int, short, unsigned int,unsigned short 16進の整数 // f float 浮動小数点数 // e float 浮動小数点数の指数表示 // g float %eもしくは %fのどちらか最適な形式の浮動小数点数 // ld long 10進の倍精度整数 // lu unsinged long 10進の符号なし倍精度整数 // lo long,unsinged long 8進の倍精度整数 // lf double 倍精度浮動小数点数 // a double 16進の倍精度浮動小数点数 // lld long long #pragma endregion #pragma endregion #pragma endregion int main() { ios::sync_with_stdio(false); cin.tie(nullptr); // cout << fixed << setprecision(15); ll n; cin >> n; vll a2(n, 0), a5(n, 0); // 含まれる2,5の素因数の数 rep(i, n) { string s; cin >> s; string t; ll m = s.size(); ll pt = m - 1; // debug(s); rep(j, m) { if (s[j] == '.') { pt = j; } else { t += s[j]; } } ll k = m - pt - 1; // 10でなんか祝ってるか ll num = stoll(t); ll cnt2 = 0, cnt5 = 0; while (num % 2 == 0) { num /= 2; cnt2++; } while (num % 5 == 0) { num /= 5; cnt5++; } a2[i] = cnt2 - k; a5[i] = cnt5 - k; } // debug(a2); // debug(a5); ll h = 41, w = 20; vvll v(h, vll(h, (0LL))); rep(i, n) { v[a2[i] + w][a5[i] + w]++; } auto she = sheetsuminit(v); ll ans = 0; ll res = 0; rep(i, h) { rep(j, h) { ll x, y; x = h - 1 - i; y = h - 1 - j; ll add = v[i][j] * sheetsum(she, x, y, h, h); ans += add; if (add) { // debug(i - w); // debug(j - w); // debug(add); // debug(ans); } if (x <= i && y <= j) { res += v[i][j]; // debug(v[i][j]); // debug(res); } } } // debug(ans); // debug(res); ans -= res; ans /= 2; cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #pragma region all ///////////// マクロ, エイリアス ///////////////// #pragma region macros_and_aliases #define rep(i, n) for (long long i = 0; i < (n); i++) #define rrep(i, n) for (long long i = (n)-1; i > -1; i--) #define Rep(i, m, n) for (long long i = (m); i < (n); i++) #define rRep(i, m, n) for (long long i = (n)-1; i >= (m); i--) #define REP(i, m, n, p) for (long long i = m; i < n; i += p) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() #define pq priority_queue #define bcnt(n) __builtin_popcountll(n) #define endk endl #define ednl endl #define enld endl using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using ll = long long; using ld = long double; using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>; using vb = vector<bool>; using vvb = vector<vb>; using mii = map<int, int>; using pqll = priority_queue<long long>; using pqllg = priority_queue<long long, vector<long long>, greater<long long>>; using mll = map<long long, long long>; using pll = pair<long long, long long>; using sll = set<long long>; using vpll = vector<pair<long long, long long>>; template <class T = ll> using V = vector<T>; template <class T = ll> using VV = V<V<T>>; template <class T = ll> using VVV = V<V<V<T>>>; // 昇順pq(小さい方から取り出す) template <class T = ll> using pqup = priority_queue<T, vector<T>, greater<T>>; // 降順pq(大きい方から取り出す) template <class T = ll> using pqdn = priority_queue<T>; #pragma endregion ///////////// 定数など ///////////////// #pragma region constants long long const limLL = 9223372036854775807; // POW(2,63)-1 ~ 9.22e18 long long const dekai = 3e16; const long double pi = acos(-1); int dx[4] = {-1, 0, 1, 0}; int dy[4] = {0, -1, 0, 1}; int ddx[8] = {-1, -1, -1, 0, 0, 1, 1, 1}; int ddy[8] = {-1, 0, 1, -1, 1, -1, 0, 1}; const int mod = 1000000007; // const int mod = 998244353; #pragma endregion /////////////////// 基本処理系 //////////////////// #pragma region basic_procedure template <class T> inline bool isin(T x, T lef, T rig) { return ((lef <= x) && (x < rig)); } template <class T> inline bool isin(T x, T y, T lef, T rig) { return isin(x, lef, rig) && isin(y, lef, rig); } template <class T> inline bool isin(T X, T lefX, T rigX, T Y, T lefY, T rigY) { return isin(X, lefX, rigX) && isin(Y, lefY, rigY); } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } #define debug(var) \ do { \ std::cout << #var << " : "; \ view(var); \ } while (0) template <typename T> void view(T e) { std::cout << e << std::endl; } template <typename T> void view(const std::vector<T> &v) { for (const auto &e : v) { std::cout << e << " "; } std::cout << std::endl; } template <typename T> void view(const std::vector<std::vector<T>> &vv) { for (const auto &v : vv) { view(v); } } void Yes() { cout << "Yes\n"; } void No() { cout << "No\n"; } void YES() { cout << "YES\n"; } void NO() { cout << "NO\n"; } void err() { cout << -1 << endl; } #pragma endregion //////////////// 数学処理系 /////////////////////// #pragma region math template <class T> T divup(T a, T b) { // 端数繰りあがり割り算 assert(b != 0); T x = abs(a); T y = abs(b); T z = (x + y - 1) / y; if ((a < 0 && b > 0) || (a > 0 && b < 0)) return -z; else if (a == 0) return 0; else return z; } long long POW(long long a, long long n) { // 整数のとき限定の普通のPOW関数 // 標準機能のpow(a,n)は整数だとバグるのでこちらを使う long long res = 1; while (n > 0) { if (n & 1) res = res * a; a = a * a; n >>= 1; } return res; } template <class T> int sgn(T x) { // 符号関数 if (x < 0) return -1; if (x == 0) return x; return 1; } long long modpow(long long a, long long n, long long mod) { // a^n mod long long res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } long long modinv(long long a, long long mod) { // a^{-1} mod // modとaが互いに素のときのみ有効(数学的に逆元が一意に定まるのがそのときのみ) return modpow(a, mod - 2, mod); } vvll comb(100, vll(100, -1)); long long com(long long n, long long k) { // 普通の二項計数(overflowに注意) assert(n < 100 && k < 100); if (n < k || k < 0 || n < 0) return 0; if (comb[n][k] != -1) return comb[n][k]; ll res; if (n - k < k) res = com(n, n - k); else if (k == 0) res = 1; else res = com(n - 1, k - 1) + com(n - 1, k); comb[n][k] = res; return res; } // nCk modを求める const ll MAX = 510000; // この値は求める二項計数の値に応じて変える // MAX=3*10^7のとき1900msほど、ほぼ比例 // MAX=5*10^6程度ならそれほど気にしなくてよい(300ms程) long long fac[MAX], finv[MAX], inv[MAX]; void cominit() { // テーブルを作る前処理 fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (ll i = 2; i < MAX; i++) { fac[i] = fac[i - 1] * i % mod; inv[i] = mod - inv[mod % i] * (mod / i) % mod; finv[i] = finv[i - 1] * inv[i] % mod; } } long long commod(ll n, ll k) { // 二項係数計算 if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % mod) % mod; } long long pmod(ll n, ll k) { // 順列計算 if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * finv[n - k] % mod; } long long hmod(ll n, ll k) { // nHk計算 // n個の区別しないoを区別するk個の箱に入れる方法の総数 //(n+k-1)C(k-1)と等しい return commod(n + k - 1, n); } #pragma endregion //////////////// vector処理系 /////////////////////// #pragma region vector vector<long long> vin(long long n) { // 整数n個の入力を受け取ってベクトルに突っ込んで返す vector<long long> v(n); for (long long i = 0; i < n; i++) { cin >> v[i]; } return v; } // ベクトルの出力(検証済) // vectorの中身を出力する 答えの出力に利用可能 template <class T> void vout(vector<T> &v, bool tate = 0) { if (v.size() > 0) { for (auto it = v.begin(); it < v.end(); it++) { cout << *it; if (it != v.end() - 1) { if (tate) cout << "\n"; else cout << " "; } } } cout << endl; } template <class T> void add(vector<T> &v, T val) { // ベクトルの各要素に加算 for (auto &a : v) a += val; return; } #pragma endregion //////////////// 累積和処理系 /////////////////////// #pragma region ruisekiwa // 1次元累積和 template <class T> vector<T> barsuminit(vector<T> &v) { ll h = v.size(); V<T> ret(h + 1); ret[0] = 0; rep(i, h) ret[i + 1] = v[i] + ret[i]; return ret; } template <class T> T barsum(vector<T> &v, ll x0, ll x1) { if (x1 <= x0) return 0; return v[x1] - v[x0]; } // 2次元累積和 template <class T> vector<vector<T>> sheetsuminit(vector<vector<T>> &v) { ll h = v.size(); assert(h != 0); ll w = v.at(0).size(); VV<T> ret(h + 1, V<T>(w + 1)); rep(i, h + 1) ret[i][0] = 0; rep(i, w + 1) ret[0][i] = 0; rep(i, h) rep(j, w) ret[i + 1][j + 1] = v[i][j]; rep(i, h) rep(j, w) ret[i + 1][j + 1] += ret[i + 1][j]; rep(i, h) rep(j, w) ret[i + 1][j + 1] += ret[i][j + 1]; return ret; } //[x0,y0],(x1,y1)で囲まれた領域内の和 // 端点は(x,y)のみ含む.面積は(x1-x0)*(y1-y0); template <class T> T sheetsum(vector<vector<T>> &v, ll x0, ll y0, ll x1, ll y1) { if (x0 >= x1 || y0 >= y1) return 0; return v[x0][y0] + v[x1][y1] - v[x0][y1] - v[x1][y0]; } // 3次元累積和 template <class T> vector<vector<vector<T>>> cubiodsuminit(vector<vector<vector<T>>> &v) { ll h = v.size(); assert(h != 0); ll w = v[0].size(); assert(w != 0); ll z = v[0][0].size(); VVV<T> ret(h + 1, VV<T>(w + 1, V<T>(z + 1))); rep(i, h + 1) rep(j, w + 1) rep(k, z + 1) { ret[i][j][k] = (i == 0 || j == 0 || k == 0 ? 0 : v[i - 1][j - 1][k - 1]); } rep(i, h) rep(j, w) rep(k, z) ret[i + 1][j + 1][k + 1] += ret[i + 1][j + 1][k]; rep(i, h) rep(j, w) rep(k, z) ret[i + 1][j + 1][k + 1] += ret[i + 1][j][k + 1]; rep(i, h) rep(j, w) rep(k, z) ret[i + 1][j + 1][k + 1] += ret[i][j + 1][k + 1]; return ret; } //[x0,y0],(x1,y1)で囲まれた領域内の和 // 端点は(x,y)のみ含む.面積は(x1-x0)*(y1-y0); template <class T> T cubiodsum(vector<vector<vector<T>>> &v, ll x0, ll y0, ll z0, ll x1, ll y1, ll z1) { if (x0 >= x1 || y0 >= y1 || z0 >= z1) return 0; return v[x1][y1][z1] - v[x1][y1][z0] - v[x1][y0][z1] - v[x0][y1][z1] + v[x1][y0][z0] + v[x0][y1][z0] + v[x0][y0][z1] - v[x0][y0][z0]; } #pragma endregion ////////////// 構造体 /////////////////////////// #pragma region objects template <class T = ll> struct BIT { // もとの配列a[i]はBIT内部ではvec[i+1]に対応 vector<T> vec; ll n; ll pw2 = 1; // n以下の最大の2冪 BIT(long long sz) : vec(sz + 1, 0), n(sz) { while (pw2 * 2 <= n) { pw2 *= 2; } } // 元の値に足す 更新は不可 void add(long long place, T val, bool index = 0) { if (!index) place++; for (long long x = place; x <= n; x += x & -x) vec[x] += val; } // 端からの合計値計算 T sum0(long long a, bool index = 0) { if (index) a--; T ret = 0; for (int x = a; x > 0; x -= x & -x) ret += vec[x]; return ret; } // クエリ T sum(long long a, long long b) { return sum0(b) - sum0(a); } // 更新 クエリと併用で可能にした void update(long long place, T val, bool index = 0) { T old = sum(place, place + 1); add(place, val - old); return; } ll LowerBound(T val, long long start = 0) { // startから足していって初めてval以上になる箇所を0-indexedで返す // 要素が全て非負のときのみ // [start, ret) >= val を満たすstart以上の最小のret // どこまで足してもvalに達しないときはn+1を返す if (val <= 0) return start; val += sum0(start); long long x = 0; ll p = 1; for (long long k = pw2; k > 0; k /= 2) { if (x + k <= n && vec[x + k] < val) { val -= vec[x + k]; x += k; } } return max(start, x + 1); } ll UpperBound(T val, long long start = 0) { // startから足していって初めてvalより大になる箇所を0-indexedで返す // 要素が全て非負のときのみ // [start, ret) > val を満たすstart以上の最小のret // どこまで足してもvalより大に達しないときはn+1を返す if (val < 0 /*LBとの変更点*/) return start; val += sum0(start); long long x = 0; ll p = 1; for (long long k = pw2; k > 0; k /= 2) { if (x + k <= n && vec[x + k] <= /*LBとの変更点*/ val) { val -= vec[x + k]; x += k; } } return max(start, x + 1); } }; template <class T = ll> struct edge { T len; ll to; }; template <class T = ll> struct graph { // 0-indexed vector<vector<edge<T>>> edges; bool directed, weight; long long ver; // constructor graph(long long vertex, bool direction = 0, bool weigh = 0) : edges(vertex) { ver = vertex; directed = direction; weight = weigh; edges.resize(vertex); } // 辺の追加 (0-indexed) void update(long long from, long long to, T len = 1, bool direction = 1) { edge<T> e; e.to = to; e.len = len; edges[from].push_back(e); if (!direction) { e.to = from; edges[to].push_back(e); } } // 入力受取 (1-indexed) void input(long long edge_num, long long index = 1) { rep(i, edge_num) { ll a; ll b; cin >> a >> b; a -= index; b -= index; T c; if (weight) cin >> c; else c = 1; update(a, b, c, directed); } } // 長さが負のpathがないときの単一始点最短経路<vll> O((ver)log(ver)+(edge)) vector<T> dijkstra(long long start) { vector<T> ret(ver, (T)dekai); pqup<pair<T, long long>> p; //{dist,place} p.push({0, start}); ret[start] = 0; while (!p.empty()) { T dist = p.top().first; ll place = p.top().second; p.pop(); if (ret[place] < dist) continue; for (auto &next : edges[place]) { ll nextplace = next.to; T dis = next.len; if (chmin(ret[nextplace], dist + dis)) { p.push({ret[nextplace], nextplace}); } } } return ret; } // 単一始点最短経路 O((ver)*(edge)) // ある頂点までのコストが無限に小さくなり得るとき→ ret[i] = -dekai; vector<T> BellmanFord(long long start) { vector<T> ret(ver, dekai); ret[start] = 0; rep(loop, ver - 1) { rep(v, ver) { for (auto &e : edges[v]) { chmin(ret[e.to], ret[v] + e.len); } } } // 無限降下点の検索 queue<ll> q; vb chk(ver, 0); rep(v, ver) { for (auto &e : edges[v]) { if (chmin(ret[e.to], ret[v] + e.len)) { if (!chk[e.to]) { q.push(e.to); chk[e.to] = 1; } } } } while (!q.empty()) { ll now = q.front(); q.pop(); for (auto &e : edges[now]) { if (!chk[e.to]) { chk[e.to] = 1; q.push(e.to); } } } rep(i, ver) if (chk[i]) ret[i] = -dekai; return ret; } // 閉路に含まれない頂点列挙 // 要素数がver未満なら閉路が存在、そうでなければ閉路は存在しない vector<long long> topo_sort() { assert(directed); vector<long long> num_input(ver); // 入次数 for (long long i = 0; i < ver; i++) { for (auto e : edges[i]) { num_input[e.to]++; } } // 入次数が0のノードをqueueで管理する queue<long long> que; for (int i = 0; i < ver; i++) { if (num_input[i] == 0) { que.push(i); } } vector<long long> ans; while (!que.empty()) { auto node = que.front(); que.pop(); ans.push_back(node); // 頂点の削除 for (auto e : edges[node]) { num_input[e.to]--; // 行き先の入次数が0になったらqueueに追加 if (num_input[e.to] == 0) { que.push(e.to); } } } return ans; } pair<pair<long long, long long>, T> DiameterOfTree() { //{{端点、端点},直径の大きさ} ll v1, v2; // 0ともっとも遠い点、v1と最も遠い点 V<T> dis(ver, -1); dis[0] = 0; queue<ll> q; q.push(0); while (!q.empty()) { ll now = q.front(); q.pop(); for (auto &e : edges[now]) { if (dis[e.to] != -1) continue; dis[e.to] = dis[now] + e.len; q.push(e.to); } if (q.empty()) v1 = now; } rep(i, ver) dis[i] = -1; dis[v1] = 0; q.push(v1); while (!q.empty()) { ll now = q.front(); q.pop(); for (auto &e : edges[now]) { if (dis[e.to] != -1) continue; dis[e.to] = dis[now] + e.len; q.push(e.to); } if (q.empty()) v2 = now; } pair<pll, T> ans = {{v1, v2}, dis[v2]}; return ans; } // 無向木構造を根から葉に伸びる有向木構造に書き換える graph<T> RootToLeaf(ll root) { // 0-indexed graph<T> ret(ver, 1, weight); vb chk(ver, 0); chk[root] = 1; function<void(ll)> dfs = [&](ll now) { for (auto &e : edges[now]) { if (chk[e.to] == 1) continue; chk[e.to] = 1; ret.update(now, e.to, e.len, 1); dfs(e.to); } }; dfs(root); return ret; } // 無向木構造を葉から根に伸びる有向木構造に書き換える graph<T> LeafToRoot(ll root) { // 0-indexed graph<T> ret(ver, 1, weight); vb chk(ver, 0); chk[root] = 1; function<void(ll)> dfs = [&](ll now) { for (auto &e : edges[now]) { if (chk[e.to] == 1) continue; chk[e.to] = 1; ret.update(e.to, now, e.len, 1); dfs(e.to); } }; dfs(root); ret.update(root, root, 0); return ret; } // LeafToRootのvector版.par[i]=iの親の頂点 vector<long long> par(ll root) { // 0-indexed vll ret(ver, -1); ret[root] = root; // rootの親はroot function<void(ll)> dfs = [&](ll now) { for (auto &e : edges[now]) { if (ret[e.to] != -1) continue; ret[e.to] = now; dfs(e.to); } }; dfs(root); return ret; } vector<edge<T>> ParentAndDistance(ll root) { // 0-indexed V<edge<T>> ret(ver); rep(i, ver) ret[i].to = -1; ret[root].to = root; // rootの親はroot ret[root].len = 0; // rootの親との距離は0 function<void(ll)> dfs = [&](ll now) { for (auto &e : edges[now]) { if (ret[e.to].to != -1) continue; ret[e.to].to = now; ret[e.to].len = e.len; dfs(e.to); } }; dfs(root); return ret; } // 隣接sheet.主にwarshall用 VV<T> GraphArray(void) { VV<T> ret(ver, V<ll>(ver, dekai)); rep(from, ver) { for (auto &e : edges[from]) { ret[from][e.to] = e.len; } ret[from][from] = 0; } return ret; } }; struct mint { // auto mod int // https://youtu.be/L8grWxBlIZ4?t=9858 // https://youtu.be/ERZuLAxZffQ?t=4807 : optimize // https://youtu.be/8uowVvQ_-Mo?t=1329 : division ll x; // typedef long long ll; mint(ll x = 0) : x((x % mod + mod) % mod) {} mint operator-() const { return mint(-x); } mint &operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint &operator-=(const mint a) { if ((x += mod - a.x) >= mod) x -= mod; return *this; } mint &operator*=(const mint a) { (x *= a.x) %= mod; return *this; } mint operator+(const mint a) const { return mint(*this) += a; } mint operator-(const mint a) const { return mint(*this) -= a; } mint operator*(const mint a) const { return mint(*this) *= a; } mint pow(ll t) const { if (!t) return 1; mint a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod - 2); } mint &operator/=(const mint a) { return *this *= a.inv(); } mint operator/(const mint a) const { return mint(*this) /= a; } }; istream &operator>>(istream &is, const mint &a) { return is >> a.x; } ostream &operator<<(ostream &os, const mint &a) { return os << a.x; } #pragma endregion ////////////////// メモ ////////////////////// #pragma region memo #pragma region programming_memo // Ctrl+Shift+[:折りたたみ // Ctrl+Shift+]:展開 // Ctrl+k Ctrl+l:折り畳み/展開のトグル // Ctrl+k Ctrl+[:再帰的に折りたたみ // Ctrl+k Ctrl+]:再帰的に展開 // Ctrl+k Ctrl+0:すべて折りたたみ // Ctrl+k Ctrl+j:すべて展開 // Ctrl+k Ctrl+1:レベル1で折りたたみ // Ctrl+k Ctrl+2:レベル2で折りたたみ // Ctrl+k Ctrl+3:レベル3で折りたたみ // Ctrl+k Ctrl+8:すべての領域(region)の折りたたみ // Ctrl+k Ctrl+9:すべての領域(region)の展開 // Ctrl+k Ctrl+/:すべてのブロックコメントの折りたたみ // long long intとして表示 // (印字対象データの最上位ビットが立っているので負数とみなされる) printf("case3: // %lld\n", a); // C++拡張機能の更新で急にエラーの下線が表示されなくなった // 下の青の線が紫になったり // →ディレクトリを直すと直った(良く分からん) // c char 文字 // s char *文字列 // d int, short 10進の整数 // u unsigned int, unsigned short 10進の符号なし整数 // o int, short, unsigned int,unsigned short 8進の整数 // x int, short, unsigned int,unsigned short 16進の整数 // f float 浮動小数点数 // e float 浮動小数点数の指数表示 // g float %eもしくは %fのどちらか最適な形式の浮動小数点数 // ld long 10進の倍精度整数 // lu unsinged long 10進の符号なし倍精度整数 // lo long,unsinged long 8進の倍精度整数 // lf double 倍精度浮動小数点数 // a double 16進の倍精度浮動小数点数 // lld long long #pragma endregion #pragma endregion #pragma endregion int main() { ios::sync_with_stdio(false); cin.tie(nullptr); // cout << fixed << setprecision(15); ll n; cin >> n; vll a2(n, 0), a5(n, 0); // 含まれる2,5の素因数の数 rep(i, n) { string s; cin >> s; string t; ll m = s.size(); ll pt = m - 1; // debug(s); rep(j, m) { if (s[j] == '.') { pt = j; } else { t += s[j]; } } ll k = m - pt - 1; // 10でなんか祝ってるか ll num = stoll(t); ll cnt2 = 0, cnt5 = 0; while (num % 2 == 0) { num /= 2; cnt2++; } while (num % 5 == 0) { num /= 5; cnt5++; } a2[i] = cnt2 - k; a5[i] = cnt5 - k; } // debug(a2); // debug(a5); ll h = 201, w = 100; vvll v(h, vll(h, (0LL))); rep(i, n) { v[a2[i] + w][a5[i] + w]++; } auto she = sheetsuminit(v); ll ans = 0; ll res = 0; rep(i, h) { rep(j, h) { ll x, y; x = h - 1 - i; y = h - 1 - j; ll add = v[i][j] * sheetsum(she, x, y, h, h); ans += add; if (add) { // debug(i - w); // debug(j - w); // debug(add); // debug(ans); } if (x <= i && y <= j) { res += v[i][j]; // debug(v[i][j]); // debug(res); } } } // debug(ans); // debug(res); ans -= res; ans /= 2; cout << ans << endl; }
replace
803
804
803
804
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; mt19937 mt(736); void solve(istream &cin = std::cin, ostream &cout = std::cout) { int n; cin >> n; vector<ll> arr(n); for (auto &it : arr) { string str; cin >> str; if (str.find('.') == string::npos) str.push_back('.'); str.resize(str.find('.') + 10, '0'); it = stoi(str.substr(0, str.find('.'))) * (ll)1e9 + stoi(str.substr(str.find('.') + 1)); } #ifdef LOCAL for (auto it : arr) cout << it << ' '; cout << endl; #endif vector<vector<int>> cnt(19, vector<int>(19)); for (auto it : arr) if (it != 0) { int two = 0, five = 0; while (it % 2 == 0) { it /= 2; two++; } while (it % 5 == 0) { it /= 5; five++; } cnt[two][five]++; } else cnt.back().back()++; auto C2 = [](ll q) { return q * (q - 1ll) / 2; }; ll ans = 0; for (int two = 0; two < cnt.size(); two++) for (int five = 0; five < cnt.size(); five++) for (int i = 18 - two; i < cnt.size(); i++) for (int j = 18 - five; j < cnt.size(); j++) { if (two == i && five == j) ans += 2 * C2(cnt[i][j]); else ans += cnt[two][five] * (ll)cnt[i][j]; } cout << ans / 2 << endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed; #ifdef LOCAL auto st = clock(); ifstream fin("../input.txt"); do { solve(fin); cout << "===" << endl; string str; while (getline(fin, str) && str != string(max(1, (int)str.size()), '=')) ; } while (fin); cout << setprecision(6) << "clock: " << double(clock() - st) / CLOCKS_PER_SEC << endl; #else solve(); #endif return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; mt19937 mt(736); void solve(istream &cin = std::cin, ostream &cout = std::cout) { int n; cin >> n; vector<ll> arr(n); for (auto &it : arr) { string str; cin >> str; if (str.find('.') == string::npos) str.push_back('.'); str.resize(str.find('.') + 10, '0'); it = stoi(str.substr(0, str.find('.'))) * (ll)1e9 + stoi(str.substr(str.find('.') + 1)); } #ifdef LOCAL for (auto it : arr) cout << it << ' '; cout << endl; #endif vector<vector<int>> cnt(19, vector<int>(19)); for (auto it : arr) if (it != 0) { int two = 0, five = 0; while (it % 2 == 0) { it /= 2; two++; } while (it % 5 == 0) { it /= 5; five++; } cnt[min(two, (int)cnt.size() - 1)][min(five, (int)cnt.size() - 1)]++; } else cnt.back().back()++; auto C2 = [](ll q) { return q * (q - 1ll) / 2; }; ll ans = 0; for (int two = 0; two < cnt.size(); two++) for (int five = 0; five < cnt.size(); five++) for (int i = 18 - two; i < cnt.size(); i++) for (int j = 18 - five; j < cnt.size(); j++) { if (two == i && five == j) ans += 2 * C2(cnt[i][j]); else ans += cnt[two][five] * (ll)cnt[i][j]; } cout << ans / 2 << endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed; #ifdef LOCAL auto st = clock(); ifstream fin("../input.txt"); do { solve(fin); cout << "===" << endl; string str; while (getline(fin, str) && str != string(max(1, (int)str.size()), '=')) ; } while (fin); cout << setprecision(6) << "clock: " << double(clock() - st) / CLOCKS_PER_SEC << endl; #else solve(); #endif return 0; }
replace
52
53
52
53
0
p02588
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using vi = vector<int>; using vvi = vector<vector<int>>; using vvvi = vector<vector<vector<int>>>; using vl = vector<ll>; using vvl = vector<vector<ll>>; using vvvl = vector<vector<vector<ll>>>; using vs = vector<string>; using vb = vector<bool>; #define FOR(i, m, n) for (int i = (m); i < (n); i++) #define FORR(i, m, n) for (int i = (m); i >= (n); i--) #define REP(i, n) FOR(i, 0, (n)) #define REPR(i, n) FORR(i, (n)-1, 0) #define REP1(i, n) FOR(i, 1, (n) + 1) #define REPS(c, s) for (char c : s) #define ALL(c) (c).begin(), (c).end() #define SORT(c) sort(ALL(c)) #define REV(c) reverse(ALL(c)) #define sz(v) (int)v.size() #define endl '\n' template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline void prn(vector<T> &v) { int n = sz(v); REP(i, n) cout << v[i] << ' '; } template <class T> inline void printv(vector<T> &v) { int n = sz(v); REP(i, n) cout << v[i] << (i == n - 1 ? endl : ' '); } template <class T> inline void printvv(vector<vector<T>> &v) { for (auto u : v) printv(u); } template <class T> inline void printlnv(vector<T> &v) { int n = sz(v); REP(i, n) cout << v[i] << endl; } const int MOD = 1000000007; const int INF = 1000000001; const ll LINF = 1000000001000000001LL; void solve(); int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(numeric_limits<double>::max_digits10); solve(); return 0; } map<ll, ll> prime_factorization(ll n) { map<ll, ll> m; ll x = n; ll d = 2; while (x > 1 && d * d <= n) { if (x % d == 0) { m[d]++; x /= d; } else { d++; } } if (x != 1) m[x]++; return m; } void solve() { int n; cin >> n; double d; map<pair<int, int>, ll> m; REP(i, n) { cin >> d; auto l = prime_factorization(llround(d * 1000000000)); m[make_pair(l[2], l[5])]++; } ll ans = 0; for (auto e : m) { for (auto f : m) { if (e.first.first + f.first.first >= 18 and e.first.second + f.first.second >= 18) { if (e.first == f.first) { ans += e.second * (e.second - 1); } else { ans += e.second * f.second; } } } } cout << ans / 2 << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using vi = vector<int>; using vvi = vector<vector<int>>; using vvvi = vector<vector<vector<int>>>; using vl = vector<ll>; using vvl = vector<vector<ll>>; using vvvl = vector<vector<vector<ll>>>; using vs = vector<string>; using vb = vector<bool>; #define FOR(i, m, n) for (int i = (m); i < (n); i++) #define FORR(i, m, n) for (int i = (m); i >= (n); i--) #define REP(i, n) FOR(i, 0, (n)) #define REPR(i, n) FORR(i, (n)-1, 0) #define REP1(i, n) FOR(i, 1, (n) + 1) #define REPS(c, s) for (char c : s) #define ALL(c) (c).begin(), (c).end() #define SORT(c) sort(ALL(c)) #define REV(c) reverse(ALL(c)) #define sz(v) (int)v.size() #define endl '\n' template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline void prn(vector<T> &v) { int n = sz(v); REP(i, n) cout << v[i] << ' '; } template <class T> inline void printv(vector<T> &v) { int n = sz(v); REP(i, n) cout << v[i] << (i == n - 1 ? endl : ' '); } template <class T> inline void printvv(vector<vector<T>> &v) { for (auto u : v) printv(u); } template <class T> inline void printlnv(vector<T> &v) { int n = sz(v); REP(i, n) cout << v[i] << endl; } const int MOD = 1000000007; const int INF = 1000000001; const ll LINF = 1000000001000000001LL; void solve(); int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(numeric_limits<double>::max_digits10); solve(); return 0; } map<ll, ll> prime_factorization(ll n) { map<ll, ll> m; ll x = n; ll d = 2; while (x > 1 && d * d <= n) { if (x % d == 0) { m[d]++; x /= d; } else { d++; } } if (x != 1) m[x]++; return m; } void solve() { int n; cin >> n; double d; map<pair<int, int>, ll> m; REP(i, n) { cin >> d; // auto l = prime_factorization(llround(d * 1000000000)); auto l = llround(d * 1000000000); int two = 0; while (l % 2 == 0) { two++; l /= 2; } int five = 0; while (l % 5 == 0) { five++; l /= 5; } m[make_pair(two, five)]++; } ll ans = 0; for (auto e : m) { for (auto f : m) { if (e.first.first + f.first.first >= 18 and e.first.second + f.first.second >= 18) { if (e.first == f.first) { ans += e.second * (e.second - 1); } else { ans += e.second * f.second; } } } } cout << ans / 2 << endl; }
replace
92
94
92
105
TLE
p02588
C++
Runtime Error
// g++ -std=c++14 test.cpp -o test.out // 問題URL // https://atcoder.jp/contests/agc047/tasks/agc047_a // 参考:https://maspypy.com/atcoder-%E5%8F%82%E5%8A%A0%E6%84%9F%E6%83%B3-2020-08-09agc047 // https://www.hamayanhamayan.com/entry/2020/08/10/054247 // 小数をdoubleで受け取った時点で誤差が発生する、ということが考えられる。 // →string型で受け取ると良い // Double型の変数で、例えば整数部4桁、小数部9桁の数を10倍してlongに変換する時、 // そのままx = y*10000000000などとやると誤差のせいでうまくいかないこともある // Double型変数を一度文字列に変換、それをlongに直してやる必要がある #include <algorithm> #include <bitset> #include <cassert> #include <functional> #include <iomanip> #include <iostream> #include <limits.h> #include <map> #include <math.h> #include <queue> #include <set> #include <stack> #include <stdlib.h> #include <string.h> #include <unordered_map> #include <utility> #include <vector> using namespace std; #define LL long long int const LL INF = (1LL << 60); const int INF_INT = 2147483647 - 1e6 - 1; const LL mod = 1000000007ll; const int mod_int = 1000000007; LL N; LL A[200000]; LL ans = 0; // xがdivisorを何個約数に持つかを返す LL numof_divisor(LL x, LL divisor) { if (x == 0) return 0; for (LL i = 0;; i++) { if (x % divisor == 0) { x /= divisor; } else return i; } } void solve() { // 集合Aのうち、約数として2をi個、5をj個持つような数の個数をdiv25[i][j]とする vector<vector<LL>> div25(19, vector<LL>(19, 0)); for (int i = 0; i < N; i++) { LL d2 = numof_divisor(A[i], 2); LL d5 = numof_divisor(A[i], 5); div25[d2][d5]++; } for (int i = 0; i < N; i++) { LL d2 = min(18LL, numof_divisor(A[i], 2)); LL d5 = min(18LL, numof_divisor(A[i], 5)); for (int i = 18 - d2; i <= 18; i++) { for (int j = 18 - d5; j <= 18; j++) { ans += div25[i][j]; if (i == d2 && j == d5) ans--; } } } ans /= 2; } int main() { cin >> N; for (int i = 0; i < N; i++) { string s; cin >> s; A[i] = 0; bool rest_flag = false; int rest = 9; for (int j = 0; j < s.size(); j++) { if (s[j] == '.') rest_flag = true; else { A[i] = A[i] * 10LL + (s[j] - '0'); if (rest_flag) rest--; } } for (int j = 0; j < rest; j++) A[i] *= 10LL; } solve(); cout << ans << endl; return 0; }
// g++ -std=c++14 test.cpp -o test.out // 問題URL // https://atcoder.jp/contests/agc047/tasks/agc047_a // 参考:https://maspypy.com/atcoder-%E5%8F%82%E5%8A%A0%E6%84%9F%E6%83%B3-2020-08-09agc047 // https://www.hamayanhamayan.com/entry/2020/08/10/054247 // 小数をdoubleで受け取った時点で誤差が発生する、ということが考えられる。 // →string型で受け取ると良い // Double型の変数で、例えば整数部4桁、小数部9桁の数を10倍してlongに変換する時、 // そのままx = y*10000000000などとやると誤差のせいでうまくいかないこともある // Double型変数を一度文字列に変換、それをlongに直してやる必要がある #include <algorithm> #include <bitset> #include <cassert> #include <functional> #include <iomanip> #include <iostream> #include <limits.h> #include <map> #include <math.h> #include <queue> #include <set> #include <stack> #include <stdlib.h> #include <string.h> #include <unordered_map> #include <utility> #include <vector> using namespace std; #define LL long long int const LL INF = (1LL << 60); const int INF_INT = 2147483647 - 1e6 - 1; const LL mod = 1000000007ll; const int mod_int = 1000000007; LL N; LL A[200000]; LL ans = 0; // xがdivisorを何個約数に持つかを返す LL numof_divisor(LL x, LL divisor) { if (x == 0) return 0; for (LL i = 0;; i++) { if (x % divisor == 0) { x /= divisor; } else return i; } } void solve() { // 集合Aのうち、約数として2をi個、5をj個持つような数の個数をdiv25[i][j]とする vector<vector<LL>> div25(19, vector<LL>(19, 0)); for (int i = 0; i < N; i++) { LL d2 = min(18LL, numof_divisor(A[i], 2)); LL d5 = min(18LL, numof_divisor(A[i], 5)); div25[d2][d5]++; } for (int i = 0; i < N; i++) { LL d2 = min(18LL, numof_divisor(A[i], 2)); LL d5 = min(18LL, numof_divisor(A[i], 5)); for (int i = 18 - d2; i <= 18; i++) { for (int j = 18 - d5; j <= 18; j++) { ans += div25[i][j]; if (i == d2 && j == d5) ans--; } } } ans /= 2; } int main() { cin >> N; for (int i = 0; i < N; i++) { string s; cin >> s; A[i] = 0; bool rest_flag = false; int rest = 9; for (int j = 0; j < s.size(); j++) { if (s[j] == '.') rest_flag = true; else { A[i] = A[i] * 10LL + (s[j] - '0'); if (rest_flag) rest--; } } for (int j = 0; j < rest; j++) A[i] *= 10LL; } solve(); cout << ans << endl; return 0; }
replace
58
60
58
60
0
p02588
C++
Runtime Error
// warm heart, wagging tail,and a smile just for you! // ███████████ // ███╬╬╬╬╬╬╬╬╬╬███ // ███╬╬╬╬╬████╬╬╬╬╬╬███ // ███████████ // ██╬╬╬╬╬████╬╬████╬╬╬╬╬██ // █████████╬╬╬╬╬████████████╬╬╬╬╬██╬╬╬╬╬╬███╬╬╬╬╬██ // ████████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████████╬╬╬╬╬╬██╬╬╬╬╬╬╬██ // ████╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████████╬╬╬╬╬╬╬╬╬╬╬██ // ███╬╬╬█╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬███╬╬╬╬╬╬╬█████ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬████████╬╬╬╬╬██ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬╬╬╬╬╬╬╬███ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬██ // ████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████╬╬╬╬╬████ // █████████████╬╬╬╬╬╬╬╬██╬╬╬╬╬████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬╬╬██████ // ████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬██████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██████╬╬╬╬╬╬╬███████████╬╬╬╬╬╬╬╬██╬╬╬██╬╬╬██ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████╬╬╬╬╬╬╬╬╬╬╬█╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬██ // ██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬▓▓▓▓▓▓╬╬╬████╬╬████╬╬╬╬╬╬╬▓▓▓▓▓▓▓▓██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬███ // ██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██████▓▓▓▓▓▓▓╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬▓▓▓▓▓▓▓██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬█████ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████████ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██ // ██████████████ // ████╬╬╬╬╬╬███████████████████████████╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████ // ███████ █████ // ███████████████████ // #include "bits/stdc++.h" using namespace std; #define INF (1 << 30) #define LINF (1LL << 60) #define fs first #define sc second #define int long long #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define FOR2(i, a, b) for (int i = (a); i <= (b); ++i) #define RFOR(i, a, b) for (int i = (b - 1); i >= (a); --i) #define RFOR2(i, a, b) for (int i = (b); i >= (a); --i) #define REP(i, n) FOR(i, 0, (n)) #define REP2(i, n) FOR2(i, 0, (n)) #define RREP(i, n) RFOR(i, 0, (n)) #define RREP2(i, n) RFOR2(i, 0, (n)) #define ITR(itr, mp) for (auto itr = (mp).begin(); itr != (mp).end(); ++itr) #define RITR(itr, mp) for (auto itr = (mp).rbegin(); itr != (mp).rend(); ++itr) #define range(i, a, b) ((a) <= (i) && (i) < (b)) #define debug(x) cout << #x << " = " << (x) << endl #define SP << " " << template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { if (a > b) { a = b; return true; } else return false; } template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { if (a < b) { a = b; return true; } else return false; } #define MSB(x) (63 - __builtin_clzll(x)) #define pcnt(x) (__builtin_popcountll(x)) #define parity(i, j) (i & (1LL << j)) typedef pair<int, int> P; typedef tuple<int, int, int> T; typedef vector<int> vec; typedef vector<vector<int>> mat; void solve() { int N; cin >> N; mat a(20, vec(20, 0)); REP(_, N) { string S; cin >> S; bool f = false; int d = 0; int num = 0; REP(i, S.size()) { if (S[i] == '.') f = true; else { num *= 10; num += S[i] - '0'; if (f) d++; } } int x = 0, y = 0; while (d < 10) num *= 10, d++; while (num % 2 == 0) x++, num /= 2; while (num % 5 == 0) y++, num /= 5; a[x][y]++; // cout << x SP y << endl; } int ans = 0; REP(i, 20) REP(j, 20) { REP(k, 20) REP(l, 20) { if (i + k >= 20 && j + l >= 20 && (i != k || j != l)) ans += a[i][j] * a[k][l]; } } ans /= 2; REP(i, 20) REP(j, 20) { if (i * 2 >= 20 && j * 2 >= 20) ans += a[i][j] * (a[i][j] - 1) / 2; } cout << ans << endl; } signed main() { ios::sync_with_stdio(false); cin.tie(0); int T = 1; // cin >> T; while (T--) solve(); return 0; }
// warm heart, wagging tail,and a smile just for you! // ███████████ // ███╬╬╬╬╬╬╬╬╬╬███ // ███╬╬╬╬╬████╬╬╬╬╬╬███ // ███████████ // ██╬╬╬╬╬████╬╬████╬╬╬╬╬██ // █████████╬╬╬╬╬████████████╬╬╬╬╬██╬╬╬╬╬╬███╬╬╬╬╬██ // ████████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████████╬╬╬╬╬╬██╬╬╬╬╬╬╬██ // ████╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████████╬╬╬╬╬╬╬╬╬╬╬██ // ███╬╬╬█╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬███╬╬╬╬╬╬╬█████ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬████████╬╬╬╬╬██ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬╬╬╬╬╬╬╬███ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬██ // ████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████╬╬╬╬╬████ // █████████████╬╬╬╬╬╬╬╬██╬╬╬╬╬████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬╬╬██████ // ████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬██████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██████╬╬╬╬╬╬╬███████████╬╬╬╬╬╬╬╬██╬╬╬██╬╬╬██ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████╬╬╬╬╬╬╬╬╬╬╬█╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬██ // ██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬▓▓▓▓▓▓╬╬╬████╬╬████╬╬╬╬╬╬╬▓▓▓▓▓▓▓▓██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬███ // ██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██████▓▓▓▓▓▓▓╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬▓▓▓▓▓▓▓██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬█████ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████████ // ███╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██ // ██████████████ // ████╬╬╬╬╬╬███████████████████████████╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████ // ███████ █████ // ███████████████████ // #include "bits/stdc++.h" using namespace std; #define INF (1 << 30) #define LINF (1LL << 60) #define fs first #define sc second #define int long long #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define FOR2(i, a, b) for (int i = (a); i <= (b); ++i) #define RFOR(i, a, b) for (int i = (b - 1); i >= (a); --i) #define RFOR2(i, a, b) for (int i = (b); i >= (a); --i) #define REP(i, n) FOR(i, 0, (n)) #define REP2(i, n) FOR2(i, 0, (n)) #define RREP(i, n) RFOR(i, 0, (n)) #define RREP2(i, n) RFOR2(i, 0, (n)) #define ITR(itr, mp) for (auto itr = (mp).begin(); itr != (mp).end(); ++itr) #define RITR(itr, mp) for (auto itr = (mp).rbegin(); itr != (mp).rend(); ++itr) #define range(i, a, b) ((a) <= (i) && (i) < (b)) #define debug(x) cout << #x << " = " << (x) << endl #define SP << " " << template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { if (a > b) { a = b; return true; } else return false; } template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { if (a < b) { a = b; return true; } else return false; } #define MSB(x) (63 - __builtin_clzll(x)) #define pcnt(x) (__builtin_popcountll(x)) #define parity(i, j) (i & (1LL << j)) typedef pair<int, int> P; typedef tuple<int, int, int> T; typedef vector<int> vec; typedef vector<vector<int>> mat; void solve() { int N; cin >> N; mat a(20, vec(20, 0)); REP(_, N) { string S; cin >> S; bool f = false; int d = 0; int num = 0; REP(i, S.size()) { if (S[i] == '.') f = true; else { num *= 10; num += S[i] - '0'; if (f) d++; } } int x = 0, y = 0; while (d < 10) num *= 10, d++; while (num % 2 == 0) x++, num /= 2; while (num % 5 == 0) y++, num /= 5; chmin(x, 19); chmin(y, 19); a[x][y]++; // cout << x SP y << endl; } int ans = 0; REP(i, 20) REP(j, 20) { REP(k, 20) REP(l, 20) { if (i + k >= 20 && j + l >= 20 && (i != k || j != l)) ans += a[i][j] * a[k][l]; } } ans /= 2; REP(i, 20) REP(j, 20) { if (i * 2 >= 20 && j * 2 >= 20) ans += a[i][j] * (a[i][j] - 1) / 2; } cout << ans << endl; } signed main() { ios::sync_with_stdio(false); cin.tie(0); int T = 1; // cin >> T; while (T--) solve(); return 0; }
insert
98
98
98
100
0
p02588
C++
Runtime Error
#include <algorithm> #include <cassert> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <functional> #include <iomanip> #include <iostream> #include <limits> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <time.h> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define debug(x) cout << #x << " = " << (x) << endl; #define rep(i, n) for (int i = 0; i < n; i++) #define repr(i, n) for (int i = n - 1; i >= 0; i--) #define pb push_back #define mp make_pair #define F first #define S second const long double pi = 3.141592653589793; const int mod = 1e9 + 7; vector<pair<int, int>> vp; int N; int dp[10099][40]; pair<int, int> find_repr(string &s) { int n = s.size(); ll num = 0; int di = -1; for (int i = 0; i < n; i++) { if (s[i] == '.') { di = i; continue; } num = num * 10 + int(s[i] - '0'); } int j = (di == -1 ? 0 : n - di - 1); for (; j < 9; j++) { num *= 10; } // debug(num); int x = -9, y = -9; while (num % 2 == 0) { x++; num /= 2; } while (num % 5 == 0) { y++; num /= 5; } return {x, y}; } int main() { // freopen("input.in","r",stdin); // freopen("output.out","w",stdout); ios_base::sync_with_stdio(false); cin.tie(NULL); cout << setprecision(10) << fixed; string s; cin >> N; rep(i, N) { cin >> s; vp.pb(find_repr(s)); } sort(vp.begin(), vp.end()); // for(auto x : vp) { // cout<<x.F<<","<<x.S<<" "; // } for (int i = vp.size() - 1; i >= 0; i--) { dp[i][vp[i].S + 10] = 1; for (int j = 0; j <= 20; j++) dp[i][j] += dp[i + 1][j]; } ll ans = 0; for (int i = 0; i < vp.size(); i++) { int x = -vp[i].F, y = -vp[i].S; int j = lower_bound(vp.begin(), vp.end(), mp(x, -999)) - vp.begin(); if (x <= 0) j = i + 1; for (int k = 10 + y; k <= 20; k++) ans += dp[j][k]; } cout << ans << endl; return 0; }
#include <algorithm> #include <cassert> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <functional> #include <iomanip> #include <iostream> #include <limits> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <time.h> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define debug(x) cout << #x << " = " << (x) << endl; #define rep(i, n) for (int i = 0; i < n; i++) #define repr(i, n) for (int i = n - 1; i >= 0; i--) #define pb push_back #define mp make_pair #define F first #define S second const long double pi = 3.141592653589793; const int mod = 1e9 + 7; vector<pair<int, int>> vp; int N; int dp[200099][40]; pair<int, int> find_repr(string &s) { int n = s.size(); ll num = 0; int di = -1; for (int i = 0; i < n; i++) { if (s[i] == '.') { di = i; continue; } num = num * 10 + int(s[i] - '0'); } int j = (di == -1 ? 0 : n - di - 1); for (; j < 9; j++) { num *= 10; } // debug(num); int x = -9, y = -9; while (num % 2 == 0) { x++; num /= 2; } while (num % 5 == 0) { y++; num /= 5; } return {x, y}; } int main() { // freopen("input.in","r",stdin); // freopen("output.out","w",stdout); ios_base::sync_with_stdio(false); cin.tie(NULL); cout << setprecision(10) << fixed; string s; cin >> N; rep(i, N) { cin >> s; vp.pb(find_repr(s)); } sort(vp.begin(), vp.end()); // for(auto x : vp) { // cout<<x.F<<","<<x.S<<" "; // } for (int i = vp.size() - 1; i >= 0; i--) { dp[i][vp[i].S + 10] = 1; for (int j = 0; j <= 20; j++) dp[i][j] += dp[i + 1][j]; } ll ans = 0; for (int i = 0; i < vp.size(); i++) { int x = -vp[i].F, y = -vp[i].S; int j = lower_bound(vp.begin(), vp.end(), mp(x, -999)) - vp.begin(); if (x <= 0) j = i + 1; for (int k = 10 + y; k <= 20; k++) ans += dp[j][k]; } cout << ans << endl; return 0; }
replace
43
44
43
44
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> #include <stdlib.h> using namespace std; typedef long long ll; typedef vector<ll> vec; typedef vector<vec> mat; typedef vector<double> Vec; typedef vector<Vec> Mat; typedef pair<ll, ll> P; typedef pair<double, ll> Pd; typedef pair<double, double> PD; typedef priority_queue<P, vector<P>, greater<P>> P_queue; typedef priority_queue<Pd, vector<Pd>, greater<Pd>> Pd_queue; const ll MOD = 998244353; const ll mod = 1000000007; const ll INF = 1e15; const double DEL = 1e-6; #define REP(i, a, b) for (int i = (int)a; i < (int)b; i++) #define rep(i, n) REP(i, 0, n) #define pb push_back #define mp make_pair #define ALL(a) a.begin(), a.end() #define SORT(a) sort(ALL(a)) #define U_ERASE(V) V.erase(unique(ALL(V)), V.end()); #define ADD(a, b) a = (a + b) % mod #define MUL(a, b) a = (a * b) % mod const ll BIG = 1e9; struct F { ll Two; ll Five; }; bool two_sort(F x, F y) { return x.Two != y.Two ? x.Two < y.Two : x.Five < y.Five; } bool five_sort(F x, F y) { return x.Five != y.Five ? x.Five < y.Five : x.Two < y.Two; } F Change(string S) { ll Count = 9; bool below = false; ll ret = 0; rep(i, S.size()) { if (S[i] == '.') below = true; else { ret *= 10; ret += (S[i] - '0'); if (below) Count--; } } ll two = Count, five = Count; while (!(ret % 2)) { ret /= 2; two++; } while (!(ret % 5)) { ret /= 5; five++; } if (two >= 18) two = 18; if (five >= 18) five = 18; F RET = {two, five}; return RET; } int main() { ll N; cin >> N; vector<F> d; ll Count = 0; rep(i, N) { string S; cin >> S; d.pb(Change(S)); if (d[i].Two >= 9 && d[i].Five >= 9) Count++; } sort(ALL(d), two_sort); vec x(19, 0); ll memo = N - 1; ll ans = 0; rep(i, N) { while (true) { if (d[memo].Two + d[i].Two < 18) break; x[d[memo].Five]++; memo--; } REP(j, 18 - d[i].Five, 19) ans += x[j]; } ans -= Count; ans /= 2; cout << ans << endl; }
#include <bits/stdc++.h> #include <stdlib.h> using namespace std; typedef long long ll; typedef vector<ll> vec; typedef vector<vec> mat; typedef vector<double> Vec; typedef vector<Vec> Mat; typedef pair<ll, ll> P; typedef pair<double, ll> Pd; typedef pair<double, double> PD; typedef priority_queue<P, vector<P>, greater<P>> P_queue; typedef priority_queue<Pd, vector<Pd>, greater<Pd>> Pd_queue; const ll MOD = 998244353; const ll mod = 1000000007; const ll INF = 1e15; const double DEL = 1e-6; #define REP(i, a, b) for (int i = (int)a; i < (int)b; i++) #define rep(i, n) REP(i, 0, n) #define pb push_back #define mp make_pair #define ALL(a) a.begin(), a.end() #define SORT(a) sort(ALL(a)) #define U_ERASE(V) V.erase(unique(ALL(V)), V.end()); #define ADD(a, b) a = (a + b) % mod #define MUL(a, b) a = (a * b) % mod const ll BIG = 1e9; struct F { ll Two; ll Five; }; bool two_sort(F x, F y) { return x.Two != y.Two ? x.Two < y.Two : x.Five < y.Five; } bool five_sort(F x, F y) { return x.Five != y.Five ? x.Five < y.Five : x.Two < y.Two; } F Change(string S) { ll Count = 9; bool below = false; ll ret = 0; rep(i, S.size()) { if (S[i] == '.') below = true; else { ret *= 10; ret += (S[i] - '0'); if (below) Count--; } } ll two = Count, five = Count; while (!(ret % 2)) { ret /= 2; two++; } while (!(ret % 5)) { ret /= 5; five++; } if (two >= 18) two = 18; if (five >= 18) five = 18; F RET = {two, five}; return RET; } int main() { ll N; cin >> N; vector<F> d; ll Count = 0; rep(i, N) { string S; cin >> S; d.pb(Change(S)); if (d[i].Two >= 9 && d[i].Five >= 9) Count++; } sort(ALL(d), two_sort); vec x(19, 0); ll memo = N - 1; ll ans = 0; rep(i, N) { while (memo >= 0) { if (d[memo].Two + d[i].Two < 18) break; x[d[memo].Five]++; memo--; } REP(j, 18 - d[i].Five, 19) ans += x[j]; } ans -= Count; ans /= 2; cout << ans << endl; }
replace
92
93
92
93
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> #pragma GCC optimize("O2,unroll-loops") // #pragma GCC optimize("no-stack-protector,fast-math") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> pii; typedef pair<pii, int> piii; typedef pair<ll, ll> pll; #define debug(x) cerr << #x << '=' << (x) << endl; #define debugp(x) \ cerr << #x << "= {" << (x.first) << ", " << (x.second) << "}" << endl; #define debug2(x, y) \ cerr << "{" << #x << ", " << #y << "} = {" << (x) << ", " << (y) << "}" \ << endl; #define debugv(v) \ { \ cerr << #v << " : "; \ for (auto x : v) \ cerr << x << ' '; \ cerr << endl; \ } #define all(x) x.begin(), x.end() #define pb push_back #define kill(x) return cout << x << '\n', 0; const int inf = 1000000010; const ll INF = 10000000000000010LL; const int mod = 1000000007; const int MAXN = 100010, T = 55; ll ans; // :)) int n, m, k, u, v, x, y, t, a, b; pii A[MAXN]; int cnt[T][T]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); cin >> n; for (int i = 1; i <= n; i++) { ld shit; cin >> shit; ll x = round(shit * 1000000000); while (x % 2 == 0) A[i].first++, x /= 2; while (x % 5 == 0) A[i].second++, x /= 5; cnt[A[i].first][A[i].second]++; // debugp(A[i]) if (min(A[i].first, A[i].second) >= 9) ans--; } for (int i = T - 2; ~i; i--) for (int j = T - 2; ~j; j--) cnt[i][j] += cnt[i + 1][j] + cnt[i][j + 1] - cnt[i + 1][j + 1]; for (int i = 1; i <= n; i++) ans += cnt[max(0, 18 - A[i].first)][max(0, 18 - A[i].second)]; ans /= 2; cout << ans << "\n"; return 0; }
#include <bits/stdc++.h> #pragma GCC optimize("O2,unroll-loops") // #pragma GCC optimize("no-stack-protector,fast-math") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> pii; typedef pair<pii, int> piii; typedef pair<ll, ll> pll; #define debug(x) cerr << #x << '=' << (x) << endl; #define debugp(x) \ cerr << #x << "= {" << (x.first) << ", " << (x.second) << "}" << endl; #define debug2(x, y) \ cerr << "{" << #x << ", " << #y << "} = {" << (x) << ", " << (y) << "}" \ << endl; #define debugv(v) \ { \ cerr << #v << " : "; \ for (auto x : v) \ cerr << x << ' '; \ cerr << endl; \ } #define all(x) x.begin(), x.end() #define pb push_back #define kill(x) return cout << x << '\n', 0; const int inf = 1000000010; const ll INF = 10000000000000010LL; const int mod = 1000000007; const int MAXN = 200010, T = 55; ll ans; // :)) int n, m, k, u, v, x, y, t, a, b; pii A[MAXN]; int cnt[T][T]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); cin >> n; for (int i = 1; i <= n; i++) { ld shit; cin >> shit; ll x = round(shit * 1000000000); while (x % 2 == 0) A[i].first++, x /= 2; while (x % 5 == 0) A[i].second++, x /= 5; cnt[A[i].first][A[i].second]++; // debugp(A[i]) if (min(A[i].first, A[i].second) >= 9) ans--; } for (int i = T - 2; ~i; i--) for (int j = T - 2; ~j; j--) cnt[i][j] += cnt[i + 1][j] + cnt[i][j + 1] - cnt[i + 1][j + 1]; for (int i = 1; i <= n; i++) ans += cnt[max(0, 18 - A[i].first)][max(0, 18 - A[i].second)]; ans /= 2; cout << ans << "\n"; return 0; }
replace
31
32
31
32
0
p02588
C++
Runtime Error
#include <iostream> #define val 1000000000 #define for2(x) for (x = 0; x <= 9; x++) using namespace std; int n, i, b1, b2, b3, b4, c1, c2, c3, c4; long long x, y, r, sol; int a[12][12][12][12]; double curr; long long cmmdc(long long a, long long b) { long long r; while (b != 0) { r = a % b; a = b; b = r; } return a; } int main() { cin >> n; for (i = 1; i <= n; i++) { cin >> curr; curr += 0.0000000001; x = curr * val; y = val; r = cmmdc(x, y); x /= r; y /= r; b1 = b2 = b3 = b4 = 0; if (y == 1) { sol--; } while (x % 2 == 0) { b1++; x /= 2; } while (x % 5 == 0) { b2++; x /= 5; } while (y % 2 == 0) { b3++; y /= 2; } while (y % 5 == 0) { b4++; y /= 5; } a[b1][b2][b3][b4]++; } for2(b1) { for2(b2) { for2(b3) { for2(b4) { if (a[b1][b2][b3][b4] == 0) { continue; } for2(c1) { for2(c2) { for2(c3) { for2(c4) { if (b1 >= c3 && b2 >= c4 && c1 >= b3 && c2 >= b4) { sol += a[b1][b2][b3][b4] * 1LL * a[c1][c2][c3][c4]; } } } } } } } } } sol /= 2; cout << sol; }
#include <iostream> #define val 1000000000 #define for2(x) for (x = 0; x <= 9; x++) using namespace std; int n, i, b1, b2, b3, b4, c1, c2, c3, c4; long long x, y, r, sol; int a[12][12][12][12]; double curr; long long cmmdc(long long a, long long b) { long long r; while (b != 0) { r = a % b; a = b; b = r; } return a; } int main() { cin >> n; for (i = 1; i <= n; i++) { cin >> curr; curr += 0.0000000001; x = curr * val; y = val; r = cmmdc(x, y); x /= r; y /= r; b1 = b2 = b3 = b4 = 0; if (y == 1) { sol--; } while (x % 2 == 0) { b1++; x /= 2; } while (x % 5 == 0) { b2++; x /= 5; } while (y % 2 == 0) { b3++; y /= 2; } while (y % 5 == 0) { b4++; y /= 5; } b1 = min(b1, 9); b2 = min(b2, 9); a[b1][b2][b3][b4]++; } for2(b1) { for2(b2) { for2(b3) { for2(b4) { if (a[b1][b2][b3][b4] == 0) { continue; } for2(c1) { for2(c2) { for2(c3) { for2(c4) { if (b1 >= c3 && b2 >= c4 && c1 >= b3 && c2 >= b4) { sol += a[b1][b2][b3][b4] * 1LL * a[c1][c2][c3][c4]; } } } } } } } } } sol /= 2; cout << sol; }
insert
47
47
47
49
0
p02588
C++
Runtime Error
#include <algorithm> #include <cctype> #include <cstdio> #include <cstring> #include <iostream> #include <utility> #include <vector> #define MAXN 200005 using namespace std; typedef long long ll; typedef pair<int, int> pi; inline pi read() { ll x = 0; pi ans; int f = 0; char c = getchar(); while (!isdigit(c) && c != '.') c = getchar(); while (isdigit(c) || c == '.') { if (c == '.') { f = 1; c = getchar(); continue; } if (f) --ans.first, --ans.second; x = (x << 3) + (x << 1) + (c ^ 48), c = getchar(); } while (x % 2 == 0) x /= 2, ++ans.first; while (x % 5 == 0) x /= 5, ++ans.second; return ans; } pi a[MAXN]; int s[205][205]; const int N = 10; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) a[i] = read(); for (int i = 1; i <= n; i++) ++s[a[i].first + N][a[i].second + N]; for (int i = 0; i <= 2 * N; i++) for (int j = 0; j <= 2 * N; j++) { if (i == 0 && j == 0) continue; if (i == 0) s[i][j] += s[i][j - 1]; else if (j == 0) s[i][j] += s[i - 1][j]; else s[i][j] += s[i - 1][j] + s[i][j - 1] - s[i - 1][j - 1]; } ll ans = 0; for (int i = 1; i <= n; i++) { int x = N - a[i].first, y = N - a[i].second; ans += s[2 * N][2 * N] - s[2 * N][y - 1] - s[x - 1][2 * N] + s[x - 1][y - 1]; } for (int i = 1; i <= n; i++) if (a[i].first >= 0 && a[i].second >= 0) --ans; ans >>= 1; cout << ans; return 0; }
#include <algorithm> #include <cctype> #include <cstdio> #include <cstring> #include <iostream> #include <utility> #include <vector> #define MAXN 200005 using namespace std; typedef long long ll; typedef pair<int, int> pi; inline pi read() { ll x = 0; pi ans; int f = 0; char c = getchar(); while (!isdigit(c) && c != '.') c = getchar(); while (isdigit(c) || c == '.') { if (c == '.') { f = 1; c = getchar(); continue; } if (f) --ans.first, --ans.second; x = (x << 3) + (x << 1) + (c ^ 48), c = getchar(); } while (x % 2 == 0) x /= 2, ++ans.first; while (x % 5 == 0) x /= 5, ++ans.second; return ans; } pi a[MAXN]; int s[205][205]; const int N = 100; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) a[i] = read(); for (int i = 1; i <= n; i++) ++s[a[i].first + N][a[i].second + N]; for (int i = 0; i <= 2 * N; i++) for (int j = 0; j <= 2 * N; j++) { if (i == 0 && j == 0) continue; if (i == 0) s[i][j] += s[i][j - 1]; else if (j == 0) s[i][j] += s[i - 1][j]; else s[i][j] += s[i - 1][j] + s[i][j - 1] - s[i - 1][j - 1]; } ll ans = 0; for (int i = 1; i <= n; i++) { int x = N - a[i].first, y = N - a[i].second; ans += s[2 * N][2 * N] - s[2 * N][y - 1] - s[x - 1][2 * N] + s[x - 1][y - 1]; } for (int i = 1; i <= n; i++) if (a[i].first >= 0 && a[i].second >= 0) --ans; ans >>= 1; cout << ans; return 0; }
replace
36
37
36
37
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; using ll = long long; pair<int, int> f(string &s) { int d = 0; ll keep = 0; for (int i = 0; i < s.size(); i++) { if (s[i] == '.') { d = s.size() - i - 1; } else { keep = keep * 10 + (s[i] - '0'); } } int two = 0, five = 0; while (keep % 2 == 0) { two++; keep /= 2; } while (keep % 5 == 0) { five++; keep /= 5; } return make_pair(two - d, five - d); } int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; vector<vector<ll>> x(21, vector<ll>(21)); ll ans = 0; for (int i = 0; i < n; i++) { string s; cin >> s; pair<int, int> p = f(s); // p.first += 10; // p.second += 10; for (int j = -p.first + 10; j < 21; j++) { for (int k = -p.second + 10; k < 21; k++) { ans += x[j][k]; } } x[p.first + 10][p.second + 10]++; } cout << ans << '\n'; }
#include <bits/stdc++.h> using namespace std; using ll = long long; pair<int, int> f(string &s) { int d = 0; ll keep = 0; for (int i = 0; i < s.size(); i++) { if (s[i] == '.') { d = s.size() - i - 1; } else { keep = keep * 10 + (s[i] - '0'); } } int two = 0, five = 0; while (keep % 2 == 0) { two++; keep /= 2; } while (keep % 5 == 0) { five++; keep /= 5; } two -= d; five -= d; if (two > 10) two = 10; if (five > 10) five = 10; return make_pair(two, five); } int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; vector<vector<ll>> x(21, vector<ll>(21)); ll ans = 0; for (int i = 0; i < n; i++) { string s; cin >> s; pair<int, int> p = f(s); // p.first += 10; // p.second += 10; for (int j = -p.first + 10; j < 21; j++) { for (int k = -p.second + 10; k < 21; k++) { ans += x[j][k]; } } x[p.first + 10][p.second + 10]++; } cout << ans << '\n'; }
replace
26
27
26
34
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; using ll = long long; using P = pair<int, int>; using vi = vector<ll>; using vv = vector<vi>; // const int MOD = 1000000007; const int MOD = 998244353; const int INF = 1001001001; const ll LINF = 1001001001001; int main() { int n; cin >> n; vv faclist(19, vi(19, 0)); rep(i, n) { string a; cin >> a; ll anum = 0; int dot = 0; rep(j, a.size()) { if (a[j] == '.') { dot = j + 1 - a.size(); } else { anum *= 10; anum += a[j] - '0'; } } int fac2 = dot, fac5 = dot; rep(j, 19) { if (anum % 2) break; else { anum /= 2; fac2++; } } rep(j, 19) { if (anum % 5) break; else { anum /= 5; fac5++; } } faclist[fac2 + 9][fac5 + 9]++; } vv acclist = faclist; rep(i, 19) { for (int j = 17; j >= 0; j--) { acclist[i][j] += acclist[i][j + 1]; } } rep(j, 19) { for (int i = 17; i >= 0; i--) { acclist[i][j] += acclist[i + 1][j]; } } ll ans = 0; rep(i, 19) rep(j, 19) { if (!faclist[i][j]) continue; if (i > 8 && j > 8) ans += faclist[i][j] * (acclist[18 - i][18 - j] - 1); else ans += faclist[i][j] * acclist[18 - i][18 - j]; } cout << ans / 2 << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; using ll = long long; using P = pair<int, int>; using vi = vector<ll>; using vv = vector<vi>; // const int MOD = 1000000007; const int MOD = 998244353; const int INF = 1001001001; const ll LINF = 1001001001001; int main() { int n; cin >> n; vv faclist(19, vi(19, 0)); rep(i, n) { string a; cin >> a; ll anum = 0; int dot = 0; rep(j, a.size()) { if (a[j] == '.') { dot = j + 1 - a.size(); } else { anum *= 10; anum += a[j] - '0'; } } int fac2 = dot, fac5 = dot; rep(j, 19) { if (anum % 2) break; else { anum /= 2; fac2++; } } rep(j, 19) { if (anum % 5) break; else { anum /= 5; fac5++; } } faclist[min(18, fac2 + 9)][min(18, fac5 + 9)]++; } vv acclist = faclist; rep(i, 19) { for (int j = 17; j >= 0; j--) { acclist[i][j] += acclist[i][j + 1]; } } rep(j, 19) { for (int i = 17; i >= 0; i--) { acclist[i][j] += acclist[i + 1][j]; } } ll ans = 0; rep(i, 19) rep(j, 19) { if (!faclist[i][j]) continue; if (i > 8 && j > 8) ans += faclist[i][j] * (acclist[18 - i][18 - j] - 1); else ans += faclist[i][j] * acclist[18 - i][18 - j]; } cout << ans / 2 << endl; return 0; }
replace
52
53
52
53
0
p02588
C++
Runtime Error
// https://atcoder.jp/contests/agc047/tasks/agc047_a #include "algorithm" #include "bitset" #include "cmath" #include "functional" #include "iomanip" #include "iostream" #include "map" #include "numeric" #include "queue" #include "set" #include "string" #include "vector" #define rep(i, to) for (ll i = 0; i < (to); ++i) #define rep1(i, to) for (ll i = 1; i <= (to); ++i) #define repf(i, from, to) for (ll i = from; i < (to); ++i) #define repr(i, from) for (ll i = from - 1; i >= 0; --i) #define all(vec) vec.begin(), vec.end() #define unless(cond) if (!(cond)) #define fi first #define se second using namespace std; using ll = long long; using ld = long double; template <typename T> using V = vector<T>; using VL = V<ll>; template <typename T> using VV = V<V<T>>; using VVL = VV<ll>; template <typename T> using VVV = VV<V<T>>; template <typename T, typename U> using P = pair<T, U>; using PL = P<ll, ll>; using VPL = V<PL>; template <typename T> using asc_pq = priority_queue<T, V<T>, greater<T>>; template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } template <typename T> inline ll len(V<T> arr) { return arr.size(); } struct exit_exception : public std::exception { const char *what() const throw() { return "Exited"; } }; template <typename T> void drop(T res) { cout << res << endl; throw exit_exception(); } const ll INF = 1e18; void solve(); #ifndef TEST int main() { cin.tie(0); ios::sync_with_stdio(false); try { solve(); } catch (exit_exception &e) { } return 0; } #endif void solve() { ll N; cin >> N; VL as(N); rep(i, N) { ld d; cin >> d; d *= 1e9; as[i] = d + 0.5; } VVL ct(19, VL(19)); // 0 ~ 18 for (ll a : as) { ll ct2 = 0; ll ct5 = 0; while (a % 2 == 0) { a /= 2; ct2++; } while (a % 5 == 0) { a /= 5; ct5++; } ct[ct2][ct5]++; } ll res = 0; rep(i2, 19) rep(i5, 19) rep(j2, 19) rep(j5, 19) { unless(i2 + j2 >= 18) continue; unless(i5 + j5 >= 18) continue; if (i2 == j2 && i5 == j5) { res += ct[i2][i5] * (ct[j2][j5] - 1); } else { res += ct[i2][i5] * ct[j2][j5]; } } res /= 2; cout << res << "\n"; }
// https://atcoder.jp/contests/agc047/tasks/agc047_a #include "algorithm" #include "bitset" #include "cmath" #include "functional" #include "iomanip" #include "iostream" #include "map" #include "numeric" #include "queue" #include "set" #include "string" #include "vector" #define rep(i, to) for (ll i = 0; i < (to); ++i) #define rep1(i, to) for (ll i = 1; i <= (to); ++i) #define repf(i, from, to) for (ll i = from; i < (to); ++i) #define repr(i, from) for (ll i = from - 1; i >= 0; --i) #define all(vec) vec.begin(), vec.end() #define unless(cond) if (!(cond)) #define fi first #define se second using namespace std; using ll = long long; using ld = long double; template <typename T> using V = vector<T>; using VL = V<ll>; template <typename T> using VV = V<V<T>>; using VVL = VV<ll>; template <typename T> using VVV = VV<V<T>>; template <typename T, typename U> using P = pair<T, U>; using PL = P<ll, ll>; using VPL = V<PL>; template <typename T> using asc_pq = priority_queue<T, V<T>, greater<T>>; template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } template <typename T> inline ll len(V<T> arr) { return arr.size(); } struct exit_exception : public std::exception { const char *what() const throw() { return "Exited"; } }; template <typename T> void drop(T res) { cout << res << endl; throw exit_exception(); } const ll INF = 1e18; void solve(); #ifndef TEST int main() { cin.tie(0); ios::sync_with_stdio(false); try { solve(); } catch (exit_exception &e) { } return 0; } #endif void solve() { ll N; cin >> N; VL as(N); rep(i, N) { ld d; cin >> d; d *= 1e9; as[i] = d + 0.5; } VVL ct(19, VL(19)); // 0 ~ 18 for (ll a : as) { ll ct2 = 0; ll ct5 = 0; while (a % 2 == 0) { a /= 2; ct2++; } while (a % 5 == 0) { a /= 5; ct5++; } ct2 = min(ct2, 18ll); ct5 = min(ct5, 18ll); ct[ct2][ct5]++; } ll res = 0; rep(i2, 19) rep(i5, 19) rep(j2, 19) rep(j5, 19) { unless(i2 + j2 >= 18) continue; unless(i5 + j5 >= 18) continue; if (i2 == j2 && i5 == j5) { res += ct[i2][i5] * (ct[j2][j5] - 1); } else { res += ct[i2][i5] * ct[j2][j5]; } } res /= 2; cout << res << "\n"; }
insert
109
109
109
112
0
p02588
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define m_p make_pair #define all(x) (x).begin(), (x).end() #define sz(x) ((int)(x).size()) #define fi first #define se second typedef long long ll; mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()); mt19937 rnf(2106); const int N = 102; int a[N][N]; int solv() { int q; scanf("%d", &q); while (q--) { char s[20]; scanf(" %s", s); int n = strlen(s); ll x = 0; bool z = false; for (int i = 0; i < n; ++i) { if (s[i] == '.') { int q = 9 - (n - i - 1); for (i = i + 1; i < n; ++i) { x = x * 10 + s[i] - '0'; } while (q--) { x = x * 10; } z = true; break; } x = x * 10 + s[i] - '0'; } if (!z) { for (int i = 0; i < 9; ++i) x = x * 10; } int q2 = 0; int q5 = 0; while (x % 2 == 0) { ++q2; x /= 2; } while (x % 5 == 0) { ++q5; x /= 5; } a[q2][q5]++; } ll ans = 0; for (int i = 0; i < N; ++i) { for (int j = 0; j < N; ++j) { if (!a[i][j]) continue; for (int i1 = 0; i1 < N; ++i1) { for (int j1 = 0; j1 < N; ++j1) { if (min(i + i1, j + j1) >= 18) { if (!(i == i1 && j == j1)) ans += a[i][j] * 1LL * a[i1][j1]; else ans += (a[i][j] * 1LL * a[i][j] - a[i][j]); } } } } } ans /= 2; printf("%lld\n", ans); } int main() { #ifdef SOMETHING freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); #endif // SOMETHING // ios_base::sync_with_stdio(false), cin.tie(0); solv(); return 0; } // while ((double)clock() / CLOCKS_PER_SEC <= 0.9){}
#include <bits/stdc++.h> using namespace std; #define m_p make_pair #define all(x) (x).begin(), (x).end() #define sz(x) ((int)(x).size()) #define fi first #define se second typedef long long ll; mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()); mt19937 rnf(2106); const int N = 102; int a[N][N]; void solv() { int q; scanf("%d", &q); while (q--) { char s[20]; scanf(" %s", s); int n = strlen(s); ll x = 0; bool z = false; for (int i = 0; i < n; ++i) { if (s[i] == '.') { int q = 9 - (n - i - 1); for (i = i + 1; i < n; ++i) { x = x * 10 + s[i] - '0'; } while (q--) { x = x * 10; } z = true; break; } x = x * 10 + s[i] - '0'; } if (!z) { for (int i = 0; i < 9; ++i) x = x * 10; } int q2 = 0; int q5 = 0; while (x % 2 == 0) { ++q2; x /= 2; } while (x % 5 == 0) { ++q5; x /= 5; } a[q2][q5]++; } ll ans = 0; for (int i = 0; i < N; ++i) { for (int j = 0; j < N; ++j) { if (!a[i][j]) continue; for (int i1 = 0; i1 < N; ++i1) { for (int j1 = 0; j1 < N; ++j1) { if (min(i + i1, j + j1) >= 18) { if (!(i == i1 && j == j1)) ans += a[i][j] * 1LL * a[i1][j1]; else ans += (a[i][j] * 1LL * a[i][j] - a[i][j]); } } } } } ans /= 2; printf("%lld\n", ans); } int main() { #ifdef SOMETHING freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); #endif // SOMETHING // ios_base::sync_with_stdio(false), cin.tie(0); solv(); return 0; } // while ((double)clock() / CLOCKS_PER_SEC <= 0.9){}
replace
14
15
14
15
TLE
p02588
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define int long long #define ll long long using ull = unsigned long long; using namespace std; #define dump(x) \ if (dbg) { \ cerr << #x << " = " << (x) << endl; \ } #define overload4(_1, _2, _3, _4, name, ...) name #define FOR1(n) for (ll i = 0; i < (n); ++i) #define FOR2(i, n) for (ll i = 0; i < (n); ++i) #define FOR3(i, a, b) for (ll i = (a); i < (b); ++i) #define FOR4(i, a, b, c) for (ll i = (a); i < (b); i += (c)) #define FOR(...) overload4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__) #define FORR(i, a, b) for (int i = (a); i <= (b); ++i) #define bit(n, k) ((n >> k) & 1) /*nのk bit目*/ namespace mydef { const int INF = 1ll << 60; const int MOD = 1e9 + 7; template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } else return 0; } template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } else return 0; } void Yes(bool flag = true) { if (flag) cout << "Yes" << endl; else cout << "No" << endl; } void No(bool flag = true) { Yes(!flag); } void YES(bool flag = true) { if (flag) cout << "YES" << endl; else cout << "NO" << endl; } void NO(bool flag = true) { YES(!flag); } template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val) { std::fill((T *)array, (T *)(array + N), val); } bool dbg = false; } // namespace mydef using namespace mydef; #define pb push_back #define mp make_pair #define eb emplace_back #define lb lower_bound #define ub upper_bound #define all(v) (v).begin(), (v).end() #define SZ(x) ((int)(x).size()) #define vi vector<int> #define vvi vector<vector<int>> #define vp vector<pair<int, int>> #define vvp vector<vector<pair<int, int>>> #define pi pair<int, int> // #define P pair<int, int> // #define V vector<int> // #define S set<int> #define asn ans int N; vector<pi> A; int intpow(int a, int b) { int ans = 1; while (b) { if (b & 1) ans *= a; a *= a; b /= 2; } return ans; } pi f(string s) { int check = -1; for (int i = 0; i < s.size(); i++) { if (s[i] == '.') { check = i; break; } } if (check < 0) { return pi(atoll(s.c_str()), 1); } else { int n = s.size() - check - 1; int se = intpow(10, n); s.erase(check, 1); int fi = atoll(s.c_str()); while (fi % 2 == 0 && se % 2 == 0) { fi /= 2; se /= 2; } while (fi % 5 == 0 && se % 5 == 0) { fi /= 5; se /= 5; } return pi(fi, se); } } pi g(int x) { int t2 = 0, t5 = 0; while (x % 2 == 0) { x /= 2; t2++; } while (x % 5 == 0) { x /= 5; t5++; } return pi(t2, t5); } int cnt_fi[100][100]; int cnt_se[100][100]; int cnt[10][100][100]; void solve() { int ans = 0; for (auto &p : A) { int fi = p.first; int se = p.second; pi P_se, P_fi; P_se = g(se); cnt_se[P_se.first][P_se.second]++; P_fi = g(fi); cnt_fi[P_fi.first][P_fi.second]++; for (int i = 0; i < 65; i++) { for (int j = 0; j < 25; j++) { if (i >= P_se.first && j >= P_se.second) { ans += cnt[1][i][j]; } if (i >= P_se.first && j <= P_fi.second) ans += cnt[2][i][j]; if (i <= P_fi.first && j >= P_se.second) ans += cnt[3][i][j]; if (i <= P_fi.first && j <= P_fi.second) ans += cnt[4][i][j]; } } cerr << fi << " " << se << " : " << ans << endl; if (P_se.first && P_se.second) { cnt[4][P_se.first][P_se.second]++; } else if (P_se.first && !P_se.second) { cnt[3][P_se.first][P_fi.second]++; } else if (!P_se.first && P_se.second) { cnt[2][P_fi.first][P_se.second]++; } else cnt[1][P_fi.first][P_fi.second]++; } cout << ans << endl; } signed main() { cin.tie(nullptr); ios::sync_with_stdio(false); cin >> N; A.resize(N); for (int i = 0; i < N; i++) { string s; cin >> s; A[i] = f(s); } solve(); return 0; }
#include <bits/stdc++.h> #define int long long #define ll long long using ull = unsigned long long; using namespace std; #define dump(x) \ if (dbg) { \ cerr << #x << " = " << (x) << endl; \ } #define overload4(_1, _2, _3, _4, name, ...) name #define FOR1(n) for (ll i = 0; i < (n); ++i) #define FOR2(i, n) for (ll i = 0; i < (n); ++i) #define FOR3(i, a, b) for (ll i = (a); i < (b); ++i) #define FOR4(i, a, b, c) for (ll i = (a); i < (b); i += (c)) #define FOR(...) overload4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__) #define FORR(i, a, b) for (int i = (a); i <= (b); ++i) #define bit(n, k) ((n >> k) & 1) /*nのk bit目*/ namespace mydef { const int INF = 1ll << 60; const int MOD = 1e9 + 7; template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } else return 0; } template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } else return 0; } void Yes(bool flag = true) { if (flag) cout << "Yes" << endl; else cout << "No" << endl; } void No(bool flag = true) { Yes(!flag); } void YES(bool flag = true) { if (flag) cout << "YES" << endl; else cout << "NO" << endl; } void NO(bool flag = true) { YES(!flag); } template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val) { std::fill((T *)array, (T *)(array + N), val); } bool dbg = false; } // namespace mydef using namespace mydef; #define pb push_back #define mp make_pair #define eb emplace_back #define lb lower_bound #define ub upper_bound #define all(v) (v).begin(), (v).end() #define SZ(x) ((int)(x).size()) #define vi vector<int> #define vvi vector<vector<int>> #define vp vector<pair<int, int>> #define vvp vector<vector<pair<int, int>>> #define pi pair<int, int> // #define P pair<int, int> // #define V vector<int> // #define S set<int> #define asn ans int N; vector<pi> A; int intpow(int a, int b) { int ans = 1; while (b) { if (b & 1) ans *= a; a *= a; b /= 2; } return ans; } pi f(string s) { int check = -1; for (int i = 0; i < s.size(); i++) { if (s[i] == '.') { check = i; break; } } if (check < 0) { return pi(atoll(s.c_str()), 1); } else { int n = s.size() - check - 1; int se = intpow(10, n); s.erase(check, 1); int fi = atoll(s.c_str()); while (fi % 2 == 0 && se % 2 == 0) { fi /= 2; se /= 2; } while (fi % 5 == 0 && se % 5 == 0) { fi /= 5; se /= 5; } return pi(fi, se); } } pi g(int x) { int t2 = 0, t5 = 0; while (x % 2 == 0) { x /= 2; t2++; } while (x % 5 == 0) { x /= 5; t5++; } return pi(t2, t5); } int cnt_fi[100][100]; int cnt_se[100][100]; int cnt[10][100][100]; void solve() { int ans = 0; for (auto &p : A) { int fi = p.first; int se = p.second; pi P_se, P_fi; P_se = g(se); cnt_se[P_se.first][P_se.second]++; P_fi = g(fi); cnt_fi[P_fi.first][P_fi.second]++; for (int i = 0; i < 65; i++) { for (int j = 0; j < 25; j++) { if (i >= P_se.first && j >= P_se.second) { ans += cnt[1][i][j]; } if (i >= P_se.first && j <= P_fi.second) ans += cnt[2][i][j]; if (i <= P_fi.first && j >= P_se.second) ans += cnt[3][i][j]; if (i <= P_fi.first && j <= P_fi.second) ans += cnt[4][i][j]; } } if (P_se.first && P_se.second) { cnt[4][P_se.first][P_se.second]++; } else if (P_se.first && !P_se.second) { cnt[3][P_se.first][P_fi.second]++; } else if (!P_se.first && P_se.second) { cnt[2][P_fi.first][P_se.second]++; } else cnt[1][P_fi.first][P_fi.second]++; } cout << ans << endl; } signed main() { cin.tie(nullptr); ios::sync_with_stdio(false); cin >> N; A.resize(N); for (int i = 0; i < N; i++) { string s; cin >> s; A[i] = f(s); } solve(); return 0; }
delete
157
159
157
157
TLE
p02588
C++
Time Limit Exceeded
// gzhffIThh #include <bits/stdc++.h> #define ui unsigned int #define ll long long #define ul unsigned ll #define ld long double #define pi pair<int, int> #define fi first #define se second #define mp make_pair #define vi vector<int> #define pb push_back #define pq priority_queue #define sz(x) ((int)x.size()) #define all(x) (x).begin(), (x).end() #define rep(i, a, b) for (int i = a; i <= b; i++) #define per(i, a, b) for (int i = b; i >= a; i--) #define dbg(x) cerr << #x " = " << x << endl #define debug(...) fprintf(stderr, __VA_ARGS__) #define fl(x) freopen(x ".in", "r", stdin), freopen(x ".out", "w", stdout); using namespace std; namespace io { const int SI = 1 << 21 | 1; char IB[SI], *IS, *IT, OB[SI], *OS = OB, *OT = OS + SI - 1, c, ch[100]; int f, t; #define gc() \ (IS == IT \ ? (IT = (IS = IB) + fread(IB, 1, SI, stdin), IS == IT ? EOF : *IS++) \ : *IS++) inline void flush() { fwrite(OB, 1, OS - OB, stdout), OS = OB; } inline void pc(char x) { *OS++ = x; if (OS == OT) flush(); } template <class I> inline void rd(I &x) { for (f = 1, c = gc(); c < '0' || c > '9'; c = gc()) if (c == '-') f = -1; for (x = 0; c >= '0' && c <= '9'; x = (x << 3) + (x << 1) + (c & 15), c = gc()) ; x *= f; } template <class I> inline void rd(I &x, I &y) { rd(x), rd(y); } template <class I> inline void rd(I &x, I &y, I &z) { rd(x), rd(y), rd(z); } template <class I> inline void rda(I *a, int n) { for (int i = 1; i <= n; i++) rd(a[i]); } inline void rdc(char &c) { for (c = gc(); c < 33 || c > 126; c = gc()) ; } inline void rds(char *s, int &n) { for (c = gc(); c < 33 || c > 126; c = gc()) ; for (n = 0; c >= 33 && c <= 126; s[++n] = c, c = gc()) ; s[n + 1] = '\0'; } inline void rds(string &s) { for (c = gc(); c < 33 || c > 126; c = gc()) ; for (s.clear(); c >= 33 && c <= 126; s.pb(c), c = gc()) ; } template <class I> inline void print(I x, char k = '\n') { if (!x) pc('0'); if (x < 0) pc('-'), x = -x; while (x) ch[++t] = x % 10 + '0', x /= 10; while (t) pc(ch[t--]); pc(k); } template <class I> inline void print(I x, I y) { print(x, ' '), print(y); } template <class I> inline void print(I x, I y, I z) { print(x, ' '), print(y, ' '), print(z); } template <class I> inline void printa(I *a, int n) { for (int i = 1; i <= n; i++) print(a[i], " \n"[i == n]); } inline void printc(char c) { pc(c); } inline void prints(char *s, int n) { for (int i = 1; i <= n; i++) pc(s[i]); pc('\n'); } inline void prints(string s) { int n = s.length(); while (t < n) pc(s[t++]); pc('\n'), t = 0; } struct Flush { ~Flush() { flush(); } } flusher; } // namespace io using io::print; using io::printa; using io::printc; using io::prints; using io::rd; using io::rda; using io::rdc; using io::rds; const int P = 1000000007; struct modint { int x; inline modint(int x = 0) : x(x) {} inline modint &operator=(int o) { return x = o, *this; } inline modint &operator+=(modint o) { return x = x + o.x >= P ? x + o.x - P : x + o.x, *this; } inline modint &operator-=(modint o) { return x = x - o.x < 0 ? x - o.x + P : x - o.x, *this; } inline modint &operator*=(modint o) { return x = 1ll * x * o.x % P, *this; } inline modint &operator^=(ll b) { modint a = *this, c; if (!~b) b = P - 2; c.x = 1 % P; while (b) { if (b & 1) c *= a; a *= a, b >>= 1; } return x = c.x, *this; } inline modint &operator/=(modint o) { return *this *= o ^= -1; } inline modint &operator+=(int o) { return x = x + o >= P ? x + o - P : x + o, *this; } inline modint &operator-=(int o) { return x = x - o < 0 ? x - o + P : x - o, *this; } inline modint &operator*=(int o) { return x = 1ll * x * o % P, *this; } inline modint &operator/=(int o) { modint y = modint(o); return *this *= y ^= -1; } template <class I> inline friend modint operator+(modint a, I b) { return a += b; } template <class I> inline friend modint operator-(modint a, I b) { return a -= b; } template <class I> inline friend modint operator*(modint a, I b) { return a *= b; } inline friend modint operator^(modint a, ll b) { return a ^= b; } template <class I> inline friend modint operator/(modint a, I b) { return a /= b; } inline friend bool operator==(modint a, int b) { return a.x == b; } inline friend bool operator!=(modint a, int b) { return a.x != b; } inline friend bool operator<(modint a, int b) { return a.x < b; } inline friend bool operator<=(modint a, int b) { return a.x <= b; } inline friend bool operator>(modint a, int b) { return a.x > b; } inline friend bool operator>=(modint a, int b) { return a.x >= b; } inline friend bool operator==(modint a, modint b) { return a.x == b.x; } inline friend bool operator!=(modint a, modint b) { return a.x != b.x; } inline friend bool operator<(modint a, modint b) { return a.x < b.x; } inline friend bool operator<=(modint a, modint b) { return a.x <= b.x; } inline friend bool operator>(modint a, modint b) { return a.x > b.x; } inline friend bool operator>=(modint a, modint b) { return a.x >= b.x; } inline bool operator!() { return !x; } inline modint operator-() { return x ? P - x : 0; } }; inline void rd(modint &x) { rd(x.x); } inline void print(modint x, char k = '\n') { print(x.x, k); } template <class T> inline void cmin(T &a, T b) { a = b < a ? b : a; } template <class T> inline void cmax(T &a, T b) { a = b > a ? b : a; } // head const int N = 200010; const int M = 57; int n; long double a[N]; ll g[N], tmp = 1000000000; int c[M][M]; ll ans; int main() { fl("A"); rd(n); for (int i = 1; i <= n; i++) { string s; rds(s); int p = -1; for (ui j = 0; j < s.size(); j++) if (s[j] == '.') p = j; if (!~p) p = s.size(), s += ".0"; while ((int)s.size() - p < 10) s += "0"; ll a = 0; for (ui j = 0; j < s.size(); j++) if (s[j] != '.') a = a * 10 + s[j] - '0'; int c2 = 0, c5 = 0; while (a % 2 == 0) ++c2, a /= 2; while (a % 5 == 0) ++c5, a /= 5; c[c2][c5]++; } for (int i = 0; i < M; i++) { for (int j = 0; j < M; j++) { for (int k = max(0, 18 - i); k < M; k++) { for (int t = max(0, 18 - j); t < M; t++) { if (i == k && j == t) continue; ans += 1ll * c[i][j] * c[k][t]; } } } } for (int i = 9; i < M; i++) { for (int j = 9; j < M; j++) { if (c[i][j]) { ans += 1ll * c[i][j] * (c[i][j] - 1); } } } print(ans / 2); return 0; }
// gzhffIThh #include <bits/stdc++.h> #define ui unsigned int #define ll long long #define ul unsigned ll #define ld long double #define pi pair<int, int> #define fi first #define se second #define mp make_pair #define vi vector<int> #define pb push_back #define pq priority_queue #define sz(x) ((int)x.size()) #define all(x) (x).begin(), (x).end() #define rep(i, a, b) for (int i = a; i <= b; i++) #define per(i, a, b) for (int i = b; i >= a; i--) #define dbg(x) cerr << #x " = " << x << endl #define debug(...) fprintf(stderr, __VA_ARGS__) #define fl(x) freopen(x ".in", "r", stdin), freopen(x ".out", "w", stdout); using namespace std; namespace io { const int SI = 1 << 21 | 1; char IB[SI], *IS, *IT, OB[SI], *OS = OB, *OT = OS + SI - 1, c, ch[100]; int f, t; #define gc() \ (IS == IT \ ? (IT = (IS = IB) + fread(IB, 1, SI, stdin), IS == IT ? EOF : *IS++) \ : *IS++) inline void flush() { fwrite(OB, 1, OS - OB, stdout), OS = OB; } inline void pc(char x) { *OS++ = x; if (OS == OT) flush(); } template <class I> inline void rd(I &x) { for (f = 1, c = gc(); c < '0' || c > '9'; c = gc()) if (c == '-') f = -1; for (x = 0; c >= '0' && c <= '9'; x = (x << 3) + (x << 1) + (c & 15), c = gc()) ; x *= f; } template <class I> inline void rd(I &x, I &y) { rd(x), rd(y); } template <class I> inline void rd(I &x, I &y, I &z) { rd(x), rd(y), rd(z); } template <class I> inline void rda(I *a, int n) { for (int i = 1; i <= n; i++) rd(a[i]); } inline void rdc(char &c) { for (c = gc(); c < 33 || c > 126; c = gc()) ; } inline void rds(char *s, int &n) { for (c = gc(); c < 33 || c > 126; c = gc()) ; for (n = 0; c >= 33 && c <= 126; s[++n] = c, c = gc()) ; s[n + 1] = '\0'; } inline void rds(string &s) { for (c = gc(); c < 33 || c > 126; c = gc()) ; for (s.clear(); c >= 33 && c <= 126; s.pb(c), c = gc()) ; } template <class I> inline void print(I x, char k = '\n') { if (!x) pc('0'); if (x < 0) pc('-'), x = -x; while (x) ch[++t] = x % 10 + '0', x /= 10; while (t) pc(ch[t--]); pc(k); } template <class I> inline void print(I x, I y) { print(x, ' '), print(y); } template <class I> inline void print(I x, I y, I z) { print(x, ' '), print(y, ' '), print(z); } template <class I> inline void printa(I *a, int n) { for (int i = 1; i <= n; i++) print(a[i], " \n"[i == n]); } inline void printc(char c) { pc(c); } inline void prints(char *s, int n) { for (int i = 1; i <= n; i++) pc(s[i]); pc('\n'); } inline void prints(string s) { int n = s.length(); while (t < n) pc(s[t++]); pc('\n'), t = 0; } struct Flush { ~Flush() { flush(); } } flusher; } // namespace io using io::print; using io::printa; using io::printc; using io::prints; using io::rd; using io::rda; using io::rdc; using io::rds; const int P = 1000000007; struct modint { int x; inline modint(int x = 0) : x(x) {} inline modint &operator=(int o) { return x = o, *this; } inline modint &operator+=(modint o) { return x = x + o.x >= P ? x + o.x - P : x + o.x, *this; } inline modint &operator-=(modint o) { return x = x - o.x < 0 ? x - o.x + P : x - o.x, *this; } inline modint &operator*=(modint o) { return x = 1ll * x * o.x % P, *this; } inline modint &operator^=(ll b) { modint a = *this, c; if (!~b) b = P - 2; c.x = 1 % P; while (b) { if (b & 1) c *= a; a *= a, b >>= 1; } return x = c.x, *this; } inline modint &operator/=(modint o) { return *this *= o ^= -1; } inline modint &operator+=(int o) { return x = x + o >= P ? x + o - P : x + o, *this; } inline modint &operator-=(int o) { return x = x - o < 0 ? x - o + P : x - o, *this; } inline modint &operator*=(int o) { return x = 1ll * x * o % P, *this; } inline modint &operator/=(int o) { modint y = modint(o); return *this *= y ^= -1; } template <class I> inline friend modint operator+(modint a, I b) { return a += b; } template <class I> inline friend modint operator-(modint a, I b) { return a -= b; } template <class I> inline friend modint operator*(modint a, I b) { return a *= b; } inline friend modint operator^(modint a, ll b) { return a ^= b; } template <class I> inline friend modint operator/(modint a, I b) { return a /= b; } inline friend bool operator==(modint a, int b) { return a.x == b; } inline friend bool operator!=(modint a, int b) { return a.x != b; } inline friend bool operator<(modint a, int b) { return a.x < b; } inline friend bool operator<=(modint a, int b) { return a.x <= b; } inline friend bool operator>(modint a, int b) { return a.x > b; } inline friend bool operator>=(modint a, int b) { return a.x >= b; } inline friend bool operator==(modint a, modint b) { return a.x == b.x; } inline friend bool operator!=(modint a, modint b) { return a.x != b.x; } inline friend bool operator<(modint a, modint b) { return a.x < b.x; } inline friend bool operator<=(modint a, modint b) { return a.x <= b.x; } inline friend bool operator>(modint a, modint b) { return a.x > b.x; } inline friend bool operator>=(modint a, modint b) { return a.x >= b.x; } inline bool operator!() { return !x; } inline modint operator-() { return x ? P - x : 0; } }; inline void rd(modint &x) { rd(x.x); } inline void print(modint x, char k = '\n') { print(x.x, k); } template <class T> inline void cmin(T &a, T b) { a = b < a ? b : a; } template <class T> inline void cmax(T &a, T b) { a = b > a ? b : a; } // head const int N = 200010; const int M = 57; int n; long double a[N]; ll g[N], tmp = 1000000000; int c[M][M]; ll ans; int main() { // fl("A"); rd(n); for (int i = 1; i <= n; i++) { string s; rds(s); int p = -1; for (ui j = 0; j < s.size(); j++) if (s[j] == '.') p = j; if (!~p) p = s.size(), s += ".0"; while ((int)s.size() - p < 10) s += "0"; ll a = 0; for (ui j = 0; j < s.size(); j++) if (s[j] != '.') a = a * 10 + s[j] - '0'; int c2 = 0, c5 = 0; while (a % 2 == 0) ++c2, a /= 2; while (a % 5 == 0) ++c5, a /= 5; c[c2][c5]++; } for (int i = 0; i < M; i++) { for (int j = 0; j < M; j++) { for (int k = max(0, 18 - i); k < M; k++) { for (int t = max(0, 18 - j); t < M; t++) { if (i == k && j == t) continue; ans += 1ll * c[i][j] * c[k][t]; } } } } for (int i = 9; i < M; i++) { for (int j = 9; j < M; j++) { if (c[i][j]) { ans += 1ll * c[i][j] * (c[i][j] - 1); } } } print(ans / 2); return 0; }
replace
203
204
203
204
TLE
p02588
C++
Runtime Error
#define MOD 1000000007 #if 1 //------------------------------------------------------------ #define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; template <class T> struct Entry { static void Run() { T().Run(); } }; struct MyMain; #if defined(TEST) #include "test.hpp" #else signed main() { cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(16); Entry<MyMain>::Run(); return 0; } #endif //------------------------------------------------------------ using ll = long long; #define int ll #define FOR(i, s, e) for (ll i = ll(s); i < ll(e); ++i) #define RFOR(i, s, e) for (ll i = ll(e) - 1; i >= ll(s); --i) #define REP(i, n) for (ll i = 0, i##_size = ll(n); i < i##_size; ++i) #define RREP(i, n) for (ll i = ll(n) - 1; i >= 0; --i) #define INF INT64_MAX //------------------------------------------------------------ template <class T> struct ContainerHolder { bool flag = true; T &var; ContainerHolder(T &v) : var(v) {} operator bool() const { return flag; } T *operator->() { return &var; } }; template <class T> ContainerHolder<T> ContainerHold(T &v) { return ContainerHolder<T>(v); } #define CFOR(it, container) \ for (auto holder = ContainerHold(container); holder; holder.flag = false) \ for (auto it = holder->begin(), endIt = holder->end(); it != endIt; ++it) //------------------------------------------------------------ template <class T> struct arr : public vector<T> { arr() {} arr(initializer_list<T> il) : vector<T>(il) {} explicit arr(ll n, T v = T()) : vector<T>(n, v) {} T &operator()(int i) { return (*this)[i]; } T const &operator()(int i) const { return (*this)[i]; } void init(ll n, T v = T()) { this->clear(); this->resize(n, v); } ll sz() const { return (ll)this->size(); } void pb(T v) { this->push_back(v); } void sort() { std::sort(this->begin(), this->end()); } void sort(function<bool(T, T)> p) { std::sort(this->begin(), this->end(), p); } void rsort() { std::sort(this->begin(), this->end(), greater<T>()); } void reverse() { std::reverse(this->begin(), this->end()); } void unique_erase() { this->erase(std::unique(this->begin(), this->end()), this->end()); } bool next_permutation() { return std::next_permutation(this->begin(), this->end()); } // これ以下はソート済み前提 int lower_bound(T const &v, function<bool(T, T)> p) { return std::lower_bound(this->begin(), this->end(), v, p) - this->begin(); } int lower_bound(T const &v) { return std::lower_bound(this->begin(), this->end(), v) - this->begin(); } int upper_bound(T const &v, function<bool(T, T)> p) { return std::upper_bound(this->begin(), this->end(), v, p) - this->begin(); } int upper_bound(T const &v) { return std::upper_bound(this->begin(), this->end(), v) - this->begin(); } int find_nearest(T const &v) { int i = this->lower_bound(v); if (i >= sz()) { --i; } else if ((*this)[i] != v) { int p = i - 1; if (p >= 0) { int id = abs((*this)[i] - v); int pd = abs((*this)[p] - v); if (pd < id) { i = p; } } } return i; } // 見つからなければ-1 int find(T const &v) { int i = this->lower_bound(v); if (i >= sz()) { return -1; } if ((*this)[i] != v) { return -1; } return i; } }; using ints = arr<ll>; template <class T> struct que : public queue<T> { ll sz() const { return (ll)this->size(); } T popfront() { T v = this->front(); this->pop(); return v; } }; template <class A, class B> struct pr { union { A a; A key; A first; A x; }; union { B b; B value; B second; B y; }; pr() : a(A()), b(B()){}; pr(A a_, B b_) : a(a_), b(b_) {} pr(pr const &r) : a(r.a), b(r.b){}; pr(pair<A, B> const &r) : a(r.first), b(r.second){}; bool operator==(pr const &r) const { return a == r.a && b == r.b; } bool operator!=(pr const &r) const { return !((*this) == r); } bool operator<(pr const &r) const { if (a == r.a) { return b < r.b; } return a < r.a; } pr operator+(pr v) const { return pr(x, y) += v; } pr operator-(pr v) const { return pr(x, y) -= v; } pr &operator+=(pr v) { x += v.x; y += v.y; return *this; } pr &operator-=(pr v) { x -= v.x; y -= v.y; return *this; } void flip() { swap(x, y); } friend istream &operator>>(istream &is, pr &p) { is >> p.a >> p.b; return is; } friend ostream &operator<<(ostream &os, pr const &p) { os << p.a << " " << p.b; return os; } }; using pint = pr<ll, ll>; using pints = arr<pint>; template <class K, class V> struct dic : public map<K, V> { bool get(K const &k, V *v) { auto it = this->find(k); if (it != this->end()) { *v = it->second; return true; } return false; } }; template <class T> struct arr2 { vector<vector<T>> m_vec; int m_width; int m_height; arr2() : m_width(0), m_height(0) {} arr2(int w, int h, T const &value = T()) : m_width(w), m_height(h) { m_vec.resize(h, vector<T>(w, value)); } arr2(arr2 const &r) { m_vec = r.m_vec; m_width = r.m_width; m_height = r.m_height; } arr2(arr2 &&r) { m_vec = move(r.m_vec); m_width = r.m_width; m_height = r.m_height; } arr2 &operator=(arr2 const &r) { m_vec = r.m_vec; m_width = r.m_width; m_height = r.m_height; return *this; } arr2 &operator=(arr2 &&r) { m_vec = move(r.m_vec); m_width = r.m_width; m_height = r.m_height; return *this; } bool operator==(arr2 const &r) const { return m_vec = r.m_vec; } bool operator<(arr2 const &r) const { if (m_width != r.m_width) { return m_width < r.m_width; } if (m_height != r.m_height) { return m_height < r.m_height; } REP(y, m_height) { REP(x, m_width) { if ((*this)(x, y) != r(x, y)) { return (*this)(x, y) < r(x, y); } } } return false; } pint size() const { return pint(m_width, m_height); } int width() const { return m_width; } int height() const { return m_height; } void init(int w, int h, T const &value = T()) { m_vec.clear(); m_vec.resize(h, vector<T>(w, value)); m_width = w; m_height = h; } void init(pint size, T const &value = T()) { init(size.x, size.y, value); } T &operator()(int x, int y) { return m_vec[y][x]; } T const &operator()(int x, int y) const { return m_vec[y][x]; } T &operator()(pint p) { return m_vec[p.y][p.x]; } T const &operator()(pint p) const { return m_vec[p.y][p.x]; } T &operator[](pint p) { return m_vec[p.y][p.x]; } T const &operator[](pint p) const { return m_vec[p.y][p.x]; } bool isIn(int x, int y) const { return x >= 0 && x < m_width && y >= 0 && y < m_height; } bool isIn(pint p) const { return isIn(p.x, p.y); } bool isOut(int x, int y) const { return x < 0 || x >= m_width || y < 0 || y >= m_height; } bool isOut(pint p) const { return isOut(p.x, p.y); } struct iterator { private: arr2<T> *owner; public: pint pt; iterator(arr2<T> *owner_, pint pt_) : owner(owner_), pt(pt_) {} bool operator==(iterator const &r) const { return pt == r.pt; } bool operator!=(iterator const &r) const { return !((*this) == r); } void operator++() { ++pt.x; if (pt.x >= owner->width()) { ++pt.y; pt.x = 0; } } T &operator*() { return (*owner)(pt); } }; iterator begin() { return iterator(this, pint(0, 0)); } iterator end() { return iterator(this, pint(0, height())); } void disp(ostream &os) { REP(y, m_height) { REP(x, m_width) { os << setw(2) << (*this)(x, y) << " "; } os << endl; } os << endl; } }; const pints around4 = {pint(-1, 0), pint(0, -1), pint(1, 0), pint(0, 1)}; //------------------------------------------------------------ template <class T> void chmin(T &a, T b) { if (b < a) { a = b; } } template <class T> void chmax(T &a, T b) { if (b > a) { a = b; } } constexpr int gcd(int a, int b) { if (a < 0) { a = -a; } if (b < 0) { b = -b; } if (a == 0) { return b; } if (b == 0) { return a; } while (int c = a % b) { a = b; b = c; } return b; } constexpr int lcm(int a, int b) { return a * b / gcd(a, b); } //------------------------------------------------------------ template <int M> struct modint { int raw; modint() { raw = 0; } modint(int v) { if (v < 0) { raw = (v % M) + M; } else if (v >= M) { raw = v % M; } else { raw = v; } } modint operator+(modint v) const { return modint(raw) += v; } modint operator-(modint v) const { return modint(raw) -= v; } modint operator*(modint v) const { return modint(raw) *= v; } modint &operator+=(modint v) { raw += v.raw; if (raw >= M) { raw -= M; } return *this; } modint &operator-=(modint v) { raw -= v.raw; if (raw < 0) { raw += M; } return *this; } modint &operator*=(modint v) { raw = (raw * v.raw) % M; return *this; } modint pow(int n) const { return modint::pow(raw, n); } static modint pow(int a, int n) { if (n < 0) { // not support abort(); } int r = 1; while (n) { if (n & 1) { r = (r * a) % M; } a = (a * a) % M; n >>= 1; } return modint(r); } modint inv() const { int a = raw; int b = M; int u = 1; int v = 0; while (b) { int t = a / b; a -= t * b; u -= t * v; swap(a, b); swap(u, v); } u %= M; if (u < 0) { u += M; } return u; } friend istream &operator>>(istream &is, modint &m) { int v; is >> v; m = modint(v); return is; } friend ostream &operator<<(ostream &os, modint const &m) { return os << m.raw; } }; using mint = modint<MOD>; using mints = arr<mint>; //------------------------------------------------------------ #if defined(TEST) extern istream &mis; extern ostream &mos; #else istream &mis = cin; ostream &mos = cout; #endif //------------------------------------------------------------ struct OutputStream { template <class T> friend OutputStream &operator<<(OutputStream &s, T const &v) { mos << v << '\n'; return s; } } out; struct PrintStream { stringstream ss; template <class T> friend PrintStream &operator<<(PrintStream &s, T &&v) { s.ss << v << ' '; return s; } PrintStream &operator<<(PrintStream &(*manip)(PrintStream &)) { return (*manip)(*this); } } prn; PrintStream &endl(PrintStream &s) { string str = s.ss.str(); s.ss = stringstream(); if (str.empty() == false) { str.pop_back(); } mos << str << '\n'; return s; } //------------------------------------------------------------ struct flip_t { } flip; template <class T> struct in_base { T value; in_base() { mis >> value; } operator T() { return value; } }; struct in_int { int value; in_int() { mis >> value; } in_int(int add) { mis >> value; value += add; } operator int() { return value; } }; template <class A, class B> struct in_pr { pr<A, B> value; in_pr() { mis >> value.a >> value.b; } in_pr(int addA, int addB) { mis >> value.a >> value.b; value.a += addA; value.b += addB; } in_pr(flip_t) { mis >> value.b >> value.a; } in_pr(int addA, int addB, flip_t) { mis >> value.b >> value.a; value.a += addB; value.b += addA; } operator pr<A, B>() { return value; } }; template <class T> struct in_arr { arr<T> value; in_arr(int N) { value.init(N); REP(i, N) { mis >> value[i]; } } in_arr(int N, int add) { value.init(N); REP(i, N) { mis >> value[i]; value[i] += add; } } operator arr<T>() { return value; } }; template <> struct in_arr<pint> { arr<pint> value; in_arr(int N) { value.init(N); REP(i, N) { mis >> value[i]; } } in_arr(int N, int addA, int addB) { value.init(N); REP(i, N) { mis >> value[i].a >> value[i].b; value[i].a += addA; value[i].b += addB; } } in_arr(int N, flip_t) { value.init(N); REP(i, N) { mis >> value[i].b >> value[i].a; } } in_arr(int N, int addA, int addB, flip_t) { value.init(N); REP(i, N) { mis >> value[i].b >> value[i].a; value[i].a += addB; value[i].b += addA; } } operator arr<pint>() { return value; } }; template <class A, class B> struct in_dic { dic<A, B> value; in_dic(int N) { REP(i, N) { pair<A, B> pr; mis >> pr.first >> pr.second; value.insert(pr); } } in_dic(int N, int addA, int addB) { REP(i, N) { pair<A, B> pr; mis >> pr.first >> pr.second; pr.first += addA; pr.second += addB; value.insert(pr); } } in_dic(int N, flip_t) { REP(i, N) { pair<A, B> pr; mis >> pr.second >> pr.first; value.insert(pr); } } in_dic(int N, int addA, int addB, flip_t) { REP(i, N) { pair<A, B> pr; mis >> pr.second >> pr.first; pr.first += addB; pr.second += addA; value.insert(pr); } } operator dic<A, B>() { return value; } }; template <class T> struct in_arr2 { arr2<T> value; in_arr2(int H, int W) { value.init(W, H); REP(y, H) { REP(x, W) { mis >> value(x, y); } } } in_arr2(int H, int W, int add) { value.init(W, H); REP(y, H) { REP(x, W) { mis >> value(x, y); value(x, y) += add; } } } operator arr2<T>() { return value; } }; template <class T, class Tuple, size_t... Index> T MakeFromTupleImpl(Tuple &&t, index_sequence<Index...>) { return T(get<Index>(forward<Tuple>(t))...); } template <class T, class Tuple> T MakeFromTuple(Tuple &&t) { return MakeFromTupleImpl<T>( forward<Tuple>(t), make_index_sequence<tuple_size<remove_reference_t<Tuple>>::value>{}); } template <class... ARGS> struct inputWithParam { tuple<ARGS...> param; inputWithParam() {} explicit inputWithParam(tuple<ARGS...> &&param_) : param(param_) {} operator int() { return MakeFromTuple<in_int>(param); } operator double() { return MakeFromTuple<in_base<double>>(param); } operator string() { return MakeFromTuple<in_base<string>>(param); } operator char() { return MakeFromTuple<in_base<char>>(param); } template <class A, class B> operator pr<A, B>() { return MakeFromTuple<in_pr<A, B>>(param); } template <class T> operator arr<T>() { return MakeFromTuple<in_arr<T>>(param); } template <class A, class B> operator dic<A, B>() { return MakeFromTuple<in_dic<A, B>>(param); } template <class T> operator arr2<T>() { return MakeFromTuple<in_arr2<T>>(param); } }; struct input { operator int() { return inputWithParam<>(); } operator double() { return inputWithParam<>(); } operator string() { return inputWithParam<>(); } operator char() { return inputWithParam<>(); } template <class A, class B> operator pr<A, B>() { return inputWithParam<>(); } template <class... ARGS> inputWithParam<ARGS...> operator()(ARGS &&...args) { inputWithParam<ARGS...> withParam(forward_as_tuple(args...)); return withParam; } } in; //------------------------------------------------------------ #endif struct MyMain { int N = in; arr<double> S = in(N); struct Rational { double original; int child; int parent; int c2; int c5; }; int CalcC2(int v) { for (int i = 0;; ++i) { if (v % 2 != 0) { return i; } v /= 2; } } int CalcC5(int v) { for (int i = 0;; ++i) { if (v % 5 != 0) { return i; } v /= 5; } } void Run() { int offset = 15; int extendSize = offset * 2 + 1; arr<Rational> A; A.reserve(N); REP(i, N) { double real = S[i]; int child = (int)floor(real * 1000000000 + 0.5); int parent = 1000000000; int g = gcd(child, parent); child /= g; parent /= g; Rational r; r.original = real; r.child = child; r.parent = parent; r.c2 = CalcC2(child) - CalcC2(parent); r.c5 = CalcC5(child) - CalcC5(parent); A.push_back(r); assert(r.c2 < offset); assert(r.c5 < offset); assert(r.c2 > -offset); assert(r.c5 > -offset); } arr2<int> counts(extendSize, extendSize); REP(i, N) { counts(A[i].c2 + offset, A[i].c5 + offset) += 1; } int ans = 0; REP(y, extendSize) { int c5 = y - offset; int ly = -c5 + offset; REP(x, extendSize) { int c2 = x - offset; int lx = -c2 + offset; int bc = counts(x, y); if (bc == 0) { continue; } FOR(v, ly, extendSize) { FOR(h, lx, extendSize) { if (h == x && v == y) { continue; } int sc = counts(h, v); if (sc == 0) { continue; } ans += sc * bc; } } } } ans /= 2; REP(y, extendSize) { int c5 = y - offset; int ly = -c5 + offset; REP(x, extendSize) { int c2 = x - offset; int lx = -c2 + offset; int bc = counts(x, y); if (bc == 0) { continue; } if (c2 >= 0 && c5 >= 0) { ans += bc * (bc - 1) / 2; } } } out << ans; } };
#define MOD 1000000007 #if 1 //------------------------------------------------------------ #define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; template <class T> struct Entry { static void Run() { T().Run(); } }; struct MyMain; #if defined(TEST) #include "test.hpp" #else signed main() { cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(16); Entry<MyMain>::Run(); return 0; } #endif //------------------------------------------------------------ using ll = long long; #define int ll #define FOR(i, s, e) for (ll i = ll(s); i < ll(e); ++i) #define RFOR(i, s, e) for (ll i = ll(e) - 1; i >= ll(s); --i) #define REP(i, n) for (ll i = 0, i##_size = ll(n); i < i##_size; ++i) #define RREP(i, n) for (ll i = ll(n) - 1; i >= 0; --i) #define INF INT64_MAX //------------------------------------------------------------ template <class T> struct ContainerHolder { bool flag = true; T &var; ContainerHolder(T &v) : var(v) {} operator bool() const { return flag; } T *operator->() { return &var; } }; template <class T> ContainerHolder<T> ContainerHold(T &v) { return ContainerHolder<T>(v); } #define CFOR(it, container) \ for (auto holder = ContainerHold(container); holder; holder.flag = false) \ for (auto it = holder->begin(), endIt = holder->end(); it != endIt; ++it) //------------------------------------------------------------ template <class T> struct arr : public vector<T> { arr() {} arr(initializer_list<T> il) : vector<T>(il) {} explicit arr(ll n, T v = T()) : vector<T>(n, v) {} T &operator()(int i) { return (*this)[i]; } T const &operator()(int i) const { return (*this)[i]; } void init(ll n, T v = T()) { this->clear(); this->resize(n, v); } ll sz() const { return (ll)this->size(); } void pb(T v) { this->push_back(v); } void sort() { std::sort(this->begin(), this->end()); } void sort(function<bool(T, T)> p) { std::sort(this->begin(), this->end(), p); } void rsort() { std::sort(this->begin(), this->end(), greater<T>()); } void reverse() { std::reverse(this->begin(), this->end()); } void unique_erase() { this->erase(std::unique(this->begin(), this->end()), this->end()); } bool next_permutation() { return std::next_permutation(this->begin(), this->end()); } // これ以下はソート済み前提 int lower_bound(T const &v, function<bool(T, T)> p) { return std::lower_bound(this->begin(), this->end(), v, p) - this->begin(); } int lower_bound(T const &v) { return std::lower_bound(this->begin(), this->end(), v) - this->begin(); } int upper_bound(T const &v, function<bool(T, T)> p) { return std::upper_bound(this->begin(), this->end(), v, p) - this->begin(); } int upper_bound(T const &v) { return std::upper_bound(this->begin(), this->end(), v) - this->begin(); } int find_nearest(T const &v) { int i = this->lower_bound(v); if (i >= sz()) { --i; } else if ((*this)[i] != v) { int p = i - 1; if (p >= 0) { int id = abs((*this)[i] - v); int pd = abs((*this)[p] - v); if (pd < id) { i = p; } } } return i; } // 見つからなければ-1 int find(T const &v) { int i = this->lower_bound(v); if (i >= sz()) { return -1; } if ((*this)[i] != v) { return -1; } return i; } }; using ints = arr<ll>; template <class T> struct que : public queue<T> { ll sz() const { return (ll)this->size(); } T popfront() { T v = this->front(); this->pop(); return v; } }; template <class A, class B> struct pr { union { A a; A key; A first; A x; }; union { B b; B value; B second; B y; }; pr() : a(A()), b(B()){}; pr(A a_, B b_) : a(a_), b(b_) {} pr(pr const &r) : a(r.a), b(r.b){}; pr(pair<A, B> const &r) : a(r.first), b(r.second){}; bool operator==(pr const &r) const { return a == r.a && b == r.b; } bool operator!=(pr const &r) const { return !((*this) == r); } bool operator<(pr const &r) const { if (a == r.a) { return b < r.b; } return a < r.a; } pr operator+(pr v) const { return pr(x, y) += v; } pr operator-(pr v) const { return pr(x, y) -= v; } pr &operator+=(pr v) { x += v.x; y += v.y; return *this; } pr &operator-=(pr v) { x -= v.x; y -= v.y; return *this; } void flip() { swap(x, y); } friend istream &operator>>(istream &is, pr &p) { is >> p.a >> p.b; return is; } friend ostream &operator<<(ostream &os, pr const &p) { os << p.a << " " << p.b; return os; } }; using pint = pr<ll, ll>; using pints = arr<pint>; template <class K, class V> struct dic : public map<K, V> { bool get(K const &k, V *v) { auto it = this->find(k); if (it != this->end()) { *v = it->second; return true; } return false; } }; template <class T> struct arr2 { vector<vector<T>> m_vec; int m_width; int m_height; arr2() : m_width(0), m_height(0) {} arr2(int w, int h, T const &value = T()) : m_width(w), m_height(h) { m_vec.resize(h, vector<T>(w, value)); } arr2(arr2 const &r) { m_vec = r.m_vec; m_width = r.m_width; m_height = r.m_height; } arr2(arr2 &&r) { m_vec = move(r.m_vec); m_width = r.m_width; m_height = r.m_height; } arr2 &operator=(arr2 const &r) { m_vec = r.m_vec; m_width = r.m_width; m_height = r.m_height; return *this; } arr2 &operator=(arr2 &&r) { m_vec = move(r.m_vec); m_width = r.m_width; m_height = r.m_height; return *this; } bool operator==(arr2 const &r) const { return m_vec = r.m_vec; } bool operator<(arr2 const &r) const { if (m_width != r.m_width) { return m_width < r.m_width; } if (m_height != r.m_height) { return m_height < r.m_height; } REP(y, m_height) { REP(x, m_width) { if ((*this)(x, y) != r(x, y)) { return (*this)(x, y) < r(x, y); } } } return false; } pint size() const { return pint(m_width, m_height); } int width() const { return m_width; } int height() const { return m_height; } void init(int w, int h, T const &value = T()) { m_vec.clear(); m_vec.resize(h, vector<T>(w, value)); m_width = w; m_height = h; } void init(pint size, T const &value = T()) { init(size.x, size.y, value); } T &operator()(int x, int y) { return m_vec[y][x]; } T const &operator()(int x, int y) const { return m_vec[y][x]; } T &operator()(pint p) { return m_vec[p.y][p.x]; } T const &operator()(pint p) const { return m_vec[p.y][p.x]; } T &operator[](pint p) { return m_vec[p.y][p.x]; } T const &operator[](pint p) const { return m_vec[p.y][p.x]; } bool isIn(int x, int y) const { return x >= 0 && x < m_width && y >= 0 && y < m_height; } bool isIn(pint p) const { return isIn(p.x, p.y); } bool isOut(int x, int y) const { return x < 0 || x >= m_width || y < 0 || y >= m_height; } bool isOut(pint p) const { return isOut(p.x, p.y); } struct iterator { private: arr2<T> *owner; public: pint pt; iterator(arr2<T> *owner_, pint pt_) : owner(owner_), pt(pt_) {} bool operator==(iterator const &r) const { return pt == r.pt; } bool operator!=(iterator const &r) const { return !((*this) == r); } void operator++() { ++pt.x; if (pt.x >= owner->width()) { ++pt.y; pt.x = 0; } } T &operator*() { return (*owner)(pt); } }; iterator begin() { return iterator(this, pint(0, 0)); } iterator end() { return iterator(this, pint(0, height())); } void disp(ostream &os) { REP(y, m_height) { REP(x, m_width) { os << setw(2) << (*this)(x, y) << " "; } os << endl; } os << endl; } }; const pints around4 = {pint(-1, 0), pint(0, -1), pint(1, 0), pint(0, 1)}; //------------------------------------------------------------ template <class T> void chmin(T &a, T b) { if (b < a) { a = b; } } template <class T> void chmax(T &a, T b) { if (b > a) { a = b; } } constexpr int gcd(int a, int b) { if (a < 0) { a = -a; } if (b < 0) { b = -b; } if (a == 0) { return b; } if (b == 0) { return a; } while (int c = a % b) { a = b; b = c; } return b; } constexpr int lcm(int a, int b) { return a * b / gcd(a, b); } //------------------------------------------------------------ template <int M> struct modint { int raw; modint() { raw = 0; } modint(int v) { if (v < 0) { raw = (v % M) + M; } else if (v >= M) { raw = v % M; } else { raw = v; } } modint operator+(modint v) const { return modint(raw) += v; } modint operator-(modint v) const { return modint(raw) -= v; } modint operator*(modint v) const { return modint(raw) *= v; } modint &operator+=(modint v) { raw += v.raw; if (raw >= M) { raw -= M; } return *this; } modint &operator-=(modint v) { raw -= v.raw; if (raw < 0) { raw += M; } return *this; } modint &operator*=(modint v) { raw = (raw * v.raw) % M; return *this; } modint pow(int n) const { return modint::pow(raw, n); } static modint pow(int a, int n) { if (n < 0) { // not support abort(); } int r = 1; while (n) { if (n & 1) { r = (r * a) % M; } a = (a * a) % M; n >>= 1; } return modint(r); } modint inv() const { int a = raw; int b = M; int u = 1; int v = 0; while (b) { int t = a / b; a -= t * b; u -= t * v; swap(a, b); swap(u, v); } u %= M; if (u < 0) { u += M; } return u; } friend istream &operator>>(istream &is, modint &m) { int v; is >> v; m = modint(v); return is; } friend ostream &operator<<(ostream &os, modint const &m) { return os << m.raw; } }; using mint = modint<MOD>; using mints = arr<mint>; //------------------------------------------------------------ #if defined(TEST) extern istream &mis; extern ostream &mos; #else istream &mis = cin; ostream &mos = cout; #endif //------------------------------------------------------------ struct OutputStream { template <class T> friend OutputStream &operator<<(OutputStream &s, T const &v) { mos << v << '\n'; return s; } } out; struct PrintStream { stringstream ss; template <class T> friend PrintStream &operator<<(PrintStream &s, T &&v) { s.ss << v << ' '; return s; } PrintStream &operator<<(PrintStream &(*manip)(PrintStream &)) { return (*manip)(*this); } } prn; PrintStream &endl(PrintStream &s) { string str = s.ss.str(); s.ss = stringstream(); if (str.empty() == false) { str.pop_back(); } mos << str << '\n'; return s; } //------------------------------------------------------------ struct flip_t { } flip; template <class T> struct in_base { T value; in_base() { mis >> value; } operator T() { return value; } }; struct in_int { int value; in_int() { mis >> value; } in_int(int add) { mis >> value; value += add; } operator int() { return value; } }; template <class A, class B> struct in_pr { pr<A, B> value; in_pr() { mis >> value.a >> value.b; } in_pr(int addA, int addB) { mis >> value.a >> value.b; value.a += addA; value.b += addB; } in_pr(flip_t) { mis >> value.b >> value.a; } in_pr(int addA, int addB, flip_t) { mis >> value.b >> value.a; value.a += addB; value.b += addA; } operator pr<A, B>() { return value; } }; template <class T> struct in_arr { arr<T> value; in_arr(int N) { value.init(N); REP(i, N) { mis >> value[i]; } } in_arr(int N, int add) { value.init(N); REP(i, N) { mis >> value[i]; value[i] += add; } } operator arr<T>() { return value; } }; template <> struct in_arr<pint> { arr<pint> value; in_arr(int N) { value.init(N); REP(i, N) { mis >> value[i]; } } in_arr(int N, int addA, int addB) { value.init(N); REP(i, N) { mis >> value[i].a >> value[i].b; value[i].a += addA; value[i].b += addB; } } in_arr(int N, flip_t) { value.init(N); REP(i, N) { mis >> value[i].b >> value[i].a; } } in_arr(int N, int addA, int addB, flip_t) { value.init(N); REP(i, N) { mis >> value[i].b >> value[i].a; value[i].a += addB; value[i].b += addA; } } operator arr<pint>() { return value; } }; template <class A, class B> struct in_dic { dic<A, B> value; in_dic(int N) { REP(i, N) { pair<A, B> pr; mis >> pr.first >> pr.second; value.insert(pr); } } in_dic(int N, int addA, int addB) { REP(i, N) { pair<A, B> pr; mis >> pr.first >> pr.second; pr.first += addA; pr.second += addB; value.insert(pr); } } in_dic(int N, flip_t) { REP(i, N) { pair<A, B> pr; mis >> pr.second >> pr.first; value.insert(pr); } } in_dic(int N, int addA, int addB, flip_t) { REP(i, N) { pair<A, B> pr; mis >> pr.second >> pr.first; pr.first += addB; pr.second += addA; value.insert(pr); } } operator dic<A, B>() { return value; } }; template <class T> struct in_arr2 { arr2<T> value; in_arr2(int H, int W) { value.init(W, H); REP(y, H) { REP(x, W) { mis >> value(x, y); } } } in_arr2(int H, int W, int add) { value.init(W, H); REP(y, H) { REP(x, W) { mis >> value(x, y); value(x, y) += add; } } } operator arr2<T>() { return value; } }; template <class T, class Tuple, size_t... Index> T MakeFromTupleImpl(Tuple &&t, index_sequence<Index...>) { return T(get<Index>(forward<Tuple>(t))...); } template <class T, class Tuple> T MakeFromTuple(Tuple &&t) { return MakeFromTupleImpl<T>( forward<Tuple>(t), make_index_sequence<tuple_size<remove_reference_t<Tuple>>::value>{}); } template <class... ARGS> struct inputWithParam { tuple<ARGS...> param; inputWithParam() {} explicit inputWithParam(tuple<ARGS...> &&param_) : param(param_) {} operator int() { return MakeFromTuple<in_int>(param); } operator double() { return MakeFromTuple<in_base<double>>(param); } operator string() { return MakeFromTuple<in_base<string>>(param); } operator char() { return MakeFromTuple<in_base<char>>(param); } template <class A, class B> operator pr<A, B>() { return MakeFromTuple<in_pr<A, B>>(param); } template <class T> operator arr<T>() { return MakeFromTuple<in_arr<T>>(param); } template <class A, class B> operator dic<A, B>() { return MakeFromTuple<in_dic<A, B>>(param); } template <class T> operator arr2<T>() { return MakeFromTuple<in_arr2<T>>(param); } }; struct input { operator int() { return inputWithParam<>(); } operator double() { return inputWithParam<>(); } operator string() { return inputWithParam<>(); } operator char() { return inputWithParam<>(); } template <class A, class B> operator pr<A, B>() { return inputWithParam<>(); } template <class... ARGS> inputWithParam<ARGS...> operator()(ARGS &&...args) { inputWithParam<ARGS...> withParam(forward_as_tuple(args...)); return withParam; } } in; //------------------------------------------------------------ #endif struct MyMain { int N = in; arr<double> S = in(N); struct Rational { double original; int child; int parent; int c2; int c5; }; int CalcC2(int v) { for (int i = 0;; ++i) { if (v % 2 != 0) { return i; } v /= 2; } } int CalcC5(int v) { for (int i = 0;; ++i) { if (v % 5 != 0) { return i; } v /= 5; } } void Run() { int offset = 100; int extendSize = offset * 2 + 1; arr<Rational> A; A.reserve(N); REP(i, N) { double real = S[i]; int child = (int)floor(real * 1000000000 + 0.5); int parent = 1000000000; int g = gcd(child, parent); child /= g; parent /= g; Rational r; r.original = real; r.child = child; r.parent = parent; r.c2 = CalcC2(child) - CalcC2(parent); r.c5 = CalcC5(child) - CalcC5(parent); A.push_back(r); assert(r.c2 < offset); assert(r.c5 < offset); assert(r.c2 > -offset); assert(r.c5 > -offset); } arr2<int> counts(extendSize, extendSize); REP(i, N) { counts(A[i].c2 + offset, A[i].c5 + offset) += 1; } int ans = 0; REP(y, extendSize) { int c5 = y - offset; int ly = -c5 + offset; REP(x, extendSize) { int c2 = x - offset; int lx = -c2 + offset; int bc = counts(x, y); if (bc == 0) { continue; } FOR(v, ly, extendSize) { FOR(h, lx, extendSize) { if (h == x && v == y) { continue; } int sc = counts(h, v); if (sc == 0) { continue; } ans += sc * bc; } } } } ans /= 2; REP(y, extendSize) { int c5 = y - offset; int ly = -c5 + offset; REP(x, extendSize) { int c2 = x - offset; int lx = -c2 + offset; int bc = counts(x, y); if (bc == 0) { continue; } if (c2 >= 0 && c5 >= 0) { ans += bc * (bc - 1) / 2; } } } out << ans; } };
replace
711
712
711
712
0
p02588
C++
Runtime Error
/* `-:://:::- `//:-------:/:` .+:--.......--:+` `+:--..`````..--//` .o:--..`` ``..--:o` .o:--...```..---+/` `/y+o/---....---:+o. `...````-os+/:---:/+o/--.` `-/+++++/:. `...` :h+d+oooo+/+-` ... `/++//:::://++-`....` -.`//````````:` `..` `o+/::------://o/` `-` -. -` `..` `---.-o/:./o/::-..``..-ЗАПУСКАЕМ .. .. -` `... ``..`` `....o+:-++/:--.```..-://s. `-` .- -` `-o: .-//::::/:-` `:s+/:--....-::/+s-` .- `- -` -///:--------:/:` ./s+//:::::://oo-``..НЕЙРОННУЮ: СЕТЬ:::::::-`РАБОТЯГИ `+:--........--:/` .:ooo+++++osso-` `.:-...`/` ./::-------:/:` -` :+--..``````.--:+:...-+:-` `.-/+++++/+-.-` -. ``:so:/:--.......--:+` `-```````o+/+--..`````..--:o/-..:s+:. ```````:``.. `-` -` `+:--..`````..--/+-.../.`````..-o:--.......---/o. ` `: `:- -. .o:--..`` ``..--:o` `-` `:o+:--------:+o-` `-`-... .. .o/--...```..--:+/` `-` `oy/so/////++o/.` -/` `-` `- ``+s/o/:---...---:++. `-` .-../d://///:-.` `.---..``-..- .-/..`````-oo+/:::::/+o+- `-``-` `-. ```` `:++++/+++++- ..``.-/:` /y-:/++o++/:.`..` ./. `- -++/::::::://+/..:-``:` .. `-.` ```.``` `..` `..`-` `- `` -o//:--....-::/++` -.-` `-`.-` `..`..` `-.- -----ss+:++/:--.```..-://s. /. `:: `-:. ./` `````/:..+o/::-..``.--:/+s. ..-` `-``-` ..` `-` `-`-` `-s+/::-----::/+oo---``-` .. .:- ``` .-` .-.- `-` `:oo+//::://+os/..:`..-/:` :y.-:::::::.`.-` ./-` `-` `./+oooooooo+/.`- .-:...`.. .//:-------://` `- `..` `:. ``.-::::-.``-/` `-` `- `oo:+:--.......--:/` `- `.:--h.``..``` -.-`.- .- `+:--..`````..--//` `- /s-//::::::::. -` `/- .. .o:--..`` ``..--:o.```.- `//:--------://` -` .-`.-` -.`-o/--...```..--:+/.``-:....``:-.+:--....`...--:+` ..`-. `-. ``:os:o/:---...---:++. `- ``///+:-..``````.--:+-````-.` `.:///////.-` .:-..` -``-+o+/:::::/+o/. `- `:+:-..`````..--:o/:--/ys+- `-++///////+o/. ``....`-. :` `.:++++++/:.` .- -o/---......---/o. `.` `++//:-----::/+o:..` .-` : ``````` .- `+so+:--------:++-` `````:-``:o/::-..`..--:/+o` -. `- .- `../../+o+////+o+:.` -----syo/o+/:--.```..-://s. .-` `- .- `... ``-:////:-`` .` `/s//:--....-::/+s. -. `-` .- `..` .+o+/:::--:://+s/-..` .::+y ``` .- `..` ./oo++////+oso-` `.... :y-+:::::::/` ... `.:+oooooo/-` `....-. .//:-------:/:-.` ``...`` /+:+:--.......--:+` `+:--..`````..--//` .o:--..`` ``..--:o` .+/--...```..--:+/` `-o/:---...---:++. `-+o+/:---:/+o/. `.:+oooo+/-.` `````` */ #ifdef aimbot #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,avx,avx2") #include <immintrin.h> #endif #define hur(f, g) \ template <class c> int f(c a) { \ if (sizeof(c) == 8) \ return g##ll(a); \ else \ return g(a); \ } hur(popc, __builtin_popcount) hur(ctz, __builtin_ctz) hur(clz, __builtin_clz) /* - place bitset modifications here */ #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <chrono> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <istream> #include <limits> #include <list> #include <map> #include <ostream> #include <queue> #include <random> #include <set> #include <string> #include <typeinfo> #include <unordered_map> #include <unordered_set> #include <vector> #define random escape__from__random__aetuhoetnuhshe #define mt make_tuple #define x first #define y second #define pb push_back #define mp make_pair #define le(v) ((int)v.size()) #define f(i, n) for (int i = 0; i < (n); i++) #define rof(i, n) for (int i = ((n)-1); i >= 0; i--) #define apply(v, act) \ for (auto &x : v) { \ act; \ } #define log(args...) \ { \ string s = #args; \ deque<string> deq; \ string buf = ""; \ int bal = 0; \ for (char c : s) { \ if (c == '(' || c == '[' || c == '{') { \ bal++; \ } else if (c == ')' || c == ']' || c == '}') { \ bal--; \ } else { \ if (bal == 0) { \ if (c == ',') { \ deq.pb(buf); \ buf = ""; \ } else { \ if (c != ' ') { \ buf += c; \ } \ } \ } \ } \ } \ if (!buf.empty()) { \ deq.pb(buf); \ } \ smart_io::precall_print(); \ smart_io::_print(deq, args); \ } inline int min(const int &x, const int &y) { return (((y - x) >> (32 - 1)) & (x ^ y)) ^ x; } inline int max(const int &x, const int &y) { return (((y - x) >> (32 - 1)) & (x ^ y)) ^ y; } inline long long min(const long long &x, const long long &y) { return (((y - x) >> (64 - 1)) & (x ^ y)) ^ x; } inline long long max(const long long &x, const long long &y) { return (((y - x) >> (64 - 1)) & (x ^ y)) ^ y; } #define print \ smart_io::precall_print(); \ cout, #define scan cin, #ifdef fast_allocator const int MAXMEM = 200 * 1000 * 1024; char _memory[MAXMEM]; size_t _ptr = 0; void *operator new(size_t _x) { _ptr += _x; assert(_ptr < MAXMEM); return _memory + _ptr - _x; } void operator delete(void *) noexcept {} #endif using namespace std; char string_in_buffer[(int)260]; void fast_scan(int &x) { scanf("%d", &x); } void fast_scan(long long &x) { scanf("%lld", &x); } void fast_scan(unsigned long long &x) { scanf("%llu", &x); } void fast_scan(double &x) { scanf("%lf", &x); } void fast_scan(long double &x) { scanf("%Lf", &x); } void fast_scan(char &x) { scanf("%c", &x); if (x == '\n') { fast_scan(x); } } void fast_scan(string &x) { scanf("%s", string_in_buffer); x = string(string_in_buffer); } template <class TFirst, class TSecond> void fast_scan(pair<TFirst, TSecond> &p) { fast_scan(p.first); fast_scan(p.second); } template <class T> void fast_scan(vector<T> &v) { for (auto &x : v) fast_scan(x); } void fast_print(const int &x) { printf("%d", x); } void fast_print(const unsigned int &x) { printf("%u", x); } void fast_print(const long long &x) { printf("%lld", x); } void fast_print(const unsigned long long &x) { printf("%llu", x); } void fast_print(const char &x) { printf("%c", x); }; // void fast_print(__int128 x) { // if (x == 0) { fast_print('0'); return; } // if (x < 0) { // fast_print('-'); // x = -x; // } // __int128 p = 1; // while (x / (p * 10)) p *= 10; // while (p) { // __int128 symb = x / p; // fast_print((int)symb); // x -= p * symb; // p /= 10; // } // }; void fast_print(const double &x) { printf("%.15lf", x); } void fast_print(const long double &x) { printf("%.15Lf", x); } void fast_print(const string &x) { printf("%s", x.c_str()); } void fast_print(const char v[]) { fast_print((string)v); } template <class TFirst, class TSecond> void fast_print(const pair<TFirst, TSecond> &p) { fast_print(p.first); fast_print(' '); fast_print(p.second); } template <class T> void fast_print(const vector<T> &v) { if (v.empty()) return; fast_print(v[0]); for (int i = 1; i < v.size(); i++) { fast_print(' '); fast_print(v[i]); } } template <class T> void fast_print(const vector<vector<T>> &v) { if (v.empty()) return; fast_print(v[0]); for (int i = 1; i < v.size(); i++) { fast_print('\n'); fast_print(v[i]); } } template <class T> void fast_print(const T &v) { for (const auto &x : v) { fast_print(x); fast_print(' '); } } using namespace std; namespace smart_io { string print_start = ""; string sep = " "; bool first_print = false; void precall_print() { fast_print(print_start); print_start = "\n"; first_print = true; } void _print(deque<string>) {} template <class T, class... Args> void _print(deque<string> names, T elem, Args... args) { if (!first_print) { fast_print("\n"); } else { first_print = false; } fast_print(names.front()); fast_print(" = "); fast_print(elem); names.pop_front(); _print(names, args...); } } // namespace smart_io template <class T> ostream &operator,(ostream &os, const T &object) { if (!smart_io::first_print) { fast_print(smart_io::sep); } else { smart_io::first_print = false; } fast_print(object); return os; } template <class T> istream &operator,(istream &is, T &object) { fast_scan(object); return is; } namespace random { using namespace std::chrono; mt19937 rng(duration_cast<milliseconds>(system_clock::now().time_since_epoch()) .count()); uniform_real_distribution<> prob_dist(0.0, 1.0); }; // namespace random namespace typedefs { typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef long double ld; } // namespace typedefs /* check every int. check every array bound. */ namespace numbers_operation { template <class T> inline T floor_mod(T a, const T &b) { a %= b; if (a < 0) a += b; return a; } } // namespace numbers_operation using namespace numbers_operation; using namespace typedefs; using namespace random; int n; vector<int> div1[20][20]; signed main(signed argc, char *argv[]) { scan n; vector<tuple<int, int, int>> v; f(i, n) { string s; scan s; int div = 0; for (int j = le(s) - 1; j >= 0; j--) { if (s[j] == '.') { div = le(s) - j - 1; s.erase(s.begin() + j); } } ll x = stoll(s); int two = 0; int five = 0; while (x % 2 == 0) { x /= 2; two++; } while (x % 5 == 0) { x /= 5; five++; } // {div, two, five} v.emplace_back(div, two, five); } sort(v.begin(), v.end()); ll rez = 0; f(i, n) { int div, two, five; tie(div, two, five) = v[i]; for (int two1 = 0; two1 < 20; two1++) { for (int five1 = 0; five1 < 20; five1++) { int X = min(two + two1, five + five1); rez += upper_bound(div1[two1][five1].begin(), div1[two1][five1].end(), X - div) - div1[two1][five1].begin(); } } div1[two][five].pb(div); } print rez; }
/* `-:://:::- `//:-------:/:` .+:--.......--:+` `+:--..`````..--//` .o:--..`` ``..--:o` .o:--...```..---+/` `/y+o/---....---:+o. `...````-os+/:---:/+o/--.` `-/+++++/:. `...` :h+d+oooo+/+-` ... `/++//:::://++-`....` -.`//````````:` `..` `o+/::------://o/` `-` -. -` `..` `---.-o/:./o/::-..``..-ЗАПУСКАЕМ .. .. -` `... ``..`` `....o+:-++/:--.```..-://s. `-` .- -` `-o: .-//::::/:-` `:s+/:--....-::/+s-` .- `- -` -///:--------:/:` ./s+//:::::://oo-``..НЕЙРОННУЮ: СЕТЬ:::::::-`РАБОТЯГИ `+:--........--:/` .:ooo+++++osso-` `.:-...`/` ./::-------:/:` -` :+--..``````.--:+:...-+:-` `.-/+++++/+-.-` -. ``:so:/:--.......--:+` `-```````o+/+--..`````..--:o/-..:s+:. ```````:``.. `-` -` `+:--..`````..--/+-.../.`````..-o:--.......---/o. ` `: `:- -. .o:--..`` ``..--:o` `-` `:o+:--------:+o-` `-`-... .. .o/--...```..--:+/` `-` `oy/so/////++o/.` -/` `-` `- ``+s/o/:---...---:++. `-` .-../d://///:-.` `.---..``-..- .-/..`````-oo+/:::::/+o+- `-``-` `-. ```` `:++++/+++++- ..``.-/:` /y-:/++o++/:.`..` ./. `- -++/::::::://+/..:-``:` .. `-.` ```.``` `..` `..`-` `- `` -o//:--....-::/++` -.-` `-`.-` `..`..` `-.- -----ss+:++/:--.```..-://s. /. `:: `-:. ./` `````/:..+o/::-..``.--:/+s. ..-` `-``-` ..` `-` `-`-` `-s+/::-----::/+oo---``-` .. .:- ``` .-` .-.- `-` `:oo+//::://+os/..:`..-/:` :y.-:::::::.`.-` ./-` `-` `./+oooooooo+/.`- .-:...`.. .//:-------://` `- `..` `:. ``.-::::-.``-/` `-` `- `oo:+:--.......--:/` `- `.:--h.``..``` -.-`.- .- `+:--..`````..--//` `- /s-//::::::::. -` `/- .. .o:--..`` ``..--:o.```.- `//:--------://` -` .-`.-` -.`-o/--...```..--:+/.``-:....``:-.+:--....`...--:+` ..`-. `-. ``:os:o/:---...---:++. `- ``///+:-..``````.--:+-````-.` `.:///////.-` .:-..` -``-+o+/:::::/+o/. `- `:+:-..`````..--:o/:--/ys+- `-++///////+o/. ``....`-. :` `.:++++++/:.` .- -o/---......---/o. `.` `++//:-----::/+o:..` .-` : ``````` .- `+so+:--------:++-` `````:-``:o/::-..`..--:/+o` -. `- .- `../../+o+////+o+:.` -----syo/o+/:--.```..-://s. .-` `- .- `... ``-:////:-`` .` `/s//:--....-::/+s. -. `-` .- `..` .+o+/:::--:://+s/-..` .::+y ``` .- `..` ./oo++////+oso-` `.... :y-+:::::::/` ... `.:+oooooo/-` `....-. .//:-------:/:-.` ``...`` /+:+:--.......--:+` `+:--..`````..--//` .o:--..`` ``..--:o` .+/--...```..--:+/` `-o/:---...---:++. `-+o+/:---:/+o/. `.:+oooo+/-.` `````` */ #ifdef aimbot #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,avx,avx2") #include <immintrin.h> #endif #define hur(f, g) \ template <class c> int f(c a) { \ if (sizeof(c) == 8) \ return g##ll(a); \ else \ return g(a); \ } hur(popc, __builtin_popcount) hur(ctz, __builtin_ctz) hur(clz, __builtin_clz) /* - place bitset modifications here */ #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <chrono> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <istream> #include <limits> #include <list> #include <map> #include <ostream> #include <queue> #include <random> #include <set> #include <string> #include <typeinfo> #include <unordered_map> #include <unordered_set> #include <vector> #define random escape__from__random__aetuhoetnuhshe #define mt make_tuple #define x first #define y second #define pb push_back #define mp make_pair #define le(v) ((int)v.size()) #define f(i, n) for (int i = 0; i < (n); i++) #define rof(i, n) for (int i = ((n)-1); i >= 0; i--) #define apply(v, act) \ for (auto &x : v) { \ act; \ } #define log(args...) \ { \ string s = #args; \ deque<string> deq; \ string buf = ""; \ int bal = 0; \ for (char c : s) { \ if (c == '(' || c == '[' || c == '{') { \ bal++; \ } else if (c == ')' || c == ']' || c == '}') { \ bal--; \ } else { \ if (bal == 0) { \ if (c == ',') { \ deq.pb(buf); \ buf = ""; \ } else { \ if (c != ' ') { \ buf += c; \ } \ } \ } \ } \ } \ if (!buf.empty()) { \ deq.pb(buf); \ } \ smart_io::precall_print(); \ smart_io::_print(deq, args); \ } inline int min(const int &x, const int &y) { return (((y - x) >> (32 - 1)) & (x ^ y)) ^ x; } inline int max(const int &x, const int &y) { return (((y - x) >> (32 - 1)) & (x ^ y)) ^ y; } inline long long min(const long long &x, const long long &y) { return (((y - x) >> (64 - 1)) & (x ^ y)) ^ x; } inline long long max(const long long &x, const long long &y) { return (((y - x) >> (64 - 1)) & (x ^ y)) ^ y; } #define print \ smart_io::precall_print(); \ cout, #define scan cin, #ifdef fast_allocator const int MAXMEM = 200 * 1000 * 1024; char _memory[MAXMEM]; size_t _ptr = 0; void *operator new(size_t _x) { _ptr += _x; assert(_ptr < MAXMEM); return _memory + _ptr - _x; } void operator delete(void *) noexcept {} #endif using namespace std; char string_in_buffer[(int)260]; void fast_scan(int &x) { scanf("%d", &x); } void fast_scan(long long &x) { scanf("%lld", &x); } void fast_scan(unsigned long long &x) { scanf("%llu", &x); } void fast_scan(double &x) { scanf("%lf", &x); } void fast_scan(long double &x) { scanf("%Lf", &x); } void fast_scan(char &x) { scanf("%c", &x); if (x == '\n') { fast_scan(x); } } void fast_scan(string &x) { scanf("%s", string_in_buffer); x = string(string_in_buffer); } template <class TFirst, class TSecond> void fast_scan(pair<TFirst, TSecond> &p) { fast_scan(p.first); fast_scan(p.second); } template <class T> void fast_scan(vector<T> &v) { for (auto &x : v) fast_scan(x); } void fast_print(const int &x) { printf("%d", x); } void fast_print(const unsigned int &x) { printf("%u", x); } void fast_print(const long long &x) { printf("%lld", x); } void fast_print(const unsigned long long &x) { printf("%llu", x); } void fast_print(const char &x) { printf("%c", x); }; // void fast_print(__int128 x) { // if (x == 0) { fast_print('0'); return; } // if (x < 0) { // fast_print('-'); // x = -x; // } // __int128 p = 1; // while (x / (p * 10)) p *= 10; // while (p) { // __int128 symb = x / p; // fast_print((int)symb); // x -= p * symb; // p /= 10; // } // }; void fast_print(const double &x) { printf("%.15lf", x); } void fast_print(const long double &x) { printf("%.15Lf", x); } void fast_print(const string &x) { printf("%s", x.c_str()); } void fast_print(const char v[]) { fast_print((string)v); } template <class TFirst, class TSecond> void fast_print(const pair<TFirst, TSecond> &p) { fast_print(p.first); fast_print(' '); fast_print(p.second); } template <class T> void fast_print(const vector<T> &v) { if (v.empty()) return; fast_print(v[0]); for (int i = 1; i < v.size(); i++) { fast_print(' '); fast_print(v[i]); } } template <class T> void fast_print(const vector<vector<T>> &v) { if (v.empty()) return; fast_print(v[0]); for (int i = 1; i < v.size(); i++) { fast_print('\n'); fast_print(v[i]); } } template <class T> void fast_print(const T &v) { for (const auto &x : v) { fast_print(x); fast_print(' '); } } using namespace std; namespace smart_io { string print_start = ""; string sep = " "; bool first_print = false; void precall_print() { fast_print(print_start); print_start = "\n"; first_print = true; } void _print(deque<string>) {} template <class T, class... Args> void _print(deque<string> names, T elem, Args... args) { if (!first_print) { fast_print("\n"); } else { first_print = false; } fast_print(names.front()); fast_print(" = "); fast_print(elem); names.pop_front(); _print(names, args...); } } // namespace smart_io template <class T> ostream &operator,(ostream &os, const T &object) { if (!smart_io::first_print) { fast_print(smart_io::sep); } else { smart_io::first_print = false; } fast_print(object); return os; } template <class T> istream &operator,(istream &is, T &object) { fast_scan(object); return is; } namespace random { using namespace std::chrono; mt19937 rng(duration_cast<milliseconds>(system_clock::now().time_since_epoch()) .count()); uniform_real_distribution<> prob_dist(0.0, 1.0); }; // namespace random namespace typedefs { typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef long double ld; } // namespace typedefs /* check every int. check every array bound. */ namespace numbers_operation { template <class T> inline T floor_mod(T a, const T &b) { a %= b; if (a < 0) a += b; return a; } } // namespace numbers_operation using namespace numbers_operation; using namespace typedefs; using namespace random; int n; vector<int> div1[20][20]; signed main(signed argc, char *argv[]) { scan n; vector<tuple<int, int, int>> v; f(i, n) { string s; scan s; int div = 0; for (int j = le(s) - 1; j >= 0; j--) { if (s[j] == '.') { div = le(s) - j - 1; s.erase(s.begin() + j); } } ll x = stoll(s); int two = 0; int five = 0; while (x % 2 == 0) { x /= 2; two++; } while (x % 5 == 0) { x /= 5; five++; } // {div, two, five} two = min(two, 19); five = min(five, 19); v.emplace_back(div, two, five); } sort(v.begin(), v.end()); ll rez = 0; f(i, n) { int div, two, five; tie(div, two, five) = v[i]; for (int two1 = 0; two1 < 20; two1++) { for (int five1 = 0; five1 < 20; five1++) { int X = min(two + two1, five + five1); rez += upper_bound(div1[two1][five1].begin(), div1[two1][five1].end(), X - div) - div1[two1][five1].begin(); } } div1[two][five].pb(div); } print rez; }
insert
387
387
387
389
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #define pb push_back #define pi pair<int, int> #define l first #define r second #define all(x) x.begin(), x.end() #define fori(a, b, step) for (int i = a; i < b; i += step) #define forj(a, b, step) for (int j = a; j < b; j += step) #define int long long const int maxn = 1e5 + 1, mod = 1e9 + 7; using namespace std; int n; int a[maxn]; int c2[maxn], c5[maxn]; int cnt[65][25]; signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n; for (int i = 0; i < n; i++) { string ca; cin >> ca; int dc = 9, bf = 0; for (int j = 0; j < ca.size(); j++) { if (ca[j] == '.') { bf = 1; continue; } a[i] = 10 * a[i] + ca[j] - '0'; if (bf) --dc; } for (; dc; --dc, a[i] *= 10) ; for (int x = a[i]; x % 2 == 0; x /= 2, ++c2[i]) ; for (int x = a[i]; x % 5 == 0; x /= 5, ++c5[i]) ; ++cnt[c2[i]][c5[i]]; } int ans = 0; for (int i = 0; i < 65; i++) for (int j = 0; j < 25; j++) { if (!cnt[i][j]) continue; for (int l = max(0ll, 18 - i); l < 65; l++) for (int k = max(0ll, 18 - j); k < 25; k++) { if (!cnt[l][k]) continue; if (i == l && j == k) { ans += cnt[i][j] * (cnt[i][j] - 1); continue; } ans += cnt[i][j] * cnt[l][k]; } } cout << ans / 2; return 0; }
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #define pb push_back #define pi pair<int, int> #define l first #define r second #define all(x) x.begin(), x.end() #define fori(a, b, step) for (int i = a; i < b; i += step) #define forj(a, b, step) for (int j = a; j < b; j += step) #define int long long const int maxn = 2e5 + 1, mod = 1e9 + 7; using namespace std; int n; int a[maxn]; int c2[maxn], c5[maxn]; int cnt[65][25]; signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n; for (int i = 0; i < n; i++) { string ca; cin >> ca; int dc = 9, bf = 0; for (int j = 0; j < ca.size(); j++) { if (ca[j] == '.') { bf = 1; continue; } a[i] = 10 * a[i] + ca[j] - '0'; if (bf) --dc; } for (; dc; --dc, a[i] *= 10) ; for (int x = a[i]; x % 2 == 0; x /= 2, ++c2[i]) ; for (int x = a[i]; x % 5 == 0; x /= 5, ++c5[i]) ; ++cnt[c2[i]][c5[i]]; } int ans = 0; for (int i = 0; i < 65; i++) for (int j = 0; j < 25; j++) { if (!cnt[i][j]) continue; for (int l = max(0ll, 18 - i); l < 65; l++) for (int k = max(0ll, 18 - j); k < 25; k++) { if (!cnt[l][k]) continue; if (i == l && j == k) { ans += cnt[i][j] * (cnt[i][j] - 1); continue; } ans += cnt[i][j] * cnt[l][k]; } } cout << ans / 2; return 0; }
replace
11
12
11
12
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define DEBUG(x) cerr << #x << ": " << x << endl; #define DEBUG_VEC(v) \ cerr << #v << ":"; \ for (int i = 0; i < v.size(); i++) \ cerr << " " << v[i]; \ cerr << endl; #define DEBUG_MAT(v) \ cerr << #v << endl; \ for (int i = 0; i < v.size(); i++) { \ for (int j = 0; j < v[i].size(); j++) { \ cerr << v[i][j] << " "; \ } \ cerr << endl; \ } typedef long long ll; #define int ll #define vi vector<int> #define vl vector<ll> #define vii vector<vector<int>> #define vll vector<vector<ll>> #define vs vector<string> #define pii pair<int, int> #define pis pair<int, string> #define psi pair<string, int> #define pll pair<ll, ll> template <class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template <class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template <class S, class T> ostream &operator<<(ostream &os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define rrep1(i, n) for (int i = (int)(n); i > 0; i--) #define REP(i, a, b) for (int i = a; i < b; i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(), c.end() template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; #define Sp(p) cout << setprecision(25) << fixed << p << endl; // int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; // int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; vi dx = {1, 0, -1, 0}, dy = {0, 1, 0, -1}; // vi dx2 = { 1,1,0,-1,-1,-1,0,1 }, dy2 = { 0,1,1,1,0,-1,-1,-1 }; #define fio() \ cin.tie(0); \ ios::sync_with_stdio(false); const ll MOD = 1000000007; // const ll MOD = 998244353; // #define mp make_pair // #define endl '\n' /* struct dice { mt19937 mt; dice() : mt(chrono::steady_clock::now().time_since_epoch().count()) {} // [0, x)の一様乱数 ll operator()(ll x) { return this->operator()(0, x); } // [x, y)の一様乱数 ll operator()(ll x, ll y) { uniform_int_distribution<ll> dist(x, y - 1); return dist(mt); } vl operator()(int n, ll x, ll y) { vl res(n); for (int i = 0; i < n; i++) res[i] = this->operator()(x, y); return res; } } rnd; using ull = unsigned long long; const ull MASK30 = (1UL << 30) - 1; const ull MASK31 = (1UL << 31) - 1; const ull M = (1UL << 61) - 1; const ull B = rnd(2, M >> 1); const ull POSITIVIZER = M * 3;; class RollingHash { public: vector<ull> hash; vector<ull> Bpower; RollingHash(string s) { int n = s.size(); hash.resize(n + 1); Bpower.resize(n + 1); Bpower[0] = 1; for (int i = 0; i < n; i++) { hash[i + 1] = _calc_mod(_mul(hash[i], B) + s[i]); Bpower[i + 1] = _calc_mod(_mul(Bpower[i], B)); } } //S[l, r) ull part(int l, int r) { return _calc_mod(hash[r] + POSITIVIZER - _mul(hash[l], Bpower[r - l])); } ull _mul(ull a, ull b) { ull au = a >> 31; ull ad = a & MASK31; ull bu = b >> 31; ull bd = b & MASK31; ull mid = ad * bu + au * bd; ull midu = mid >> 30; ull midd = mid & MASK30; return au * bu * 2 + midu + (midd << 31) + ad * bd; } ull _calc_mod(ull val) { val = (val & M) + (val >> 61); if (val > M) val -= M; return val; } }; signed main() { fio(); int n; cin >> n; vector<string> s(n); rep (i, n) cin >> s[i]; sort(all(s), [](string &s1, string& s2) { return s1.size() < s2.size(); }); // DEBUG_VEC(s); vector<deque<char>> head(n); vector<deque<char>> tail(n); vector<RollingHash> hs; rep (i, n) { hs.push_back(RollingHash(s[i])); } vii num(n, vi(26)); rep (i, n) { rep (j, s[i].size()) { head[i].push_back(s[i][j]); num[i][s[i][j] - 'a']++; } } map<ull, vi> mp; mp[0] = vi(26); int start_idx = -1; rep (i, n) { if (s[i].size() == 1) continue; if (start_idx == -1) start_idx = i; rep (j, 26) { if (num[i][j] > 0) mp[0][j]++; } } ll ans = 0; int i = 0; for (i = 0; i < n; i++) { if (s[i].size() == 1) { ans += mp[0][s[i][0] - 'a']; } else break; } int pre_len = 1; for (; i < n; i++) { if (s[i].size() > pre_len) { pre_len = s[i].size(); while (s[start_idx].size() == s[i].size()) start_idx++; map<ull, vi> mp2; for (int j = start_idx; j < n; j++) { while (tail[j].size() < pre_len - 1) { tail[j].push_front(head[j].back()); num[j][head[j].back() - 'a']--; head[j].pop_back(); } ull hash = hs[j].part((int)s[j].size() - (pre_len - 1), s[j].size()); if (mp2.count(hash) == 0) mp2[hash] = vi(26); rep (k, 26) { if (num[j][k] > 0) mp2[hash][k]++; } } swap(mp, mp2); } ull hash = hs[i].part(1, s[i].size()); if (mp.count(hash)) { ans += mp[hash][s[i][0] - 'a']; } } cout << ans << endl; } //*/ //* signed main() { fio(); int n; cin >> n; vector<pii> tf; int mi2 = inf, mi5 = inf; int ma2 = -inf, ma5 = -inf; rep(i, n) { string s; cin >> s; ll bo = 1; rrep(i, s.size()) { if (s[i] == '.') { for (int j = i + 1; j < s.size(); j++) bo++; s.erase(s.begin() + i); break; } } ll si = stoll(s); // DEBUG(pll(si, bo)); int two = 0, fi = 0; while (si > 0 and si % 2 == 0) { two++; si /= 2; } while (si > 0 and si % 5 == 0) { fi++; si /= 5; } two -= bo - 1; fi -= bo - 1; tf.push_back(pii(two, fi)); chmin(mi2, two); chmin(mi5, fi); chmax(ma2, two); chmax(ma5, fi); } // DEBUG_VEC(tf); int N = 20; vii a(N, vi(N)); rep(i, n) { int two = tf[i].first, fi = tf[i].second; a[two - mi2][fi - mi5]++; } vll sum(N + 1, vl(N + 1)); rep(i, N) { rep(j, N) { sum[i + 1][j + 1] = sum[i + 1][j] + a[i][j]; } } rep(i, N) { rep(j, N + 1) { sum[i + 1][j] += sum[i][j]; } } // DEBUG_MAT(sum); ll ans = 0; rep(i, n) { int two = tf[i].first, fi = tf[i].second; if (tf[i].first >= 0 and tf[i].second >= 0) ans--; // DEBUG(ans); int ii = -two - mi2, jj = -fi - mi5; chmax(ii, 0LL); chmax(jj, 0LL); ans += sum[N][N] - sum[ii][N] - sum[N][jj] + sum[ii][jj]; // DEBUG(ans); } assert(ans % 2 == 0); ans /= 2; cout << ans << endl; } //*/
#include <bits/stdc++.h> using namespace std; #define DEBUG(x) cerr << #x << ": " << x << endl; #define DEBUG_VEC(v) \ cerr << #v << ":"; \ for (int i = 0; i < v.size(); i++) \ cerr << " " << v[i]; \ cerr << endl; #define DEBUG_MAT(v) \ cerr << #v << endl; \ for (int i = 0; i < v.size(); i++) { \ for (int j = 0; j < v[i].size(); j++) { \ cerr << v[i][j] << " "; \ } \ cerr << endl; \ } typedef long long ll; #define int ll #define vi vector<int> #define vl vector<ll> #define vii vector<vector<int>> #define vll vector<vector<ll>> #define vs vector<string> #define pii pair<int, int> #define pis pair<int, string> #define psi pair<string, int> #define pll pair<ll, ll> template <class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template <class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template <class S, class T> ostream &operator<<(ostream &os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define rrep1(i, n) for (int i = (int)(n); i > 0; i--) #define REP(i, a, b) for (int i = a; i < b; i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(), c.end() template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; #define Sp(p) cout << setprecision(25) << fixed << p << endl; // int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; // int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; vi dx = {1, 0, -1, 0}, dy = {0, 1, 0, -1}; // vi dx2 = { 1,1,0,-1,-1,-1,0,1 }, dy2 = { 0,1,1,1,0,-1,-1,-1 }; #define fio() \ cin.tie(0); \ ios::sync_with_stdio(false); const ll MOD = 1000000007; // const ll MOD = 998244353; // #define mp make_pair // #define endl '\n' /* struct dice { mt19937 mt; dice() : mt(chrono::steady_clock::now().time_since_epoch().count()) {} // [0, x)の一様乱数 ll operator()(ll x) { return this->operator()(0, x); } // [x, y)の一様乱数 ll operator()(ll x, ll y) { uniform_int_distribution<ll> dist(x, y - 1); return dist(mt); } vl operator()(int n, ll x, ll y) { vl res(n); for (int i = 0; i < n; i++) res[i] = this->operator()(x, y); return res; } } rnd; using ull = unsigned long long; const ull MASK30 = (1UL << 30) - 1; const ull MASK31 = (1UL << 31) - 1; const ull M = (1UL << 61) - 1; const ull B = rnd(2, M >> 1); const ull POSITIVIZER = M * 3;; class RollingHash { public: vector<ull> hash; vector<ull> Bpower; RollingHash(string s) { int n = s.size(); hash.resize(n + 1); Bpower.resize(n + 1); Bpower[0] = 1; for (int i = 0; i < n; i++) { hash[i + 1] = _calc_mod(_mul(hash[i], B) + s[i]); Bpower[i + 1] = _calc_mod(_mul(Bpower[i], B)); } } //S[l, r) ull part(int l, int r) { return _calc_mod(hash[r] + POSITIVIZER - _mul(hash[l], Bpower[r - l])); } ull _mul(ull a, ull b) { ull au = a >> 31; ull ad = a & MASK31; ull bu = b >> 31; ull bd = b & MASK31; ull mid = ad * bu + au * bd; ull midu = mid >> 30; ull midd = mid & MASK30; return au * bu * 2 + midu + (midd << 31) + ad * bd; } ull _calc_mod(ull val) { val = (val & M) + (val >> 61); if (val > M) val -= M; return val; } }; signed main() { fio(); int n; cin >> n; vector<string> s(n); rep (i, n) cin >> s[i]; sort(all(s), [](string &s1, string& s2) { return s1.size() < s2.size(); }); // DEBUG_VEC(s); vector<deque<char>> head(n); vector<deque<char>> tail(n); vector<RollingHash> hs; rep (i, n) { hs.push_back(RollingHash(s[i])); } vii num(n, vi(26)); rep (i, n) { rep (j, s[i].size()) { head[i].push_back(s[i][j]); num[i][s[i][j] - 'a']++; } } map<ull, vi> mp; mp[0] = vi(26); int start_idx = -1; rep (i, n) { if (s[i].size() == 1) continue; if (start_idx == -1) start_idx = i; rep (j, 26) { if (num[i][j] > 0) mp[0][j]++; } } ll ans = 0; int i = 0; for (i = 0; i < n; i++) { if (s[i].size() == 1) { ans += mp[0][s[i][0] - 'a']; } else break; } int pre_len = 1; for (; i < n; i++) { if (s[i].size() > pre_len) { pre_len = s[i].size(); while (s[start_idx].size() == s[i].size()) start_idx++; map<ull, vi> mp2; for (int j = start_idx; j < n; j++) { while (tail[j].size() < pre_len - 1) { tail[j].push_front(head[j].back()); num[j][head[j].back() - 'a']--; head[j].pop_back(); } ull hash = hs[j].part((int)s[j].size() - (pre_len - 1), s[j].size()); if (mp2.count(hash) == 0) mp2[hash] = vi(26); rep (k, 26) { if (num[j][k] > 0) mp2[hash][k]++; } } swap(mp, mp2); } ull hash = hs[i].part(1, s[i].size()); if (mp.count(hash)) { ans += mp[hash][s[i][0] - 'a']; } } cout << ans << endl; } //*/ //* signed main() { fio(); int n; cin >> n; vector<pii> tf; int mi2 = inf, mi5 = inf; int ma2 = -inf, ma5 = -inf; rep(i, n) { string s; cin >> s; ll bo = 1; rrep(i, s.size()) { if (s[i] == '.') { for (int j = i + 1; j < s.size(); j++) bo++; s.erase(s.begin() + i); break; } } ll si = stoll(s); // DEBUG(pll(si, bo)); int two = 0, fi = 0; while (si > 0 and si % 2 == 0) { two++; si /= 2; } while (si > 0 and si % 5 == 0) { fi++; si /= 5; } two -= bo - 1; fi -= bo - 1; tf.push_back(pii(two, fi)); chmin(mi2, two); chmin(mi5, fi); chmax(ma2, two); chmax(ma5, fi); } // DEBUG_VEC(tf); int N = 400; vii a(N, vi(N)); rep(i, n) { int two = tf[i].first, fi = tf[i].second; a[two - mi2][fi - mi5]++; } vll sum(N + 1, vl(N + 1)); rep(i, N) { rep(j, N) { sum[i + 1][j + 1] = sum[i + 1][j] + a[i][j]; } } rep(i, N) { rep(j, N + 1) { sum[i + 1][j] += sum[i][j]; } } // DEBUG_MAT(sum); ll ans = 0; rep(i, n) { int two = tf[i].first, fi = tf[i].second; if (tf[i].first >= 0 and tf[i].second >= 0) ans--; // DEBUG(ans); int ii = -two - mi2, jj = -fi - mi5; chmax(ii, 0LL); chmax(jj, 0LL); ans += sum[N][N] - sum[ii][N] - sum[N][jj] + sum[ii][jj]; // DEBUG(ans); } assert(ans % 2 == 0); ans /= 2; cout << ans << endl; } //*/
replace
268
269
268
269
0
p02588
C++
Time Limit Exceeded
#include <algorithm> #include <cmath> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> #define MOD (1000000000 + 7) using namespace std; typedef long long ll; const int MAX = 3000000; long long fac[MAX], finv[MAX], inv[MAX]; long long modinv(long long a, long long m) { long long b = m, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0) u += m; return u; } ll modpow(ll a, ll n, ll mod) { ll res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } // テーブルを作る前処理 void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(int n, int k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } map<ll, ll> prime; // 素因数分解でそれぞれの素数がいくつ出てきたかを保存するmap // O(√n) // 整列済み(mapはkeyで自動で整列される) void prime_factorize(ll n) { if (n <= 1) return; ll l = sqrt(n); for (ll i = 2; i <= (ll)(l); i++) { // if (n % i == 0) { prime_factorize(i); prime_factorize(ll(n / i)); return; } } // mapでは存在しないkeyの場合も自動で構築される prime[n]++; return; } // 約数列挙? vector<ll> divisor; void list_divisor(ll n) { divisor.clear(); for (int i = 1; i * i <= n; i++) { if (n % i == 0) { divisor.push_back(i); if (i * i != n) divisor.push_back(n / i); } } sort(divisor.begin(), divisor.end()); } vector<bool> Eratosthenes(ll N) { vector<bool> primes(N, true); vector<ll> ret; primes[0] = false; primes[1] = false; for (ll i = 2; pow(i, 2) <= N; i++) { if (primes[i]) { for (int j = 2; i * j <= N; j++) primes[i * j] = false; ret.push_back(primes[i]); } } return primes; // ret; } template <typename T> bool next_combination(const T first, const T last, int k) { // ** Sample ** // vector<int> v{1, 2, 3, 4, 5, 6, 7}; // do { // for (int i = 0; i < k; i++) { // cout << v[i] << " "; // } // cout << "| "; // for (int i = k; i < v.size(); i++) { // cout << v[i] << " "; // } // cout << endl; // } while(next_combination(v.begin(), v.end(), k)); const T subset = first + k; // empty container | k = 0 | k == n if (first == last || first == subset || last == subset) { return false; } T src = subset; while (first != src) { src--; if (*src < *(last - 1)) { T dest = subset; while (*src >= *dest) { dest++; } iter_swap(src, dest); rotate(src + 1, dest + 1, last); rotate(subset, subset + (last - dest) - 1, last); return true; } } // restore rotate(first, subset, last); return false; } // union by size + path having class UnionFind { public: vector<ll> par; // 各元の親を表す配列 vector<ll> siz; // 素集合のサイズを表す配列(1 で初期化) // Constructor UnionFind(ll sz_) : par(sz_), siz(sz_, 1LL) { for (ll i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 } void init(ll sz_) { par.resize(sz_); siz.assign(sz_, 1LL); // resize だとなぜか初期化されなかった for (ll i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 } // Member Function // Find ll root(ll x) { // 根の検索 while (par[x] != x) { x = par[x] = par[par[x]]; // x の親の親を x の親とする } return x; } // Union(Unite, Merge) bool merge(ll x, ll y) { x = root(x); y = root(y); if (x == y) return false; // merge technique(データ構造をマージするテク.小を大にくっつける) if (siz[x] < siz[y]) swap(x, y); siz[x] += siz[y]; par[y] = x; return true; } bool issame(ll x, ll y) { // 連結判定 return root(x) == root(y); } ll size(ll x) { // 素集合のサイズ return siz[root(x)]; } }; int main() { ll N; cin >> N; vector<ll> A(N, 0); vector<ll> five(N, 0); vector<ll> two(N, 0); vector<vector<ll>> count(20, vector<ll>(20, 0)); vector<vector<ll>> cum(20, vector<ll>(20, 0)); for (ll i = 0; i < N; i++) { string d; cin >> d; ll small = 0; if (d.find('.') != string::npos) { small = d.length() - d.find('.') - 1; d.erase(remove(d.begin(), d.end(), '.'), d.end()); } A[i] = stoll(d); for (int j = 1; j <= 9 - small; j++) { A[i] *= 10; } prime.clear(); prime_factorize(A[i]); five[i] = prime[5] >= 20 ? 19 : prime[5]; two[i] = prime[2] >= 20 ? 19 : prime[2]; // cout << d << "->" << stoll(d) << " -> " << A[i] << ":" << two[i] <<"," << // five[i] << endl; count[two[i]][five[i]]++; } // return 0; for (ll i = 19; i >= 0; i--) { for (ll j = 19; j >= 0; j--) { if (i == 19 && j == 19) cum[i][j] = count[i][j]; else if (i == 19) cum[i][j] = cum[i][j + 1] + count[i][j]; else if (j == 19) cum[i][j] = cum[i + 1][j] + count[i][j]; else cum[i][j] = cum[i][j + 1] + cum[i + 1][j] + count[i][j] - cum[i + 1][j + 1]; } } // cout << "test " << endl; ll ret = 0; for (ll i = 0; i < N; i++) { ll res = (two[i] >= 18 - two[i] && five[i] >= 18 - five[i]) ? 1 : 0; ret += cum[max((ll)0, 18 - two[i])][max((ll)0, 18 - five[i])] - res; // cout << A[i] << "," << cum[18-two[i]][18-five[i]] - res << endl; } cout << ret / 2 << endl; return 0; }
#include <algorithm> #include <cmath> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> #define MOD (1000000000 + 7) using namespace std; typedef long long ll; const int MAX = 3000000; long long fac[MAX], finv[MAX], inv[MAX]; long long modinv(long long a, long long m) { long long b = m, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0) u += m; return u; } ll modpow(ll a, ll n, ll mod) { ll res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } // テーブルを作る前処理 void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(int n, int k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } map<ll, ll> prime; // 素因数分解でそれぞれの素数がいくつ出てきたかを保存するmap // O(√n) // 整列済み(mapはkeyで自動で整列される) void prime_factorize(ll n) { if (n <= 1) return; ll l = sqrt(n); for (ll i = 2; i <= (ll)(l); i++) { // if (n % i == 0) { prime_factorize(i); prime_factorize(ll(n / i)); return; } } // mapでは存在しないkeyの場合も自動で構築される prime[n]++; return; } // 約数列挙? vector<ll> divisor; void list_divisor(ll n) { divisor.clear(); for (int i = 1; i * i <= n; i++) { if (n % i == 0) { divisor.push_back(i); if (i * i != n) divisor.push_back(n / i); } } sort(divisor.begin(), divisor.end()); } vector<bool> Eratosthenes(ll N) { vector<bool> primes(N, true); vector<ll> ret; primes[0] = false; primes[1] = false; for (ll i = 2; pow(i, 2) <= N; i++) { if (primes[i]) { for (int j = 2; i * j <= N; j++) primes[i * j] = false; ret.push_back(primes[i]); } } return primes; // ret; } template <typename T> bool next_combination(const T first, const T last, int k) { // ** Sample ** // vector<int> v{1, 2, 3, 4, 5, 6, 7}; // do { // for (int i = 0; i < k; i++) { // cout << v[i] << " "; // } // cout << "| "; // for (int i = k; i < v.size(); i++) { // cout << v[i] << " "; // } // cout << endl; // } while(next_combination(v.begin(), v.end(), k)); const T subset = first + k; // empty container | k = 0 | k == n if (first == last || first == subset || last == subset) { return false; } T src = subset; while (first != src) { src--; if (*src < *(last - 1)) { T dest = subset; while (*src >= *dest) { dest++; } iter_swap(src, dest); rotate(src + 1, dest + 1, last); rotate(subset, subset + (last - dest) - 1, last); return true; } } // restore rotate(first, subset, last); return false; } // union by size + path having class UnionFind { public: vector<ll> par; // 各元の親を表す配列 vector<ll> siz; // 素集合のサイズを表す配列(1 で初期化) // Constructor UnionFind(ll sz_) : par(sz_), siz(sz_, 1LL) { for (ll i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 } void init(ll sz_) { par.resize(sz_); siz.assign(sz_, 1LL); // resize だとなぜか初期化されなかった for (ll i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 } // Member Function // Find ll root(ll x) { // 根の検索 while (par[x] != x) { x = par[x] = par[par[x]]; // x の親の親を x の親とする } return x; } // Union(Unite, Merge) bool merge(ll x, ll y) { x = root(x); y = root(y); if (x == y) return false; // merge technique(データ構造をマージするテク.小を大にくっつける) if (siz[x] < siz[y]) swap(x, y); siz[x] += siz[y]; par[y] = x; return true; } bool issame(ll x, ll y) { // 連結判定 return root(x) == root(y); } ll size(ll x) { // 素集合のサイズ return siz[root(x)]; } }; int main() { ll N; cin >> N; vector<ll> A(N, 0); vector<ll> five(N, 0); vector<ll> two(N, 0); vector<vector<ll>> count(20, vector<ll>(20, 0)); vector<vector<ll>> cum(20, vector<ll>(20, 0)); for (ll i = 0; i < N; i++) { string d; cin >> d; ll small = 0; if (d.find('.') != string::npos) { small = d.length() - d.find('.') - 1; d.erase(remove(d.begin(), d.end(), '.'), d.end()); } A[i] = stoll(d); for (int j = 1; j <= 9 - small; j++) { A[i] *= 10; } // prime.clear(); // prime_factorize(A[i]); ll twov = 0; ll fivev = 0; while (true) { if (A[i] % 2 != 0) break; A[i] /= 2; twov++; } while (true) { if (A[i] % 5 != 0) break; A[i] /= 5; fivev++; } five[i] = fivev >= 20 ? 19 : fivev; two[i] = twov >= 20 ? 19 : twov; // cout << d << "->" << stoll(d) << " -> " << A[i] << ":" << two[i] <<"," << // five[i] << endl; count[two[i]][five[i]]++; } // return 0; for (ll i = 19; i >= 0; i--) { for (ll j = 19; j >= 0; j--) { if (i == 19 && j == 19) cum[i][j] = count[i][j]; else if (i == 19) cum[i][j] = cum[i][j + 1] + count[i][j]; else if (j == 19) cum[i][j] = cum[i + 1][j] + count[i][j]; else cum[i][j] = cum[i][j + 1] + cum[i + 1][j] + count[i][j] - cum[i + 1][j + 1]; } } // cout << "test " << endl; ll ret = 0; for (ll i = 0; i < N; i++) { ll res = (two[i] >= 18 - two[i] && five[i] >= 18 - five[i]) ? 1 : 0; ret += cum[max((ll)0, 18 - two[i])][max((ll)0, 18 - five[i])] - res; // cout << A[i] << "," << cum[18-two[i]][18-five[i]] - res << endl; } cout << ret / 2 << endl; return 0; }
replace
231
235
231
251
TLE
p02588
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int(i) = 0; (i) < (n); (i)++) #define ll long long #define pp pair<ll, ll> #define ld long double #define all(a) (a).begin(), (a).end() #define mk make_pair int inf = 1000001000; ll INF = 1e18; ll mod = 1000000007; ll MOD = INF; int Pow(int b, int e) { if (e < 0) e += MOD - 1; int ret = 1; while (e) { if (e & 1) ret = 1LL * ret * b % MOD; b = 1LL * b * b % MOD; e >>= 1; } return ret; } int main() { int n; cin >> n; vector<string> a(n); vector<ll> b(n, 0); rep(i, n) cin >> a[i]; rep(i, n) { ll u = 9; bool t = false; rep(j, a[i].size()) { if (t) u--; if (a[i][j] != '.') { b[i] *= 10; b[i] += a[i][j] - '0'; } else t = true; } b[i] *= Pow(10, u); } vector<vector<ll>> c(20, vector<ll>(20, 0)); ll ans = 0; rep(i, n) { int c2 = 0, c5 = 0; while (true) { if (b[i] % 2 == 0) c2++; else break; b[i] /= 2; } while (true) { if (b[i] % 5 == 0) c5++; else break; b[i] /= 5; } ans += c[18 - c2][18 - c5]; rep(j, min(c2 + 1, 20)) { rep(k, min(c5 + 1, 20)) { c[j][k]++; } } } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int(i) = 0; (i) < (n); (i)++) #define ll long long #define pp pair<ll, ll> #define ld long double #define all(a) (a).begin(), (a).end() #define mk make_pair int inf = 1000001000; ll INF = 1e18; ll mod = 1000000007; ll MOD = INF; int Pow(int b, int e) { if (e < 0) e += MOD - 1; int ret = 1; while (e) { if (e & 1) ret = 1LL * ret * b % MOD; b = 1LL * b * b % MOD; e >>= 1; } return ret; } int main() { int n; cin >> n; vector<string> a(n); vector<ll> b(n, 0); rep(i, n) cin >> a[i]; rep(i, n) { ll u = 9; bool t = false; rep(j, a[i].size()) { if (t) u--; if (a[i][j] != '.') { b[i] *= 10; b[i] += a[i][j] - '0'; } else t = true; } b[i] *= Pow(10, u); } vector<vector<ll>> c(20, vector<ll>(20, 0)); ll ans = 0; rep(i, n) { int c2 = 0, c5 = 0; while (true) { if (b[i] % 2 == 0) c2++; else break; b[i] /= 2; } while (true) { if (b[i] % 5 == 0) c5++; else break; b[i] /= 5; } ans += c[max(0, 18 - c2)][max(0, 18 - c5)]; rep(j, min(c2 + 1, 20)) { rep(k, min(c5 + 1, 20)) { c[j][k]++; } } } cout << ans << endl; }
replace
64
65
64
65
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int N, cnt[100][100]; char sir[100]; const int maxE = 9; long long ans = 0; int getExp(long long &N, int p) { int cnt = 0; while (N % p == 0) N /= p, cnt++; return cnt; } void add(int x, int y) { // printf ("%d %d\n", x, y); for (int i = 2 * maxE - x; i <= 2 * maxE; i++) for (int j = 2 * maxE - y; j <= 2 * maxE; j++) ans += cnt[i][j]; cnt[x][y]++; } int main() { // freopen ("input", "r", stdin); // freopen ("output", "w", stdout); scanf("%d\n", &N); for (int i = 1; i <= N; i++) { scanf("%s", sir + 1); int L = strlen(sir + 1), p = 1; long long curr = 0; while (p <= L && sir[p] != '.') curr = curr * 10LL + sir[p] - '0', p++; for (int i = p + 1; i <= L; i++) curr = curr * 10LL + sir[i] - '0'; int after = (p > L ? 0 : L - p); assert(after <= maxE); int e2 = getExp(curr, 2), e5 = getExp(curr, 5); add(e2 + maxE - after, e5 + maxE - after); } printf("%lld\n", ans); return 0; }
#include <bits/stdc++.h> using namespace std; int N, cnt[100][100]; char sir[100]; const int maxE = 9; long long ans = 0; int getExp(long long &N, int p) { int cnt = 0; while (N % p == 0) N /= p, cnt++; return cnt; } void add(int x, int y) { x = min(x, 2 * maxE); y = min(y, 2 * maxE); // printf ("%d %d\n", x, y); for (int i = 2 * maxE - x; i <= 2 * maxE; i++) for (int j = 2 * maxE - y; j <= 2 * maxE; j++) ans += cnt[i][j]; cnt[x][y]++; } int main() { // freopen ("input", "r", stdin); // freopen ("output", "w", stdout); scanf("%d\n", &N); for (int i = 1; i <= N; i++) { scanf("%s", sir + 1); int L = strlen(sir + 1), p = 1; long long curr = 0; while (p <= L && sir[p] != '.') curr = curr * 10LL + sir[p] - '0', p++; for (int i = p + 1; i <= L; i++) curr = curr * 10LL + sir[i] - '0'; int after = (p > L ? 0 : L - p); assert(after <= maxE); int e2 = getExp(curr, 2), e5 = getExp(curr, 5); add(e2 + maxE - after, e5 + maxE - after); } printf("%lld\n", ans); return 0; }
insert
17
17
17
19
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> #define endl "\n" using namespace std; typedef long long ll; typedef pair<ll, ll> l_l; typedef pair<int, int> i_i; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } const long long INF = 1e9; // const ll mod = 1000000007; ll A[201000]; ll N; ll f(string S) { int idx = -1; for (int i = 0; i < S.size(); i++) { if (S[i] == '.') idx = i; } if (idx == -1) { ll tmp = stoll(S); tmp *= INF; return tmp; } ll num = S.size() - idx - 1; string T = S.substr(0, idx); string Q = S.substr(idx + 1, num); ll tmp = stoll(T); for (int i = 0; i < num; i++) tmp *= 10; tmp += stoll(Q); for (int i = num; i < 9; i++) tmp *= 10; return tmp; } vector<ll> Div; ll num[20][20]; ll five[201000], two[201000]; int main() { cin.tie(0); ios::sync_with_stdio(false); cin >> N; for (int i = 0; i < N; i++) { string S; cin >> S; A[i] = f(S); while (A[i] % 2 == 0) { A[i] /= 2; two[i]++; } while (A[i] % 5 == 0) { A[i] /= 5; five[i]++; } num[two[i]][five[i]]++; // cerr << A[i] << " "; } ll ans = 0; for (int i = 0; i < N; i++) { for (int j = 0; j < 20; j++) { for (int k = 0; k < 20; k++) { if (two[i] + j >= 18 and five[i] + k >= 18) { ans += num[j][k]; } } } if (2 * two[i] >= 18 and 2 * five[i] >= 18) { ans -= 1; } } ans /= 2; cout << ans << endl; // cerr << endl; return 0; }
#include <bits/stdc++.h> #define endl "\n" using namespace std; typedef long long ll; typedef pair<ll, ll> l_l; typedef pair<int, int> i_i; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } const long long INF = 1e9; // const ll mod = 1000000007; ll A[201000]; ll N; ll f(string S) { int idx = -1; for (int i = 0; i < S.size(); i++) { if (S[i] == '.') idx = i; } if (idx == -1) { ll tmp = stoll(S); tmp *= INF; return tmp; } ll num = S.size() - idx - 1; string T = S.substr(0, idx); string Q = S.substr(idx + 1, num); ll tmp = stoll(T); for (int i = 0; i < num; i++) tmp *= 10; tmp += stoll(Q); for (int i = num; i < 9; i++) tmp *= 10; return tmp; } vector<ll> Div; ll num[20][20]; ll five[201000], two[201000]; int main() { cin.tie(0); ios::sync_with_stdio(false); cin >> N; for (int i = 0; i < N; i++) { string S; cin >> S; A[i] = f(S); while (A[i] % 2 == 0) { A[i] /= 2; two[i]++; } while (A[i] % 5 == 0) { A[i] /= 5; five[i]++; } chmin(two[i], 18LL); chmin(five[i], 18LL); num[two[i]][five[i]]++; // cerr << A[i] << " "; } ll ans = 0; for (int i = 0; i < N; i++) { for (int j = 0; j < 20; j++) { for (int k = 0; k < 20; k++) { if (two[i] + j >= 18 and five[i] + k >= 18) { ans += num[j][k]; } } } if (2 * two[i] >= 18 and 2 * five[i] >= 18) { ans -= 1; } } ans /= 2; cout << ans << endl; // cerr << endl; return 0; }
insert
70
70
70
72
0
p02588
C++
Runtime Error
#include <bits/stdc++.h> #define M_PI 3.14159265358979323846 // pi using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<ll> VI; typedef pair<ll, ll> P; typedef tuple<ll, ll, ll> t3; typedef tuple<ll, ll, ll, ll> t4; typedef tuple<ll, ll, ll, ll, ll> t5; #define rep(a, n) for (ll a = 0; a < n; a++) #define repi(a, b, n) for (ll a = b; a < n; a++) using namespace std; static const ll INF = 1e15; int main() { int n; cin >> n; vector<vector<ll>> grid(20, vector<ll>(20, 0)); vector<P> ss(n); rep(i, n) { double item; cin >> item; double t = item * 1e9 + 0.1; ll v = (ll)t; int a = 0; while (v % 2 == 0) { a++; v /= 2; } int b = 0; while (v % 5 == 0) { b++; v /= 5; } a = min(20, a); b = min(20, b); grid[a][b]++; ss[i] = make_pair(a, b); } ll sum = 0; rep(i, n) { auto f = ss[i].first; auto s = ss[i].second; grid[f][s]--; for (auto f2 = max(0LL, 18 - f); f2 < 20; f2++) { for (auto s2 = max(0LL, 18 - s); s2 < 20; s2++) { sum += grid[f2][s2]; } } } cout << sum << endl; return 0; }
#include <bits/stdc++.h> #define M_PI 3.14159265358979323846 // pi using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<ll> VI; typedef pair<ll, ll> P; typedef tuple<ll, ll, ll> t3; typedef tuple<ll, ll, ll, ll> t4; typedef tuple<ll, ll, ll, ll, ll> t5; #define rep(a, n) for (ll a = 0; a < n; a++) #define repi(a, b, n) for (ll a = b; a < n; a++) using namespace std; static const ll INF = 1e15; int main() { int n; cin >> n; vector<vector<ll>> grid(20, vector<ll>(20, 0)); vector<P> ss(n); rep(i, n) { double item; cin >> item; double t = item * 1e9 + 0.1; ll v = (ll)t; int a = 0; while (v % 2 == 0) { a++; v /= 2; } int b = 0; while (v % 5 == 0) { b++; v /= 5; } a = min(19, a); b = min(19, b); grid[a][b]++; ss[i] = make_pair(a, b); } ll sum = 0; rep(i, n) { auto f = ss[i].first; auto s = ss[i].second; grid[f][s]--; for (auto f2 = max(0LL, 18 - f); f2 < 20; f2++) { for (auto s2 = max(0LL, 18 - s); s2 < 20; s2++) { sum += grid[f2][s2]; } } } cout << sum << endl; return 0; }
replace
40
42
40
42
0
p02588
C++
Runtime Error
#include "bits/stdc++.h" #include <random> using namespace std; using ll = long long; using dd = double; using pll = pair<ll, ll>; using tll = tuple<ll, ll, ll>; using vll = vector<ll>; using vdd = vector<dd>; using vpll = vector<pll>; using vtll = vector<tll>; using vvll = vector<vll>; using vvdd = vector<vdd>; using vvpll = vector<vpll>; using vvtll = vector<vtll>; using vvvll = vector<vvll>; using vvvdd = vector<vvdd>; using vvvpll = vector<vvpll>; using vvvtll = vector<vvtll>; using vvvvll = vector<vvvll>; using vvvvdd = vector<vvvdd>; using vvvvpll = vector<vvvpll>; using vvvvtll = vector<vvvtll>; constexpr ll INF = 1LL << 60; constexpr dd EPS = 1e-11; constexpr dd PI = 3.1415926535897932; // cin,cout高速化のおまじない+桁数指定 struct Fast { Fast() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(std::numeric_limits<double>::max_digits10); } } fast; #define REPS(i, S, E) for (ll i = (S); i <= (E); i++) #define rep(i, S, E) for (ll i = (S); i <= (E); i++) #define REP(i, N) REPS(i, 0, (N)-1) #define DEPS(i, S, E) for (ll i = (E); i >= (S); i--) #define dep(i, E, S) for (ll i = (E); i >= (S); i--) #define DEP(i, N) DEPS(i, 0, (N)-1) #define EACH(e, v) for (auto &&e : v) #define each(e, v) for (auto &&e : v) #define ALL(v) (v).begin(), (v).end() #define RALL(v) (v).rbegin(), (v).rend() template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <class T> inline T MaxE(vector<T> &v, ll S, ll E) { T m = v[S]; REPS(i, S, E) chmax(m, v[i]); return m; } // v[S]~v[E]の最大値 template <class T> inline T MinE(vector<T> &v, ll S, ll E) { T m = v[S]; REPS(i, S, E) chmin(m, v[i]); return m; } // v[S]~v[E]の最小値 template <class T> inline T MaxE(vector<T> &v, ll N) { return MaxE(v, 0, N - 1); } // 先頭N個中の最大値 template <class T> inline T MinE(vector<T> &v, ll N) { return MinE(v, 0, N - 1); } template <class T> inline T MaxE(vector<T> &v) { return MaxE(v, (ll)v.size()); } template <class T> inline T MinE(vector<T> &v) { return MinE(v, (ll)v.size()); } template <class T> inline ll MaxI(vector<T> &v, ll S, ll E) { ll m = S; REPS(i, S, E) { if (v[i] > v[m]) m = i; } return m; } template <class T> inline ll MinI(vector<T> &v, ll S, ll E) { ll m = S; REPS(i, S, E) { if (v[i] < v[m]) m = i; } return m; } template <class T> inline ll MaxI(vector<T> &v, ll N) { return MaxI(v, 0, N - 1); } template <class T> inline ll MinI(vector<T> &v, ll N) { return MinI(v, 0, N - 1); } template <class T> inline ll MaxI(vector<T> &v) { return MaxI(v, (ll)v.size()); } template <class T> inline ll MinI(vector<T> &v) { return MinI(v, (ll)v.size()); } template <class T> inline T Sum(vector<T> &v, ll S, ll E) { T s = v[S]; REPS(i, S + 1, E) s += v[i]; return s; } template <class T> inline T Sum(vector<T> &v, ll N) { return Sum(v, 0, N - 1); } template <class T> inline T Sum(vector<T> &v) { return Sum(v, v.size()); } template <class T> inline ll sz(T &v) { return (ll)v.size(); } template <class T> inline T POW(T a, ll n) { T r = 1; for (; n > 0; n >>= 1, a *= a) { if (n & 1) r *= a; } return r; } inline ll POW(int a, ll n) { return POW((ll)a, n); } inline ll CEIL(ll a, ll b) { return (a + b - 1) / b; } ll Gcd(ll a, ll b) { return (b == 0) ? a : Gcd(b, a % b); } ll Lcm(ll a, ll b) { return a * b / Gcd(a, b); } inline ll MSB(ll a) { for (ll o = 63, x = -1;;) { ll m = (o + x) / 2; if (a < (1LL << m)) o = m; else x = m; if (o - x == 1) return x; } } inline ll Upper2N(ll s) { return 1LL << MSB(s) << 1; } // s<2^nなる最小の2^n inline vll Bit2Idx(ll m) { vll v; for (ll i = 0; m; m >>= 1, i++) if (m & 1) v.push_back(i); return move(v); } inline ll BitNum(ll m) { for (ll c = 0;; m >>= 1) { c += m & 1; if (!m) return c; } } inline ll Bit(ll s, ll i) { return (s >> i) & 1; } // sの第ibit i=0-63 [[nodiscard]] inline ll BitOn(ll s, ll i) { return s | (1LL << i); } // sの第ibitON i=0-63 [[nodiscard]] inline ll BitOff(ll s, ll i) { return s & ~(1LL << i); } // sの第ibitOFF i=0-63 [[nodiscard]] inline ll BitCut(ll s, ll i) { return s & (1LL << ++i) - 1; } // sの第0~第ibitを抽出 inline vll str2num(string &s, ll N) { vll v(N); REP(i, N) v[i] = (ll)(s[i] - '0'); return move(v); } inline vll ALP2num(string &s, ll N) { vll v(N); REP(i, N) v[i] = (ll)(s[i] - 'A'); return move(v); } inline vll alp2num(string &s, ll N) { vll v(N); REP(i, N) v[i] = (ll)(s[i] - 'a'); return move(v); } template <class T> inline ll FloorIdx(vector<T> &v, T x) { return upper_bound(ALL(v), x) - v.begin() - 1; } template <class T> inline ll CeilIdx(vector<T> &v, T x) { return lower_bound(ALL(v), x) - v.begin(); } template <class T> inline ll UnderNumOf(vector<T> &v, T x) { // sort済vのx以下の個数を得る return upper_bound(v.begin(), v.end(), x) - v.begin(); } template <class T, class Pr> inline ll UnderNumOf(vector<T> &v, T x, Pr pred) { // x以下個数 return upper_bound(v.begin(), v.end(), x, pred) - v.begin(); } template <class T> inline ll OverNumOf(vector<T> &v, T x) { // sort済vのx以上の個数を得る return (ll)v.size() - (lower_bound(v.begin(), v.end(), x) - v.begin()); } template <class T, class Pr> inline ll OverNumOf(vector<T> &v, T x, Pr pred) { // x以上の個数 return (ll)v.size() - (lower_bound(v.begin(), v.end(), x, pred) - v.begin()); } template <class T = ll> inline vector<T> cinv(ll N) { vector<T> v(N); REP(i, N) cin >> v[i]; return move(v); } template <class T, class S> inline vector<pair<T, S>> cinv2(ll N) { vector<pair<T, S>> v(N); REP(i, N) { cin >> v[i].first >> v[i].second; } return move(v); } template <class T> inline vector<T> cinv2(ll N) { vector<T> v(N); REP(i, N) { ll a, b; cin >> a >> b; v[i] = {a, b}; } return move(v); } template <class T, class S, class R> inline vector<tuple<T, S, R>> cinv3(ll N) { vector<tuple<T, S, R>> v(N); REP(i, N) { cin >> get<0>(v[i]) >> get<1>(v[i]) >> get<2>(v[i]); } return move(v); } template <class T> inline vector<T> cinv3(ll N) { vector<T> v(N); REP(i, N) { ll a, b, c; cin >> a >> b >> c; v[i] = {a, b, c}; } return move(v); } template <class T, class S, class R, class Q> inline vector<tuple<T, S, R, Q>> cinv4(ll N) { vector<tuple<T, S, R, Q>> v(N); REP(i, N) { cin >> get<0>(v[i]) >> get<1>(v[i]) >> get<2>(v[i]) >> get<3>(v[i]); } return move(v); } template <class T> inline vector<T> cinv4(ll N) { vector<T> v(N); REP(i, N) { ll a, b, c, d; cin >> a >> b >> c >> d; v[i] = {a, b, c, d}; } return move(v); } template <class T = ll> inline vector<vector<T>> cinvv(ll N, ll M) { vector<vector<T>> vv(N); REP(i, N) vv[i] = cinv(M); return move(vv); } template <class T> inline void coutv(vector<T> &v, string d = " ") { ll N = (ll)v.size(); REP(i, N) { cout << v[i] << ((i == N - 1) ? "" : d); } cout << '\n'; } template <class T> inline void coutv(deque<T> &v, string d = " ") { ll N = (ll)v.size(); REP(i, N) { cout << v[i] << ((i == N - 1) ? "" : d); } cout << '\n'; } template <class T> void bye(T a) { cout << a << '\n'; exit(0); } #if defined(_DEBUG) ll dumpW = 5; template <class T> void Dump(vector<T> &v) { REP(i, (ll)v.size()) { cerr << ((i == 0) ? "[" : " ") << setw(dumpW) << v[i]; } cerr << "]"; } void Dump(vll &v) { REP(i, (ll)v.size()) { cerr << ((i == 0) ? "[" : " ") << setw(dumpW); if (v[i] == INF) cerr << "INF"; else if (v[i] == -INF) cerr << "-INF"; else cerr << v[i]; } cerr << "]"; } template <class T> void Dump(vector<vector<T>> &v) { ll N = (ll)v.size(); string d[2][2] = {{" ", "["}, {"\n", "]\n"}}; REP(i, N) { cerr << d[0][i == 0]; Dump(v[i]); cerr << d[1][i == N - 1]; } } template <class T> void Dump(vector<vector<vector<T>>> &v) { ll N = (ll)v.size(); string d[2] = {" <", "[ <"}; REP(i, N) { cerr << d[i == 0] << i << ">\n"; Dump(v[i]); } cerr << "]\n"; } template <class T> void Dump(vector<vector<vector<vector<T>>>> &v) { ll N = (ll)v.size(); string d[2] = {" ---<", "[ ---<"}; REP(i, N) { cerr << d[i == 0] << i << ">---\n"; Dump(v[i]); } cerr << "]\n"; } template <class T> void Dump(vector<vector<vector<vector<vector<T>>>>> &v) { ll N = (ll)v.size(); string d[2] = {" ======<", "[ ======<"}; REP(i, N) { cerr << d[i == 0] << i << ">======\n"; Dump(v[i]); } cerr << "]\n"; } template <class T, class S> void Dump(map<T, S> &m) { for (auto e : m) cout << e.first << " : " << e.second << '\n'; } #else template <class T> void Dump(vector<T> &v) {} template <class T> void Dump(vector<vector<T>> &v) {} template <class T> void Dump(vector<vector<vector<T>>> &v) {} template <class T> void Dump(vector<vector<vector<vector<T>>>> &v) {} template <class T> void Dump(vector<vector<vector<vector<vector<T>>>>> &v) {} #endif template <ll MOD> struct mll_ { ll val; mll_(ll v = 0) : val(v % MOD) { if (val < 0) val += MOD; } mll_ operator-() const { return -val; } mll_ operator+(const mll_ &b) const { return val + b.val; } mll_ operator-(const mll_ &b) const { return val - b.val; } mll_ operator*(const mll_ &b) const { return val * b.val; } mll_ operator/(const mll_ &b) const { return mll_(*this) /= b; } mll_ operator+(ll b) const { return *this + mll_(b); } mll_ operator-(ll b) const { return *this - mll_(b); } mll_ operator*(ll b) const { return *this * mll_(b); } friend mll_ operator+(ll a, const mll_ &b) { return b + a; } friend mll_ operator-(ll a, const mll_ &b) { return -b + a; } friend mll_ operator*(ll a, const mll_ &b) { return b * a; } friend mll_ operator/(ll a, const mll_ &b) { return mll_(a) / b; } mll_ &operator+=(const mll_ &b) { val = (val + b.val) % MOD; return *this; } mll_ &operator-=(const mll_ &b) { val = (val + MOD - b.val) % MOD; return *this; } mll_ &operator*=(const mll_ &b) { val = (val * b.val) % MOD; return *this; } mll_ &operator/=(const mll_ &b) { ll c = b.val, d = MOD, u = 1, v = 0; while (d) { ll t = c / d; c -= t * d; swap(c, d); u -= t * v; swap(u, v); } val = val * u % MOD; if (val < 0) val += MOD; return *this; } mll_ &operator+=(ll b) { return *this += mll_(b); } mll_ &operator-=(ll b) { return *this -= mll_(b); } mll_ &operator*=(ll b) { return *this *= mll_(b); } mll_ &operator/=(ll b) { return *this /= mll_(b); } bool operator==(const mll_ &b) { return val == b.val; } bool operator!=(const mll_ &b) { return val != b.val; } bool operator==(ll b) { return *this == mll_(b); } bool operator!=(ll b) { return *this != mll_(b); } friend bool operator==(ll a, const mll_ &b) { return mll_(a) == b.val; } friend bool operator!=(ll a, const mll_ &b) { return mll_(a) != b.val; } friend ostream &operator<<(ostream &os, const mll_ &a) { return os << a.val; } friend istream &operator>>(istream &is, mll_ &a) { return is >> a.val; } static mll_ Combination(ll a, ll b) { chmin(b, a - b); if (b < 0) return mll_(0); mll_ c = 1; REP(i, b) c *= a - i; REP(i, b) c /= i + 1; return c; } }; using mll = mll_<1000000007LL>; // 1000000007LL;// 998244353LL; using vmll = std::vector<mll>; using vvmll = std::vector<vmll>; using vvvmll = std::vector<vvmll>; using vvvvmll = std::vector<vvvmll>; using vvvvvmll = std::vector<vvvvmll>; void solve() { ll n; cin >> n; vector<dd> a_ = cinv<dd>(n); each(e, a_) e *= 1000000000.0; vll aa(n); rep(i, 0, n - 1) { aa[i] = (ll)(a_[i] + .1); } const ll M = 18; vvll cnt(M + 1, vll(M + 1)); auto Cnt = [&](ll i, ll j) -> ll & { if (i > M) i = M; if (j > M) j = M; return cnt[M - i][M - j]; }; vpll buf; rep(i, 0, n - 1) { ll v = aa[i]; ll cn2 = 0; while (true) { if (v % 2 == 0) { v /= 2; cn2++; } else break; } ll cn5 = 0; while (true) { if (v % 5 == 0) { v /= 5; cn5++; } else break; } Cnt(cn2, cn5)++; buf.emplace_back(cn2, cn5); } rep(i, 0, M) { rep(j, 1, M) { cnt[i][j] += cnt[i][j - 1]; } } rep(j, 0, M) rep(i, 1, M) { cnt[i][j] += cnt[i - 1][j]; } ll ans = 0; each(e, buf) { ll cn2; ll cn5; tie(cn2, cn5) = e; ll r2 = M - cn2; ll r5 = M - cn5; ll val = Cnt(r2, r5); ans += val; if (cn2 >= M / 2 and cn5 >= M / 2) ans--; } ans /= 2; cout << ans << '\n'; } int main() { #if 1 solve(); #else ll t; cin >> t; rep(i, 0, t - 1) { solve(); } #endif return 0; }
#include "bits/stdc++.h" #include <random> using namespace std; using ll = long long; using dd = double; using pll = pair<ll, ll>; using tll = tuple<ll, ll, ll>; using vll = vector<ll>; using vdd = vector<dd>; using vpll = vector<pll>; using vtll = vector<tll>; using vvll = vector<vll>; using vvdd = vector<vdd>; using vvpll = vector<vpll>; using vvtll = vector<vtll>; using vvvll = vector<vvll>; using vvvdd = vector<vvdd>; using vvvpll = vector<vvpll>; using vvvtll = vector<vvtll>; using vvvvll = vector<vvvll>; using vvvvdd = vector<vvvdd>; using vvvvpll = vector<vvvpll>; using vvvvtll = vector<vvvtll>; constexpr ll INF = 1LL << 60; constexpr dd EPS = 1e-11; constexpr dd PI = 3.1415926535897932; // cin,cout高速化のおまじない+桁数指定 struct Fast { Fast() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(std::numeric_limits<double>::max_digits10); } } fast; #define REPS(i, S, E) for (ll i = (S); i <= (E); i++) #define rep(i, S, E) for (ll i = (S); i <= (E); i++) #define REP(i, N) REPS(i, 0, (N)-1) #define DEPS(i, S, E) for (ll i = (E); i >= (S); i--) #define dep(i, E, S) for (ll i = (E); i >= (S); i--) #define DEP(i, N) DEPS(i, 0, (N)-1) #define EACH(e, v) for (auto &&e : v) #define each(e, v) for (auto &&e : v) #define ALL(v) (v).begin(), (v).end() #define RALL(v) (v).rbegin(), (v).rend() template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <class T> inline T MaxE(vector<T> &v, ll S, ll E) { T m = v[S]; REPS(i, S, E) chmax(m, v[i]); return m; } // v[S]~v[E]の最大値 template <class T> inline T MinE(vector<T> &v, ll S, ll E) { T m = v[S]; REPS(i, S, E) chmin(m, v[i]); return m; } // v[S]~v[E]の最小値 template <class T> inline T MaxE(vector<T> &v, ll N) { return MaxE(v, 0, N - 1); } // 先頭N個中の最大値 template <class T> inline T MinE(vector<T> &v, ll N) { return MinE(v, 0, N - 1); } template <class T> inline T MaxE(vector<T> &v) { return MaxE(v, (ll)v.size()); } template <class T> inline T MinE(vector<T> &v) { return MinE(v, (ll)v.size()); } template <class T> inline ll MaxI(vector<T> &v, ll S, ll E) { ll m = S; REPS(i, S, E) { if (v[i] > v[m]) m = i; } return m; } template <class T> inline ll MinI(vector<T> &v, ll S, ll E) { ll m = S; REPS(i, S, E) { if (v[i] < v[m]) m = i; } return m; } template <class T> inline ll MaxI(vector<T> &v, ll N) { return MaxI(v, 0, N - 1); } template <class T> inline ll MinI(vector<T> &v, ll N) { return MinI(v, 0, N - 1); } template <class T> inline ll MaxI(vector<T> &v) { return MaxI(v, (ll)v.size()); } template <class T> inline ll MinI(vector<T> &v) { return MinI(v, (ll)v.size()); } template <class T> inline T Sum(vector<T> &v, ll S, ll E) { T s = v[S]; REPS(i, S + 1, E) s += v[i]; return s; } template <class T> inline T Sum(vector<T> &v, ll N) { return Sum(v, 0, N - 1); } template <class T> inline T Sum(vector<T> &v) { return Sum(v, v.size()); } template <class T> inline ll sz(T &v) { return (ll)v.size(); } template <class T> inline T POW(T a, ll n) { T r = 1; for (; n > 0; n >>= 1, a *= a) { if (n & 1) r *= a; } return r; } inline ll POW(int a, ll n) { return POW((ll)a, n); } inline ll CEIL(ll a, ll b) { return (a + b - 1) / b; } ll Gcd(ll a, ll b) { return (b == 0) ? a : Gcd(b, a % b); } ll Lcm(ll a, ll b) { return a * b / Gcd(a, b); } inline ll MSB(ll a) { for (ll o = 63, x = -1;;) { ll m = (o + x) / 2; if (a < (1LL << m)) o = m; else x = m; if (o - x == 1) return x; } } inline ll Upper2N(ll s) { return 1LL << MSB(s) << 1; } // s<2^nなる最小の2^n inline vll Bit2Idx(ll m) { vll v; for (ll i = 0; m; m >>= 1, i++) if (m & 1) v.push_back(i); return move(v); } inline ll BitNum(ll m) { for (ll c = 0;; m >>= 1) { c += m & 1; if (!m) return c; } } inline ll Bit(ll s, ll i) { return (s >> i) & 1; } // sの第ibit i=0-63 [[nodiscard]] inline ll BitOn(ll s, ll i) { return s | (1LL << i); } // sの第ibitON i=0-63 [[nodiscard]] inline ll BitOff(ll s, ll i) { return s & ~(1LL << i); } // sの第ibitOFF i=0-63 [[nodiscard]] inline ll BitCut(ll s, ll i) { return s & (1LL << ++i) - 1; } // sの第0~第ibitを抽出 inline vll str2num(string &s, ll N) { vll v(N); REP(i, N) v[i] = (ll)(s[i] - '0'); return move(v); } inline vll ALP2num(string &s, ll N) { vll v(N); REP(i, N) v[i] = (ll)(s[i] - 'A'); return move(v); } inline vll alp2num(string &s, ll N) { vll v(N); REP(i, N) v[i] = (ll)(s[i] - 'a'); return move(v); } template <class T> inline ll FloorIdx(vector<T> &v, T x) { return upper_bound(ALL(v), x) - v.begin() - 1; } template <class T> inline ll CeilIdx(vector<T> &v, T x) { return lower_bound(ALL(v), x) - v.begin(); } template <class T> inline ll UnderNumOf(vector<T> &v, T x) { // sort済vのx以下の個数を得る return upper_bound(v.begin(), v.end(), x) - v.begin(); } template <class T, class Pr> inline ll UnderNumOf(vector<T> &v, T x, Pr pred) { // x以下個数 return upper_bound(v.begin(), v.end(), x, pred) - v.begin(); } template <class T> inline ll OverNumOf(vector<T> &v, T x) { // sort済vのx以上の個数を得る return (ll)v.size() - (lower_bound(v.begin(), v.end(), x) - v.begin()); } template <class T, class Pr> inline ll OverNumOf(vector<T> &v, T x, Pr pred) { // x以上の個数 return (ll)v.size() - (lower_bound(v.begin(), v.end(), x, pred) - v.begin()); } template <class T = ll> inline vector<T> cinv(ll N) { vector<T> v(N); REP(i, N) cin >> v[i]; return move(v); } template <class T, class S> inline vector<pair<T, S>> cinv2(ll N) { vector<pair<T, S>> v(N); REP(i, N) { cin >> v[i].first >> v[i].second; } return move(v); } template <class T> inline vector<T> cinv2(ll N) { vector<T> v(N); REP(i, N) { ll a, b; cin >> a >> b; v[i] = {a, b}; } return move(v); } template <class T, class S, class R> inline vector<tuple<T, S, R>> cinv3(ll N) { vector<tuple<T, S, R>> v(N); REP(i, N) { cin >> get<0>(v[i]) >> get<1>(v[i]) >> get<2>(v[i]); } return move(v); } template <class T> inline vector<T> cinv3(ll N) { vector<T> v(N); REP(i, N) { ll a, b, c; cin >> a >> b >> c; v[i] = {a, b, c}; } return move(v); } template <class T, class S, class R, class Q> inline vector<tuple<T, S, R, Q>> cinv4(ll N) { vector<tuple<T, S, R, Q>> v(N); REP(i, N) { cin >> get<0>(v[i]) >> get<1>(v[i]) >> get<2>(v[i]) >> get<3>(v[i]); } return move(v); } template <class T> inline vector<T> cinv4(ll N) { vector<T> v(N); REP(i, N) { ll a, b, c, d; cin >> a >> b >> c >> d; v[i] = {a, b, c, d}; } return move(v); } template <class T = ll> inline vector<vector<T>> cinvv(ll N, ll M) { vector<vector<T>> vv(N); REP(i, N) vv[i] = cinv(M); return move(vv); } template <class T> inline void coutv(vector<T> &v, string d = " ") { ll N = (ll)v.size(); REP(i, N) { cout << v[i] << ((i == N - 1) ? "" : d); } cout << '\n'; } template <class T> inline void coutv(deque<T> &v, string d = " ") { ll N = (ll)v.size(); REP(i, N) { cout << v[i] << ((i == N - 1) ? "" : d); } cout << '\n'; } template <class T> void bye(T a) { cout << a << '\n'; exit(0); } #if defined(_DEBUG) ll dumpW = 5; template <class T> void Dump(vector<T> &v) { REP(i, (ll)v.size()) { cerr << ((i == 0) ? "[" : " ") << setw(dumpW) << v[i]; } cerr << "]"; } void Dump(vll &v) { REP(i, (ll)v.size()) { cerr << ((i == 0) ? "[" : " ") << setw(dumpW); if (v[i] == INF) cerr << "INF"; else if (v[i] == -INF) cerr << "-INF"; else cerr << v[i]; } cerr << "]"; } template <class T> void Dump(vector<vector<T>> &v) { ll N = (ll)v.size(); string d[2][2] = {{" ", "["}, {"\n", "]\n"}}; REP(i, N) { cerr << d[0][i == 0]; Dump(v[i]); cerr << d[1][i == N - 1]; } } template <class T> void Dump(vector<vector<vector<T>>> &v) { ll N = (ll)v.size(); string d[2] = {" <", "[ <"}; REP(i, N) { cerr << d[i == 0] << i << ">\n"; Dump(v[i]); } cerr << "]\n"; } template <class T> void Dump(vector<vector<vector<vector<T>>>> &v) { ll N = (ll)v.size(); string d[2] = {" ---<", "[ ---<"}; REP(i, N) { cerr << d[i == 0] << i << ">---\n"; Dump(v[i]); } cerr << "]\n"; } template <class T> void Dump(vector<vector<vector<vector<vector<T>>>>> &v) { ll N = (ll)v.size(); string d[2] = {" ======<", "[ ======<"}; REP(i, N) { cerr << d[i == 0] << i << ">======\n"; Dump(v[i]); } cerr << "]\n"; } template <class T, class S> void Dump(map<T, S> &m) { for (auto e : m) cout << e.first << " : " << e.second << '\n'; } #else template <class T> void Dump(vector<T> &v) {} template <class T> void Dump(vector<vector<T>> &v) {} template <class T> void Dump(vector<vector<vector<T>>> &v) {} template <class T> void Dump(vector<vector<vector<vector<T>>>> &v) {} template <class T> void Dump(vector<vector<vector<vector<vector<T>>>>> &v) {} #endif template <ll MOD> struct mll_ { ll val; mll_(ll v = 0) : val(v % MOD) { if (val < 0) val += MOD; } mll_ operator-() const { return -val; } mll_ operator+(const mll_ &b) const { return val + b.val; } mll_ operator-(const mll_ &b) const { return val - b.val; } mll_ operator*(const mll_ &b) const { return val * b.val; } mll_ operator/(const mll_ &b) const { return mll_(*this) /= b; } mll_ operator+(ll b) const { return *this + mll_(b); } mll_ operator-(ll b) const { return *this - mll_(b); } mll_ operator*(ll b) const { return *this * mll_(b); } friend mll_ operator+(ll a, const mll_ &b) { return b + a; } friend mll_ operator-(ll a, const mll_ &b) { return -b + a; } friend mll_ operator*(ll a, const mll_ &b) { return b * a; } friend mll_ operator/(ll a, const mll_ &b) { return mll_(a) / b; } mll_ &operator+=(const mll_ &b) { val = (val + b.val) % MOD; return *this; } mll_ &operator-=(const mll_ &b) { val = (val + MOD - b.val) % MOD; return *this; } mll_ &operator*=(const mll_ &b) { val = (val * b.val) % MOD; return *this; } mll_ &operator/=(const mll_ &b) { ll c = b.val, d = MOD, u = 1, v = 0; while (d) { ll t = c / d; c -= t * d; swap(c, d); u -= t * v; swap(u, v); } val = val * u % MOD; if (val < 0) val += MOD; return *this; } mll_ &operator+=(ll b) { return *this += mll_(b); } mll_ &operator-=(ll b) { return *this -= mll_(b); } mll_ &operator*=(ll b) { return *this *= mll_(b); } mll_ &operator/=(ll b) { return *this /= mll_(b); } bool operator==(const mll_ &b) { return val == b.val; } bool operator!=(const mll_ &b) { return val != b.val; } bool operator==(ll b) { return *this == mll_(b); } bool operator!=(ll b) { return *this != mll_(b); } friend bool operator==(ll a, const mll_ &b) { return mll_(a) == b.val; } friend bool operator!=(ll a, const mll_ &b) { return mll_(a) != b.val; } friend ostream &operator<<(ostream &os, const mll_ &a) { return os << a.val; } friend istream &operator>>(istream &is, mll_ &a) { return is >> a.val; } static mll_ Combination(ll a, ll b) { chmin(b, a - b); if (b < 0) return mll_(0); mll_ c = 1; REP(i, b) c *= a - i; REP(i, b) c /= i + 1; return c; } }; using mll = mll_<1000000007LL>; // 1000000007LL;// 998244353LL; using vmll = std::vector<mll>; using vvmll = std::vector<vmll>; using vvvmll = std::vector<vvmll>; using vvvvmll = std::vector<vvvmll>; using vvvvvmll = std::vector<vvvvmll>; void solve() { ll n; cin >> n; vector<dd> a_ = cinv<dd>(n); each(e, a_) e *= 1000000000.0; vll aa(n); rep(i, 0, n - 1) { aa[i] = (ll)(a_[i] + .1); } const ll M = 18; vvll cnt(M + 1, vll(M + 1)); auto Cnt = [&](ll i, ll j) -> ll & { if (i > M) i = M; if (j > M) j = M; return cnt[M - i][M - j]; }; vpll buf; rep(i, 0, n - 1) { ll v = aa[i]; ll cn2 = 0; while (true) { if (v % 2 == 0) { v /= 2; cn2++; } else break; } ll cn5 = 0; while (true) { if (v % 5 == 0) { v /= 5; cn5++; } else break; } Cnt(cn2, cn5)++; buf.emplace_back(cn2, cn5); } rep(i, 0, M) { rep(j, 1, M) { cnt[i][j] += cnt[i][j - 1]; } } rep(j, 0, M) rep(i, 1, M) { cnt[i][j] += cnt[i - 1][j]; } ll ans = 0; each(e, buf) { ll cn2; ll cn5; tie(cn2, cn5) = e; ll r2 = M - cn2; ll r5 = M - cn5; if (r2 < 0) r2 = 0; if (r5 < 0) r5 = 0; ll val = Cnt(r2, r5); ans += val; if (cn2 >= M / 2 and cn5 >= M / 2) ans--; } ans /= 2; cout << ans << '\n'; } int main() { #if 1 solve(); #else ll t; cin >> t; rep(i, 0, t - 1) { solve(); } #endif return 0; }
insert
467
467
467
471
0
p02588
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define int long long #define MAX2 50 #define MAX5 30 int g[10][MAX2][MAX5]; char s[20]; int32_t main() { memset(g, 0, sizeof g); int pot10[10]; pot10[0] = 1; for (int i = 1; i <= 9; ++i) pot10[i] = pot10[i - 1] * 10; int n; scanf("%lld", &n); int ans = 0; for (int i = 0; i < n; ++i) { scanf("%s", s); string a, b; bool ponto = false; for (int j = 0; s[j]; ++j) { if (s[j] == '.') ponto = true; else { if (!ponto) a.push_back(s[j]); else b.push_back(s[j]); } } string c = a + b; int x = stoll(c); int qntdFats2 = 0; int qntdFats5 = 0; while (x) { if (x % 2 == 0) { qntdFats2++; x /= 2; } else if (x % 5 == 0) { qntdFats5++; x /= 5; } else { break; } } int numCasas = b.size(); int qntdZeros = min(qntdFats2, qntdFats5); if (numCasas > 0 && qntdZeros > 0) { qntdFats2 -= min(numCasas, qntdZeros); qntdFats5 -= min(numCasas, qntdZeros); numCasas -= min(numCasas, qntdZeros); } // cerr << "String fats2 fats5 casas\n"; // cerr << s << " " << qntdFats2 << " " << qntdFats5 << " " << numCasas << // endl; // query // se numCasas > 0, ou qntdFats2 > 0 ou qntdFats5 > 0 // quero for (int i = 0; i < MAX2; ++i) { for (int j = 0; j < MAX5; ++j) { // i + qntdFats2 eh a qntd de fats2 no prod // j + qntdFats5 eh a qntd de fats5 no prod for (int k = 0; k < 10; ++k) { if (g[k][i][j] == 0) continue; int prodFats2 = i + qntdFats2; int prodFats5 = j + qntdFats5; int casas = numCasas + k; // cerr << casas << " " << prodFats2 << " " << prodFats5 << endl; // cerr << g[k][i][j] << endl; if (min(prodFats2, prodFats5) >= casas) ans += g[k][i][j]; } } } // update for (int i = qntdFats2; i <= qntdFats2; ++i) { for (int j = qntdFats5; j <= qntdFats5; ++j) { g[numCasas][i][j]++; } } } printf("%lld\n", ans); }
#include <bits/stdc++.h> using namespace std; #define int long long #define MAX2 47 #define MAX5 23 int g[10][MAX2][MAX5]; char s[20]; int32_t main() { memset(g, 0, sizeof g); int pot10[10]; pot10[0] = 1; for (int i = 1; i <= 9; ++i) pot10[i] = pot10[i - 1] * 10; int n; scanf("%lld", &n); int ans = 0; for (int i = 0; i < n; ++i) { scanf("%s", s); string a, b; bool ponto = false; for (int j = 0; s[j]; ++j) { if (s[j] == '.') ponto = true; else { if (!ponto) a.push_back(s[j]); else b.push_back(s[j]); } } string c = a + b; int x = stoll(c); int qntdFats2 = 0; int qntdFats5 = 0; while (x) { if (x % 2 == 0) { qntdFats2++; x /= 2; } else if (x % 5 == 0) { qntdFats5++; x /= 5; } else { break; } } int numCasas = b.size(); int qntdZeros = min(qntdFats2, qntdFats5); if (numCasas > 0 && qntdZeros > 0) { qntdFats2 -= min(numCasas, qntdZeros); qntdFats5 -= min(numCasas, qntdZeros); numCasas -= min(numCasas, qntdZeros); } // cerr << "String fats2 fats5 casas\n"; // cerr << s << " " << qntdFats2 << " " << qntdFats5 << " " << numCasas << // endl; // query // se numCasas > 0, ou qntdFats2 > 0 ou qntdFats5 > 0 // quero for (int i = 0; i < MAX2; ++i) { for (int j = 0; j < MAX5; ++j) { // i + qntdFats2 eh a qntd de fats2 no prod // j + qntdFats5 eh a qntd de fats5 no prod for (int k = 0; k < 10; ++k) { if (g[k][i][j] == 0) continue; int prodFats2 = i + qntdFats2; int prodFats5 = j + qntdFats5; int casas = numCasas + k; // cerr << casas << " " << prodFats2 << " " << prodFats5 << endl; // cerr << g[k][i][j] << endl; if (min(prodFats2, prodFats5) >= casas) ans += g[k][i][j]; } } } // update for (int i = qntdFats2; i <= qntdFats2; ++i) { for (int j = qntdFats5; j <= qntdFats5; ++j) { g[numCasas][i][j]++; } } } printf("%lld\n", ans); }
replace
4
6
4
6
TLE
p02588
C++
Time Limit Exceeded
#include <bits/stdc++.h> #include <functional> #include <iostream> #define ll long long int #define mk make_pair #define pb push_back #define INF (ll)1e18 #define pii pair<ll, ll> #define mod 1000000007 // 998244353 #define f(i, a, b) for (ll i = a; i < b; i++) #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define fb(i, a, b) for (ll i = a; i > b; i--) #define ff first #define ss second #define PI 3.141592653589793238 #define pq priority_queue<ll> #define pqr priority_queue<ll, vector<ll>, greater<ll>()> using namespace std; using namespace __gnu_pbds; typedef tree<pair<ll, ll>, null_type, less<pair<ll, ll>>, rb_tree_tag, tree_order_statistics_node_update> ost; ll pow_mod(ll a, ll b) { ll res = 1; while (b != 0) { if (b & 1) { res = (res * a) % mod; } a = (a * a) % mod; b /= 2; } return res; } void solve() { ll n; cin >> n; ll a[n]; ll res = 0; map<pii, ll> mp; for (ll i = 0; i < n; i++) { string s; cin >> s; ll cnt = 0; ll sm = 0; ll flag = 0; for (ll j = 0; j < s.size(); j++) { if (s[j] == '.') { flag = 1; continue; } if (flag) cnt++; ll x = (ll)(s[j] - '0'); sm *= 10; sm += x; } ll p, q; p = sm; q = 1; for (ll kk = 0; kk < cnt; kk++) q *= 10; ll p_2 = 0; ll p_5 = 0; ll q_2 = 0; ll q_5 = 0; while (p % 2 == 0) { p_2++; p /= 2; } while (p % 5 == 0) { p_5++; p /= 5; } while (q % 2 == 0) { q_2++; q /= 2; } while (q % 5 == 0) { q_5++; q /= 5; } ll del2 = q_2 - p_2; ll del5 = q_5 - p_5; ll ans = 0; for (ll j = del2; j <= 30; j++) { for (ll h = del5; h <= 30; h++) { ans += mp[{j, h}]; } } res += ans; mp[{p_2 - q_2, p_5 - q_5}]++; } cout << res << endl; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); // Start from Here. ll t; t = 1; // cin>>t; while (t--) solve(); // Good Bye! return 0; }
#include <bits/stdc++.h> #include <functional> #include <iostream> #define ll long long int #define mk make_pair #define pb push_back #define INF (ll)1e18 #define pii pair<ll, ll> #define mod 1000000007 // 998244353 #define f(i, a, b) for (ll i = a; i < b; i++) #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define fb(i, a, b) for (ll i = a; i > b; i--) #define ff first #define ss second #define PI 3.141592653589793238 #define pq priority_queue<ll> #define pqr priority_queue<ll, vector<ll>, greater<ll>()> using namespace std; using namespace __gnu_pbds; typedef tree<pair<ll, ll>, null_type, less<pair<ll, ll>>, rb_tree_tag, tree_order_statistics_node_update> ost; ll pow_mod(ll a, ll b) { ll res = 1; while (b != 0) { if (b & 1) { res = (res * a) % mod; } a = (a * a) % mod; b /= 2; } return res; } void solve() { ll n; cin >> n; ll a[n]; ll res = 0; map<pii, ll> mp; for (ll i = 0; i < n; i++) { string s; cin >> s; ll cnt = 0; ll sm = 0; ll flag = 0; for (ll j = 0; j < s.size(); j++) { if (s[j] == '.') { flag = 1; continue; } if (flag) cnt++; ll x = (ll)(s[j] - '0'); sm *= 10; sm += x; } ll p, q; p = sm; q = 1; for (ll kk = 0; kk < cnt; kk++) q *= 10; ll p_2 = 0; ll p_5 = 0; ll q_2 = 0; ll q_5 = 0; while (p % 2 == 0) { p_2++; p /= 2; } while (p % 5 == 0) { p_5++; p /= 5; } while (q % 2 == 0) { q_2++; q /= 2; } while (q % 5 == 0) { q_5++; q /= 5; } ll del2 = q_2 - p_2; ll del5 = q_5 - p_5; ll ans = 0; for (ll j = del2; j <= 30; j++) { for (ll h = del5; h <= 9; h++) { ans += mp[{j, h}]; } } res += ans; mp[{p_2 - q_2, p_5 - q_5}]++; } cout << res << endl; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); // Start from Here. ll t; t = 1; // cin>>t; while (t--) solve(); // Good Bye! return 0; }
replace
103
104
103
104
TLE
p02588
C++
Runtime Error
#include <bits/stdc++.h> // #include <boost/multiprecision/cpp_int.hpp> // namespace mp = boost::multiprecision; using namespace std; const double PI = 3.14159265358979323846; typedef long long ll; const double EPS = 1e-9; #define rep(i, n) for (int i = 0; i < (n); ++i) // #define rep(i, n) for (ll i = 0; i < (n); ++i) typedef pair<ll, ll> P; const ll INF = 10e17; #define cmin(x, y) x = min(x, y) #define cmax(x, y) x = max(x, y) #define ret() return 0; double equal(double a, double b) { return fabs(a - b) < DBL_EPSILON; } std::istream &operator>>(std::istream &in, set<int> &o) { int a; in >> a; o.insert(a); return in; } std::istream &operator>>(std::istream &in, queue<int> &o) { ll a; in >> a; o.push(a); return in; } bool contain(set<int> &s, int a) { return s.find(a) != s.end(); } // ofstream outfile("log.txt"); // outfile << setw(6) << setfill('0') << prefecture << setw(6) << setfill('0') // << rank << endl; // std::cout << std::bitset<8>(9); // const ll mod = 1e10; typedef priority_queue<ll, vector<ll>, greater<ll>> PQ_ASK; bool nine(string &s) { int i = distance(find(s.begin(), s.end(), '.'), s.end()); return i == 10; } vector<ll> up(vector<string> &v) { vector<ll> res; for (string s : v) { if (find(s.begin(), s.end(), '.') == s.end()) { s += ".0"; } while (!nine(s)) { s += "0"; } ll a = 0; for (char c : s) { if (c == '.') continue; ll i = c - '0'; a *= 10; a += i; } res.push_back(a); } return res; } vector<ll> sp(vector<ll> v, ll s) { vector<ll> res; for (ll l : v) { int ans = 0; while (l % s == 0) { ans++; l /= s; } res.push_back(ans); } return res; } // 2と5の両方が足して18になる組み合わせ // class MatrixSum { vector<vector<ll>> sum; public: MatrixSum(ll x, ll y) { sum = vector<vector<ll>>(x, vector<ll>(y)); } void add(ll x, ll y) { sum[x][y]++; } ll get(ll x, ll y) { if (x == -1 || y == -1) { return 0; } if (x == sum.size() || y == sum[x].size()) { return 0; } return sum[x][y]; } void setUp() { for (ll x = 0; x < sum.size(); x++) { for (ll y = 0; y < sum[x].size(); y++) { sum[x][y] += get(x - 1, y) + get(x, y - 1) - get(x - 1, y - 1); } } } ll getSum(ll xs, ll ys, ll xe, ll ye) { return get(xe, ye) - get(xs - 1, ye) - get(xe, ys - 1) + get(xs - 1, ys - 1); } }; int main() { int n; cin >> n; vector<string> v(n); rep(i, n) cin >> v[i]; vector<ll> v2 = up(v); vector<ll> tows = sp(v2, 2); vector<ll> fives = sp(v2, 5); MatrixSum ms(200, 200); rep(i, n) { ms.add(tows[i], fives[i]); } ms.setUp(); ll ans = 0; rep(i, n) { int now = ms.getSum(18 - tows[i], 18 - fives[i], 150, 150); ans += now; } // rep(i, n) { // rep(j, n) { // if (tows[i] + tows[j] >= 18 && fives[i] + fives[j] >= 18) { // ans++; // } // } // } rep(i, n) { if (tows[i] + tows[i] >= 18 && fives[i] + fives[i] >= 18) { ans--; } } ans /= 2; cout << ans << endl; }
#include <bits/stdc++.h> // #include <boost/multiprecision/cpp_int.hpp> // namespace mp = boost::multiprecision; using namespace std; const double PI = 3.14159265358979323846; typedef long long ll; const double EPS = 1e-9; #define rep(i, n) for (int i = 0; i < (n); ++i) // #define rep(i, n) for (ll i = 0; i < (n); ++i) typedef pair<ll, ll> P; const ll INF = 10e17; #define cmin(x, y) x = min(x, y) #define cmax(x, y) x = max(x, y) #define ret() return 0; double equal(double a, double b) { return fabs(a - b) < DBL_EPSILON; } std::istream &operator>>(std::istream &in, set<int> &o) { int a; in >> a; o.insert(a); return in; } std::istream &operator>>(std::istream &in, queue<int> &o) { ll a; in >> a; o.push(a); return in; } bool contain(set<int> &s, int a) { return s.find(a) != s.end(); } // ofstream outfile("log.txt"); // outfile << setw(6) << setfill('0') << prefecture << setw(6) << setfill('0') // << rank << endl; // std::cout << std::bitset<8>(9); // const ll mod = 1e10; typedef priority_queue<ll, vector<ll>, greater<ll>> PQ_ASK; bool nine(string &s) { int i = distance(find(s.begin(), s.end(), '.'), s.end()); return i == 10; } vector<ll> up(vector<string> &v) { vector<ll> res; for (string s : v) { if (find(s.begin(), s.end(), '.') == s.end()) { s += ".0"; } while (!nine(s)) { s += "0"; } ll a = 0; for (char c : s) { if (c == '.') continue; ll i = c - '0'; a *= 10; a += i; } res.push_back(a); } return res; } vector<ll> sp(vector<ll> v, ll s) { vector<ll> res; for (ll l : v) { int ans = 0; while (l % s == 0) { ans++; l /= s; } res.push_back(ans); } return res; } // 2と5の両方が足して18になる組み合わせ // class MatrixSum { vector<vector<ll>> sum; public: MatrixSum(ll x, ll y) { sum = vector<vector<ll>>(x, vector<ll>(y)); } void add(ll x, ll y) { sum[x][y]++; } ll get(ll x, ll y) { if (x == -1 || y == -1) { return 0; } if (x == sum.size() || y == sum[x].size()) { return 0; } return sum[x][y]; } void setUp() { for (ll x = 0; x < sum.size(); x++) { for (ll y = 0; y < sum[x].size(); y++) { sum[x][y] += get(x - 1, y) + get(x, y - 1) - get(x - 1, y - 1); } } } ll getSum(ll xs, ll ys, ll xe, ll ye) { return get(xe, ye) - get(xs - 1, ye) - get(xe, ys - 1) + get(xs - 1, ys - 1); } }; int main() { int n; cin >> n; vector<string> v(n); rep(i, n) cin >> v[i]; vector<ll> v2 = up(v); vector<ll> tows = sp(v2, 2); vector<ll> fives = sp(v2, 5); MatrixSum ms(200, 200); rep(i, n) { ms.add(tows[i], fives[i]); } ms.setUp(); ll ans = 0; rep(i, n) { int now = ms.getSum(max<int>(18 - tows[i], 0), max<int>(18 - fives[i], 0), 150, 150); ans += now; } // rep(i, n) { // rep(j, n) { // if (tows[i] + tows[j] >= 18 && fives[i] + fives[j] >= 18) { // ans++; // } // } // } rep(i, n) { if (tows[i] + tows[i] >= 18 && fives[i] + fives[i] >= 18) { ans--; } } ans /= 2; cout << ans << endl; }
replace
137
138
137
140
0
p02589
C++
Runtime Error
#ifdef DBG1 #define _GLIBCXX_DEBUG #endif #include <algorithm> #include <cassert> #include <cstdio> #include <cstring> #include <functional> #include <iostream> #include <map> #include <set> #include <string> #include <vector> #ifdef DBG1 #define dbg(...) fprintf(stderr, __VA_ARGS__), fflush(stderr) #else #define dbg(...) #endif using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, int> pli; const int P = 200003; int sum(int a, int b) { if ((a += b) >= P) { a -= P; } return a; } int diff(int a, int b) { if ((a -= b) < 0) { a += P; } return a; } int prod(int a, int b) { return int(ll(a) * b % P); } int power(int a, int n) { int b = 1; while (n) { if (n & 1) { b = prod(a, b); } a = prod(a, a); n /= 2; } return b; } int inv(int a) { return power(a, P - 2); } int quotient(int a, int b) { return prod(a, inv(b)); } int &add(int &a, int b) { return a = sum(a, b); } int &subtract(int &a, int b) { return a = diff(a, b); } int &mult(int &a, int b) { return a = prod(a, b); } int &div(int &a, int b) { return a = quotient(a, b); } ll gcd(ll a, ll b) { if (b == 0) { return a; } else { return gcd(b, a % b); } } bool solve() { int n; if (scanf("%d", &n) != 1) { return false; } vector<string> w; for (int i = 0; i < n; ++i) { static char s[200100]; scanf("%s", s); w.emplace_back(s); } auto calc_suffix_hash = [](const string &s, int len) -> ll { const int P1 = int(1e6) + 3; const int P2 = 997; const int MOD = int(1e9) + 7; ll hash1 = 0; ll hash2 = 0; assert(len < s.length()); for (int i = 0; i < len; ++i) { hash1 = (hash1 * P1 + s[s.length() - i - 1]) % MOD; hash2 = (hash2 * P2 + s[s.length() - i - 1]) % MOD; } return (hash1 << 32) | hash2; }; sort(w.begin(), w.end(), [](const auto &s1, const auto &s2) { return s1.length() < s2.length(); }); ll res = 0; vector<vector<int>> mask(n); for (int i = 0; i < n; ++i) { auto &s = w[i]; auto &v = mask[i]; v.resize(s.length()); for (int j = 0; j < (int)s.length(); ++j) { if (j) v[j] = v[j - 1]; v[j] |= (1 << (s[j] - 'a')); } } for (int i = 0; i < n;) { int j = i; while (j < n && w[i].length() == w[j].length()) { j++; } int len = (int)w[i].length(); vector<pair<pair<ll, char>, int>> hashes; hashes.reserve(j - i); for (int k = i; k < j; ++k) { hashes.emplace_back(make_pair(calc_suffix_hash(w[k], len - 1), w[k][0]), 1); } sort(hashes.begin(), hashes.end()); int size = 1; for (int k = 1; k < int(hashes.size()); ++k) { if (hashes[size - 1].first == hashes[k].first) { hashes[size - 1].second++; } else { hashes[size++] = hashes[k]; } } hashes.resize(size); for (int k = j; k < n; ++k) { auto suffix_hash = calc_suffix_hash(w[k], len - 1); auto ptr = lower_bound(hashes.begin(), hashes.end(), make_pair(make_pair(suffix_hash, 'a'), 0)); while (ptr != hashes.end() && ptr->first.first == suffix_hash) { if (mask[k][w[k].length() - len] & (1 << (ptr->first.second - 'a'))) { res += ptr->second; } ++ptr; } } i = j; } printf("%lld\n", res); return true; } int main() { while (solve()) { } return 0; }
#ifdef DBG1 #define _GLIBCXX_DEBUG #endif #include <algorithm> #include <cassert> #include <cstdio> #include <cstring> #include <functional> #include <iostream> #include <map> #include <set> #include <string> #include <vector> #ifdef DBG1 #define dbg(...) fprintf(stderr, __VA_ARGS__), fflush(stderr) #else #define dbg(...) #endif using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, int> pli; const int P = 200003; int sum(int a, int b) { if ((a += b) >= P) { a -= P; } return a; } int diff(int a, int b) { if ((a -= b) < 0) { a += P; } return a; } int prod(int a, int b) { return int(ll(a) * b % P); } int power(int a, int n) { int b = 1; while (n) { if (n & 1) { b = prod(a, b); } a = prod(a, a); n /= 2; } return b; } int inv(int a) { return power(a, P - 2); } int quotient(int a, int b) { return prod(a, inv(b)); } int &add(int &a, int b) { return a = sum(a, b); } int &subtract(int &a, int b) { return a = diff(a, b); } int &mult(int &a, int b) { return a = prod(a, b); } int &div(int &a, int b) { return a = quotient(a, b); } ll gcd(ll a, ll b) { if (b == 0) { return a; } else { return gcd(b, a % b); } } bool solve() { int n; if (scanf("%d", &n) != 1) { return false; } vector<string> w; for (int i = 0; i < n; ++i) { static char s[1000100]; scanf("%s", s); w.emplace_back(s); } auto calc_suffix_hash = [](const string &s, int len) -> ll { const int P1 = int(1e6) + 3; const int P2 = 997; const int MOD = int(1e9) + 7; ll hash1 = 0; ll hash2 = 0; assert(len < s.length()); for (int i = 0; i < len; ++i) { hash1 = (hash1 * P1 + s[s.length() - i - 1]) % MOD; hash2 = (hash2 * P2 + s[s.length() - i - 1]) % MOD; } return (hash1 << 32) | hash2; }; sort(w.begin(), w.end(), [](const auto &s1, const auto &s2) { return s1.length() < s2.length(); }); ll res = 0; vector<vector<int>> mask(n); for (int i = 0; i < n; ++i) { auto &s = w[i]; auto &v = mask[i]; v.resize(s.length()); for (int j = 0; j < (int)s.length(); ++j) { if (j) v[j] = v[j - 1]; v[j] |= (1 << (s[j] - 'a')); } } for (int i = 0; i < n;) { int j = i; while (j < n && w[i].length() == w[j].length()) { j++; } int len = (int)w[i].length(); vector<pair<pair<ll, char>, int>> hashes; hashes.reserve(j - i); for (int k = i; k < j; ++k) { hashes.emplace_back(make_pair(calc_suffix_hash(w[k], len - 1), w[k][0]), 1); } sort(hashes.begin(), hashes.end()); int size = 1; for (int k = 1; k < int(hashes.size()); ++k) { if (hashes[size - 1].first == hashes[k].first) { hashes[size - 1].second++; } else { hashes[size++] = hashes[k]; } } hashes.resize(size); for (int k = j; k < n; ++k) { auto suffix_hash = calc_suffix_hash(w[k], len - 1); auto ptr = lower_bound(hashes.begin(), hashes.end(), make_pair(make_pair(suffix_hash, 'a'), 0)); while (ptr != hashes.end() && ptr->first.first == suffix_hash) { if (mask[k][w[k].length() - len] & (1 << (ptr->first.second - 'a'))) { res += ptr->second; } ++ptr; } } i = j; } printf("%lld\n", res); return true; } int main() { while (solve()) { } return 0; }
replace
86
87
86
87
0
p02589
C++
Runtime Error
#include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_poizcy.hpp> typedef long long ll; #define pb push_back #define mp make_pair #define all(a) (a).begin(), (a).end() #define clr(a, h) memset(a, (h), sizeof(a)) #define mem(a, h) memset(a, (h), sizeof(a)) #define fi first #define se second #define por(a, b) (((a % MOD) * (b % MOD)) % MOD) #define forg(i, b, e, c) for (ll i = (ll)b; i < (ll)e; i += c) #define forr(i, b, e) for (ll i = b; i < e; i++) using namespace std; // using namespace __gnu_pbds; typedef double lldb; typedef pair<ll, ll> ii; typedef pair<double, double> iidb; typedef pair<ll, ii> iii; typedef vector<ll> vi; typedef vector<vi> vvi; typedef vector<ii> vii; typedef vector<ll> vll; // typedef // tree<ii,null_type,less<ii>,rb_tree_tag,tree_order_statistics_node_update> // ordered_set; const ll INF = 1e9; const double PI = acos(-1); const ll MOD = 1e9 + 7; #define initseg ll new_nodo = (nodo * 2), mid = (iz + der) / 2; // mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #define tam 400 #define offset 200 #define ptr nodo * struct nodo { map<char, ptr> hijos; int mapa[30]; }; nodo basura[300000]; int cnodo = 0; ptr getnodo() { memset(basura[cnodo].mapa, 0, sizeof basura[cnodo].mapa); return &basura[cnodo++]; } int mapa[tam]; void add(ptr root) { forr(i, 0, 27) { if (mapa[i] != -1) root->mapa[i]++; } } void insertar(ptr root, string &txt) { //<<txt<<endl; forr(i, 0, txt.size()) { // print(); //<<root<<":"; add(root); if (mapa[txt[i]] == i) mapa[txt[i]] = -1; if (root->hijos.find(txt[i]) == root->hijos.end()) root->hijos[txt[i]] = getnodo(); root = root->hijos[txt[i]]; } //<<endl<<endl; } ll tot = 0; void query(ptr root, string &txt) { forr(i, 0, txt.size() - 1) { root = root->hijos[txt[i]]; } tot += max(0, root->mapa[txt.back()] - 1); //<<int(txt.back())<<" "<<root->mapa[txt.back()]<<" "; //<<tot<<"endl\n"; } int main() { int n; cin >> n; vector<string> lst; ptr root = getnodo(); forr(i, 0, n) { string txt; cin >> txt; forr(j, 0, txt.size()) txt[j] -= 'a'; reverse(all(txt)); memset(mapa, -1, sizeof mapa); forr(j, 0, txt.size()) mapa[txt[j]] = j; insertar(root, txt); lst.pb(txt); } for (string txt : lst) { query(root, txt); } cout << tot << endl; }
#include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_poizcy.hpp> typedef long long ll; #define pb push_back #define mp make_pair #define all(a) (a).begin(), (a).end() #define clr(a, h) memset(a, (h), sizeof(a)) #define mem(a, h) memset(a, (h), sizeof(a)) #define fi first #define se second #define por(a, b) (((a % MOD) * (b % MOD)) % MOD) #define forg(i, b, e, c) for (ll i = (ll)b; i < (ll)e; i += c) #define forr(i, b, e) for (ll i = b; i < e; i++) using namespace std; // using namespace __gnu_pbds; typedef double lldb; typedef pair<ll, ll> ii; typedef pair<double, double> iidb; typedef pair<ll, ii> iii; typedef vector<ll> vi; typedef vector<vi> vvi; typedef vector<ii> vii; typedef vector<ll> vll; // typedef // tree<ii,null_type,less<ii>,rb_tree_tag,tree_order_statistics_node_update> // ordered_set; const ll INF = 1e9; const double PI = acos(-1); const ll MOD = 1e9 + 7; #define initseg ll new_nodo = (nodo * 2), mid = (iz + der) / 2; // mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #define tam 400 #define offset 200 #define ptr nodo * struct nodo { map<char, ptr> hijos; int mapa[30]; }; nodo basura[1200000]; int cnodo = 0; ptr getnodo() { memset(basura[cnodo].mapa, 0, sizeof basura[cnodo].mapa); return &basura[cnodo++]; } int mapa[tam]; void add(ptr root) { forr(i, 0, 27) { if (mapa[i] != -1) root->mapa[i]++; } } void insertar(ptr root, string &txt) { //<<txt<<endl; forr(i, 0, txt.size()) { // print(); //<<root<<":"; add(root); if (mapa[txt[i]] == i) mapa[txt[i]] = -1; if (root->hijos.find(txt[i]) == root->hijos.end()) root->hijos[txt[i]] = getnodo(); root = root->hijos[txt[i]]; } //<<endl<<endl; } ll tot = 0; void query(ptr root, string &txt) { forr(i, 0, txt.size() - 1) { root = root->hijos[txt[i]]; } tot += max(0, root->mapa[txt.back()] - 1); //<<int(txt.back())<<" "<<root->mapa[txt.back()]<<" "; //<<tot<<"endl\n"; } int main() { int n; cin >> n; vector<string> lst; ptr root = getnodo(); forr(i, 0, n) { string txt; cin >> txt; forr(j, 0, txt.size()) txt[j] -= 'a'; reverse(all(txt)); memset(mapa, -1, sizeof mapa); forr(j, 0, txt.size()) mapa[txt[j]] = j; insertar(root, txt); lst.pb(txt); } for (string txt : lst) { query(root, txt); } cout << tot << endl; }
replace
41
42
41
42
0
p02589
C++
Runtime Error
#include <cstdio> int n; int trieroot; int trien; int triep[1001000]; int trier[1001000][26]; int triec[1001000]; int triecnt[1001000]; int triercnt[1001000][26]; char s[1001000]; int pd[100100]; int newtn(int prt, int c) { triep[trien] = prt; triec[trien] = c; trien++; return trien - 1; } int main() { scanf("%d", &n); trien = 1; trieroot = newtn(0, 0); for (int i = 0; i < n; i++) { scanf("%s", s); int x = trieroot; int len = 0; for (len = 0; s[len]; len++) ; for (int j = len - 1; j >= 0; j--) { int d = s[j] - 'a'; if (trier[x][d] == 0) { trier[x][d] = newtn(x, d); } x = trier[x][d]; } triecnt[x]++; pd[i] = x; } for (int i = trien - 1; i >= 1; i--) { triecnt[triep[i]] += triecnt[i]; for (int j = 0; j < 26; j++) { if (j == triec[i]) { triercnt[triep[i]][j] += triecnt[i]; } else { triercnt[triep[i]][j] += triercnt[i][j]; } } } long long int ans = 0; for (int i = 0; i < n; i++) { int x = pd[i]; int y = triep[x]; int d = triec[x]; ans += triercnt[y][d] - 1; } printf("%lld\n", ans); return 0; }
#include <cstdio> int n; int trieroot; int trien; int triep[1001000]; int trier[1001000][26]; int triec[1001000]; int triecnt[1001000]; int triercnt[1001000][26]; char s[1001000]; int pd[200100]; int newtn(int prt, int c) { triep[trien] = prt; triec[trien] = c; trien++; return trien - 1; } int main() { scanf("%d", &n); trien = 1; trieroot = newtn(0, 0); for (int i = 0; i < n; i++) { scanf("%s", s); int x = trieroot; int len = 0; for (len = 0; s[len]; len++) ; for (int j = len - 1; j >= 0; j--) { int d = s[j] - 'a'; if (trier[x][d] == 0) { trier[x][d] = newtn(x, d); } x = trier[x][d]; } triecnt[x]++; pd[i] = x; } for (int i = trien - 1; i >= 1; i--) { triecnt[triep[i]] += triecnt[i]; for (int j = 0; j < 26; j++) { if (j == triec[i]) { triercnt[triep[i]][j] += triecnt[i]; } else { triercnt[triep[i]][j] += triercnt[i][j]; } } } long long int ans = 0; for (int i = 0; i < n; i++) { int x = pd[i]; int y = triep[x]; int d = triec[x]; ans += triercnt[y][d] - 1; } printf("%lld\n", ans); return 0; }
replace
10
11
10
11
-11
p02589
C++
Runtime Error
#include <bits/stdc++.h> #define sz(x) ((int)(x).size()) using namespace std; typedef long long ll; const int n = 1e6 + 5; int N, M, K; struct node { int eos = 0, chi = 0; int cc[26]; int c[26]; }; int root, NC = 0; node nodes[n]; inline int getIndex(char c) { return c - 'a'; } int createNode() { int r = NC++; for (int i = 0; i < 26; i++) nodes[r].c[i] = -1, nodes[r].cc[i] = 0; return r; } void insertString(string &s, int i, int n = root) { nodes[n].chi++; if (i == -1) { nodes[n].eos++; return; } if (nodes[n].c[getIndex(s[i])] == -1) nodes[n].c[getIndex(s[i])] = createNode(); // cerr << "insert " << s << " i: " << i << " cc: " << (n->chi) <<endl; insertString(s, i - 1, nodes[n].c[getIndex(s[i])]); // n->cc[getIndex(s[i])]++; } void init() { root = createNode(); } void doDP(int n = root) { for (int i = 0; i < 26; ++i) { if (nodes[n].c[i] != -1) { doDP(nodes[n].c[i]); for (int j = 0; j < 26; ++j) { int cv = nodes[nodes[n].c[i]].cc[j]; if (j == i) cv = nodes[nodes[n].c[i]].chi; // if(cv > 0) cerr << "cv: " << cv << endl; nodes[n].cc[j] += cv; } } } } int query(string s, int i, int n = root) { if (i == 0) { return nodes[n].cc[getIndex(s[i])]; } if (nodes[n].c[getIndex(s[i])] == -1) return 0; else return query(s, i - 1, nodes[n].c[getIndex(s[i])]); } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> N; vector<string> V; init(); for (int i = 0; i < N; ++i) { string s; cin >> s; V.push_back(s); insertString(s, sz(s) - 1); } doDP(); ll cc = 0; for (string s : V) { int v = query(s, sz(s) - 1); // cerr << s << ": " << v << endl; cc += v - 1; } cout << cc << endl; return 0; }
#include <bits/stdc++.h> #define sz(x) ((int)(x).size()) using namespace std; typedef long long ll; const int n = 1e6 + 5; int N, M, K; struct node { int eos = 0, chi = 0; int cc[26]; int c[26]; }; int root, NC = 0; node nodes[n]; inline int getIndex(char c) { return c - 'a'; } int createNode() { int r = NC++; for (int i = 0; i < 26; i++) nodes[r].c[i] = -1, nodes[r].cc[i] = 0; return r; } void insertString(string &s, int i, int n = root) { nodes[n].chi++; if (i == -1) { nodes[n].eos++; return; } if (nodes[n].c[getIndex(s[i])] == -1) nodes[n].c[getIndex(s[i])] = createNode(); // cerr << "insert " << s << " i: " << i << " cc: " << (n->chi) <<endl; insertString(s, i - 1, nodes[n].c[getIndex(s[i])]); // n->cc[getIndex(s[i])]++; } void init() { root = createNode(); } void doDP(int n = root) { for (int i = 0; i < 26; ++i) { if (nodes[n].c[i] != -1) { doDP(nodes[n].c[i]); for (int j = 0; j < 26; ++j) { int cv = nodes[nodes[n].c[i]].cc[j]; if (j == i) cv = nodes[nodes[n].c[i]].chi; // if(cv > 0) cerr << "cv: " << cv << endl; nodes[n].cc[j] += cv; } } } } int query(string &s, int i, int n = root) { if (i == 0) { return nodes[n].cc[getIndex(s[i])]; } if (nodes[n].c[getIndex(s[i])] == -1) return 0; else return query(s, i - 1, nodes[n].c[getIndex(s[i])]); } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> N; vector<string> V; init(); for (int i = 0; i < N; ++i) { string s; cin >> s; V.push_back(s); insertString(s, sz(s) - 1); } doDP(); ll cc = 0; for (string s : V) { int v = query(s, sz(s) - 1); // cerr << s << ": " << v << endl; cc += v - 1; } cout << cc << endl; return 0; }
replace
56
57
56
57
-11
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define MAXN 200010 #define LEN 1000010 int n, tot = 1; int son[LEN][26], cnt[LEN], alpha[MAXN][26]; unordered_map<int, int> val[LEN]; char tmp[MAXN]; string s[MAXN]; long long ans, mul; int main() { scanf("%d", &n); for (int i = 1; i <= n; ++i) { scanf("%s", tmp + 1); s[i] = (tmp + 1); int m = strlen(tmp + 1), now = 1, las; for (int j = m; j >= 1; --j) { las = now; if (!son[now][tmp[j] - 'a']) son[now][tmp[j] - 'a'] = ++tot; now = son[now][tmp[j] - 'a']; ++alpha[i][tmp[j] - 'a']; } ++val[las][tmp[1] - 'a']; ++cnt[now]; } for (int i = 1; i <= n; ++i) { int m = s[i].length(), now = 1; for (auto v : val[now]) { if (alpha[i][v.first]) ans += v.second; } for (int j = m - 1; j >= 0; --j) { now = son[now][s[i][j] - 'a']; --alpha[i][s[i][j] - 'a']; for (auto v : val[now]) { if (alpha[i][v.first]) ans += v.second; } } mul += cnt[now]; } printf("%lld\n", ans - n); }
#include <bits/stdc++.h> using namespace std; #define MAXN 200010 #define LEN 1000010 int n, tot = 1; int son[LEN][26], cnt[LEN], alpha[MAXN][26]; unordered_map<int, int> val[LEN]; char tmp[LEN]; string s[MAXN]; long long ans, mul; int main() { scanf("%d", &n); for (int i = 1; i <= n; ++i) { scanf("%s", tmp + 1); s[i] = (tmp + 1); int m = strlen(tmp + 1), now = 1, las; for (int j = m; j >= 1; --j) { las = now; if (!son[now][tmp[j] - 'a']) son[now][tmp[j] - 'a'] = ++tot; now = son[now][tmp[j] - 'a']; ++alpha[i][tmp[j] - 'a']; } ++val[las][tmp[1] - 'a']; ++cnt[now]; } for (int i = 1; i <= n; ++i) { int m = s[i].length(), now = 1; for (auto v : val[now]) { if (alpha[i][v.first]) ans += v.second; } for (int j = m - 1; j >= 0; --j) { now = son[now][s[i][j] - 'a']; --alpha[i][s[i][j] - 'a']; for (auto v : val[now]) { if (alpha[i][v.first]) ans += v.second; } } mul += cnt[now]; } printf("%lld\n", ans - n); }
replace
9
10
9
10
-11
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define rep(i, n) FOR(i, 0, n) #define rep1(i, n) FOR(i, 1, n + 1) #define rrep(i, n) for (int i = ((int)(n)-1); i >= 0; --i) #define whole(x) (x).begin(), (x).end() #define rwhole(x) (x).rbegin(), (x).rend() #define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end()) #define P pair<int, int> #define debug(var) cerr << "[" << #var << "] " << var << endl #define chmin(x, y) x = min(x, y) #define chmax(x, y) x = max(x, y) #define vi vector<int> #define vl vector<ll> #define pb push_back #define eb emplace_back const ll mod = 1000000007; const int dx[] = {-1, 0, 1, 0}; const int dy[] = {0, -1, 0, 1}; const int NMAX = 200005; bool isend[NMAX]; int child[NMAX][26]; int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; vector<string> s(n); rep(i, n) cin >> s[i]; rep(i, n) reverse(whole(s[i])); auto comp = [](string a, string b) { if (a.size() == b.size()) return a < b; return a.size() < b.size(); }; sort(whole(s), comp); // TRIE int nxt = 1; vector<vector<int>> path(n); rep(i, n) { int node = 0; for (char c : s[i]) { path[i].pb(node); if (child[node][c - 'a'] == 0) { child[node][c - 'a'] = nxt++; } node = child[node][c - 'a']; } isend[node] = true; } ll ans = 0; rep(i, n) { set<char> suf; rrep(j, s[i].size()) { suf.insert(s[i][j]); int node = path[i][j]; for (char c : suf) { if (isend[child[node][c - 'a']]) ans++; } } } ans -= n; cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define rep(i, n) FOR(i, 0, n) #define rep1(i, n) FOR(i, 1, n + 1) #define rrep(i, n) for (int i = ((int)(n)-1); i >= 0; --i) #define whole(x) (x).begin(), (x).end() #define rwhole(x) (x).rbegin(), (x).rend() #define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end()) #define P pair<int, int> #define debug(var) cerr << "[" << #var << "] " << var << endl #define chmin(x, y) x = min(x, y) #define chmax(x, y) x = max(x, y) #define vi vector<int> #define vl vector<ll> #define pb push_back #define eb emplace_back const ll mod = 1000000007; const int dx[] = {-1, 0, 1, 0}; const int dy[] = {0, -1, 0, 1}; const int NMAX = 1000005; bool isend[NMAX]; int child[NMAX][26]; int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; vector<string> s(n); rep(i, n) cin >> s[i]; rep(i, n) reverse(whole(s[i])); auto comp = [](string a, string b) { if (a.size() == b.size()) return a < b; return a.size() < b.size(); }; sort(whole(s), comp); // TRIE int nxt = 1; vector<vector<int>> path(n); rep(i, n) { int node = 0; for (char c : s[i]) { path[i].pb(node); if (child[node][c - 'a'] == 0) { child[node][c - 'a'] = nxt++; } node = child[node][c - 'a']; } isend[node] = true; } ll ans = 0; rep(i, n) { set<char> suf; rrep(j, s[i].size()) { suf.insert(s[i][j]); int node = path[i][j]; for (char c : suf) { if (isend[child[node][c - 'a']]) ans++; } } } ans -= n; cout << ans << endl; return 0; }
replace
22
23
22
23
0
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define pb push_back #define LL long long const int N = 2e5 + 5; int n; vector<string> v; vector<int> c[N][26]; LL ans; int main() { cin >> n; for (int i = 0; i < n; i++) { string s; cin >> s; reverse(s.begin(), s.end()); v.pb(s); } sort(v.begin(), v.end()); for (int i = 0; i < n; i++) for (int j = 0; j < 26; j++) { c[i][j].resize(v[i].size()); for (int k = v[i].size() - 1; k >= 0; k--) if (k != v[i].size() - 1 && c[i][j][k + 1] || v[i][k] == j + 'a') c[i][j][k] = 1; else c[i][j][k] = 0; } for (int i = 1; i < n; i++) for (int j = 0; j < 26; j++) for (int k = 0; k < c[i][j].size(); k++) if (k < c[i - 1][j].size()) c[i][j][k] += c[i - 1][j][k]; for (int i = 0; i < n; i++) { string s = v[i].substr(0, v[i].size() - 1); int u1 = upper_bound(v.begin(), v.end(), s) - v.begin(); if (s.size()) s[s.size() - 1]++; else s = "|位巨佬!"; int u2 = lower_bound(v.begin(), v.end(), s) - v.begin(); int last = v[i][v[i].size() - 1] - 'a'; ans += c[u2 - 1][last][v[i].size() - 1]; if (v[i].size() <= c[u1 - 1][last].size()) ans -= c[u1 - 1][last][v[i].size() - 1]; } cout << ans - n << '\n'; return 0; }
#include <bits/stdc++.h> using namespace std; #define pb push_back #define LL long long const int N = 2e5 + 5; int n; vector<string> v; vector<int> c[N][26]; LL ans; int main() { cin >> n; for (int i = 0; i < n; i++) { string s; cin >> s; reverse(s.begin(), s.end()); v.pb(s); } sort(v.begin(), v.end()); for (int i = 0; i < n; i++) for (int j = 0; j < 26; j++) { c[i][j].resize(v[i].size()); for (int k = v[i].size() - 1; k >= 0; k--) if (k != v[i].size() - 1 && c[i][j][k + 1] || v[i][k] == j + 'a') c[i][j][k] = 1; else c[i][j][k] = 0; } for (int i = 1; i < n; i++) for (int j = 0; j < 26; j++) for (int k = 0; k < c[i][j].size(); k++) if (k < c[i - 1][j].size()) c[i][j][k] += c[i - 1][j][k]; for (int i = 0; i < n; i++) { string s = v[i].substr(0, v[i].size() - 1); int u1 = upper_bound(v.begin(), v.end(), s) - v.begin(); if (s.size()) s[s.size() - 1]++; else s = "|位巨佬!"; int u2 = lower_bound(v.begin(), v.end(), s) - v.begin(); int last = v[i][v[i].size() - 1] - 'a'; ans += c[u2 - 1][last][v[i].size() - 1]; if (u1 && v[i].size() <= c[u1 - 1][last].size()) ans -= c[u1 - 1][last][v[i].size() - 1]; } cout << ans - n << '\n'; return 0; }
replace
46
47
46
47
-11
p02589
C++
Runtime Error
#include <bits/stdc++.h> #define MAXN 200005 #define INF 1000000000 #define MOD 1000000007 #define F first #define S second using namespace std; typedef long long ll; typedef pair<int, int> P; string str[MAXN]; int tot = 1, n; int trie[MAXN][26], cnt[MAXN][26]; bool ed[MAXN]; bool has[26]; void insert(string s, int rt) { vector<int> nodes; nodes.clear(); for (int i = 0; i < (int)s.size(); i++) { int x = s[i] - 'a'; if (trie[rt][x] == 0) trie[rt][x] = ++tot; nodes.push_back(rt); rt = trie[rt][x]; } memset(has, false, sizeof(has)); for (int i = (int)s.size() - 1; i >= 0; i--) { has[s[i] - 'a'] = true; int cur = nodes[i]; for (int j = 0; j < 26; j++) if (has[j]) cnt[cur][j]++; } } int get_ans(string s, int rt) { for (int i = 0; i < (int)s.size() - 1; i++) { int x = s[i] - 'a'; if (trie[rt][x] == 0) return false; rt = trie[rt][x]; } int x = s[s.size() - 1] - 'a'; return cnt[rt][x]; } map<string, int> mp; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { cin >> str[i]; reverse(str[i].begin(), str[i].end()); insert(str[i], 1); } ll ans = 0; for (int i = 0; i < n; i++) ans += get_ans(str[i], 1) - 1; for (int i = 0; i < n; i++) mp[str[i]]++; for (auto p : mp) ans -= 1LL * p.S * (p.S - 1) / 2; printf("%lld\n", ans); }
#include <bits/stdc++.h> #define MAXN 2000005 #define INF 1000000000 #define MOD 1000000007 #define F first #define S second using namespace std; typedef long long ll; typedef pair<int, int> P; string str[MAXN]; int tot = 1, n; int trie[MAXN][26], cnt[MAXN][26]; bool ed[MAXN]; bool has[26]; void insert(string s, int rt) { vector<int> nodes; nodes.clear(); for (int i = 0; i < (int)s.size(); i++) { int x = s[i] - 'a'; if (trie[rt][x] == 0) trie[rt][x] = ++tot; nodes.push_back(rt); rt = trie[rt][x]; } memset(has, false, sizeof(has)); for (int i = (int)s.size() - 1; i >= 0; i--) { has[s[i] - 'a'] = true; int cur = nodes[i]; for (int j = 0; j < 26; j++) if (has[j]) cnt[cur][j]++; } } int get_ans(string s, int rt) { for (int i = 0; i < (int)s.size() - 1; i++) { int x = s[i] - 'a'; if (trie[rt][x] == 0) return false; rt = trie[rt][x]; } int x = s[s.size() - 1] - 'a'; return cnt[rt][x]; } map<string, int> mp; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { cin >> str[i]; reverse(str[i].begin(), str[i].end()); insert(str[i], 1); } ll ans = 0; for (int i = 0; i < n; i++) ans += get_ans(str[i], 1) - 1; for (int i = 0; i < n; i++) mp[str[i]]++; for (auto p : mp) ans -= 1LL * p.S * (p.S - 1) / 2; printf("%lld\n", ans); }
replace
1
2
1
2
0
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define pb push_back const int N = 2e5 + 5; int trie[N][60]; string s[N]; int sz; int zero = 30; void add(int idx) { int root = 1; int z = s[idx].size(); int cnt[33] = {}; for (int i = 0; i < z; i++) { cnt[s[idx][i] - 'a']++; } for (int i = 0; i < 26; i++) { if (cnt[i] > 0) trie[root][i + zero]++; } for (int i = 0; i < z; i++) { if (trie[root][s[idx][i] - 'a'] == 0) { trie[root][s[idx][i] - 'a'] = ++sz; } root = trie[root][s[idx][i] - 'a']; cnt[s[idx][i] - 'a']--; for (int j = 0; j < 26; j++) { if (cnt[j] > 0) trie[root][j + zero]++; } } } ll ans = 0; void get(int idx) { int root = 1; int z = s[idx].size(); for (int i = 0; i < z - 1; i++) { root = trie[root][s[idx][i] - 'a']; } int x = s[idx][z - 1] - 'a'; ans += trie[root][x + zero]; } void solve() { int n; cin >> n; for (int i = 1; i <= n; i++) { cin >> s[i]; reverse(s[i].begin(), s[i].end()); } sz = 1; for (int i = 1; i <= n; i++) { add(i); } for (int i = 1; i <= n; i++) { get(i); } cout << ans - n << endl; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int t = 1; // cin>>t; while (t--) solve(); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define pb push_back const int N = 2e6 + 5; int trie[N][60]; string s[N]; int sz; int zero = 30; void add(int idx) { int root = 1; int z = s[idx].size(); int cnt[33] = {}; for (int i = 0; i < z; i++) { cnt[s[idx][i] - 'a']++; } for (int i = 0; i < 26; i++) { if (cnt[i] > 0) trie[root][i + zero]++; } for (int i = 0; i < z; i++) { if (trie[root][s[idx][i] - 'a'] == 0) { trie[root][s[idx][i] - 'a'] = ++sz; } root = trie[root][s[idx][i] - 'a']; cnt[s[idx][i] - 'a']--; for (int j = 0; j < 26; j++) { if (cnt[j] > 0) trie[root][j + zero]++; } } } ll ans = 0; void get(int idx) { int root = 1; int z = s[idx].size(); for (int i = 0; i < z - 1; i++) { root = trie[root][s[idx][i] - 'a']; } int x = s[idx][z - 1] - 'a'; ans += trie[root][x + zero]; } void solve() { int n; cin >> n; for (int i = 1; i <= n; i++) { cin >> s[i]; reverse(s[i].begin(), s[i].end()); } sz = 1; for (int i = 1; i <= n; i++) { add(i); } for (int i = 1; i <= n; i++) { get(i); } cout << ans - n << endl; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int t = 1; // cin>>t; while (t--) solve(); return 0; }
replace
5
6
5
6
0
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define int ll #define ll long long #define I32_MAX 2147483647 #define I64_MAX 9223372036854775807LL #define I64_MAX2 1223372036854775807LL #define INF I64_MAX2 #define MOD 1000000007 // #define MOD 998244353 #define MEM_SIZE 101010 #define DEBUG_OUT true #define ALL(x) (x).begin(), (x).end() template <typename T> void DEBUG(T e) { if (DEBUG_OUT == false) return; std::cout << e << " "; } template <typename T> void DEBUG(const std::vector<T> &v) { if (DEBUG_OUT == false) return; for (const auto &e : v) { std::cout << e << " "; } std::cout << std::endl; } template <typename T> void DEBUG(const std::vector<std::vector<T>> &vv) { if (DEBUG_OUT == false) return; for (const auto &v : vv) { DEBUG(v); } } template <class T, class... Ts> void DEBUG(T d, Ts... e) { if (DEBUG_OUT == false) return; DEBUG(d); DEBUG(e...); } template <class T> void corner(bool flg, T hoge) { if (flg) { cout << hoge << endl; abort(); } } template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } // BELOW template <int K, class T> struct Trie { struct Node { int c; std::array<int, K> nxt; std::array<int, K> cnt; // 文字cを含むような子孫の数 int sz; // 部分木のサイズ explicit Node(int c) : c(c), sz(0) { nxt.fill(-1); cnt.fill(0); } }; std::vector<Node> nodes; std::function<int(T)> enc; explicit Trie(T base) { nodes.emplace_back(-1); enc = [=](T c) { return c - base; }; } explicit Trie(const std::function<int(T)> &enc) : enc(enc) { nodes.emplace_back(-1); } template <class Container> void add(const Container &s) { int pos = 0; for (T c : s) { int ci = enc(c); int npos = nodes[pos].nxt[ci]; if (npos == -1) { npos = nodes.size(); nodes[pos].nxt[ci] = npos; nodes.emplace_back(ci); } pos = npos; } ++nodes[pos].sz; } template <class Container> int find(const Container &s) const { int pos = 0; for (char c : s) { int ci = enc(c); pos = nodes[pos].nxt[ci]; if (pos == -1) return -1; } return pos; } // cntを埋める void fillcnt() { for (int pos = (int)nodes.size() - 1; pos >= 0; --pos) { auto &node = nodes[pos]; for (int c = 0; c < 26; ++c) { int npos = node.nxt[c]; if (npos == -1) continue; const auto &cnode = nodes[npos]; node.sz += cnode.sz; for (int d = 0; d < 26; ++d) { node.cnt[d] += cnode.cnt[d]; } } // 全ての子孫はcを含む if (node.c != -1) node.cnt[node.c] = node.sz; } } }; // BELOW void solve(void) { int n; cin >> n; vector<string> vs(n, 0); for (int i = 0; i < n; i++) { cin >> vs[i]; reverse(ALL(vs[i])); } Trie<26, char> trie('a'); for (auto &&s : vs) { trie.add(s); } trie.fillcnt(); int res = 0; for (auto &&s : vs) { int last = s.back() - 'a'; s.pop_back(); int pos = trie.find(s); for (int ci = 0; ci < 26; ci++) { int npos = trie.nodes[pos].nxt[ci]; if (npos == -1) continue; res += trie.nodes[npos].cnt[last]; if (ci == last) res--; } } cout << res << endl; return; } int32_t main(int32_t argc, const char *argv[]) { std::ios::sync_with_stdio(false); std::cin.tie(0); std::cout << std::fixed; std::cout << std::setprecision(11); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define int ll #define ll long long #define I32_MAX 2147483647 #define I64_MAX 9223372036854775807LL #define I64_MAX2 1223372036854775807LL #define INF I64_MAX2 #define MOD 1000000007 // #define MOD 998244353 #define MEM_SIZE 101010 #define DEBUG_OUT true #define ALL(x) (x).begin(), (x).end() template <typename T> void DEBUG(T e) { if (DEBUG_OUT == false) return; std::cout << e << " "; } template <typename T> void DEBUG(const std::vector<T> &v) { if (DEBUG_OUT == false) return; for (const auto &e : v) { std::cout << e << " "; } std::cout << std::endl; } template <typename T> void DEBUG(const std::vector<std::vector<T>> &vv) { if (DEBUG_OUT == false) return; for (const auto &v : vv) { DEBUG(v); } } template <class T, class... Ts> void DEBUG(T d, Ts... e) { if (DEBUG_OUT == false) return; DEBUG(d); DEBUG(e...); } template <class T> void corner(bool flg, T hoge) { if (flg) { cout << hoge << endl; abort(); } } template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } // BELOW template <int K, class T> struct Trie { struct Node { int c; std::array<int, K> nxt; std::array<int, K> cnt; // 文字cを含むような子孫の数 int sz; // 部分木のサイズ explicit Node(int c) : c(c), sz(0) { nxt.fill(-1); cnt.fill(0); } }; std::vector<Node> nodes; std::function<int(T)> enc; explicit Trie(T base) { nodes.emplace_back(-1); enc = [=](T c) { return c - base; }; } explicit Trie(const std::function<int(T)> &enc) : enc(enc) { nodes.emplace_back(-1); } template <class Container> void add(const Container &s) { int pos = 0; for (T c : s) { int ci = enc(c); int npos = nodes[pos].nxt[ci]; if (npos == -1) { npos = nodes.size(); nodes[pos].nxt[ci] = npos; nodes.emplace_back(ci); } pos = npos; } ++nodes[pos].sz; } template <class Container> int find(const Container &s) const { int pos = 0; for (char c : s) { int ci = enc(c); pos = nodes[pos].nxt[ci]; if (pos == -1) return -1; } return pos; } // cntを埋める void fillcnt() { for (int pos = (int)nodes.size() - 1; pos >= 0; --pos) { auto &node = nodes[pos]; for (int c = 0; c < 26; ++c) { int npos = node.nxt[c]; if (npos == -1) continue; const auto &cnode = nodes[npos]; node.sz += cnode.sz; for (int d = 0; d < 26; ++d) { node.cnt[d] += cnode.cnt[d]; } } // 全ての子孫はcを含む if (node.c != -1) node.cnt[node.c] = node.sz; } } }; // BELOW void solve(void) { int n; cin >> n; vector<string> vs(n); for (int i = 0; i < n; i++) { cin >> vs[i]; reverse(ALL(vs[i])); } Trie<26, char> trie('a'); for (auto &&s : vs) { trie.add(s); } trie.fillcnt(); int res = 0; for (auto &&s : vs) { int last = s.back() - 'a'; s.pop_back(); int pos = trie.find(s); for (int ci = 0; ci < 26; ci++) { int npos = trie.nodes[pos].nxt[ci]; if (npos == -1) continue; res += trie.nodes[npos].cnt[last]; if (ci == last) res--; } } cout << res << endl; return; } int32_t main(int32_t argc, const char *argv[]) { std::ios::sync_with_stdio(false); std::cin.tie(0); std::cout << std::fixed; std::cout << std::setprecision(11); solve(); return 0; }
replace
135
136
135
136
-6
terminate called after throwing an instance of 'std::logic_error' what(): basic_string: construction from null is not valid
p02589
C++
Runtime Error
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define IN freopen("alchemy_input.txt", "r", stdin) #define OUT freopen("output.txt", "w", stdout) #define pb push_back #define mp make_pair #define FOR(i, a, b) for (i = a; i <= b; i++) #define DBG printf("Hi\n") #define i64 long long int #define ui64 unsigned long long int #define xx first #define yy second #define ln 17 #define off 2 #define sq(x) ((x) * (x)) #define FASTIO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL) using namespace __gnu_pbds; using namespace std; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); typedef tree<i64, null_type, less<i64>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; typedef pair<int, int> pii; // #define log 20 #define mod1 1000000007LL #define mod2 1000000009LL #define INF 2000000000 #define maxn 200005 const long double eps = 1e-9; vector<string> vs; bool comp(string s1, string s2) { return s1.size() > s2.size(); } map<pair<pair<int, int>, int>, int> Map; int cnt[maxn][28]; int yes[maxn][28]; int main() { FASTIO; int n; cin >> n; for (int i = 1; i <= n; i++) { string s; cin >> s; reverse(s.begin(), s.end()); vs.pb(s); } sort(vs.begin(), vs.end(), comp); // reverse(vs.begin(),vs.end()) ; int cur = 0; i64 ans = 0; for (int i = 0; i < n; i++) { int sz = vs[i].size(); for (int j = sz - 1; j >= 0; j--) for (int k = 0; k < 26; k++) yes[j][k] = 0; for (int j = sz - 1; j >= 0; j--) { for (int k = 0; k < 26; k++) yes[j][k] |= yes[j + 1][k]; yes[j][vs[i][j] - 'a'] = 1; } int b1 = 29, b2 = 43; int h1 = 0, h2 = 0; for (int j = 0; j < sz - 1; j++) { h1 = (1LL * h1 * b1 + vs[i][j] - 'a') % mod1; h2 = (1LL * h2 * b2 + vs[i][j] - 'a') % mod2; } if (Map.find(mp(mp(h1, h2), sz - 1)) != Map.end()) { int idx = Map[mp(mp(h1, h2), sz - 1)]; ans += cnt[idx][vs[i][sz - 1] - 'a']; } h1 = 0; h2 = 0; for (int j = 0; j < sz; j++) { if (Map.find(mp(mp(h1, h2), j)) == Map.end()) { Map[mp(mp(h1, h2), j)] = ++cur; } int c = Map[mp(mp(h1, h2), j)]; for (int k = 0; k < 26; k++) cnt[c][k] += yes[j][k]; h1 = (1LL * h1 * b1 + vs[i][j] - 'a') % mod1; h2 = (1LL * h2 * b2 + vs[i][j] - 'a') % mod2; } for (int j = sz - 1; j >= 0; j--) { for (int k = 0; k < 26; k++) yes[j][k] = 0; } // cout<<vs[i]<<" "<<ans<<endl ; } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define IN freopen("alchemy_input.txt", "r", stdin) #define OUT freopen("output.txt", "w", stdout) #define pb push_back #define mp make_pair #define FOR(i, a, b) for (i = a; i <= b; i++) #define DBG printf("Hi\n") #define i64 long long int #define ui64 unsigned long long int #define xx first #define yy second #define ln 17 #define off 2 #define sq(x) ((x) * (x)) #define FASTIO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL) using namespace __gnu_pbds; using namespace std; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); typedef tree<i64, null_type, less<i64>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; typedef pair<int, int> pii; // #define log 20 #define mod1 1000000007LL #define mod2 1000000009LL #define INF 2000000000 #define maxn 1000005 const long double eps = 1e-9; vector<string> vs; bool comp(string s1, string s2) { return s1.size() > s2.size(); } map<pair<pair<int, int>, int>, int> Map; int cnt[maxn][28]; int yes[maxn][28]; int main() { FASTIO; int n; cin >> n; for (int i = 1; i <= n; i++) { string s; cin >> s; reverse(s.begin(), s.end()); vs.pb(s); } sort(vs.begin(), vs.end(), comp); // reverse(vs.begin(),vs.end()) ; int cur = 0; i64 ans = 0; for (int i = 0; i < n; i++) { int sz = vs[i].size(); for (int j = sz - 1; j >= 0; j--) for (int k = 0; k < 26; k++) yes[j][k] = 0; for (int j = sz - 1; j >= 0; j--) { for (int k = 0; k < 26; k++) yes[j][k] |= yes[j + 1][k]; yes[j][vs[i][j] - 'a'] = 1; } int b1 = 29, b2 = 43; int h1 = 0, h2 = 0; for (int j = 0; j < sz - 1; j++) { h1 = (1LL * h1 * b1 + vs[i][j] - 'a') % mod1; h2 = (1LL * h2 * b2 + vs[i][j] - 'a') % mod2; } if (Map.find(mp(mp(h1, h2), sz - 1)) != Map.end()) { int idx = Map[mp(mp(h1, h2), sz - 1)]; ans += cnt[idx][vs[i][sz - 1] - 'a']; } h1 = 0; h2 = 0; for (int j = 0; j < sz; j++) { if (Map.find(mp(mp(h1, h2), j)) == Map.end()) { Map[mp(mp(h1, h2), j)] = ++cur; } int c = Map[mp(mp(h1, h2), j)]; for (int k = 0; k < 26; k++) cnt[c][k] += yes[j][k]; h1 = (1LL * h1 * b1 + vs[i][j] - 'a') % mod1; h2 = (1LL * h2 * b2 + vs[i][j] - 'a') % mod2; } for (int j = sz - 1; j >= 0; j--) { for (int k = 0; k < 26; k++) yes[j][k] = 0; } // cout<<vs[i]<<" "<<ans<<endl ; } cout << ans << endl; return 0; }
replace
38
39
38
39
0
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using pld = pair<ld, ld>; const int INF = 1e9 + 7; const ll LINF = 9223372036854775807; const ll MOD = 1e9 + 7; const ld PI = acos(-1); const ld EPS = 1e-10; // 微調整用(EPSより小さいと0と判定など) int ii() { int x; if (scanf("%d", &x) == 1) return x; else return 0; } long long il() { long long x; if (scanf("%lld", &x) == 1) return x; else return 0; } string is() { string x; cin >> x; return x; } char ic() { char x; cin >> x; return x; } void oi(int x) { printf("%d ", x); } void ol(long long x) { printf("%lld ", x); } void od_nosp(double x) { printf("%.15f", x); } // 古い問題用 void od(double x) { printf("%.15f ", x); } // long doubleで受け取り、fをLfなどに変えて出力すると、変な数値が出る // それをなんとかするには独自の出力を作らなければならなそう void os(const string &s) { printf("%s ", s.c_str()); } void oc(const char &c) { printf("%c ", c); } #define o_map(v) \ { \ cerr << #v << endl; \ for (const auto &xxx : v) { \ cout << xxx.first << " " << xxx.second << "\n"; \ } \ } // 動作未確認 void br() { putchar('\n'); } // #define gcd __gcd //llは受け取らない C++17~のgcdと違うので注意 // int lcm(int a, int b){return a / gcd(a, b) * b;} #define begin_end(a) a.begin(), a.end() // sort(begin_end(vec)); #define REP(i, m, n) for (ll i = (ll)(m); i < (ll)(n); i++) #define DREP(i, m, n) for (ll i = (ll)(m); i > (ll)(n); i--) #define rep(i, n) REP(i, 0, n) #define m_p(a, b) make_pair(a, b) #define SORT_UNIQUE(c) \ (sort(c.begin(), c.end()), \ c.resize(distance(c.begin(), unique(c.begin(), c.end())))) #define p_b push_back #define SZ(x) ((ll)(x).size()) // size()がunsignedなのでエラー避けに #define endk '\n' // coutによるpairの出力(空白区切り) template <typename T1, typename T2> ostream &operator<<(ostream &s, const pair<T1, T2> &p) { return s << "(" << p.first << " " << p.second << ")"; } // coutによるvectorの出力(空白区切り) template <typename T> ostream &operator<<(ostream &s, const vector<T> &v) { int len = v.size(); for (int i = 0; i < len; ++i) { s << v[i]; if (i < len - 1) s << " "; //"\t"に変えるとTabで見やすく区切る } return s; } // coutによる多次元vectorの出力(空白区切り) template <typename T> ostream &operator<<(ostream &s, const vector<vector<T>> &vv) { int len = vv.size(); for (int i = 0; i < len; ++i) { s << vv[i] << endl; } return s; } // 最大値、最小値の更新。更新したor等しければtrueを返す template <typename T> bool chmax(T &a, T b) { return (a = max(a, b)) == b; } template <typename T> bool chmin(T &a, T b) { return (a = min(a, b)) == b; } // 4近傍(上下左右) rep(i, 2) にすると右・下だけに進む vector<int> dx_4 = {1, 0, -1, 0}; vector<int> dy_4 = {0, 1, 0, -1}; // -------- template end - // // - library ------------- // ll ans = 0; // existence[i][j][k] := S[i]の [j]文字目以降に アルファベット[k:a~z] // が何個あるか vector<vector<vector<ll>>> existence; // Trie 木 // O(|S|) で文字列を挿入する // O(max(Trie木に入っている文字列 & 検索キーとなる文字列) ) // なので、検索キー文字列が長くても、辞書内の文字列が短ければすぐ終わる // ex)天下一2016-C たんごたくさん メモリ領域は最悪でも // max(|S|)*(文字種数)*(文字種数)+(文字列数) か? Trie<26, 'a'> trie; // などとして構築 void insert(str word); 文字列の挿入 bool // search(str word); 指定した文字列そのものがあるか bool // search_prefix(str prefix); 指定したprefixを持つ文字列があるか int // word_count(); 挿入した単語の数 int node_count(); // 頂点の総数(根を含む) accept // 変数を使えば、条件に沿う文字列が「いくつあるか」への変更は容易と思われる template <int char_size, int base> struct Trie { struct Node { // 頂点の構造体を定義 vector<int> next; // 子の頂点番号を格納。存在しなければ-1 // next[c] := 次の文字が c となる子頂点の頂点番号 vector<int> accept; // 末端がこの頂点になる文字列の str_id を保存 // str_id := その文字列が何番目に入ったか(0-indexed) int c; // base からの間隔をint型で表現したもの int common; // いくつの文字列がこの頂点を共有しているか(根は全員が共有) Node(int c_) : c(c_), common(0) { // <- なぜ0で生成? 1では? next.assign(char_size, -1); // 生成時は子がいないので、next[全文字種] = -1 } }; vector<Node> nodes; // trie 木本体 int root; // 根(の頂点番号か? // と思いきや、Node(root)としているから、頂点の文字種になっちゃってないか? // どういうこと?) Trie() : root(0) { // 初期化。はじめは根しか無い nodes.push_back(Node(root)); // rootノード.cが0とはどういうことか? // 文字種'a'ってことになっちゃわないか? } // 単語を追加 ※使う時は、void insert(const string &word) の方を使う void insert(const string &word, int word_id) { // 単語:str と 単語の番号: str_id int node_id = 0; // 今見ている頂点番号 最初は根(0) // 今の頂点から、次の頂点(子)を探す // 深さ1辿るごとに必ず1文字進むので、文字数と同じ回数ループすれば良い for (int i = 0; i < (int)word.size(); i++) { int c = (int)(word[i] - base); // i文字目(0-indexed)を探す // 今の頂点の子の中で、次に文字種cが来る頂点番号(-1なら更新したいので参照渡し) int &next_id = nodes[node_id].next[c]; if (next_id == -1) { // 次の頂点が存在しなければ追加 next_id = (int)nodes.size(); // 現在ある頂点数 = 新しい頂点の頂点番号 nodes.push_back(Node(c)); // 文字種 c の頂点を追加 } ++nodes[node_id].common; // 今の頂点を共有する文字列を1つ増やす node_id = next_id; // 次の頂点(子)に移動 } // 最後の頂点(最後の文字)の処理を忘れずに行う ++nodes[node_id].common; nodes[node_id].accept.push_back( word_id); // 単語の終端なので、頂点に番号を入れておく } void insert(const string &word) { insert(word, nodes[0] .common); // 根を共有する文字列の数 = 挿入済みの文字列数 = str_id } // 単語 もしくは prefixの検索 // 第二引数として 今回見始めるのは何文字目(0-indexed)からかを渡す vector<int> search(const string &word, int s_idx) { vector<int> res; // 見つけた単語のstr_id int node_id = 0; // 今見ている頂点番号 最初は根(0) // 今の頂点から、次の頂点(子)を探す // 深さ1辿るごとに必ず1文字進むので、文字数と同じ回数ループすれば良い for (int i = s_idx; i < (int)word.size(); i++) { int c = (int)(word[i] - base); int &next_id = nodes[node_id].next[c]; if (next_id == -1) { // 次の頂点が存在しなければ終了 return res; } node_id = next_id; // ここで次の頂点に移っているので、ここで文字列が見つかったか判定する for (int id_found : nodes[node_id].accept) res.p_b(id_found); } return res; } // 挿入した単語の数 int word_count() const { return (nodes[0].common); } // Trie木のノード数 int node_count() const { return ((int)nodes.size()); } }; // --------- library end - // int main() { ll N = il(); // existence[i][j][k] := S[i]の [j]文字目以降に アルファベット[k:a~z] // が何個あるか [i][len] の部分には番兵が入っている existence = vector<vector<vector<ll>>>(N, vector<vector<ll>>()); vector<string> ss; rep(i, N) { ss.push_back(is()); reverse(begin_end(ss[i])); existence[i] = vector<vector<ll>>(SZ(ss[i]) + 1, vector<ll>(26, 0)); } // existence の前計算 rep(i, N) { DREP(j, SZ(ss[i]) - 1, -1) { // j : SZ(ss[i])-1 ~ 0 rep(k, 26) { existence[i][j][k] = existence[i][j + 1][k]; } existence[i][j][ss[i][j] - 'a'] += 1; } } // Trie木を構築 Trie<26, 'a'> trie; rep(i, N) trie.insert(ss[i]); // S[i] を用いて作れる S[i] 以外の文字列がいくつあるか を各iについて見ていく // Trie木の search() を今回用に改造するのは大変そうなので、データだけ利用する rep(i, N) { int node = 0; // 今見ている prefix の末尾 rep(j, SZ(ss[i])) { // j : 0 ~ Siの長さ - 1 // 「1文字はprefixから離れていてもいい」という1文字について判定するために、「Siのj文字目以降に存在する文字」について判定してループするが、その // j 文字目 を表す(0-indexed) rep(k, 26) { // k : 0 ~ 25 (a ~ z) // trie.nodes[node].next[k]が-1となって、SZ(...)の部分が配列外参照を起こすことはない(S[i]自身が入っているため // & S[i]に存在しないパターンは existence[i][j][k]>0 // の判定で除外されるため) if (trie.nodes[node].next[k] != -1) { cout << "aaaa" << endk; return 0; } if (existence[i][j][k] > 0 && SZ(trie.nodes[trie.nodes[node].next[k]].accept) > 0) { ans++; } } // 次の文字に移る(次はj文字目をprefixに入れる) if (trie.nodes[node].next[ss[i][j] - 'a'] == -1) break; else node = trie.nodes[node].next[ss[i][j] - 'a']; } } ans -= N; // 各ループで自分自身も検出しているので、それを引く cout << ans << endk; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using pld = pair<ld, ld>; const int INF = 1e9 + 7; const ll LINF = 9223372036854775807; const ll MOD = 1e9 + 7; const ld PI = acos(-1); const ld EPS = 1e-10; // 微調整用(EPSより小さいと0と判定など) int ii() { int x; if (scanf("%d", &x) == 1) return x; else return 0; } long long il() { long long x; if (scanf("%lld", &x) == 1) return x; else return 0; } string is() { string x; cin >> x; return x; } char ic() { char x; cin >> x; return x; } void oi(int x) { printf("%d ", x); } void ol(long long x) { printf("%lld ", x); } void od_nosp(double x) { printf("%.15f", x); } // 古い問題用 void od(double x) { printf("%.15f ", x); } // long doubleで受け取り、fをLfなどに変えて出力すると、変な数値が出る // それをなんとかするには独自の出力を作らなければならなそう void os(const string &s) { printf("%s ", s.c_str()); } void oc(const char &c) { printf("%c ", c); } #define o_map(v) \ { \ cerr << #v << endl; \ for (const auto &xxx : v) { \ cout << xxx.first << " " << xxx.second << "\n"; \ } \ } // 動作未確認 void br() { putchar('\n'); } // #define gcd __gcd //llは受け取らない C++17~のgcdと違うので注意 // int lcm(int a, int b){return a / gcd(a, b) * b;} #define begin_end(a) a.begin(), a.end() // sort(begin_end(vec)); #define REP(i, m, n) for (ll i = (ll)(m); i < (ll)(n); i++) #define DREP(i, m, n) for (ll i = (ll)(m); i > (ll)(n); i--) #define rep(i, n) REP(i, 0, n) #define m_p(a, b) make_pair(a, b) #define SORT_UNIQUE(c) \ (sort(c.begin(), c.end()), \ c.resize(distance(c.begin(), unique(c.begin(), c.end())))) #define p_b push_back #define SZ(x) ((ll)(x).size()) // size()がunsignedなのでエラー避けに #define endk '\n' // coutによるpairの出力(空白区切り) template <typename T1, typename T2> ostream &operator<<(ostream &s, const pair<T1, T2> &p) { return s << "(" << p.first << " " << p.second << ")"; } // coutによるvectorの出力(空白区切り) template <typename T> ostream &operator<<(ostream &s, const vector<T> &v) { int len = v.size(); for (int i = 0; i < len; ++i) { s << v[i]; if (i < len - 1) s << " "; //"\t"に変えるとTabで見やすく区切る } return s; } // coutによる多次元vectorの出力(空白区切り) template <typename T> ostream &operator<<(ostream &s, const vector<vector<T>> &vv) { int len = vv.size(); for (int i = 0; i < len; ++i) { s << vv[i] << endl; } return s; } // 最大値、最小値の更新。更新したor等しければtrueを返す template <typename T> bool chmax(T &a, T b) { return (a = max(a, b)) == b; } template <typename T> bool chmin(T &a, T b) { return (a = min(a, b)) == b; } // 4近傍(上下左右) rep(i, 2) にすると右・下だけに進む vector<int> dx_4 = {1, 0, -1, 0}; vector<int> dy_4 = {0, 1, 0, -1}; // -------- template end - // // - library ------------- // ll ans = 0; // existence[i][j][k] := S[i]の [j]文字目以降に アルファベット[k:a~z] // が何個あるか vector<vector<vector<ll>>> existence; // Trie 木 // O(|S|) で文字列を挿入する // O(max(Trie木に入っている文字列 & 検索キーとなる文字列) ) // なので、検索キー文字列が長くても、辞書内の文字列が短ければすぐ終わる // ex)天下一2016-C たんごたくさん メモリ領域は最悪でも // max(|S|)*(文字種数)*(文字種数)+(文字列数) か? Trie<26, 'a'> trie; // などとして構築 void insert(str word); 文字列の挿入 bool // search(str word); 指定した文字列そのものがあるか bool // search_prefix(str prefix); 指定したprefixを持つ文字列があるか int // word_count(); 挿入した単語の数 int node_count(); // 頂点の総数(根を含む) accept // 変数を使えば、条件に沿う文字列が「いくつあるか」への変更は容易と思われる template <int char_size, int base> struct Trie { struct Node { // 頂点の構造体を定義 vector<int> next; // 子の頂点番号を格納。存在しなければ-1 // next[c] := 次の文字が c となる子頂点の頂点番号 vector<int> accept; // 末端がこの頂点になる文字列の str_id を保存 // str_id := その文字列が何番目に入ったか(0-indexed) int c; // base からの間隔をint型で表現したもの int common; // いくつの文字列がこの頂点を共有しているか(根は全員が共有) Node(int c_) : c(c_), common(0) { // <- なぜ0で生成? 1では? next.assign(char_size, -1); // 生成時は子がいないので、next[全文字種] = -1 } }; vector<Node> nodes; // trie 木本体 int root; // 根(の頂点番号か? // と思いきや、Node(root)としているから、頂点の文字種になっちゃってないか? // どういうこと?) Trie() : root(0) { // 初期化。はじめは根しか無い nodes.push_back(Node(root)); // rootノード.cが0とはどういうことか? // 文字種'a'ってことになっちゃわないか? } // 単語を追加 ※使う時は、void insert(const string &word) の方を使う void insert(const string &word, int word_id) { // 単語:str と 単語の番号: str_id int node_id = 0; // 今見ている頂点番号 最初は根(0) // 今の頂点から、次の頂点(子)を探す // 深さ1辿るごとに必ず1文字進むので、文字数と同じ回数ループすれば良い for (int i = 0; i < (int)word.size(); i++) { int c = (int)(word[i] - base); // i文字目(0-indexed)を探す // 今の頂点の子の中で、次に文字種cが来る頂点番号(-1なら更新したいので参照渡し) int &next_id = nodes[node_id].next[c]; if (next_id == -1) { // 次の頂点が存在しなければ追加 next_id = (int)nodes.size(); // 現在ある頂点数 = 新しい頂点の頂点番号 nodes.push_back(Node(c)); // 文字種 c の頂点を追加 } ++nodes[node_id].common; // 今の頂点を共有する文字列を1つ増やす node_id = next_id; // 次の頂点(子)に移動 } // 最後の頂点(最後の文字)の処理を忘れずに行う ++nodes[node_id].common; nodes[node_id].accept.push_back( word_id); // 単語の終端なので、頂点に番号を入れておく } void insert(const string &word) { insert(word, nodes[0] .common); // 根を共有する文字列の数 = 挿入済みの文字列数 = str_id } // 単語 もしくは prefixの検索 // 第二引数として 今回見始めるのは何文字目(0-indexed)からかを渡す vector<int> search(const string &word, int s_idx) { vector<int> res; // 見つけた単語のstr_id int node_id = 0; // 今見ている頂点番号 最初は根(0) // 今の頂点から、次の頂点(子)を探す // 深さ1辿るごとに必ず1文字進むので、文字数と同じ回数ループすれば良い for (int i = s_idx; i < (int)word.size(); i++) { int c = (int)(word[i] - base); int &next_id = nodes[node_id].next[c]; if (next_id == -1) { // 次の頂点が存在しなければ終了 return res; } node_id = next_id; // ここで次の頂点に移っているので、ここで文字列が見つかったか判定する for (int id_found : nodes[node_id].accept) res.p_b(id_found); } return res; } // 挿入した単語の数 int word_count() const { return (nodes[0].common); } // Trie木のノード数 int node_count() const { return ((int)nodes.size()); } }; // --------- library end - // int main() { ll N = il(); // existence[i][j][k] := S[i]の [j]文字目以降に アルファベット[k:a~z] // が何個あるか [i][len] の部分には番兵が入っている existence = vector<vector<vector<ll>>>(N, vector<vector<ll>>()); vector<string> ss; rep(i, N) { ss.push_back(is()); reverse(begin_end(ss[i])); existence[i] = vector<vector<ll>>(SZ(ss[i]) + 1, vector<ll>(26, 0)); } // existence の前計算 rep(i, N) { DREP(j, SZ(ss[i]) - 1, -1) { // j : SZ(ss[i])-1 ~ 0 rep(k, 26) { existence[i][j][k] = existence[i][j + 1][k]; } existence[i][j][ss[i][j] - 'a'] += 1; } } // Trie木を構築 Trie<26, 'a'> trie; rep(i, N) trie.insert(ss[i]); // S[i] を用いて作れる S[i] 以外の文字列がいくつあるか を各iについて見ていく // Trie木の search() を今回用に改造するのは大変そうなので、データだけ利用する rep(i, N) { int node = 0; // 今見ている prefix の末尾 rep(j, SZ(ss[i])) { // j : 0 ~ Siの長さ - 1 // 「1文字はprefixから離れていてもいい」という1文字について判定するために、「Siのj文字目以降に存在する文字」について判定してループするが、その // j 文字目 を表す(0-indexed) rep(k, 26) { // k : 0 ~ 25 (a ~ z) // trie.nodes[node].next[k]が-1 // でなければ、S[i]以外に、j文字目に文字種kが入っているものがあることが分かる // また、その頂点の.acceptが1つ以上あれば、そこで単語が終わっている=一致する単語があるということが分かる if (existence[i][j][k] > 0 && trie.nodes[node].next[k] != -1 && SZ(trie.nodes[trie.nodes[node].next[k]].accept) > 0) { ans++; } } // 次の文字に移る(次はj文字目をprefixに入れる) if (trie.nodes[node].next[ss[i][j] - 'a'] == -1) break; else node = trie.nodes[node].next[ss[i][j] - 'a']; } } ans -= N; // 各ループで自分自身も検出しているので、それを引く cout << ans << endk; }
replace
241
249
241
245
0
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int ALPHABET_SIZE = 26; int glob_ans = 0; int trie[1000001][26]; std::vector<int> v[200000]; int term[200000] = {0}; int nxt = 1; void insert(string key, int k) { int i, lvl = 0; for (i = 0; i < key.size(); i++) { v[k].push_back(lvl); if (trie[lvl][key[i] - 'a'] == 0) { trie[lvl][key[i] - 'a'] = nxt++; } lvl = trie[lvl][key[i] - 'a']; } term[lvl]++; } int main() { int i, j, n; cin >> n; string arr[n]; for (i = 0; i < n; i++) cin >> arr[i]; for (i = 0; i < n; i++) { reverse(arr[i].begin(), arr[i].end()); insert(arr[i], i); } int ans = 0; for (i = 0; i < n; i++) { set<int> st; for (int j = (int)arr[i].size() - 1; j >= 0; j--) { int node = v[i][j]; st.insert(arr[i][j] - 'a'); for (int c = 0; c < ALPHABET_SIZE; c++) if (st.find(c) != st.end() && term[trie[node][c]]) ans++; } } cout << ans - n << endl; }
#include <bits/stdc++.h> using namespace std; const int ALPHABET_SIZE = 26; int glob_ans = 0; int trie[1000001][26]; std::vector<int> v[200000]; int term[1000001] = {0}; int nxt = 1; void insert(string key, int k) { int i, lvl = 0; for (i = 0; i < key.size(); i++) { v[k].push_back(lvl); if (trie[lvl][key[i] - 'a'] == 0) { trie[lvl][key[i] - 'a'] = nxt++; } lvl = trie[lvl][key[i] - 'a']; } term[lvl]++; } int main() { int i, j, n; cin >> n; string arr[n]; for (i = 0; i < n; i++) cin >> arr[i]; for (i = 0; i < n; i++) { reverse(arr[i].begin(), arr[i].end()); insert(arr[i], i); } int ans = 0; for (i = 0; i < n; i++) { set<int> st; for (int j = (int)arr[i].size() - 1; j >= 0; j--) { int node = v[i][j]; st.insert(arr[i][j] - 'a'); for (int c = 0; c < ALPHABET_SIZE; c++) if (st.find(c) != st.end() && term[trie[node][c]]) ans++; } } cout << ans - n << endl; }
replace
8
9
8
9
-11
p02589
C++
Runtime Error
// #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") // #pragma GCC target("avx2") // 293206GT #include <algorithm> #include <algorithm> #include <bitset> #include <chrono> #include <cmath> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> typedef long long ll; #define int ll using namespace std; #define put(a) cout << (a) << '\n' #define sqr(x) (x) * (x) typedef pair<int, int> pii; typedef long double ld; typedef pair<ld, ld> pld; typedef unsigned long long ull; typedef vector<int> vi; typedef vector<pii> vpii; #define rep(x, y, a) for (int x = (y); x < (int)(a); ++x) #define all(a) a.begin(), a.end() #define chkmax(a, b) a = max(a, (b)) #define chkmin(a, b) a = min(a, (b)) namespace IO { template <class A, class B> ostream &operator<<(ostream &out, vector<pair<A, B>> a); template <class A> ostream &operator<<(ostream &out, vector<A> a); template <class A, class B> ostream &operator<<(ostream &out, pair<A, B> a) { out << a.first << " " << a.second; return out; } template <class A, class B> ostream &operator<<(ostream &out, vector<pair<A, B>> a) { for (pair<A, B> x : a) out << x.first << " " << x.second << '\n'; return out; } template <class A> ostream &operator<<(ostream &out, vector<A> a) { for (A x : a) out << x << ' '; return out; } template <class A, class B> istream &operator>>(istream &in, pair<A, B> &a) { in >> a.first >> a.second; return in; } template <class A> istream &operator>>(istream &in, vector<A> &a) { for (A &x : a) in >> x; return in; } } // namespace IO using namespace IO; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); struct Node { vector<int> next; int is_term; Node() { next.resize(26); next.assign(26, -1); is_term = 0; } }; const int N = 1e6 + 3e5; // const int N = 13; vector<Node> trie(N); int sz = 0; void add(string s) { int v = 0; for (char c2 : s) { char c = c2 - 'a'; if (trie[v].next[c] == -1) { trie[v].next[c] = ++sz; } v = trie[v].next[c]; } ++trie[v].is_term; } void solve() { int n; cin >> n; vector<string> s(n); cin >> s; rep(i, 0, n) { reverse(all(s[i])); add(s[i]); } int ans = 0; rep(i, 0, n) { int v = 0; vi cnt(26); rep(j, 0, s[i].size())++ cnt[s[i][j] - 'a']; rep(j, 0, s[i].size()) { rep(k, 0, 26) { if (trie[v].next[k] != -1 && cnt[k]) ans += trie[trie[v].next[k]].is_term; } v = trie[v].next[s[i][j] - 'a']; --cnt[s[i][j]]; } } put(ans - n); } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cout.precision(30); // freopen("input.txt", "r", stdin); int q = 1; // cin >> q; while (q--) solve(); }
// #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") // #pragma GCC target("avx2") // 293206GT #include <algorithm> #include <algorithm> #include <bitset> #include <chrono> #include <cmath> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> typedef long long ll; #define int ll using namespace std; #define put(a) cout << (a) << '\n' #define sqr(x) (x) * (x) typedef pair<int, int> pii; typedef long double ld; typedef pair<ld, ld> pld; typedef unsigned long long ull; typedef vector<int> vi; typedef vector<pii> vpii; #define rep(x, y, a) for (int x = (y); x < (int)(a); ++x) #define all(a) a.begin(), a.end() #define chkmax(a, b) a = max(a, (b)) #define chkmin(a, b) a = min(a, (b)) namespace IO { template <class A, class B> ostream &operator<<(ostream &out, vector<pair<A, B>> a); template <class A> ostream &operator<<(ostream &out, vector<A> a); template <class A, class B> ostream &operator<<(ostream &out, pair<A, B> a) { out << a.first << " " << a.second; return out; } template <class A, class B> ostream &operator<<(ostream &out, vector<pair<A, B>> a) { for (pair<A, B> x : a) out << x.first << " " << x.second << '\n'; return out; } template <class A> ostream &operator<<(ostream &out, vector<A> a) { for (A x : a) out << x << ' '; return out; } template <class A, class B> istream &operator>>(istream &in, pair<A, B> &a) { in >> a.first >> a.second; return in; } template <class A> istream &operator>>(istream &in, vector<A> &a) { for (A &x : a) in >> x; return in; } } // namespace IO using namespace IO; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); struct Node { vector<int> next; int is_term; Node() { next.resize(26); next.assign(26, -1); is_term = 0; } }; const int N = 1e6 + 3e5; // const int N = 13; vector<Node> trie(N); int sz = 0; void add(string s) { int v = 0; for (char c2 : s) { char c = c2 - 'a'; if (trie[v].next[c] == -1) { trie[v].next[c] = ++sz; } v = trie[v].next[c]; } ++trie[v].is_term; } void solve() { int n; cin >> n; vector<string> s(n); cin >> s; rep(i, 0, n) { reverse(all(s[i])); add(s[i]); } int ans = 0; rep(i, 0, n) { int v = 0; vi cnt(26); rep(j, 0, s[i].size())++ cnt[s[i][j] - 'a']; rep(j, 0, s[i].size()) { rep(k, 0, 26) { if (trie[v].next[k] != -1 && cnt[k]) ans += trie[trie[v].next[k]].is_term; } v = trie[v].next[s[i][j] - 'a']; --cnt[s[i][j] - 'a']; } } put(ans - n); } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cout.precision(30); // freopen("input.txt", "r", stdin); int q = 1; // cin >> q; while (q--) solve(); }
replace
121
122
121
122
-6
terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc
p02589
C++
Time Limit Exceeded
#pragma region header // #pragma GCC optimize("Ofast") #include <bits/stdc++.h> #define all(a) begin(a), end(a) #define rall(a) rbegin(a), rend(a) #define mp make_pair #define mt make_tuple #define rep1(i, n) for (decltype(+n) i = 0; i < (n); i++) #define rrep1(i, n) for (auto i = n - 1; i > static_cast<decltype(i)>(-1); i--) #define rep2(i, a, b) for (auto i = (a); i < (b); i++) #define rrep2(i, a, b) for (auto i = b - 1; i >= a; i--) #define GET_MACRO(_1, _2, _3, NAME, ...) NAME #define rep(...) GET_MACRO(__VA_ARGS__, rep2, rep1)(__VA_ARGS__) #define rrep(...) GET_MACRO(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define each(i, a) for (auto &&i : (a)) using namespace std; using ld = long double; using vi = vector<int>; using vvi = vector<vi>; using vs = vector<string>; using vvs = vector<vs>; using vd = vector<ld>; using vvd = vector<vd>; using vb = vector<bool>; using vvb = vector<vb>; using pii = pair<int, int>; using vp = vector<pii>; using vvp = vector<vp>; using mii = map<int, int>; using vm = vector<mii>; using vvm = vector<vm>; template <class T, class U> using umap = unordered_map<T, U>; using umii = umap<int, int>; using seti = set<int>; template <class T> using uset = unordered_set<T>; using useti = uset<int>; template <class T> using less_queue = priority_queue<T>; template <class T> using greater_queue = priority_queue<T, vector<T>, greater<T>>; template <class T> void SORT(T &a) { stable_sort(all(a)); } template <class T> void RSORT(T &a) { stable_sort(rall(a)); } template <class T> void rev(T &a) { reverse(rall(a)); } template <class T> void uniq(T &a) { a.erase(unique(all(a)), end(a)); } template <class T> auto min_of(T a) { return *min_element(all(a)); } template <class T> auto max_of(T a) { return *max_element(all(a)); } template <class T> int sum_of(T a) { return accumulate(all(a), 0ll); } template <class T, class U> auto sum_of(T a, U init) { return accumulate(all(a), init); } template <class T, class U> int count_of(T a, U i) { return count(all(a), i); } template <class T, class U> bool has(T a, U i) { return find(all(a), i) != end(a); } template <class T> int sz(T a) { return a.size(); }; template <class T> void COUT(T x) { cout << x << endl; } template <class T, class U> void COUT(T x, U y) { cout << x << ' ' << y << endl; } template <class T, class U, class V> void COUT(T x, U y, V z) { cout << x << ' ' << y << ' ' << z << endl; } template <class T> void CSP(T x) { cout << x << ' '; } template <class T> void CVEC(T v) { int c = v.size() - 1; for (size_t i = 0; i < c; i++) cout << v[i] << ' '; if (c > -1) cout << v[c]; cout << endl; } template <class T> bool amin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; } template <class T> bool amax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } constexpr int lshift(int x) noexcept { return 1ll << x; } constexpr int popcount(unsigned int x) noexcept { return __builtin_popcountll(x); } constexpr int least1(unsigned int x) noexcept { return __builtin_ffsll(x); } constexpr int ceil_div(int x, int y) noexcept { return (x - 1) / y + 1; } #pragma endregion header struct rolling_hash { static const uint64_t mod = (1ull << 61ull) - 1; using uint128_t = __uint128_t; vector<uint64_t> hashed; static vector<uint64_t> power; const uint64_t base; static inline uint64_t add(uint64_t a, uint64_t b) { if ((a += b) >= mod) a -= mod; return a; } static inline uint64_t mul(uint64_t a, uint64_t b) { uint128_t c = (uint128_t)a * b; return add(c >> 61, c & mod); } static inline uint64_t generate_base() { mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); uniform_int_distribution<uint64_t> rand(1, rolling_hash::mod - 1); return rand(mt); } static void init_power(size_t sz, uint64_t base) { power.assign(sz + 1, 0); power[0] = 1; for (int i = 0; i < sz; i++) power[i + 1] = mul(power[i], base); } rolling_hash() = default; rolling_hash(const string &s, uint64_t base) : base(base) { size_t sz = s.size(); hashed.assign(sz + 1, 0); for (int i = 0; i < sz; i++) { hashed[i + 1] = add(mul(hashed[i], base), s[i]); } } template <typename T> rolling_hash(const vector<T> &s, uint64_t base) : base(base) { size_t sz = s.size(); hashed.assign(sz + 1, 0); for (int i = 0; i < sz; i++) { hashed[i + 1] = add(mul(hashed[i], base), s[i]); } } uint64_t query(int l, int r) const { return add(hashed[r], mod - mul(hashed[l], power[r - l])); } static inline uint64_t combine(uint64_t h1, uint64_t h2, size_t h2len) { return add(mul(h1, power[h2len]), h2); } int lcp(const rolling_hash &b, int l1, int r1, int l2, int r2) const { assert(base == b.base); int len = min(r1 - l1, r2 - l2); int low = 0, high = len + 1; while (high - low > 1) { int mid = (low + high) / 2; if (query(l1, l1 + mid) == b.query(l2, l2 + mid)) low = mid; else high = mid; } return low; } }; vector<uint64_t> rolling_hash::power; /* auto rh_base = rolling_hash::generate_base(); rolling_hash::init_power(1000000, rh_base); */ void solve(int n, vector<string> s) { auto rh_base = rolling_hash::generate_base(); rolling_hash::init_power(1000000, rh_base); vector<u_int64_t> as(26); rep(i, 26) as[i] = rolling_hash(string(1, 'a' + i), rh_base).query(0, 1); umap<u_int64_t, int> hs; vector<rolling_hash> rhs; each(x, s) { rolling_hash rh(x, rh_base); rhs.push_back(rh); hs[rh.query(0, sz(x))]++; } int ans = 0; rep(i, n) { string x = s[i]; int l = sz(x); rolling_hash rh = rhs[i]; int cm = 0; rep(j, l) { cm |= lshift(x[j] - 'a'); auto h = rh.query(j + 1, l); int l2 = l - j - 1; rep(k, 26) { if ((cm >> k) & 1) { auto kh = rolling_hash::combine(as[k], h, l2); ans += hs[kh]; } } } } COUT(ans - n); } #pragma region main signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout << fixed << setprecision(15); int n; cin >> n; vector<string> s(n); for (int i = 0; i < n; i++) { cin >> s[i]; } solve(n, move(s)); } #pragma endregion main
#pragma region header // #pragma GCC optimize("Ofast") #include <bits/stdc++.h> #define all(a) begin(a), end(a) #define rall(a) rbegin(a), rend(a) #define mp make_pair #define mt make_tuple #define rep1(i, n) for (decltype(+n) i = 0; i < (n); i++) #define rrep1(i, n) for (auto i = n - 1; i > static_cast<decltype(i)>(-1); i--) #define rep2(i, a, b) for (auto i = (a); i < (b); i++) #define rrep2(i, a, b) for (auto i = b - 1; i >= a; i--) #define GET_MACRO(_1, _2, _3, NAME, ...) NAME #define rep(...) GET_MACRO(__VA_ARGS__, rep2, rep1)(__VA_ARGS__) #define rrep(...) GET_MACRO(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define each(i, a) for (auto &&i : (a)) using namespace std; using ld = long double; using vi = vector<int>; using vvi = vector<vi>; using vs = vector<string>; using vvs = vector<vs>; using vd = vector<ld>; using vvd = vector<vd>; using vb = vector<bool>; using vvb = vector<vb>; using pii = pair<int, int>; using vp = vector<pii>; using vvp = vector<vp>; using mii = map<int, int>; using vm = vector<mii>; using vvm = vector<vm>; template <class T, class U> using umap = unordered_map<T, U>; using umii = umap<int, int>; using seti = set<int>; template <class T> using uset = unordered_set<T>; using useti = uset<int>; template <class T> using less_queue = priority_queue<T>; template <class T> using greater_queue = priority_queue<T, vector<T>, greater<T>>; template <class T> void SORT(T &a) { stable_sort(all(a)); } template <class T> void RSORT(T &a) { stable_sort(rall(a)); } template <class T> void rev(T &a) { reverse(rall(a)); } template <class T> void uniq(T &a) { a.erase(unique(all(a)), end(a)); } template <class T> auto min_of(T a) { return *min_element(all(a)); } template <class T> auto max_of(T a) { return *max_element(all(a)); } template <class T> int sum_of(T a) { return accumulate(all(a), 0ll); } template <class T, class U> auto sum_of(T a, U init) { return accumulate(all(a), init); } template <class T, class U> int count_of(T a, U i) { return count(all(a), i); } template <class T, class U> bool has(T a, U i) { return find(all(a), i) != end(a); } template <class T> int sz(T a) { return a.size(); }; template <class T> void COUT(T x) { cout << x << endl; } template <class T, class U> void COUT(T x, U y) { cout << x << ' ' << y << endl; } template <class T, class U, class V> void COUT(T x, U y, V z) { cout << x << ' ' << y << ' ' << z << endl; } template <class T> void CSP(T x) { cout << x << ' '; } template <class T> void CVEC(T v) { int c = v.size() - 1; for (size_t i = 0; i < c; i++) cout << v[i] << ' '; if (c > -1) cout << v[c]; cout << endl; } template <class T> bool amin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; } template <class T> bool amax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } constexpr int lshift(int x) noexcept { return 1ll << x; } constexpr int popcount(unsigned int x) noexcept { return __builtin_popcountll(x); } constexpr int least1(unsigned int x) noexcept { return __builtin_ffsll(x); } constexpr int ceil_div(int x, int y) noexcept { return (x - 1) / y + 1; } #pragma endregion header struct rolling_hash { static const uint64_t mod = (1ull << 61ull) - 1; using uint128_t = __uint128_t; vector<uint64_t> hashed; static vector<uint64_t> power; const uint64_t base; static inline uint64_t add(uint64_t a, uint64_t b) { if ((a += b) >= mod) a -= mod; return a; } static inline uint64_t mul(uint64_t a, uint64_t b) { uint128_t c = (uint128_t)a * b; return add(c >> 61, c & mod); } static inline uint64_t generate_base() { mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); uniform_int_distribution<uint64_t> rand(1, rolling_hash::mod - 1); return rand(mt); } static void init_power(size_t sz, uint64_t base) { power.assign(sz + 1, 0); power[0] = 1; for (int i = 0; i < sz; i++) power[i + 1] = mul(power[i], base); } rolling_hash() = default; rolling_hash(const string &s, uint64_t base) : base(base) { size_t sz = s.size(); hashed.assign(sz + 1, 0); for (int i = 0; i < sz; i++) { hashed[i + 1] = add(mul(hashed[i], base), s[i]); } } template <typename T> rolling_hash(const vector<T> &s, uint64_t base) : base(base) { size_t sz = s.size(); hashed.assign(sz + 1, 0); for (int i = 0; i < sz; i++) { hashed[i + 1] = add(mul(hashed[i], base), s[i]); } } uint64_t query(int l, int r) const { return add(hashed[r], mod - mul(hashed[l], power[r - l])); } static inline uint64_t combine(uint64_t h1, uint64_t h2, size_t h2len) { return add(mul(h1, power[h2len]), h2); } int lcp(const rolling_hash &b, int l1, int r1, int l2, int r2) const { assert(base == b.base); int len = min(r1 - l1, r2 - l2); int low = 0, high = len + 1; while (high - low > 1) { int mid = (low + high) / 2; if (query(l1, l1 + mid) == b.query(l2, l2 + mid)) low = mid; else high = mid; } return low; } }; vector<uint64_t> rolling_hash::power; /* auto rh_base = rolling_hash::generate_base(); rolling_hash::init_power(1000000, rh_base); */ void solve(int n, vector<string> s) { auto rh_base = rolling_hash::generate_base(); rolling_hash::init_power(1000000, rh_base); vector<u_int64_t> as(26); rep(i, 26) as[i] = rolling_hash(string(1, 'a' + i), rh_base).query(0, 1); umap<u_int64_t, int> hs; vector<rolling_hash> rhs; each(x, s) { rolling_hash rh(x, rh_base); rhs.push_back(rh); hs[rh.query(0, sz(x))]++; } int ans = 0; rep(i, n) { string x = s[i]; int l = sz(x); rolling_hash rh = rhs[i]; int cm = 0; rep(j, l) { cm |= lshift(x[j] - 'a'); auto h = rh.query(j + 1, l); int l2 = l - j - 1; rep(k, 26) { if ((cm >> k) & 1) { auto it = hs.find(rolling_hash::combine(as[k], h, l2)); if (it != hs.end()) ans += it->second; } } } } COUT(ans - n); } #pragma region main signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout << fixed << setprecision(15); int n; cin >> n; vector<string> s(n); for (int i = 0; i < n; i++) { cin >> s[i]; } solve(n, move(s)); } #pragma endregion main
replace
200
202
200
203
TLE
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; /* #if __has_include(<boost/multiprecision/cpp_int.hpp>) #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using bll = boost::multiprecision::cpp_int; using bdouble = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<100>>; using namespace boost::multiprecision; #endif */ #ifdef LOCAL_TEST #define BOOST_STACKTRACE_USE_ADDR2LINE #define BOOST_STACKTRACE_ADDR2LINE_LOCATION \ / usr / local / opt / binutils / bin / addr2line #define _GNU_SOURCE 1 #include <boost/stacktrace.hpp> namespace std { template <typename T> class dvector : public std::vector<T> { public: dvector() : std::vector<T>() {} explicit dvector(size_t n, const T &value = T()) : std::vector<T>(n, value) {} dvector(const std::vector<T> &v) : std::vector<T>(v) {} dvector(const std::initializer_list<T> il) : std::vector<T>(il) {} dvector(const std::string::iterator first, const std::string::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::iterator first, const typename std::vector<T>::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::reverse_iterator first, const typename std::vector<T>::reverse_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_iterator first, const typename std::vector<T>::const_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_reverse_iterator first, const typename std::vector<T>::const_reverse_iterator last) : std::vector<T>(first, last) {} T &operator[](size_t n) { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } const T &operator[](size_t n) const { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } }; } // namespace std class dbool { private: bool boolvalue; public: dbool() : boolvalue(false) {} dbool(bool b) : boolvalue(b) {} operator bool &() { return boolvalue; } operator const bool &() const { return boolvalue; } }; #define vector dvector #define bool dbool class SIGFPE_exception : std::exception {}; class SIGSEGV_exception : std::exception {}; void catch_SIGFPE([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGFPE_exception(); } void catch_SIGSEGV([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGSEGV_exception(); } signed convertedmain(); signed main() { signal(SIGFPE, catch_SIGFPE); signal(SIGSEGV, catch_SIGSEGV); return convertedmain(); } #define main() convertedmain() #endif #ifdef LOCAL_DEV template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<std::vector<T>> &vv) { s << "\\\n"; for (size_t i = 0; i < vv.size(); ++i) { s << vv[i] << "\n"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::deque<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::set<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::multiset<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T, size_t N> std::ostream &operator<<(std::ostream &s, const std::array<T, N> &a) { s << "{ "; for (size_t i = 0; i < N; ++i) { s << a[i] << "\t"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::map<T1, T2> &m) { s << "{\n"; for (auto itr = m.begin(); itr != m.end(); ++itr) { s << "\t" << (*itr).first << " : " << (*itr).second << "\n"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::pair<T1, T2> &p) { return s << "(" << p.first << ", " << p.second << ")"; } void debug_impl() { std::cerr << '\n'; } template <typename Head, typename... Tail> void debug_impl(Head head, Tail... tail) { std::cerr << " " << head << (sizeof...(tail) ? "," : ""); debug_impl(tail...); } #define debug(...) \ do { \ std::cerr << "(" << #__VA_ARGS__ << ") ="; \ debug_impl(__VA_ARGS__); \ } while (false) #else #define debug(...) \ do { \ } while (false) #endif // #define int long long using ll = long long; // constexpr int INF = (ll)1e9 + 7;//INT_MAX=(1<<31)-1=2147483647 constexpr ll INF = (ll)1e18; //(1LL<<63)-1=9223372036854775807 constexpr ll MOD = (ll)1e9 + 7; constexpr double EPS = 1e-9; constexpr ll dx[4] = {1, 0, -1, 0}; constexpr ll dy[4] = {0, 1, 0, -1}; constexpr ll dx8[8] = {1, 0, -1, 0, 1, 1, -1, -1}; constexpr ll dy8[8] = {0, 1, 0, -1, 1, -1, 1, -1}; #define rep(i, n) for (ll i = 0, i##_length = (n); i < i##_length; ++i) #define repeq(i, n) for (ll i = 1, i##_length = (n); i <= i##_length; ++i) #define rrep(i, n) for (ll i = (n)-1; i >= 0; --i) #define rrepeq(i, n) for (ll i = (n); i >= 1; --i) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() void p() { std::cout << '\n'; } template <typename Head, typename... Tail> void p(Head head, Tail... tail) { std::cout << head << (sizeof...(tail) ? " " : ""); p(tail...); } template <typename T> inline void pv(std::vector<T> &v) { for (ll i = 0, N = v.size(); i < N; i++) std::cout << v[i] << " \n"[i == N - 1]; } template <typename T> inline bool chmax(T &a, T b) { return a < b && (a = b, true); } template <typename T> inline bool chmin(T &a, T b) { return a > b && (a = b, true); } template <typename T> inline void uniq(std::vector<T> &v) { v.erase(std::unique(v.begin(), v.end()), v.end()); } /*-----8<-----template-----8<-----*/ template <ll char_size> class TrieNode { public: ll nxt[char_size]; ll exist; vector<ll> accept; TrieNode() : exist(0) { memset(nxt, -1, sizeof(nxt)); } }; /* あるノードの配下の全てのノードには自身に対応する文字列に共通するプレフィックスがあり, ルートには空の文字列が対応している。 計算量:  add O(|S|)  query O(|S|) exist は子供以下に追加された文字列の個数, accept はそのノードにマッチする全ての追加された文字列の番号が格納される。 Trie< char_size, margin >():  文字列の種類数 char_size, 開始文字が margin のトライ木を作成する。 add(S): 文字列 S をトライ木に追加する query(S, f): 文字列 S のプレフィックスに一致する文字列を検索する。  一致した文字列ごとに関数 f が呼び出される。 size(): ノード数を返す count(): 存在する文字列の個数を返す */ template <ll char_size, ll margin> class Trie { public: using Node = TrieNode<char_size>; vector<Node> nodes; ll root; Trie() : root(0) { nodes.push_back(Node()); } void update_direct(ll node, ll id) { nodes[node].accept.push_back(id); } void update_child(ll node, [[maybe_unused]] ll child, [[maybe_unused]] ll id) { ++nodes[node].exist; } void add(const string &str, ll str_index, ll node_index, ll id) { if (str_index == (ll)str.size()) { update_direct(node_index, id); } else { const ll c = str[str_index] - margin; if (nodes[node_index].nxt[c] == -1) { nodes[node_index].nxt[c] = (ll)nodes.size(); nodes.push_back(Node()); } add(str, str_index + 1, nodes[node_index].nxt[c], id); update_child(node_index, nodes[node_index].nxt[c], id); } } void add(const string &str, ll id) { add(str, 0, 0, id); } void add(const string &str) { add(str, nodes[0].exist); } template <typename F> void query(const string &str, const F &f, ll str_index, ll node_index) { for (auto &idx : nodes[node_index].accept) f(idx); if (str_index == (ll)str.size()) { return; } else { const ll c = str[str_index] - margin; if (nodes[node_index].nxt[c] == -1) return; query(str, f, str_index + 1, nodes[node_index].nxt[c]); } } template <typename F> void query(const string &str, const F &f) { query(str, f, 0, 0); } ll count() const { return (nodes[0].exist); } size_t size() const { return nodes.size(); } }; /*-----8<-----library-----8<-----*/ void solve() { ll N; cin >> N; vector<string> a(N); rep(i, N) { cin >> a[i]; reverse(all(a[i])); } /* ll N=2; vector<string> a(N); rep(i,N){ string t(1e6,'a'); if(i==0)t+='b'; a[i]=t; } */ sort(a.begin(), a.end(), [](const string &x, const string &y) { return x.size() > y.size(); }); vector<vector<ll>> pos(N, vector<ll>(26, -INF)); rep(i, N) { rep(j, a[i].size()) chmax(pos[i][a[i][j] - 'a'], j); } Trie<26, 'a'> trie; rep(i, N) { if (a[i].size() == (size_t)1) continue; string t = a[i].substr(0, a[i].size() - 1); trie.add(t); } ll ans = 0; rep(i, N) { if (a[i].size() == (size_t)1) continue; // index = trie木に追加した単語のindex auto update = [&](ll index) { debug(i, index); if (index == i) return; ll x = a[index].back() - 'a'; if (pos[i][x] >= (ll)(a[index].size()) - 1) ans++; }; // Sのi文字目から一致する単語それぞれに対して関数 update が呼ばれる debug(a[i]); trie.query(a[i], update, 0, 0); } debug(ans); vector<ll> c(26, 0); rep(i, N) { if (a[i].size() != (size_t)1) continue; c[a[i][0] - 'a']++; } rep(i, N) { if (a[i].size() == (size_t)1) continue; vector<ll> t(26, false); rep(j, a[i].size()) t[a[i][j] - 'a'] = true; rep(j, 26) { if (t[j]) ans += c[j]; } } p(ans); } #define BEGIN_STACK_EXTEND \ int size = 128 * 1024 * 1024; \ void *stack_extend_memory_ = malloc(size); \ void *stack_extend_origin_memory_; \ char *stack_extend_dummy_memory_ = (char *)alloca( \ (1 + (int)(((long long)stack_extend_memory_) & 127)) * 16); \ *stack_extend_dummy_memory_ = 0; \ asm volatile("mov %%rsp, %%rbx\nmov %%rax, %%rsp" \ : "=b"(stack_extend_origin_memory_) \ : "a"((char *)stack_extend_memory_ + (size)-1024)); #define END_STACK_EXTEND \ asm volatile("mov %%rax, %%rsp" ::"a"(stack_extend_origin_memory_)); \ free(stack_extend_memory_); signed main() { BEGIN_STACK_EXTEND std::cin.tie(0); ios::sync_with_stdio(false); // ll Q; cin >> Q; while(Q--)solve(); solve(); END_STACK_EXTEND return 0; }
#include <bits/stdc++.h> using namespace std; /* #if __has_include(<boost/multiprecision/cpp_int.hpp>) #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using bll = boost::multiprecision::cpp_int; using bdouble = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<100>>; using namespace boost::multiprecision; #endif */ #ifdef LOCAL_TEST #define BOOST_STACKTRACE_USE_ADDR2LINE #define BOOST_STACKTRACE_ADDR2LINE_LOCATION \ / usr / local / opt / binutils / bin / addr2line #define _GNU_SOURCE 1 #include <boost/stacktrace.hpp> namespace std { template <typename T> class dvector : public std::vector<T> { public: dvector() : std::vector<T>() {} explicit dvector(size_t n, const T &value = T()) : std::vector<T>(n, value) {} dvector(const std::vector<T> &v) : std::vector<T>(v) {} dvector(const std::initializer_list<T> il) : std::vector<T>(il) {} dvector(const std::string::iterator first, const std::string::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::iterator first, const typename std::vector<T>::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::reverse_iterator first, const typename std::vector<T>::reverse_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_iterator first, const typename std::vector<T>::const_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_reverse_iterator first, const typename std::vector<T>::const_reverse_iterator last) : std::vector<T>(first, last) {} T &operator[](size_t n) { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } const T &operator[](size_t n) const { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } }; } // namespace std class dbool { private: bool boolvalue; public: dbool() : boolvalue(false) {} dbool(bool b) : boolvalue(b) {} operator bool &() { return boolvalue; } operator const bool &() const { return boolvalue; } }; #define vector dvector #define bool dbool class SIGFPE_exception : std::exception {}; class SIGSEGV_exception : std::exception {}; void catch_SIGFPE([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGFPE_exception(); } void catch_SIGSEGV([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGSEGV_exception(); } signed convertedmain(); signed main() { signal(SIGFPE, catch_SIGFPE); signal(SIGSEGV, catch_SIGSEGV); return convertedmain(); } #define main() convertedmain() #endif #ifdef LOCAL_DEV template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<std::vector<T>> &vv) { s << "\\\n"; for (size_t i = 0; i < vv.size(); ++i) { s << vv[i] << "\n"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::deque<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::set<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::multiset<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T, size_t N> std::ostream &operator<<(std::ostream &s, const std::array<T, N> &a) { s << "{ "; for (size_t i = 0; i < N; ++i) { s << a[i] << "\t"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::map<T1, T2> &m) { s << "{\n"; for (auto itr = m.begin(); itr != m.end(); ++itr) { s << "\t" << (*itr).first << " : " << (*itr).second << "\n"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::pair<T1, T2> &p) { return s << "(" << p.first << ", " << p.second << ")"; } void debug_impl() { std::cerr << '\n'; } template <typename Head, typename... Tail> void debug_impl(Head head, Tail... tail) { std::cerr << " " << head << (sizeof...(tail) ? "," : ""); debug_impl(tail...); } #define debug(...) \ do { \ std::cerr << "(" << #__VA_ARGS__ << ") ="; \ debug_impl(__VA_ARGS__); \ } while (false) #else #define debug(...) \ do { \ } while (false) #endif // #define int long long using ll = long long; // constexpr int INF = (ll)1e9 + 7;//INT_MAX=(1<<31)-1=2147483647 constexpr ll INF = (ll)1e18; //(1LL<<63)-1=9223372036854775807 constexpr ll MOD = (ll)1e9 + 7; constexpr double EPS = 1e-9; constexpr ll dx[4] = {1, 0, -1, 0}; constexpr ll dy[4] = {0, 1, 0, -1}; constexpr ll dx8[8] = {1, 0, -1, 0, 1, 1, -1, -1}; constexpr ll dy8[8] = {0, 1, 0, -1, 1, -1, 1, -1}; #define rep(i, n) for (ll i = 0, i##_length = (n); i < i##_length; ++i) #define repeq(i, n) for (ll i = 1, i##_length = (n); i <= i##_length; ++i) #define rrep(i, n) for (ll i = (n)-1; i >= 0; --i) #define rrepeq(i, n) for (ll i = (n); i >= 1; --i) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() void p() { std::cout << '\n'; } template <typename Head, typename... Tail> void p(Head head, Tail... tail) { std::cout << head << (sizeof...(tail) ? " " : ""); p(tail...); } template <typename T> inline void pv(std::vector<T> &v) { for (ll i = 0, N = v.size(); i < N; i++) std::cout << v[i] << " \n"[i == N - 1]; } template <typename T> inline bool chmax(T &a, T b) { return a < b && (a = b, true); } template <typename T> inline bool chmin(T &a, T b) { return a > b && (a = b, true); } template <typename T> inline void uniq(std::vector<T> &v) { v.erase(std::unique(v.begin(), v.end()), v.end()); } /*-----8<-----template-----8<-----*/ template <ll char_size> class TrieNode { public: ll nxt[char_size]; ll exist; vector<ll> accept; TrieNode() : exist(0) { memset(nxt, -1, sizeof(nxt)); } }; /* あるノードの配下の全てのノードには自身に対応する文字列に共通するプレフィックスがあり, ルートには空の文字列が対応している。 計算量:  add O(|S|)  query O(|S|) exist は子供以下に追加された文字列の個数, accept はそのノードにマッチする全ての追加された文字列の番号が格納される。 Trie< char_size, margin >():  文字列の種類数 char_size, 開始文字が margin のトライ木を作成する。 add(S): 文字列 S をトライ木に追加する query(S, f): 文字列 S のプレフィックスに一致する文字列を検索する。  一致した文字列ごとに関数 f が呼び出される。 size(): ノード数を返す count(): 存在する文字列の個数を返す */ template <ll char_size, ll margin> class Trie { public: using Node = TrieNode<char_size>; vector<Node> nodes; ll root; Trie() : root(0) { nodes.push_back(Node()); } void update_direct(ll node, ll id) { nodes[node].accept.push_back(id); } void update_child(ll node, [[maybe_unused]] ll child, [[maybe_unused]] ll id) { ++nodes[node].exist; } void add(const string &str, ll str_index, ll node_index, ll id) { if (str_index == (ll)str.size()) { update_direct(node_index, id); } else { const ll c = str[str_index] - margin; if (nodes[node_index].nxt[c] == -1) { nodes[node_index].nxt[c] = (ll)nodes.size(); nodes.push_back(Node()); } add(str, str_index + 1, nodes[node_index].nxt[c], id); update_child(node_index, nodes[node_index].nxt[c], id); } } void add(const string &str, ll id) { add(str, 0, 0, id); } void add(const string &str) { add(str, nodes[0].exist); } template <typename F> void query(const string &str, const F &f, ll str_index, ll node_index) { for (auto &idx : nodes[node_index].accept) f(idx); if (str_index == (ll)str.size()) { return; } else { const ll c = str[str_index] - margin; if (nodes[node_index].nxt[c] == -1) return; query(str, f, str_index + 1, nodes[node_index].nxt[c]); } } template <typename F> void query(const string &str, const F &f) { query(str, f, 0, 0); } ll count() const { return (nodes[0].exist); } size_t size() const { return nodes.size(); } }; /*-----8<-----library-----8<-----*/ void solve() { ll N; cin >> N; vector<string> a(N); rep(i, N) { cin >> a[i]; reverse(all(a[i])); } /* ll N=2; vector<string> a(N); rep(i,N){ string t(1e6,'a'); if(i==0)t+='b'; a[i]=t; } */ sort(a.begin(), a.end(), [](const string &x, const string &y) { return x.size() > y.size(); }); vector<vector<ll>> pos(N, vector<ll>(26, -INF)); rep(i, N) { rep(j, a[i].size()) chmax(pos[i][a[i][j] - 'a'], j); } Trie<26, 'a'> trie; rep(i, N) { if (a[i].size() == (size_t)1) continue; string t = a[i].substr(0, a[i].size() - 1); trie.add(t); } ll ans = 0; rep(i, N) { if (a[i].size() == (size_t)1) continue; // index = trie木に追加した単語のindex auto update = [&](ll index) { debug(i, index); if (index == i) return; ll x = a[index].back() - 'a'; if (pos[i][x] >= (ll)(a[index].size()) - 1) ans++; }; // Sのi文字目から一致する単語それぞれに対して関数 update が呼ばれる debug(a[i]); trie.query(a[i], update, 0, 0); } debug(ans); vector<ll> c(26, 0); rep(i, N) { if (a[i].size() != (size_t)1) continue; c[a[i][0] - 'a']++; } rep(i, N) { if (a[i].size() == (size_t)1) continue; vector<ll> t(26, false); rep(j, a[i].size()) t[a[i][j] - 'a'] = true; rep(j, 26) { if (t[j]) ans += c[j]; } } p(ans); } #define BEGIN_STACK_EXTEND \ int size = 1024 * 1024 * 1024; \ void *stack_extend_memory_ = malloc(size); \ void *stack_extend_origin_memory_; \ char *stack_extend_dummy_memory_ = (char *)alloca( \ (1 + (int)(((long long)stack_extend_memory_) & 127)) * 16); \ *stack_extend_dummy_memory_ = 0; \ asm volatile("mov %%rsp, %%rbx\nmov %%rax, %%rsp" \ : "=b"(stack_extend_origin_memory_) \ : "a"((char *)stack_extend_memory_ + (size)-1024)); #define END_STACK_EXTEND \ asm volatile("mov %%rax, %%rsp" ::"a"(stack_extend_origin_memory_)); \ free(stack_extend_memory_); signed main() { BEGIN_STACK_EXTEND std::cin.tie(0); ios::sync_with_stdio(false); // ll Q; cin >> Q; while(Q--)solve(); solve(); END_STACK_EXTEND return 0; }
replace
368
369
368
369
-11
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; /* #if __has_include(<boost/multiprecision/cpp_int.hpp>) #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using bll = boost::multiprecision::cpp_int; using bdouble = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<100>>; using namespace boost::multiprecision; #endif */ #ifdef LOCAL_TEST #define BOOST_STACKTRACE_USE_ADDR2LINE #define BOOST_STACKTRACE_ADDR2LINE_LOCATION \ / usr / local / opt / binutils / bin / addr2line #define _GNU_SOURCE 1 #include <boost/stacktrace.hpp> namespace std { template <typename T> class dvector : public std::vector<T> { public: dvector() : std::vector<T>() {} explicit dvector(size_t n, const T &value = T()) : std::vector<T>(n, value) {} dvector(const std::vector<T> &v) : std::vector<T>(v) {} dvector(const std::initializer_list<T> il) : std::vector<T>(il) {} dvector(const std::string::iterator first, const std::string::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::iterator first, const typename std::vector<T>::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::reverse_iterator first, const typename std::vector<T>::reverse_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_iterator first, const typename std::vector<T>::const_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_reverse_iterator first, const typename std::vector<T>::const_reverse_iterator last) : std::vector<T>(first, last) {} T &operator[](size_t n) { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } const T &operator[](size_t n) const { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } }; } // namespace std class dbool { private: bool boolvalue; public: dbool() : boolvalue(false) {} dbool(bool b) : boolvalue(b) {} operator bool &() { return boolvalue; } operator const bool &() const { return boolvalue; } }; #define vector dvector #define bool dbool class SIGFPE_exception : std::exception {}; class SIGSEGV_exception : std::exception {}; void catch_SIGFPE([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGFPE_exception(); } void catch_SIGSEGV([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGSEGV_exception(); } signed convertedmain(); signed main() { signal(SIGFPE, catch_SIGFPE); signal(SIGSEGV, catch_SIGSEGV); return convertedmain(); } #define main() convertedmain() #endif #ifdef LOCAL_DEV template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<std::vector<T>> &vv) { s << "\\\n"; for (size_t i = 0; i < vv.size(); ++i) { s << vv[i] << "\n"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::deque<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::set<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::multiset<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T, size_t N> std::ostream &operator<<(std::ostream &s, const std::array<T, N> &a) { s << "{ "; for (size_t i = 0; i < N; ++i) { s << a[i] << "\t"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::map<T1, T2> &m) { s << "{\n"; for (auto itr = m.begin(); itr != m.end(); ++itr) { s << "\t" << (*itr).first << " : " << (*itr).second << "\n"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::pair<T1, T2> &p) { return s << "(" << p.first << ", " << p.second << ")"; } void debug_impl() { std::cerr << '\n'; } template <typename Head, typename... Tail> void debug_impl(Head head, Tail... tail) { std::cerr << " " << head << (sizeof...(tail) ? "," : ""); debug_impl(tail...); } #define debug(...) \ do { \ std::cerr << "(" << #__VA_ARGS__ << ") ="; \ debug_impl(__VA_ARGS__); \ } while (false) #else #define debug(...) \ do { \ } while (false) #endif // #define int long long using ll = long long; // constexpr int INF = (ll)1e9 + 7;//INT_MAX=(1<<31)-1=2147483647 constexpr ll INF = (ll)1e18; //(1LL<<63)-1=9223372036854775807 constexpr ll MOD = (ll)1e9 + 7; constexpr double EPS = 1e-9; constexpr ll dx[4] = {1, 0, -1, 0}; constexpr ll dy[4] = {0, 1, 0, -1}; constexpr ll dx8[8] = {1, 0, -1, 0, 1, 1, -1, -1}; constexpr ll dy8[8] = {0, 1, 0, -1, 1, -1, 1, -1}; #define rep(i, n) for (ll i = 0, i##_length = (n); i < i##_length; ++i) #define repeq(i, n) for (ll i = 1, i##_length = (n); i <= i##_length; ++i) #define rrep(i, n) for (ll i = (n)-1; i >= 0; --i) #define rrepeq(i, n) for (ll i = (n); i >= 1; --i) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() void p() { std::cout << '\n'; } template <typename Head, typename... Tail> void p(Head head, Tail... tail) { std::cout << head << (sizeof...(tail) ? " " : ""); p(tail...); } template <typename T> inline void pv(std::vector<T> &v) { for (ll i = 0, N = v.size(); i < N; i++) std::cout << v[i] << " \n"[i == N - 1]; } template <typename T> inline bool chmax(T &a, T b) { return a < b && (a = b, true); } template <typename T> inline bool chmin(T &a, T b) { return a > b && (a = b, true); } template <typename T> inline void uniq(std::vector<T> &v) { v.erase(std::unique(v.begin(), v.end()), v.end()); } /*-----8<-----template-----8<-----*/ template <ll char_size> class TrieNode { public: ll nxt[char_size]; ll exist; vector<ll> accept; TrieNode() : exist(0) { memset(nxt, -1, sizeof(nxt)); } }; /* あるノードの配下の全てのノードには自身に対応する文字列に共通するプレフィックスがあり, ルートには空の文字列が対応している。 計算量:  add O(|S|)  query O(|S|) exist は子供以下に追加された文字列の個数, accept はそのノードにマッチする全ての追加された文字列の番号が格納される。 Trie< char_size, margin >():  文字列の種類数 char_size, 開始文字が margin のトライ木を作成する。 add(S): 文字列 S をトライ木に追加する query(S, f): 文字列 S のプレフィックスに一致する文字列を検索する。  一致した文字列ごとに関数 f が呼び出される。 size(): ノード数を返す count(): 存在する文字列の個数を返す */ template <ll char_size, ll margin> class Trie { public: using Node = TrieNode<char_size>; vector<Node> nodes; ll root; Trie() : root(0) { nodes.push_back(Node()); } void update_direct(ll node, ll id) { nodes[node].accept.push_back(id); } void update_child(ll node, [[maybe_unused]] ll child, [[maybe_unused]] ll id) { ++nodes[node].exist; } void add(const string &str, ll str_index, ll node_index, ll id) { if (str_index == (ll)str.size()) { update_direct(node_index, id); } else { const ll c = str[str_index] - margin; if (nodes[node_index].nxt[c] == -1) { nodes[node_index].nxt[c] = (ll)nodes.size(); nodes.push_back(Node()); } add(str, str_index + 1, nodes[node_index].nxt[c], id); update_child(node_index, nodes[node_index].nxt[c], id); } } void add(const string &str, ll id) { add(str, 0, 0, id); } void add(const string &str) { add(str, nodes[0].exist); } template <typename F> void query(const string &str, const F &f, ll str_index, ll node_index) { for (auto &idx : nodes[node_index].accept) f(idx); if (str_index == (ll)str.size()) { return; } else { const ll c = str[str_index] - margin; if (nodes[node_index].nxt[c] == -1) return; query(str, f, str_index + 1, nodes[node_index].nxt[c]); } } template <typename F> void query(const string &str, const F &f) { query(str, f, 0, 0); } ll count() const { return (nodes[0].exist); } size_t size() const { return nodes.size(); } }; /*-----8<-----library-----8<-----*/ void solve() { ll N; cin >> N; vector<string> a(N); rep(i, N) { cin >> a[i]; reverse(all(a[i])); } sort(a.begin(), a.end(), [](const string &x, const string &y) { return x.size() > y.size(); }); vector<vector<ll>> pos(N, vector<ll>(26, -INF)); rep(i, N) { rep(j, a[i].size()) chmax(pos[i][a[i][j] - 'a'], j); } Trie<26, 'a'> trie; rep(i, N) { if (a[i].size() == (size_t)1) continue; string t = a[i].substr(0, a[i].size() - 1); trie.add(t); } ll ans = 0; rep(i, N) { if (a[i].size() == (size_t)1) continue; // index = trie木に追加した単語のindex auto update = [&](ll index) { debug(i, index); if (index == i) return; ll x = a[index].back() - 'a'; if (pos[i][x] >= (ll)(a[index].size()) - 1) ans++; }; // Sのi文字目から一致する単語それぞれに対して関数 update が呼ばれる debug(a[i]); trie.query(a[i], update, 0, 0); } debug(ans); vector<ll> c(26, 0); rep(i, N) { if (a[i].size() != (size_t)1) continue; c[a[i][0] - 'a']++; } rep(i, N) { if (a[i].size() == (size_t)1) continue; vector<ll> t(26, false); rep(j, a[i].size()) t[a[i][j] - 'a'] = true; rep(j, 26) { if (t[j]) ans += c[j]; } } p(ans); } #define BEGIN_STACK_EXTEND \ long long size = 2048 * 1024 * 1024; \ void *stack_extend_memory_ = malloc(size); \ void *stack_extend_origin_memory_; \ char *stack_extend_dummy_memory_ = (char *)alloca( \ (1 + (int)(((long long)stack_extend_memory_) & 127)) * 16); \ *stack_extend_dummy_memory_ = 0; \ asm volatile("mov %%rsp, %%rbx\nmov %%rax, %%rsp" \ : "=b"(stack_extend_origin_memory_) \ : "a"((char *)stack_extend_memory_ + (size)-1024)); #define END_STACK_EXTEND \ asm volatile("mov %%rax, %%rsp" ::"a"(stack_extend_origin_memory_)); \ free(stack_extend_memory_); signed main() { BEGIN_STACK_EXTEND std::cin.tie(0); ios::sync_with_stdio(false); // ll Q; cin >> Q; while(Q--)solve(); solve(); END_STACK_EXTEND return 0; }
#include <bits/stdc++.h> using namespace std; /* #if __has_include(<boost/multiprecision/cpp_int.hpp>) #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using bll = boost::multiprecision::cpp_int; using bdouble = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<100>>; using namespace boost::multiprecision; #endif */ #ifdef LOCAL_TEST #define BOOST_STACKTRACE_USE_ADDR2LINE #define BOOST_STACKTRACE_ADDR2LINE_LOCATION \ / usr / local / opt / binutils / bin / addr2line #define _GNU_SOURCE 1 #include <boost/stacktrace.hpp> namespace std { template <typename T> class dvector : public std::vector<T> { public: dvector() : std::vector<T>() {} explicit dvector(size_t n, const T &value = T()) : std::vector<T>(n, value) {} dvector(const std::vector<T> &v) : std::vector<T>(v) {} dvector(const std::initializer_list<T> il) : std::vector<T>(il) {} dvector(const std::string::iterator first, const std::string::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::iterator first, const typename std::vector<T>::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::reverse_iterator first, const typename std::vector<T>::reverse_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_iterator first, const typename std::vector<T>::const_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_reverse_iterator first, const typename std::vector<T>::const_reverse_iterator last) : std::vector<T>(first, last) {} T &operator[](size_t n) { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } const T &operator[](size_t n) const { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } }; } // namespace std class dbool { private: bool boolvalue; public: dbool() : boolvalue(false) {} dbool(bool b) : boolvalue(b) {} operator bool &() { return boolvalue; } operator const bool &() const { return boolvalue; } }; #define vector dvector #define bool dbool class SIGFPE_exception : std::exception {}; class SIGSEGV_exception : std::exception {}; void catch_SIGFPE([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGFPE_exception(); } void catch_SIGSEGV([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGSEGV_exception(); } signed convertedmain(); signed main() { signal(SIGFPE, catch_SIGFPE); signal(SIGSEGV, catch_SIGSEGV); return convertedmain(); } #define main() convertedmain() #endif #ifdef LOCAL_DEV template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<std::vector<T>> &vv) { s << "\\\n"; for (size_t i = 0; i < vv.size(); ++i) { s << vv[i] << "\n"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::deque<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::set<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::multiset<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T, size_t N> std::ostream &operator<<(std::ostream &s, const std::array<T, N> &a) { s << "{ "; for (size_t i = 0; i < N; ++i) { s << a[i] << "\t"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::map<T1, T2> &m) { s << "{\n"; for (auto itr = m.begin(); itr != m.end(); ++itr) { s << "\t" << (*itr).first << " : " << (*itr).second << "\n"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::pair<T1, T2> &p) { return s << "(" << p.first << ", " << p.second << ")"; } void debug_impl() { std::cerr << '\n'; } template <typename Head, typename... Tail> void debug_impl(Head head, Tail... tail) { std::cerr << " " << head << (sizeof...(tail) ? "," : ""); debug_impl(tail...); } #define debug(...) \ do { \ std::cerr << "(" << #__VA_ARGS__ << ") ="; \ debug_impl(__VA_ARGS__); \ } while (false) #else #define debug(...) \ do { \ } while (false) #endif // #define int long long using ll = long long; // constexpr int INF = (ll)1e9 + 7;//INT_MAX=(1<<31)-1=2147483647 constexpr ll INF = (ll)1e18; //(1LL<<63)-1=9223372036854775807 constexpr ll MOD = (ll)1e9 + 7; constexpr double EPS = 1e-9; constexpr ll dx[4] = {1, 0, -1, 0}; constexpr ll dy[4] = {0, 1, 0, -1}; constexpr ll dx8[8] = {1, 0, -1, 0, 1, 1, -1, -1}; constexpr ll dy8[8] = {0, 1, 0, -1, 1, -1, 1, -1}; #define rep(i, n) for (ll i = 0, i##_length = (n); i < i##_length; ++i) #define repeq(i, n) for (ll i = 1, i##_length = (n); i <= i##_length; ++i) #define rrep(i, n) for (ll i = (n)-1; i >= 0; --i) #define rrepeq(i, n) for (ll i = (n); i >= 1; --i) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() void p() { std::cout << '\n'; } template <typename Head, typename... Tail> void p(Head head, Tail... tail) { std::cout << head << (sizeof...(tail) ? " " : ""); p(tail...); } template <typename T> inline void pv(std::vector<T> &v) { for (ll i = 0, N = v.size(); i < N; i++) std::cout << v[i] << " \n"[i == N - 1]; } template <typename T> inline bool chmax(T &a, T b) { return a < b && (a = b, true); } template <typename T> inline bool chmin(T &a, T b) { return a > b && (a = b, true); } template <typename T> inline void uniq(std::vector<T> &v) { v.erase(std::unique(v.begin(), v.end()), v.end()); } /*-----8<-----template-----8<-----*/ template <ll char_size> class TrieNode { public: ll nxt[char_size]; ll exist; vector<ll> accept; TrieNode() : exist(0) { memset(nxt, -1, sizeof(nxt)); } }; /* あるノードの配下の全てのノードには自身に対応する文字列に共通するプレフィックスがあり, ルートには空の文字列が対応している。 計算量:  add O(|S|)  query O(|S|) exist は子供以下に追加された文字列の個数, accept はそのノードにマッチする全ての追加された文字列の番号が格納される。 Trie< char_size, margin >():  文字列の種類数 char_size, 開始文字が margin のトライ木を作成する。 add(S): 文字列 S をトライ木に追加する query(S, f): 文字列 S のプレフィックスに一致する文字列を検索する。  一致した文字列ごとに関数 f が呼び出される。 size(): ノード数を返す count(): 存在する文字列の個数を返す */ template <ll char_size, ll margin> class Trie { public: using Node = TrieNode<char_size>; vector<Node> nodes; ll root; Trie() : root(0) { nodes.push_back(Node()); } void update_direct(ll node, ll id) { nodes[node].accept.push_back(id); } void update_child(ll node, [[maybe_unused]] ll child, [[maybe_unused]] ll id) { ++nodes[node].exist; } void add(const string &str, ll str_index, ll node_index, ll id) { if (str_index == (ll)str.size()) { update_direct(node_index, id); } else { const ll c = str[str_index] - margin; if (nodes[node_index].nxt[c] == -1) { nodes[node_index].nxt[c] = (ll)nodes.size(); nodes.push_back(Node()); } add(str, str_index + 1, nodes[node_index].nxt[c], id); update_child(node_index, nodes[node_index].nxt[c], id); } } void add(const string &str, ll id) { add(str, 0, 0, id); } void add(const string &str) { add(str, nodes[0].exist); } template <typename F> void query(const string &str, const F &f, ll str_index, ll node_index) { for (auto &idx : nodes[node_index].accept) f(idx); if (str_index == (ll)str.size()) { return; } else { const ll c = str[str_index] - margin; if (nodes[node_index].nxt[c] == -1) return; query(str, f, str_index + 1, nodes[node_index].nxt[c]); } } template <typename F> void query(const string &str, const F &f) { query(str, f, 0, 0); } ll count() const { return (nodes[0].exist); } size_t size() const { return nodes.size(); } }; /*-----8<-----library-----8<-----*/ void solve() { ll N; cin >> N; vector<string> a(N); rep(i, N) { cin >> a[i]; reverse(all(a[i])); } sort(a.begin(), a.end(), [](const string &x, const string &y) { return x.size() > y.size(); }); vector<vector<ll>> pos(N, vector<ll>(26, -INF)); rep(i, N) { rep(j, a[i].size()) chmax(pos[i][a[i][j] - 'a'], j); } Trie<26, 'a'> trie; rep(i, N) { if (a[i].size() == (size_t)1) continue; string t = a[i].substr(0, a[i].size() - 1); trie.add(t); } ll ans = 0; rep(i, N) { if (a[i].size() == (size_t)1) continue; // index = trie木に追加した単語のindex auto update = [&](ll index) { debug(i, index); if (index == i) return; ll x = a[index].back() - 'a'; if (pos[i][x] >= (ll)(a[index].size()) - 1) ans++; }; // Sのi文字目から一致する単語それぞれに対して関数 update が呼ばれる debug(a[i]); trie.query(a[i], update, 0, 0); } debug(ans); vector<ll> c(26, 0); rep(i, N) { if (a[i].size() != (size_t)1) continue; c[a[i][0] - 'a']++; } rep(i, N) { if (a[i].size() == (size_t)1) continue; vector<ll> t(26, false); rep(j, a[i].size()) t[a[i][j] - 'a'] = true; rep(j, 26) { if (t[j]) ans += c[j]; } } p(ans); } #define BEGIN_STACK_EXTEND \ long long size = 1024LL * 1024LL * 1024LL * 2; \ void *stack_extend_memory_ = malloc(size); \ void *stack_extend_origin_memory_; \ char *stack_extend_dummy_memory_ = (char *)alloca( \ (1 + (int)(((long long)stack_extend_memory_) & 127)) * 16); \ *stack_extend_dummy_memory_ = 0; \ asm volatile("mov %%rsp, %%rbx\nmov %%rax, %%rsp" \ : "=b"(stack_extend_origin_memory_) \ : "a"((char *)stack_extend_memory_ + (size)-1024)); #define END_STACK_EXTEND \ asm volatile("mov %%rax, %%rsp" ::"a"(stack_extend_origin_memory_)); \ free(stack_extend_memory_); signed main() { BEGIN_STACK_EXTEND std::cin.tie(0); ios::sync_with_stdio(false); // ll Q; cin >> Q; while(Q--)solve(); solve(); END_STACK_EXTEND return 0; }
replace
358
359
358
359
-11
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; /* #if __has_include(<boost/multiprecision/cpp_int.hpp>) #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using bll = boost::multiprecision::cpp_int; using bdouble = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<100>>; using namespace boost::multiprecision; #endif */ #ifdef LOCAL_TEST #define BOOST_STACKTRACE_USE_ADDR2LINE #define BOOST_STACKTRACE_ADDR2LINE_LOCATION \ / usr / local / opt / binutils / bin / addr2line #define _GNU_SOURCE 1 #include <boost/stacktrace.hpp> namespace std { template <typename T> class dvector : public std::vector<T> { public: dvector() : std::vector<T>() {} explicit dvector(size_t n, const T &value = T()) : std::vector<T>(n, value) {} dvector(const std::vector<T> &v) : std::vector<T>(v) {} dvector(const std::initializer_list<T> il) : std::vector<T>(il) {} dvector(const std::string::iterator first, const std::string::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::iterator first, const typename std::vector<T>::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::reverse_iterator first, const typename std::vector<T>::reverse_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_iterator first, const typename std::vector<T>::const_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_reverse_iterator first, const typename std::vector<T>::const_reverse_iterator last) : std::vector<T>(first, last) {} T &operator[](size_t n) { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } const T &operator[](size_t n) const { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } }; } // namespace std class dbool { private: bool boolvalue; public: dbool() : boolvalue(false) {} dbool(bool b) : boolvalue(b) {} operator bool &() { return boolvalue; } operator const bool &() const { return boolvalue; } }; #define vector dvector #define bool dbool class SIGFPE_exception : std::exception {}; class SIGSEGV_exception : std::exception {}; void catch_SIGFPE([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGFPE_exception(); } void catch_SIGSEGV([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGSEGV_exception(); } signed convertedmain(); signed main() { signal(SIGFPE, catch_SIGFPE); signal(SIGSEGV, catch_SIGSEGV); return convertedmain(); } #define main() convertedmain() #endif #ifdef LOCAL_DEV template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<std::vector<T>> &vv) { s << "\\\n"; for (size_t i = 0; i < vv.size(); ++i) { s << vv[i] << "\n"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::deque<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::set<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::multiset<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T, size_t N> std::ostream &operator<<(std::ostream &s, const std::array<T, N> &a) { s << "{ "; for (size_t i = 0; i < N; ++i) { s << a[i] << "\t"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::map<T1, T2> &m) { s << "{\n"; for (auto itr = m.begin(); itr != m.end(); ++itr) { s << "\t" << (*itr).first << " : " << (*itr).second << "\n"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::pair<T1, T2> &p) { return s << "(" << p.first << ", " << p.second << ")"; } void debug_impl() { std::cerr << '\n'; } template <typename Head, typename... Tail> void debug_impl(Head head, Tail... tail) { std::cerr << " " << head << (sizeof...(tail) ? "," : ""); debug_impl(tail...); } #define debug(...) \ do { \ std::cerr << "(" << #__VA_ARGS__ << ") ="; \ debug_impl(__VA_ARGS__); \ } while (false) #else #define debug(...) \ do { \ } while (false) #endif // #define int long long using ll = long long; // constexpr int INF = (ll)1e9 + 7;//INT_MAX=(1<<31)-1=2147483647 constexpr ll INF = (ll)1e18; //(1LL<<63)-1=9223372036854775807 constexpr ll MOD = (ll)1e9 + 7; constexpr double EPS = 1e-9; constexpr ll dx[4] = {1, 0, -1, 0}; constexpr ll dy[4] = {0, 1, 0, -1}; constexpr ll dx8[8] = {1, 0, -1, 0, 1, 1, -1, -1}; constexpr ll dy8[8] = {0, 1, 0, -1, 1, -1, 1, -1}; #define rep(i, n) for (ll i = 0, i##_length = (n); i < i##_length; ++i) #define repeq(i, n) for (ll i = 1, i##_length = (n); i <= i##_length; ++i) #define rrep(i, n) for (ll i = (n)-1; i >= 0; --i) #define rrepeq(i, n) for (ll i = (n); i >= 1; --i) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() void p() { std::cout << '\n'; } template <typename Head, typename... Tail> void p(Head head, Tail... tail) { std::cout << head << (sizeof...(tail) ? " " : ""); p(tail...); } template <typename T> inline void pv(std::vector<T> &v) { for (ll i = 0, N = v.size(); i < N; i++) std::cout << v[i] << " \n"[i == N - 1]; } template <typename T> inline bool chmax(T &a, T b) { return a < b && (a = b, true); } template <typename T> inline bool chmin(T &a, T b) { return a > b && (a = b, true); } template <typename T> inline void uniq(std::vector<T> &v) { v.erase(std::unique(v.begin(), v.end()), v.end()); } /*-----8<-----template-----8<-----*/ /*-----8<-----library-----8<-----*/ void solve() { ll N; cin >> N; vector<string> a(N); rep(i, N) { cin >> a[i]; reverse(all(a[i])); } sort(a.begin(), a.end(), [](const string &x, const string &y) { return x.size() > y.size(); }); vector<vector<ll>> pos(N, vector<ll>(26, -INF)); rep(i, N) { rep(j, a[i].size()) chmax(pos[i][a[i][j] - 'a'], j); } set<ll> stringlen; rep(i, N) { if (a[i].size() == (size_t)1) continue; stringlen.insert(a[i].size() - 1); } map<string, vector<ll>> hashmap; rep(i, N) { for (ll len : stringlen) { if (len > (ll)a[i].size()) break; string h = a[i].substr(i, len); hashmap[h].emplace_back(i); } } ll ans = 0; rep(index, N) { if (a[index].size() == (size_t)1) continue; auto update = [&](ll i) { if (index == i) return; ll x = a[index].back() - 'a'; if (pos[i][x] >= (ll)(a[index].size()) - 1) ans++; }; string h = a[index].substr(0, a[index].size() - 1); for (auto &&i : hashmap[h]) update(i); } vector<ll> c(26, 0); rep(i, N) { if (a[i].size() != (size_t)1) continue; c[a[i][0] - 'a']++; } rep(i, N) { if (a[i].size() == (size_t)1) continue; vector<ll> t(26, false); rep(j, a[i].size()) t[a[i][j] - 'a'] = true; rep(j, 26) { if (t[j]) ans += c[j]; } } p(ans); } signed main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); // ll Q; cin >> Q; while(Q--)solve(); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; /* #if __has_include(<boost/multiprecision/cpp_int.hpp>) #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using bll = boost::multiprecision::cpp_int; using bdouble = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<100>>; using namespace boost::multiprecision; #endif */ #ifdef LOCAL_TEST #define BOOST_STACKTRACE_USE_ADDR2LINE #define BOOST_STACKTRACE_ADDR2LINE_LOCATION \ / usr / local / opt / binutils / bin / addr2line #define _GNU_SOURCE 1 #include <boost/stacktrace.hpp> namespace std { template <typename T> class dvector : public std::vector<T> { public: dvector() : std::vector<T>() {} explicit dvector(size_t n, const T &value = T()) : std::vector<T>(n, value) {} dvector(const std::vector<T> &v) : std::vector<T>(v) {} dvector(const std::initializer_list<T> il) : std::vector<T>(il) {} dvector(const std::string::iterator first, const std::string::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::iterator first, const typename std::vector<T>::iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::reverse_iterator first, const typename std::vector<T>::reverse_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_iterator first, const typename std::vector<T>::const_iterator last) : std::vector<T>(first, last) {} dvector(const typename std::vector<T>::const_reverse_iterator first, const typename std::vector<T>::const_reverse_iterator last) : std::vector<T>(first, last) {} T &operator[](size_t n) { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } const T &operator[](size_t n) const { try { return this->at(n); } catch (const std::exception &e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; return this->at(n); } } }; } // namespace std class dbool { private: bool boolvalue; public: dbool() : boolvalue(false) {} dbool(bool b) : boolvalue(b) {} operator bool &() { return boolvalue; } operator const bool &() const { return boolvalue; } }; #define vector dvector #define bool dbool class SIGFPE_exception : std::exception {}; class SIGSEGV_exception : std::exception {}; void catch_SIGFPE([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGFPE_exception(); } void catch_SIGSEGV([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGSEGV_exception(); } signed convertedmain(); signed main() { signal(SIGFPE, catch_SIGFPE); signal(SIGSEGV, catch_SIGSEGV); return convertedmain(); } #define main() convertedmain() #endif #ifdef LOCAL_DEV template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::vector<std::vector<T>> &vv) { s << "\\\n"; for (size_t i = 0; i < vv.size(); ++i) { s << vv[i] << "\n"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::deque<T> &v) { for (size_t i = 0; i < v.size(); ++i) { s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::set<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T> std::ostream &operator<<(std::ostream &s, const std::multiset<T> &se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr) { s << (*itr) << "\t"; } s << "}"; return s; } template <typename T, size_t N> std::ostream &operator<<(std::ostream &s, const std::array<T, N> &a) { s << "{ "; for (size_t i = 0; i < N; ++i) { s << a[i] << "\t"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::map<T1, T2> &m) { s << "{\n"; for (auto itr = m.begin(); itr != m.end(); ++itr) { s << "\t" << (*itr).first << " : " << (*itr).second << "\n"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream &operator<<(std::ostream &s, const std::pair<T1, T2> &p) { return s << "(" << p.first << ", " << p.second << ")"; } void debug_impl() { std::cerr << '\n'; } template <typename Head, typename... Tail> void debug_impl(Head head, Tail... tail) { std::cerr << " " << head << (sizeof...(tail) ? "," : ""); debug_impl(tail...); } #define debug(...) \ do { \ std::cerr << "(" << #__VA_ARGS__ << ") ="; \ debug_impl(__VA_ARGS__); \ } while (false) #else #define debug(...) \ do { \ } while (false) #endif // #define int long long using ll = long long; // constexpr int INF = (ll)1e9 + 7;//INT_MAX=(1<<31)-1=2147483647 constexpr ll INF = (ll)1e18; //(1LL<<63)-1=9223372036854775807 constexpr ll MOD = (ll)1e9 + 7; constexpr double EPS = 1e-9; constexpr ll dx[4] = {1, 0, -1, 0}; constexpr ll dy[4] = {0, 1, 0, -1}; constexpr ll dx8[8] = {1, 0, -1, 0, 1, 1, -1, -1}; constexpr ll dy8[8] = {0, 1, 0, -1, 1, -1, 1, -1}; #define rep(i, n) for (ll i = 0, i##_length = (n); i < i##_length; ++i) #define repeq(i, n) for (ll i = 1, i##_length = (n); i <= i##_length; ++i) #define rrep(i, n) for (ll i = (n)-1; i >= 0; --i) #define rrepeq(i, n) for (ll i = (n); i >= 1; --i) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() void p() { std::cout << '\n'; } template <typename Head, typename... Tail> void p(Head head, Tail... tail) { std::cout << head << (sizeof...(tail) ? " " : ""); p(tail...); } template <typename T> inline void pv(std::vector<T> &v) { for (ll i = 0, N = v.size(); i < N; i++) std::cout << v[i] << " \n"[i == N - 1]; } template <typename T> inline bool chmax(T &a, T b) { return a < b && (a = b, true); } template <typename T> inline bool chmin(T &a, T b) { return a > b && (a = b, true); } template <typename T> inline void uniq(std::vector<T> &v) { v.erase(std::unique(v.begin(), v.end()), v.end()); } /*-----8<-----template-----8<-----*/ /*-----8<-----library-----8<-----*/ void solve() { ll N; cin >> N; vector<string> a(N); rep(i, N) { cin >> a[i]; reverse(all(a[i])); } sort(a.begin(), a.end(), [](const string &x, const string &y) { return x.size() > y.size(); }); vector<vector<ll>> pos(N, vector<ll>(26, -INF)); rep(i, N) { rep(j, a[i].size()) chmax(pos[i][a[i][j] - 'a'], j); } set<ll> stringlen; rep(i, N) { if (a[i].size() == (size_t)1) continue; stringlen.insert(a[i].size() - 1); } map<string, vector<ll>> hashmap; rep(i, N) { for (ll len : stringlen) { if (len > (ll)a[i].size()) break; string h = a[i].substr(0, len); hashmap[h].emplace_back(i); } } ll ans = 0; rep(index, N) { if (a[index].size() == (size_t)1) continue; auto update = [&](ll i) { if (index == i) return; ll x = a[index].back() - 'a'; if (pos[i][x] >= (ll)(a[index].size()) - 1) ans++; }; string h = a[index].substr(0, a[index].size() - 1); for (auto &&i : hashmap[h]) update(i); } vector<ll> c(26, 0); rep(i, N) { if (a[i].size() != (size_t)1) continue; c[a[i][0] - 'a']++; } rep(i, N) { if (a[i].size() == (size_t)1) continue; vector<ll> t(26, false); rep(j, a[i].size()) t[a[i][j] - 'a'] = true; rep(j, 26) { if (t[j]) ans += c[j]; } } p(ans); } signed main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); // ll Q; cin >> Q; while(Q--)solve(); solve(); return 0; }
replace
236
237
236
237
0
p02589
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<int, int> pii; #define pb push_back #define eb emplace_back #define mp make_pair #define fi first #define se second void __print(int x) { cerr << x; } void __print(long x) { cerr << x; } void __print(long long x) { cerr << x; } void __print(unsigned x) { cerr << x; } void __print(unsigned long x) { cerr << x; } void __print(unsigned long long x) { cerr << x; } void __print(float x) { cerr << x; } void __print(double x) { cerr << x; } void __print(long double x) { cerr << x; } void __print(char x) { cerr << '\'' << x << '\''; } void __print(const char *x) { cerr << '\"' << x << '\"'; } void __print(const string &x) { cerr << '\"' << x << '\"'; } void __print(bool x) { cerr << (x ? "true" : "false"); } template <typename T, typename V> void __print(const pair<T, V> &x) { cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}'; } template <typename T> void __print(const T &x) { int f = 0; cerr << '{'; for (auto &i : x) cerr << (f++ ? "," : ""), __print(i); cerr << "}"; } void _print() { cerr << "]\n"; } template <typename T, typename... V> void _print(T t, V... v) { __print(t); if (sizeof...(v)) cerr << ", "; _print(v...); } #ifdef OJ #define debug(x...) \ cerr << "[" << #x << "] = ["; \ _print(x) #else #define debug(x...) #endif #define all(x) (x).begin(), (x).end() #define rsort(x) sort((x).rbegin(), (x).rend()) #define sz(x) ((int)x.size()) #define fori(i, n) for (int i = 0; i < (int)(n); ++i) #define ford(i, n, e) for (int i = (int)(n); i >= (int)(e); --i) #define fore(i, a, b) for (int i = (int)(a); i <= (int)(b); ++i) template <typename T> bool mmax(T &m, const T q) { if (m < q) { m = q; return true; } else return false; } template <typename T> bool mmin(T &m, const T q) { if (m > q) { m = q; return true; } else return false; } #define RETURN(x) \ do { \ cout << (x) << '\n'; \ return 0; \ } while (0) const char en = '\n'; const int MOD = 0; const int MAXN = 0; const int INF = 1e9; struct stNode { vector<stNode *> child = vector<stNode *>(26, NULL); vector<int> has = vector<int>(26); void add(const string &s, const vector<int> &lst, int i) { if (i == sz(s)) return; int c = s[i] - 'a'; if (child[c] == NULL) child[c] = new stNode(); fori(k, 26) { if (lst[k] >= i) { has[k]++; } } child[c]->add(s, lst, i + 1); } int check(const string &s, int i) { int c = s[i] - 'a'; if (i == sz(s) - 1) { return has[c]; } if (child[c] == NULL) return false; return child[c]->check(s, i + 1); } }; int solve() { int n; cin >> n; vector<string> v(n); map<string, int> m; fori(i, n) { cin >> v[i]; reverse(all(v[i])); m[v[i]]++; } stNode *root1 = new stNode(); LL ans = 0; fori(i, n) { string &s = v[i]; ans += root1->check(s, 0); debug(s, ans); vector<int> lst(26, -1); fori(j, sz(s)) lst[s[j] - 'a'] = j; root1->add(s, lst, 0); } stNode *root2 = new stNode(); ford(i, n - 1, 0) { string &s = v[i]; ans += root2->check(s, 0); vector<int> lst(26, -1); fori(j, sz(s)) lst[s[j] - 'a'] = j; root2->add(s, lst, 0); } for (auto &it : m) { ans -= 1LL * it.se * (it.se - 1) / 2; } cout << ans << en; } int main(int argc, char **argv) { #ifdef OJ freopen("input.txt", "rt", stdin); // freopen("output.txt", "wt", stdout); #endif ios::sync_with_stdio(false); cin.tie(0); int ntest = 1; // cin >> ntest; fori(test, ntest) { // cout << "Case #" << test+1 << ": "; solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<int, int> pii; #define pb push_back #define eb emplace_back #define mp make_pair #define fi first #define se second void __print(int x) { cerr << x; } void __print(long x) { cerr << x; } void __print(long long x) { cerr << x; } void __print(unsigned x) { cerr << x; } void __print(unsigned long x) { cerr << x; } void __print(unsigned long long x) { cerr << x; } void __print(float x) { cerr << x; } void __print(double x) { cerr << x; } void __print(long double x) { cerr << x; } void __print(char x) { cerr << '\'' << x << '\''; } void __print(const char *x) { cerr << '\"' << x << '\"'; } void __print(const string &x) { cerr << '\"' << x << '\"'; } void __print(bool x) { cerr << (x ? "true" : "false"); } template <typename T, typename V> void __print(const pair<T, V> &x) { cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}'; } template <typename T> void __print(const T &x) { int f = 0; cerr << '{'; for (auto &i : x) cerr << (f++ ? "," : ""), __print(i); cerr << "}"; } void _print() { cerr << "]\n"; } template <typename T, typename... V> void _print(T t, V... v) { __print(t); if (sizeof...(v)) cerr << ", "; _print(v...); } #ifdef OJ #define debug(x...) \ cerr << "[" << #x << "] = ["; \ _print(x) #else #define debug(x...) #endif #define all(x) (x).begin(), (x).end() #define rsort(x) sort((x).rbegin(), (x).rend()) #define sz(x) ((int)x.size()) #define fori(i, n) for (int i = 0; i < (int)(n); ++i) #define ford(i, n, e) for (int i = (int)(n); i >= (int)(e); --i) #define fore(i, a, b) for (int i = (int)(a); i <= (int)(b); ++i) template <typename T> bool mmax(T &m, const T q) { if (m < q) { m = q; return true; } else return false; } template <typename T> bool mmin(T &m, const T q) { if (m > q) { m = q; return true; } else return false; } #define RETURN(x) \ do { \ cout << (x) << '\n'; \ return 0; \ } while (0) const char en = '\n'; const int MOD = 0; const int MAXN = 0; const int INF = 1e9; struct stNode { vector<stNode *> child = vector<stNode *>(26, NULL); vector<int> has = vector<int>(26); void add(const string &s, const vector<int> &lst, int i) { if (i == sz(s)) return; int c = s[i] - 'a'; if (child[c] == NULL) child[c] = new stNode(); fori(k, 26) { if (lst[k] >= i) { has[k]++; } } child[c]->add(s, lst, i + 1); } int check(const string &s, int i) { int c = s[i] - 'a'; if (i == sz(s) - 1) { return has[c]; } if (child[c] == NULL) return false; return child[c]->check(s, i + 1); } }; int solve() { int n; cin >> n; vector<string> v(n); map<string, int> m; fori(i, n) { cin >> v[i]; reverse(all(v[i])); m[v[i]]++; } stNode *root1 = new stNode(); LL ans = 0; fori(i, n) { string &s = v[i]; ans += root1->check(s, 0); debug(s, ans); vector<int> lst(26, -1); fori(j, sz(s)) lst[s[j] - 'a'] = j; root1->add(s, lst, 0); } stNode *root2 = new stNode(); ford(i, n - 1, 0) { string &s = v[i]; ans += root2->check(s, 0); vector<int> lst(26, -1); fori(j, sz(s)) lst[s[j] - 'a'] = j; root2->add(s, lst, 0); } for (auto &it : m) { ans -= 1LL * it.se * (it.se - 1) / 2; } cout << ans << en; return 0; } int main(int argc, char **argv) { #ifdef OJ freopen("input.txt", "rt", stdin); // freopen("output.txt", "wt", stdout); #endif ios::sync_with_stdio(false); cin.tie(0); int ntest = 1; // cin >> ntest; fori(test, ntest) { // cout << "Case #" << test+1 << ": "; solve(); } return 0; }
insert
156
156
156
157
0