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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define start_routine() int begtime = clock(); #define end_routine() \ int endtime = clock(); \ cerr << endl \ << "Time elapsed: " << (endtime - begtime) * 1000 / CLOCKS_PER_SEC \ << " ms"; \ return 0 #define speed() cin.tie(0), cout.tie(0), ios_base::sync_with_stdio(false) // #define exit(a, b) return cout << a, b; #define loop(i, a, b) for (ll i = a; i < b; i++) #define all(v) v.begin(), v.end() #define print(stuff) cout << stuff << endl #define printc(stuff) \ for (auto x : stuff) \ cout << x << " "; \ cout << endl; #define printPrec(stuff) cout << fixed << setprecision(15) << stuff << endl; #define debug(stuff) cout << #stuff << ": " << stuff << endl #define debugc(stuff) \ cout << #stuff << ": "; \ for (auto x : stuff) \ cout << x << " "; \ cout << endl; #define len length #define ret0 return 0 #define ret return #define ll long long #define ld long double #define fi first #define endl '\n' #define se second #define pb push_back #define mp make_pair #define lb lower_bound #define ub upper_bound #define fill(ar, x) memset(ar, x, sizeof ar) #define vl vector<ll> #define sl set<ll> #define pll pair<ll, ll> #define mll map<ll, ll> #define pq priority_queue<ll> // typedef tree<ll,null_type,less<ll>,rb_tree_tag, // tree_order_statistics_node_update> indexed_set; #define inf (long long int)1e18 #define eps 0.000001 #define mod 1000000007 #define mod1 998244353 #define MAXN (ll)1e5 + 5 // ll f2(ll n){ // // for(int i=0; i<n; i++){ // // cout<<b[i]<<" "; // // } // // cout<<endl; // while(!q.empty() && b[q.top().se] == a[q.top().se]){ // // debug(q.top().se); // // debug(b[q.top().se]); // // debug(a[q.top().se]); // q.pop(); // } // if(q.empty()){ // return 0; // } // if(b[q.top().se] < a[q.top().se]){ // return -1; // } // else { // ll x = q.top().se; // ll y = b[(x-1+n)%n] + b[(x+1+n)%n]; // if(b[x] <= y){ // return -1; // } // else { // ll tim = (b[x]-a[x])/y; // ans2+=tim; // b[x]-=tim*y; // q.pop(); // q.push(mp(b[x],x)); // return f2(n); // } // } // } void solve() { ll n; cin >> n; ll a[n], b[n]; priority_queue<pll> q; loop(i, 0, n) { cin >> a[i]; // q1.push(mp(a[i], i)); } loop(i, 0, n) { cin >> b[i]; q.push(mp(b[i], i)); } ll ans = 0; while (!q.empty()) { if (a[q.top().se] > b[q.top().se]) { print(-1); ret; } while (!q.empty() && b[q.top().se] == a[q.top().se]) { q.pop(); } if (q.empty()) { break; } if (a[q.top().se] > b[q.top().se]) { print(-1); ret; } else { ll x = q.top().se; ll y = b[(x - 1 + n) % n] + b[(x + 1 + n) % n]; // debug(x); // debug(y); if (b[x] <= y) { print(-1); ret; } ll tim = (b[x] - a[x]) / y; ans += tim; // debug(tim); q.pop(); b[x] -= tim * y; q.push(mp(b[x], x)); } } print(ans); } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll t = 1; // cin>>t; while (t--) { solve(); } }
#include <bits/stdc++.h> using namespace std; #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define start_routine() int begtime = clock(); #define end_routine() \ int endtime = clock(); \ cerr << endl \ << "Time elapsed: " << (endtime - begtime) * 1000 / CLOCKS_PER_SEC \ << " ms"; \ return 0 #define speed() cin.tie(0), cout.tie(0), ios_base::sync_with_stdio(false) // #define exit(a, b) return cout << a, b; #define loop(i, a, b) for (ll i = a; i < b; i++) #define all(v) v.begin(), v.end() #define print(stuff) cout << stuff << endl #define printc(stuff) \ for (auto x : stuff) \ cout << x << " "; \ cout << endl; #define printPrec(stuff) cout << fixed << setprecision(15) << stuff << endl; #define debug(stuff) cout << #stuff << ": " << stuff << endl #define debugc(stuff) \ cout << #stuff << ": "; \ for (auto x : stuff) \ cout << x << " "; \ cout << endl; #define len length #define ret0 return 0 #define ret return #define ll long long #define ld long double #define fi first #define endl '\n' #define se second #define pb push_back #define mp make_pair #define lb lower_bound #define ub upper_bound #define fill(ar, x) memset(ar, x, sizeof ar) #define vl vector<ll> #define sl set<ll> #define pll pair<ll, ll> #define mll map<ll, ll> #define pq priority_queue<ll> // typedef tree<ll,null_type,less<ll>,rb_tree_tag, // tree_order_statistics_node_update> indexed_set; #define inf (long long int)1e18 #define eps 0.000001 #define mod 1000000007 #define mod1 998244353 #define MAXN (ll)1e5 + 5 // ll f2(ll n){ // // for(int i=0; i<n; i++){ // // cout<<b[i]<<" "; // // } // // cout<<endl; // while(!q.empty() && b[q.top().se] == a[q.top().se]){ // // debug(q.top().se); // // debug(b[q.top().se]); // // debug(a[q.top().se]); // q.pop(); // } // if(q.empty()){ // return 0; // } // if(b[q.top().se] < a[q.top().se]){ // return -1; // } // else { // ll x = q.top().se; // ll y = b[(x-1+n)%n] + b[(x+1+n)%n]; // if(b[x] <= y){ // return -1; // } // else { // ll tim = (b[x]-a[x])/y; // ans2+=tim; // b[x]-=tim*y; // q.pop(); // q.push(mp(b[x],x)); // return f2(n); // } // } // } void solve() { ll n; cin >> n; ll a[n], b[n]; priority_queue<pll> q; loop(i, 0, n) { cin >> a[i]; // q1.push(mp(a[i], i)); } loop(i, 0, n) { cin >> b[i]; q.push(mp(b[i], i)); } ll ans = 0; while (!q.empty()) { if (a[q.top().se] > b[q.top().se]) { print(-1); ret; } while (!q.empty() && b[q.top().se] == a[q.top().se]) { q.pop(); } if (q.empty()) { break; } if (a[q.top().se] > b[q.top().se]) { print(-1); ret; } else { ll x = q.top().se; ll y = b[(x - 1 + n) % n] + b[(x + 1 + n) % n]; // debug(x); // debug(y); if (b[x] <= y) { print(-1); ret; } ll tim = (b[x] - a[x]) / y; if (tim <= 0) { print(-1); ret; } ans += tim; // debug(tim); q.pop(); b[x] -= tim * y; q.push(mp(b[x], x)); } } print(ans); } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll t = 1; // cin>>t; while (t--) { solve(); } }
insert
137
137
137
141
TLE
p02941
C++
Time Limit Exceeded
#include <iostream> #include <queue> #include <vector> using namespace std; #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #define MAX(a, b) (((a) < (b)) ? (b) : (a)) using ll = long long; using ld = long double; int const nmax = 200000; int target[1 + nmax], v[1 + nmax]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; for (int i = 0; i < n; i++) cin >> target[i]; for (int i = 0; i < n; i++) cin >> v[i]; queue<int> q; for (int i = 0; i < n; i++) q.push(i); ll result = 0; while (0 < q.size()) { int pos = q.front(); q.pop(); if (v[pos] < v[(pos + n - 1) % n] || v[pos] < v[(pos + 1) % n]) continue; if (v[pos] <= target[pos]) continue; int stop = max(target[pos], max(v[(pos + 1) % n], v[(pos + (n - 1)) % n])); int jumps = (v[pos] - stop) / (v[(pos + 1) % n] + v[(pos + (n - 1)) % n]); jumps = max(jumps, 1); if (0 < jumps) { v[pos] -= jumps * (v[(pos + 1) % n] + v[(pos + (n - 1)) % n]); q.push((pos + 1) % n); q.push((pos + n - 1) % n); q.push(pos); result += jumps; } } for (int i = 0; i < n; i++) if (v[i] != target[i]) { cout << -1; return 0; } cout << result; return 0; }
#include <iostream> #include <queue> #include <vector> using namespace std; #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #define MAX(a, b) (((a) < (b)) ? (b) : (a)) using ll = long long; using ld = long double; int const nmax = 200000; int target[1 + nmax], v[1 + nmax]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; for (int i = 0; i < n; i++) cin >> target[i]; for (int i = 0; i < n; i++) cin >> v[i]; queue<int> q; for (int i = 0; i < n; i++) q.push(i); ll result = 0; while (0 < q.size()) { int pos = q.front(); q.pop(); if (v[pos] < v[(pos + n - 1) % n] || v[pos] < v[(pos + 1) % n]) continue; if (v[pos] <= target[pos]) continue; int stop = max(target[pos], max(v[(pos + 1) % n], v[(pos + (n - 1)) % n])); int jumps = (v[pos] - stop) / (v[(pos + 1) % n] + v[(pos + (n - 1)) % n]); jumps = max(jumps, 1); if (0 < jumps) { v[pos] -= jumps * (v[(pos + 1) % n] + v[(pos + (n - 1)) % n]); q.push((pos + 1) % n); q.push((pos + n - 1) % n); q.push(pos); result += jumps; } if (v[pos] < target[pos]) break; } for (int i = 0; i < n; i++) if (v[i] != target[i]) { cout << -1; return 0; } cout << result; return 0; }
insert
47
47
47
49
TLE
p02941
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rng(i, l, r) for (int i = int(l); i < int(r); i++) #define rep(i, r) rng(i, 0, r) #define rrng(i, l, r) for (int i = int(r) - 1; i >= int(l); i--) #define rrep(i, r) rrng(i, 0, r) #define pb push_back #define eb emplace_back #define mp make_pair #define mt make_tuple #define one(x) memset(x, -1, sizeof(x)) #define zero(x) memset(x, 0, sizeof(x)) #define F first #define S second #define bg begin() #define ed end() #define all(x) x.bg, x.ed #define si(x) int(x.size()) #define inf INT_MAX / 2 - 100 #define infl LLONG_MAX / 3 #ifdef LOCAL #define dmp(x) cerr << __LINE__ << ' ' << #x << ' ' << x << endl #else #define dmp(x) void(0) #endif template <class t, class u> void chmax(t &a, u b) { if (a < b) a = b; } template <class t, class u> void chmin(t &a, u b) { if (b < a) a = b; } template <class t> using vc = vector<t>; template <class t> using vvc = vector<vector<t>>; using pi = pair<int, int>; using pl = pair<ll, ll>; using vi = vc<int>; using vl = vc<ll>; ll readl(void) { ll x; cin >> x; return x; } int readi(void) { int x; cin >> x; return x; } string readstr() { string s; cin >> s; return s; } vi readvi(int n, int off = 0) { vi v(n); rep(i, n) v[i] = readi(), v[i] += off; return v; } vl readvl(int n, int off = 0) { vl v(n); rep(i, n) v[i] = readl(), v[i] += off; return v; } template <class t> void print(t x, int suc = 1) { cout << x; if (suc == 1) cout << "\n"; if (suc == 2) cout << " "; } template <class t> void print(const vc<t> &v, int suc = 1) { rep(i, si(v)) print(v[i], i == int(si(v)) - 1 ? 1 : suc); } template <class t> bool inc(t a, t b, t c) { return !(c < b || b < a); } template <class t> void compress(vc<t> &v) { sort(all(v)); v.erase(unique(all(v)), v.ed); } template <class t> int lwb(const vc<t> &v, const t &a) { return lower_bound(all(v), a) - v.bg; } template <class t> struct Compress { vc<t> v; Compress() = default; Compress(const vc<t> &x) { add(x); } Compress(const initializer_list<vc<t>> &x) { for (auto &p : x) add(p); } void add(const t &x) { v.eb(x); } void add(const vc<t> &x) { copy(all(x), back_inserter(v)); } void build() { compress(v); } int get(const t &x) const { return lwb(v, x); } vc<t> get(const vc<t> &x) const { vc<t> res(x); for (auto &p : res) p = get(p); return res; } const t &operator[](int x) const { return v[x]; } }; void Yes(bool ex = true) { cout << "Yes\n"; if (ex) exit(0); } void YES(bool ex = true) { cout << "YES\n"; if (ex) exit(0); } void No(bool ex = true) { cout << "No\n"; if (ex) exit(0); } void NO(bool ex = true) { cout << "NO\n"; if (ex) exit(0); } void orYes(bool x, bool ex = true) { if (x) Yes(ex); else No(ex); } void orYES(bool x, bool ex = true) { if (x) YES(ex); else NO(ex); } void Possible(bool ex = true) { cout << "Possible\n"; if (ex) exit(0); } void POSSIBLE(bool ex = true) { cout << "POSSIBLE\n"; if (ex) exit(0); } void Impossible(bool ex = true) { cout << "Impossible\n"; if (ex) exit(0); } void IMPOSSIBLE(bool ex = true) { cout << "IMPOSSIBLE\n"; if (ex) exit(0); } void orPossible(bool x, bool ex = true) { if (x) Possible(ex); else Impossible(ex); } void orPOSSIBLE(bool x, bool ex = true) { if (x) POSSIBLE(ex); else IMPOSSIBLE(ex); } ll n, a[100005], b[100005], ans; int main(void) { cin.tie(0); ios::sync_with_stdio(0); cin >> n; rep(i, n) cin >> a[i]; rep(i, n) cin >> b[i]; priority_queue<pl> pq; rep(i, n) { if (a[i] > b[i]) { cout << -1 << endl; return 0; } pq.push(mp(b[i], i)); } while (!pq.empty()) { ll y = pq.top().S; pq.pop(); ll x = (y - 1 + n) % n, z = (y + 1) % n; ll s = b[x] + b[z]; /* rep(i,n)cout<<b[i]<<' '; cout<<endl; cout<<y<<' '<<b[y]<<' '<<s<<endl; */ if (b[y] <= s) continue; if ((b[y] - a[y]) % s == 0) { ans += (b[y] - a[y]) / s; b[y] = a[y]; } else { ans += b[y] / s; b[y] %= s; if (b[y] < b[x] || b[y] < b[z]) { pq.push(mp(b[y], y)); } } } rep(i, n) { if (a[i] != b[i]) { cout << -1 << endl; return 0; } } print(ans); }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rng(i, l, r) for (int i = int(l); i < int(r); i++) #define rep(i, r) rng(i, 0, r) #define rrng(i, l, r) for (int i = int(r) - 1; i >= int(l); i--) #define rrep(i, r) rrng(i, 0, r) #define pb push_back #define eb emplace_back #define mp make_pair #define mt make_tuple #define one(x) memset(x, -1, sizeof(x)) #define zero(x) memset(x, 0, sizeof(x)) #define F first #define S second #define bg begin() #define ed end() #define all(x) x.bg, x.ed #define si(x) int(x.size()) #define inf INT_MAX / 2 - 100 #define infl LLONG_MAX / 3 #ifdef LOCAL #define dmp(x) cerr << __LINE__ << ' ' << #x << ' ' << x << endl #else #define dmp(x) void(0) #endif template <class t, class u> void chmax(t &a, u b) { if (a < b) a = b; } template <class t, class u> void chmin(t &a, u b) { if (b < a) a = b; } template <class t> using vc = vector<t>; template <class t> using vvc = vector<vector<t>>; using pi = pair<int, int>; using pl = pair<ll, ll>; using vi = vc<int>; using vl = vc<ll>; ll readl(void) { ll x; cin >> x; return x; } int readi(void) { int x; cin >> x; return x; } string readstr() { string s; cin >> s; return s; } vi readvi(int n, int off = 0) { vi v(n); rep(i, n) v[i] = readi(), v[i] += off; return v; } vl readvl(int n, int off = 0) { vl v(n); rep(i, n) v[i] = readl(), v[i] += off; return v; } template <class t> void print(t x, int suc = 1) { cout << x; if (suc == 1) cout << "\n"; if (suc == 2) cout << " "; } template <class t> void print(const vc<t> &v, int suc = 1) { rep(i, si(v)) print(v[i], i == int(si(v)) - 1 ? 1 : suc); } template <class t> bool inc(t a, t b, t c) { return !(c < b || b < a); } template <class t> void compress(vc<t> &v) { sort(all(v)); v.erase(unique(all(v)), v.ed); } template <class t> int lwb(const vc<t> &v, const t &a) { return lower_bound(all(v), a) - v.bg; } template <class t> struct Compress { vc<t> v; Compress() = default; Compress(const vc<t> &x) { add(x); } Compress(const initializer_list<vc<t>> &x) { for (auto &p : x) add(p); } void add(const t &x) { v.eb(x); } void add(const vc<t> &x) { copy(all(x), back_inserter(v)); } void build() { compress(v); } int get(const t &x) const { return lwb(v, x); } vc<t> get(const vc<t> &x) const { vc<t> res(x); for (auto &p : res) p = get(p); return res; } const t &operator[](int x) const { return v[x]; } }; void Yes(bool ex = true) { cout << "Yes\n"; if (ex) exit(0); } void YES(bool ex = true) { cout << "YES\n"; if (ex) exit(0); } void No(bool ex = true) { cout << "No\n"; if (ex) exit(0); } void NO(bool ex = true) { cout << "NO\n"; if (ex) exit(0); } void orYes(bool x, bool ex = true) { if (x) Yes(ex); else No(ex); } void orYES(bool x, bool ex = true) { if (x) YES(ex); else NO(ex); } void Possible(bool ex = true) { cout << "Possible\n"; if (ex) exit(0); } void POSSIBLE(bool ex = true) { cout << "POSSIBLE\n"; if (ex) exit(0); } void Impossible(bool ex = true) { cout << "Impossible\n"; if (ex) exit(0); } void IMPOSSIBLE(bool ex = true) { cout << "IMPOSSIBLE\n"; if (ex) exit(0); } void orPossible(bool x, bool ex = true) { if (x) Possible(ex); else Impossible(ex); } void orPOSSIBLE(bool x, bool ex = true) { if (x) POSSIBLE(ex); else IMPOSSIBLE(ex); } ll n, a[200005], b[200005], ans; int main(void) { cin.tie(0); ios::sync_with_stdio(0); cin >> n; rep(i, n) cin >> a[i]; rep(i, n) cin >> b[i]; priority_queue<pl> pq; rep(i, n) { if (a[i] > b[i]) { cout << -1 << endl; return 0; } pq.push(mp(b[i], i)); } while (!pq.empty()) { ll y = pq.top().S; pq.pop(); ll x = (y - 1 + n) % n, z = (y + 1) % n; ll s = b[x] + b[z]; /* rep(i,n)cout<<b[i]<<' '; cout<<endl; cout<<y<<' '<<b[y]<<' '<<s<<endl; */ if (b[y] <= s) continue; if ((b[y] - a[y]) % s == 0) { ans += (b[y] - a[y]) / s; b[y] = a[y]; } else { ans += b[y] / s; b[y] %= s; if (b[y] < b[x] || b[y] < b[z]) { pq.push(mp(b[y], y)); } } } rep(i, n) { if (a[i] != b[i]) { cout << -1 << endl; return 0; } } print(ans); }
replace
181
182
181
182
0
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; #define fi first #define se second #define mp make_pair #define fastIO \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); const int N = (int)2e5 + 9; int a[N], b[N]; bool is[N]; int n; priority_queue<pii> tf; void check(int x) { if (is[x]) { return; } if (b[x] > a[x] && b[x] > b[(x - 1 + n) % n] + b[(x + 1) % n]) { tf.push(mp(b[x], x)); is[x] = true; } } int main() { fastIO; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { cin >> b[i]; } for (int i = 0; i < n; i++) { check(i); } ll res = 0; int idx; ll dd; while (!tf.empty()) { idx = tf.top().se; tf.pop(); is[idx] = false; dd = b[idx] - a[idx]; res += dd / (b[(idx + 1) % n] + b[(idx - 1 + n) % n]); b[idx] = a[idx] + (dd % (b[(idx + 1) % n] + b[(idx - 1 + n) % n])); check(idx); check((idx - 1 + n) % n); check((idx + 1) % n); } for (int i = 0; i < n; i++) { if (a[i] != b[i]) { cout << -1; return 0; } } cout << res << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; #define fi first #define se second #define mp make_pair #define fastIO \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); const int N = (int)2e5 + 9; int a[N], b[N]; bool is[N]; int n; priority_queue<pii> tf; void check(int x) { if (is[x]) { return; } if (b[x] > a[x] && b[x] > b[(x - 1 + n) % n] + b[(x + 1) % n]) { tf.push(mp(b[x], x)); is[x] = true; } } int main() { fastIO; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { cin >> b[i]; } for (int i = 0; i < n; i++) { check(i); } ll res = 0; int idx; ll dd; while (!tf.empty()) { idx = tf.top().se; tf.pop(); is[idx] = false; dd = b[idx] - a[idx]; res += dd / (b[(idx + 1) % n] + b[(idx - 1 + n) % n]); b[idx] = a[idx] + (dd % (b[(idx + 1) % n] + b[(idx - 1 + n) % n])); check((idx - 1 + n) % n); check((idx + 1) % n); } for (int i = 0; i < n; i++) { if (a[i] != b[i]) { cout << -1; return 0; } } cout << res << "\n"; return 0; }
delete
54
55
54
54
TLE
p02941
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define int long long #define MOD 1000000007 #define pb push_back #define all(a) (a).begin(), (a).end() #define F first #define S second #define endl '\n' #define PI 3.14159265359d #define sz(x) (int)x.size() #define rep(i, a, b) for (int i = a; i < b; i++) #define magic 109 #define INF INT_MAX using namespace std; const int maxn = 200000; int n; int a[maxn], b[maxn]; priority_queue<int> pq; void check_insert(int i) { int i_prev = (i + n - 1) % n, i_next = (i + 1) % n; if (b[i] - a[i] >= b[i_prev] + b[i_next]) { pq.push(i); } } void solve() { cin >> n; rep(i, 0, n) cin >> a[i]; rep(i, 0, n) cin >> b[i]; int res = 0; rep(i, 0, n) { check_insert(i); } while (!pq.empty()) { int i = pq.top(); pq.pop(); int i_prev = (i + n - 1) % n, i_next = (i + 1) % n; int k = (b[i] - a[i]) / (b[i_prev] + b[i_next]); b[i] -= k * (b[i_prev] + b[i_next]); res += k; check_insert(i_prev); check_insert(i); check_insert(i_next); } rep(i, 0, n) if (a[i] != b[i]) { cout << -1; return; } cout << res; } signed main() { #ifndef ONLINE_JUDGE // for getting input from input.txt freopen("input.txt", "r", stdin); // for writing output to output.txt freopen("output.txt", "w", stdout); #endif ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t = 1; // cin>>t; while (t--) solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long #define MOD 1000000007 #define pb push_back #define all(a) (a).begin(), (a).end() #define F first #define S second #define endl '\n' #define PI 3.14159265359d #define sz(x) (int)x.size() #define rep(i, a, b) for (int i = a; i < b; i++) #define magic 109 #define INF INT_MAX using namespace std; const int maxn = 200000; int n; int a[maxn], b[maxn]; priority_queue<int> pq; void check_insert(int i) { int i_prev = (i + n - 1) % n, i_next = (i + 1) % n; if (b[i] - a[i] >= b[i_prev] + b[i_next]) { pq.push(i); } } void solve() { cin >> n; rep(i, 0, n) cin >> a[i]; rep(i, 0, n) cin >> b[i]; int res = 0; rep(i, 0, n) { check_insert(i); } while (!pq.empty()) { int i = pq.top(); pq.pop(); int i_prev = (i + n - 1) % n, i_next = (i + 1) % n; int k = (b[i] - a[i]) / (b[i_prev] + b[i_next]); b[i] -= k * (b[i_prev] + b[i_next]); res += k; check_insert(i_prev); check_insert(i); check_insert(i_next); } rep(i, 0, n) if (a[i] != b[i]) { cout << -1; return; } cout << res; } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t = 1; // cin>>t; while (t--) solve(); return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using i64 = long long; const i64 MOD = 998244353; const i64 INF = i64(1e18) + 7; template <typename T> bool chmin(T &x, T y) { if (x > y) { x = y; return true; } return false; } template <typename T> bool chmax(T &x, T y) { if (x < y) { x = y; return true; } return false; } signed main() { int n; cin >> n; vector<i64> a(n), v(n); for (int i = 0; i < n; ++i) cin >> a[i]; for (int i = 0; i < n; ++i) cin >> v[i]; priority_queue<pair<i64, int>> que; for (int i = 0; i < n; ++i) que.emplace(v[i], i); i64 ans = 0; while (!que.empty()) { i64 val; int i; tie(val, i) = que.top(); que.pop(); i64 su = v[(i + 1) % n] + v[(i + n - 1) % n]; i64 ma = max({v[(i + 1) % n], v[(i + n - 1) % n], a[i]}); i64 diff = val - ma; i64 cnt = (diff + su - 1) / su; ans += cnt; val -= su * cnt; v[i] = val; if (val > a[i]) que.emplace(val, i); } cout << (a == v ? ans : -1) << endl; }
#include <bits/stdc++.h> using namespace std; using i64 = long long; const i64 MOD = 998244353; const i64 INF = i64(1e18) + 7; template <typename T> bool chmin(T &x, T y) { if (x > y) { x = y; return true; } return false; } template <typename T> bool chmax(T &x, T y) { if (x < y) { x = y; return true; } return false; } signed main() { int n; cin >> n; vector<i64> a(n), v(n); for (int i = 0; i < n; ++i) cin >> a[i]; for (int i = 0; i < n; ++i) cin >> v[i]; priority_queue<pair<i64, int>> que; for (int i = 0; i < n; ++i) que.emplace(v[i], i); i64 ans = 0; while (!que.empty()) { i64 val; int i; tie(val, i) = que.top(); que.pop(); i64 su = v[(i + 1) % n] + v[(i + n - 1) % n]; i64 ma = max({v[(i + 1) % n], v[(i + n - 1) % n], a[i]}); i64 diff = val - ma; i64 cnt = (diff + su - 1) / su; ans += cnt; val -= su * cnt; v[i] = val; if (val > a[i]) que.emplace(val, i); if (val < a[i]) { cout << -1 << endl; return 0; } } cout << (a == v ? ans : -1) << endl; }
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p02941
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define F first #define S second #define mp make_pair #define pb push_back #define f(i, x, n) for (int i = x; i < n; i++) #define all(c) c.begin(), c.end() #define int ll #define print(x) cerr << (#x) << "is " << x << "\n" using ll = long long; using pii = pair<int, int>; const int MOD = 1e9 + 7, N = 1e5 + 10; int32_t main() { ios::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int n; cin >> n; vector<int> a(n), b(n); set<pii> sa, sb; f(i, 0, n) { cin >> a[i]; sa.insert({a[i], i}); } f(i, 0, n) { cin >> b[i]; sb.insert({b[i], i}); } vector<int> val1(n, 0), val2(n, 0); while (!sa.empty()) { auto k = sa.end(); k--; sa.erase(k); int in = (*k).S; int sm = a[(in - 1 + n) % n] + a[(in + 1) % n]; if (!sm) continue; int kk = a[in] / sm; if (kk) { a[in] -= kk * sm; val1[in] += kk; sa.insert({a[in], in}); } } while (!sb.empty()) { auto k = sb.end(); k--; sb.erase(k); int in = (*k).S; int sm = b[(in - 1 + n) % n] + b[(in + 1) % n]; if (!sm) continue; int kk = b[in] / sm; if (kk) { b[in] -= kk * sm; val2[in] += kk; sb.insert({b[in], in}); } } int ans = 0; f(i, 0, n) { if (a[i] != b[i]) { cout << "-1\n"; return 0; } ans += val2[i]; ans -= val1[i]; } cout << ans << '\n'; return 0; }
#include <bits/stdc++.h> using namespace std; #define F first #define S second #define mp make_pair #define pb push_back #define f(i, x, n) for (int i = x; i < n; i++) #define all(c) c.begin(), c.end() #define int ll #define print(x) cerr << (#x) << "is " << x << "\n" using ll = long long; using pii = pair<int, int>; const int MOD = 1e9 + 7, N = 1e5 + 10; int32_t main() { ios::sync_with_stdio(false); cin.tie(NULL); // #ifndef ONLINE_JUDGE // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); // #endif int n; cin >> n; vector<int> a(n), b(n); set<pii> sa, sb; f(i, 0, n) { cin >> a[i]; sa.insert({a[i], i}); } f(i, 0, n) { cin >> b[i]; sb.insert({b[i], i}); } vector<int> val1(n, 0), val2(n, 0); while (!sa.empty()) { auto k = sa.end(); k--; sa.erase(k); int in = (*k).S; int sm = a[(in - 1 + n) % n] + a[(in + 1) % n]; if (!sm) continue; int kk = a[in] / sm; if (kk) { a[in] -= kk * sm; val1[in] += kk; sa.insert({a[in], in}); } } while (!sb.empty()) { auto k = sb.end(); k--; sb.erase(k); int in = (*k).S; int sm = b[(in - 1 + n) % n] + b[(in + 1) % n]; if (!sm) continue; int kk = b[in] / sm; if (kk) { b[in] -= kk * sm; val2[in] += kk; sb.insert({b[in], in}); } } int ans = 0; f(i, 0, n) { if (a[i] != b[i]) { cout << "-1\n"; return 0; } ans += val2[i]; ans -= val1[i]; } cout << ans << '\n'; return 0; }
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p02941
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef stack<int> S; const int N = 200200; int n; int a[N]; int b[N]; S s; void gg() { puts("-1"); exit(0); } int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &a[i]); } for (int i = 0; i < n; i++) { scanf("%d", &b[i]); } for (int i = 0; i < n; i++) { s.push(i); } LL ans = 0; while (!s.empty()) { int x = s.top(); s.pop(); int l = (x - 1 + n) % n; int r = (x + 1) % n; LL db = b[l] + b[r]; LL da = b[x] - a[x]; if (b[x] <= db) { continue; } int o = da / db; if (o == 0) { continue; } ans += o; b[x] -= o * db; assert(b[x] >= a[x]); s.push(l); s.push(r); } for (int i = 0; i < n; i++) { if (a[i] != b[i]) { gg(); } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef stack<int> S; const int N = 200200; int n; int a[N]; int b[N]; S s; void gg() { puts("-1"); exit(0); } int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &a[i]); } for (int i = 0; i < n; i++) { scanf("%d", &b[i]); if (b[i] < a[i]) { gg(); } } for (int i = 0; i < n; i++) { s.push(i); } LL ans = 0; while (!s.empty()) { int x = s.top(); s.pop(); int l = (x - 1 + n) % n; int r = (x + 1) % n; LL db = b[l] + b[r]; LL da = b[x] - a[x]; if (b[x] <= db) { continue; } int o = da / db; if (o == 0) { continue; } ans += o; b[x] -= o * db; assert(b[x] >= a[x]); s.push(l); s.push(r); } for (int i = 0; i < n; i++) { if (a[i] != b[i]) { gg(); } } cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define TRACE #ifdef TRACE #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char *name, Arg1 &&arg1) { cerr << name << " : " << arg1 << std::endl; } template <typename Arg1, typename... Args> void __f(const char *names, Arg1 &&arg1, Args &&...args) { const char *comma = strchr(names + 1, ','); cerr.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } #else #define trace(...) #endif #define rep(i, n) for (int i = 0; i < (n); ++i) #define repA(i, a, n) for (int i = a; i <= (n); ++i) #define repD(i, a, n) for (int i = a; i >= (n); --i) #define trav(a, x) for (auto &a : x) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() #define fill(a) memset(a, 0, sizeof(a)) #define fst first #define snd second #define mp make_pair #define pb push_back typedef long double ld; typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; void pre() {} void solve() {} int a[200009], b[200009]; bool vis[200009]; int main() { cin.sync_with_stdio(0); cin.tie(0); cin.exceptions(cin.failbit); pre(); int n; cin >> n; rep(i, n) cin >> a[i]; priority_queue<pii> q; ll ans = 0; rep(i, n) { int x; cin >> x; b[i] = x; if (b[i] == a[i]) vis[i] = 1; else q.push(mp(x, i)); } while (!q.empty()) { pii z = q.top(); q.pop(); int i = z.snd, j = (i + n - 1) % n, k = (i + 1) % n; if (z.fst - b[j] - b[k] < a[i]) { cout << -1; return 0; } int lst = a[i]; if ((!vis[j] || !vis[k]) && sz(q)) lst = max(lst, q.top().fst - 1); int d = (z.fst - lst + b[j] + b[k] - 1) / (b[j] + b[k]); d = max(1, d); ans += d; b[i] -= d * (b[j] + b[k]); if (b[i] < a[i]) { cout << -1; return 0; } else if (b[i] == a[i]) vis[i] = 1; else q.push(mp(b[i], i)); } cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; #define TRACE #ifdef TRACE #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char *name, Arg1 &&arg1) { cerr << name << " : " << arg1 << std::endl; } template <typename Arg1, typename... Args> void __f(const char *names, Arg1 &&arg1, Args &&...args) { const char *comma = strchr(names + 1, ','); cerr.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } #else #define trace(...) #endif #define rep(i, n) for (int i = 0; i < (n); ++i) #define repA(i, a, n) for (int i = a; i <= (n); ++i) #define repD(i, a, n) for (int i = a; i >= (n); --i) #define trav(a, x) for (auto &a : x) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() #define fill(a) memset(a, 0, sizeof(a)) #define fst first #define snd second #define mp make_pair #define pb push_back typedef long double ld; typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; void pre() {} void solve() {} int a[200009], b[200009]; bool vis[200009]; int main() { cin.sync_with_stdio(0); cin.tie(0); cin.exceptions(cin.failbit); pre(); int n; cin >> n; rep(i, n) cin >> a[i]; priority_queue<pii> q; ll ans = 0; rep(i, n) { int x; cin >> x; b[i] = x; if (b[i] == a[i]) vis[i] = 1; else q.push(mp(x, i)); } while (!q.empty()) { pii z = q.top(); q.pop(); int i = z.snd, j = (i + n - 1) % n, k = (i + 1) % n; if (z.fst - b[j] - b[k] < a[i]) { cout << -1; return 0; } int lst = a[i]; if (!vis[j]) lst = max(lst, b[j] - 1); if (!vis[k]) lst = max(lst, b[k] - 1); int d = (z.fst - lst + b[j] + b[k] - 1) / (b[j] + b[k]); d = max(1, d); ans += d; b[i] -= d * (b[j] + b[k]); if (b[i] < a[i]) { cout << -1; return 0; } else if (b[i] == a[i]) vis[i] = 1; else q.push(mp(b[i], i)); } cout << ans; return 0; }
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TLE
p02941
C++
Time Limit Exceeded
/* `-:://:::- `//:-------:/:` .+:--.......--:+` `+:--..`````..--//` .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 comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #pragma GCC optimize("unroll-loops") #endif #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 ppb pop_back #define mp make_pair #define umap unordered_map #define uset unordered_set #define elif else if #define len(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 double &x) { printf("%.15lf", x); } void fast_print(const long double &x) { printf("%.15Lf", x); } void fast_print(const char &x) { printf("%c", 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 #define int long long namespace typedefs { typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef long double ld; } // namespace typedefs namespace numbers_operation { template <class T> T floor_mod(T a, T b) { if (a >= 0 && b >= 0) return a % b; if (a <= 0 && b <= 0) return a % b; return abs(b) - (abs(a) % abs(b)); } } // namespace numbers_operation using namespace numbers_operation; using namespace typedefs; using namespace random; int n; vector<int> a, b; signed main(signed argc, char *argv[]) { scan n; a.resize(n); b.resize(n); scan a, b; auto cmp = [](int i, int j) { return b[i] < b[j]; }; priority_queue<int, vector<int>, decltype(cmp)> deq(cmp); for (int i = 0; i < n; i++) deq.push(i); ll rez = 0; while (!deq.empty()) { int i = deq.top(); deq.pop(); int j = (i + 1) % n; int k = (i - 1 + n) % n; if (b[i] >= a[i] && b[i] >= b[j] && b[i] >= b[k]) { int c = (b[i] - a[i]) / (b[j] + b[k]); b[i] -= c * (b[j] + b[k]); rez += c; deq.push(j); deq.push(k); } } if (b != a) { print - 1; } else { 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 comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #pragma GCC optimize("unroll-loops") #endif #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 ppb pop_back #define mp make_pair #define umap unordered_map #define uset unordered_set #define elif else if #define len(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 double &x) { printf("%.15lf", x); } void fast_print(const long double &x) { printf("%.15Lf", x); } void fast_print(const char &x) { printf("%c", 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 #define int long long namespace typedefs { typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef long double ld; } // namespace typedefs namespace numbers_operation { template <class T> T floor_mod(T a, T b) { if (a >= 0 && b >= 0) return a % b; if (a <= 0 && b <= 0) return a % b; return abs(b) - (abs(a) % abs(b)); } } // namespace numbers_operation using namespace numbers_operation; using namespace typedefs; using namespace random; int n; vector<int> a, b; signed main(signed argc, char *argv[]) { scan n; a.resize(n); b.resize(n); scan a, b; auto cmp = [](int i, int j) { return b[i] < b[j]; }; priority_queue<int, vector<int>, decltype(cmp)> deq(cmp); for (int i = 0; i < n; i++) deq.push(i); ll rez = 0; while (!deq.empty()) { int i = deq.top(); deq.pop(); int j = (i + 1) % n; int k = (i - 1 + n) % n; if (b[i] >= a[i] && b[i] >= b[j] && b[i] >= b[k]) { int c = (b[i] - a[i]) / (b[j] + b[k]); if (c == 0) continue; b[i] -= c * (b[j] + b[k]); rez += c; deq.push(j); deq.push(k); } } if (b != a) { print - 1; } else { print rez; } }
insert
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TLE
p02941
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define FOR(i, a, b) for (int i = a; i < b; ++i) #define REP(i, n) FOR(i, 0, n) #define _ << " " << #define pb push_back #define fi first #define se second typedef double lf; typedef long long ll; typedef pair<int, int> pii; const int mod = 998244353; int add(int x, int y) { x += y; if (x >= mod) return x - mod; return x; } int sub(int x, int y) { x -= y; if (x < 0) return x + mod; return x; } int mul(int x, int y) { return (ll)x * y % mod; } const int MAXN = 2e5 + 5; int a[MAXN], f[MAXN]; int n; int M(int i) { return (i + n) % n; } bool check(int i) { return a[i] > a[M(i + 1)] && a[i] > a[M(i - 1)]; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> n; REP(i, n) cin >> f[i]; REP(i, n) cin >> a[i]; vector<int> good; REP(i, n) { if (check(i)) { good.pb(i); } } ll sol = 0; while (good.size()) { int i = good.back(); good.pop_back(); int sums = a[M(i + 1)] + a[M(i - 1)]; int times = max(0, (a[i] - max(f[i], max(a[M(i + 1)], a[M(i - 1)])) - 1)) / sums; times++; sol += times; a[i] -= times * sums; if (check(M(i + 1))) good.pb(M(i + 1)); if (check(M(i - 1))) good.pb(M(i - 1)); } REP(i, n) if (a[i] != f[i]) { cout << -1 << endl; return 0; } cout << sol << endl; }
#include <bits/stdc++.h> using namespace std; #define FOR(i, a, b) for (int i = a; i < b; ++i) #define REP(i, n) FOR(i, 0, n) #define _ << " " << #define pb push_back #define fi first #define se second typedef double lf; typedef long long ll; typedef pair<int, int> pii; const int mod = 998244353; int add(int x, int y) { x += y; if (x >= mod) return x - mod; return x; } int sub(int x, int y) { x -= y; if (x < 0) return x + mod; return x; } int mul(int x, int y) { return (ll)x * y % mod; } const int MAXN = 2e5 + 5; int a[MAXN], f[MAXN]; int n; int M(int i) { return (i + n) % n; } bool check(int i) { return a[i] > a[M(i + 1)] && a[i] > a[M(i - 1)]; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> n; REP(i, n) cin >> f[i]; REP(i, n) cin >> a[i]; vector<int> good; REP(i, n) { if (check(i)) { good.pb(i); } } ll sol = 0; while (good.size()) { int i = good.back(); good.pop_back(); int sums = a[M(i + 1)] + a[M(i - 1)]; int times = max(0, (a[i] - max(f[i], max(a[M(i + 1)], a[M(i - 1)])) - 1)) / sums; if (a[i] == f[i]) times--; times++; sol += times; a[i] -= times * sums; if (check(M(i + 1))) good.pb(M(i + 1)); if (check(M(i - 1))) good.pb(M(i - 1)); } REP(i, n) if (a[i] != f[i]) { cout << -1 << endl; return 0; } cout << sol << endl; }
insert
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0
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (a); i < (b); ++i) #define trav(a, x) for (auto &a : x) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() #define pb push_back #define fst first #define snd second #define PI (acos(-1)) #define max(a, b) ((a) > (b) ? (a) : (b)) #define min(a, b) ((a) < (b) ? (a) : (b)) #define MAXN 1123456 #define MOD 1000000007 typedef long long ll; typedef long double ld; typedef pair<ll, ll> pii; typedef vector<ll> vi; typedef vector<pii> vii; typedef vector<vi> vvi; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n; cin >> n; vi a(n), b(n); rep(i, 0, n) cin >> a[i]; rep(i, 0, n) cin >> b[i]; ll c = 0; priority_queue<pii> pq; rep(i, 0, n) pq.push({b[i], i}); bool good = true; while (!pq.empty()) { int wtf = pq.top().fst; int m = pq.top().snd; pq.pop(); if (b[m] != wtf) continue; if (b[m] == a[m]) continue; int m1 = -1; if (!pq.empty()) m1 = pq.top().snd; int y = a[m]; if (m1 >= 0) y = max(y, b[m1]); int sum = b[(m - 1 + n) % n] + b[(m + 1) % n]; int k = ((b[m] - y + sum - 1) / sum); b[m] -= k * sum; c += k; if (b[m] != a[m]) pq.push({b[m], m}); // cerr << m << " " << b[m] << endl; if (b[m] < a[m]) goto fail; } rep(i, 0, n) { if (a[i] != b[i]) { good = false; if (b[i] < a[i]) goto fail; } } if (good) cout << c << endl; else cout << -1 << endl; if (good) return 0; fail: cout << -1 << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (a); i < (b); ++i) #define trav(a, x) for (auto &a : x) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() #define pb push_back #define fst first #define snd second #define PI (acos(-1)) #define max(a, b) ((a) > (b) ? (a) : (b)) #define min(a, b) ((a) < (b) ? (a) : (b)) #define MAXN 1123456 #define MOD 1000000007 typedef long long ll; typedef long double ld; typedef pair<ll, ll> pii; typedef vector<ll> vi; typedef vector<pii> vii; typedef vector<vi> vvi; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n; cin >> n; vi a(n), b(n); rep(i, 0, n) cin >> a[i]; rep(i, 0, n) cin >> b[i]; ll c = 0; priority_queue<pii> pq; rep(i, 0, n) pq.push({b[i], i}); bool good = true; while (!pq.empty()) { int wtf = pq.top().fst; int m = pq.top().snd; pq.pop(); if (b[m] != wtf) continue; if (b[m] == a[m]) continue; int y = max(a[m], max(b[(m - 1 + n) % n], b[(m + 1) % n])); int sum = b[(m - 1 + n) % n] + b[(m + 1) % n]; int k = ((b[m] - y + sum - 1) / sum); b[m] -= k * sum; c += k; if (b[m] != a[m]) pq.push({b[m], m}); // cerr << m << " " << b[m] << endl; if (b[m] < a[m]) goto fail; } rep(i, 0, n) { if (a[i] != b[i]) { good = false; if (b[i] < a[i]) goto fail; } } if (good) cout << c << endl; else cout << -1 << endl; if (good) return 0; fail: cout << -1 << endl; }
replace
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TLE
p02941
C++
Time Limit Exceeded
#include <algorithm> #include <cassert> #include <cmath> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <sstream> #include <stack> #include <string.h> #include <string> #include <unistd.h> #include <unordered_map> #include <vector> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<vvl> vvvl; typedef vector<vvvl> vvvvl; typedef vector<vi> vvi; typedef vector<vvi> vvvi; typedef vector<bool> vb; typedef vector<vector<bool>> vvb; typedef vector<vvb> vvvb; typedef vector<vvvb> vvvvb; typedef vector<string> vs; typedef vector<vs> vvs; typedef vector<vvs> vvvs; typedef vector<char> vc; typedef vector<vector<char>> vvc; typedef vector<double> vd; typedef vector<vd> vvd; typedef vector<vvd> vvvd; typedef pair<ll, ll> PL; typedef vector<PL> vpl; typedef vector<vector<PL>> vvpl; typedef vector<vvpl> vvvpl; typedef pair<ll, PL> TL; typedef vector<TL> vtl; typedef vector<vtl> vvtl; typedef long double ld; typedef vector<ld> vld; const ll LINF = 1e17; const double pi = 3.1415926535897932; const string endstr = "\n"; #define FOR(i, a, b) for (ll i = (a); i < b; i++) #define RFOR(i, a, b) for (ll i = (a); i > b; i--) #define rep(i, n) for (ll i = 0; i < n; i++) #define rrep(i, n) for (ll i = n - 1; i > -1; i--) #define FORMAP(it, m) for (auto it = m.begin(); it != m.end(); it++) #define ff first #define ss second #define pb push_back #define epb emplace_back #define ALL(X) (X).begin(), (X).end() template <typename T> T gcd(T a, T b) { return (a == 0) ? b : gcd(b % a, a); } template <typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; } bool p_comp_fs(const PL p1, const PL p2) { return p1.first < p2.first; }; bool p_comp_fg(const PL p1, const PL p2) { return p1.first > p2.first; }; bool p_comp_ss(const PL p1, const PL p2) { return p1.second < p2.second; }; bool p_comp_sg(const PL p1, const PL p2) { return p1.second > p2.second; }; template <typename T> vector<T> uniquen(vector<T> vec /* copy */) { sort(ALL(vec)); vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; } inline ll popcnt(ll x) { return __builtin_popcountll((unsigned long long)x); }; template <class T> bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } // friend bool operator<(const tpl& lhs, const tpl& rhs){ // return std::tie(lhs.l, lhs.r) < std::tie(rhs.l, rhs.r); // } bool bit(ll st, ll b) { return ((st >> b) & 1) == 1; } int main() { ifstream file("../../../../../in.txt"); if (file.is_open()) cin.rdbuf(file.rdbuf()); ios_base::sync_with_stdio(false); cin.tie(nullptr); ll N; cin >> N; vl A(N); rep(i, N) cin >> A[i]; vl B(N); rep(i, N) cin >> B[i]; set<PL, greater<PL>> s; rep(i, N) { if (B[i] != A[i]) s.insert({B[i], i}); } if (s.empty()) { cout << 0 << endstr; return 0; } ll cnt = 0; while (!s.empty()) { ll idx = s.begin()->ss; ll l = (idx - 1 + N) % N, r = (idx + 1 + N) % N; if (s.size() < 2) { ll dif = B[idx] - A[idx], div = B[l] + B[r]; if (dif % div != 0) { cout << -1 << endstr; return 0; } else { cnt += dif / div; cout << cnt << endstr; return 0; } } else { auto nmx = next(s.begin())->ff; if (A[idx] >= nmx) { ll dif = B[idx] - A[idx], div = B[l] + B[r]; if (dif % div != 0) { cout << -1 << endstr; return 0; } else { cnt += dif / div; B[idx] = A[idx]; s.erase(s.begin()); } } else { ll dif = B[idx] - nmx, div = B[l] + B[r]; ll add = (dif + div - 1) / div; cnt += add; B[idx] -= add * div; if (B[idx] < A[idx]) { cout << -1 << endstr; return 0; } s.erase(s.begin()); if (B[idx] != A[idx]) { s.insert({B[idx], idx}); } } } } cout << -1 << endstr; return 0; }
#include <algorithm> #include <cassert> #include <cmath> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <sstream> #include <stack> #include <string.h> #include <string> #include <unistd.h> #include <unordered_map> #include <vector> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<vvl> vvvl; typedef vector<vvvl> vvvvl; typedef vector<vi> vvi; typedef vector<vvi> vvvi; typedef vector<bool> vb; typedef vector<vector<bool>> vvb; typedef vector<vvb> vvvb; typedef vector<vvvb> vvvvb; typedef vector<string> vs; typedef vector<vs> vvs; typedef vector<vvs> vvvs; typedef vector<char> vc; typedef vector<vector<char>> vvc; typedef vector<double> vd; typedef vector<vd> vvd; typedef vector<vvd> vvvd; typedef pair<ll, ll> PL; typedef vector<PL> vpl; typedef vector<vector<PL>> vvpl; typedef vector<vvpl> vvvpl; typedef pair<ll, PL> TL; typedef vector<TL> vtl; typedef vector<vtl> vvtl; typedef long double ld; typedef vector<ld> vld; const ll LINF = 1e17; const double pi = 3.1415926535897932; const string endstr = "\n"; #define FOR(i, a, b) for (ll i = (a); i < b; i++) #define RFOR(i, a, b) for (ll i = (a); i > b; i--) #define rep(i, n) for (ll i = 0; i < n; i++) #define rrep(i, n) for (ll i = n - 1; i > -1; i--) #define FORMAP(it, m) for (auto it = m.begin(); it != m.end(); it++) #define ff first #define ss second #define pb push_back #define epb emplace_back #define ALL(X) (X).begin(), (X).end() template <typename T> T gcd(T a, T b) { return (a == 0) ? b : gcd(b % a, a); } template <typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; } bool p_comp_fs(const PL p1, const PL p2) { return p1.first < p2.first; }; bool p_comp_fg(const PL p1, const PL p2) { return p1.first > p2.first; }; bool p_comp_ss(const PL p1, const PL p2) { return p1.second < p2.second; }; bool p_comp_sg(const PL p1, const PL p2) { return p1.second > p2.second; }; template <typename T> vector<T> uniquen(vector<T> vec /* copy */) { sort(ALL(vec)); vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; } inline ll popcnt(ll x) { return __builtin_popcountll((unsigned long long)x); }; template <class T> bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } // friend bool operator<(const tpl& lhs, const tpl& rhs){ // return std::tie(lhs.l, lhs.r) < std::tie(rhs.l, rhs.r); // } bool bit(ll st, ll b) { return ((st >> b) & 1) == 1; } int main() { ifstream file("../../../../../in.txt"); if (file.is_open()) cin.rdbuf(file.rdbuf()); ios_base::sync_with_stdio(false); cin.tie(nullptr); ll N; cin >> N; vl A(N); rep(i, N) cin >> A[i]; vl B(N); rep(i, N) cin >> B[i]; set<PL, greater<PL>> s; rep(i, N) { if (B[i] != A[i]) s.insert({B[i], i}); } if (s.empty()) { cout << 0 << endstr; return 0; } ll cnt = 0; while (!s.empty()) { ll idx = s.begin()->ss; ll l = (idx - 1 + N) % N, r = (idx + 1 + N) % N; if (s.size() < 2) { ll dif = B[idx] - A[idx], div = B[l] + B[r]; if (dif % div != 0) { cout << -1 << endstr; return 0; } else { cnt += dif / div; cout << cnt << endstr; return 0; } } else { ll to = max(B[l] + B[r], A[idx]); ll dif = B[idx] - to; ll div = B[l] + B[r]; ll add = (dif + div - 1) / div; if (add <= 0) { cout << -1 << endstr; return 0; } cnt += add; B[idx] -= add * div; if (B[idx] < A[idx]) { cout << -1 << endstr; return 0; } s.erase(s.begin()); if (B[idx] != A[idx]) { s.insert({B[idx], idx}); } } } cout << -1 << endstr; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef unsigned long long ull; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; // typedef vector<vector<ll>> Graph; const ll mod = 1e9 + 7; // const ll mod = 998244353; #define REP(i, n) for (ll i = 0; i < (ll)n; i++) #define dump(x) cerr << #x << " = " << (x) << endl; #define spa << " " << #define fi first #define se second 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; } template <class S, class T> ostream &operator<<(ostream &os, const pair<S, T> v) { os << "(" << v.first << ", " << v.second << ")"; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> v) { for (int i = 0; i < (int)v.size(); i++) { if (i > 0) { os << " "; } os << v[i]; } return os; } template <class T> ostream &operator<<(ostream &os, const vector<vector<T>> v) { for (int i = 0; i < (int)v.size(); i++) { if (i > 0) { os << endl; } os << v[i]; } return os; } template <typename T> void debug(vector<vector<T>> &v, ll h, ll w) { for (ll i = 0; i < h; i++) { cerr << v[i][0]; for (ll j = 1; j < w; j++) cerr spa v[i][j]; cerr << endl; } }; template <typename T> void debug(vector<T> &v, ll n) { if (n != 0) cerr << v[0]; for (ll i = 1; i < n; i++) cerr spa v[i]; cerr << endl; }; string num2bit(ll num, ll len) { string bit = ""; REP(i, len) { bit += char('0' + (num >> i & 1)); } return bit; } int main() { cin.tie(0); ios::sync_with_stdio(false); ll N; cin >> N; vector<ll> A(N), B(N); REP(i, N) cin >> A[i]; REP(i, N) cin >> B[i]; priority_queue<pll> pq; REP(i, N) if (B[i] > A[i]) pq.push({B[i], i}); ll cnt = 0; while (!pq.empty()) { // cout << B << endl; pll p = pq.top(); pq.pop(); ll idx = p.second; ll left = B[(idx + 1) % N]; ll right = B[(idx - 1 + N) % N]; ll waru = left + right; ll r1 = (B[idx] - A[idx]) / waru; ll r2 = (B[idx] - left - right + waru) / waru; ll r = min(r1, r2); B[idx] -= r * waru; cnt += r; if (B[idx] < A[idx]) { cout << -1 << endl; return 0; } else if (B[idx] > A[idx]) { pq.push({B[idx], idx}); } } bool flag = true; REP(i, N) if (B[i] != A[i]) flag = false; cout << (flag ? cnt : -1) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef unsigned long long ull; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; // typedef vector<vector<ll>> Graph; const ll mod = 1e9 + 7; // const ll mod = 998244353; #define REP(i, n) for (ll i = 0; i < (ll)n; i++) #define dump(x) cerr << #x << " = " << (x) << endl; #define spa << " " << #define fi first #define se second 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; } template <class S, class T> ostream &operator<<(ostream &os, const pair<S, T> v) { os << "(" << v.first << ", " << v.second << ")"; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> v) { for (int i = 0; i < (int)v.size(); i++) { if (i > 0) { os << " "; } os << v[i]; } return os; } template <class T> ostream &operator<<(ostream &os, const vector<vector<T>> v) { for (int i = 0; i < (int)v.size(); i++) { if (i > 0) { os << endl; } os << v[i]; } return os; } template <typename T> void debug(vector<vector<T>> &v, ll h, ll w) { for (ll i = 0; i < h; i++) { cerr << v[i][0]; for (ll j = 1; j < w; j++) cerr spa v[i][j]; cerr << endl; } }; template <typename T> void debug(vector<T> &v, ll n) { if (n != 0) cerr << v[0]; for (ll i = 1; i < n; i++) cerr spa v[i]; cerr << endl; }; string num2bit(ll num, ll len) { string bit = ""; REP(i, len) { bit += char('0' + (num >> i & 1)); } return bit; } int main() { cin.tie(0); ios::sync_with_stdio(false); ll N; cin >> N; vector<ll> A(N), B(N); REP(i, N) cin >> A[i]; REP(i, N) cin >> B[i]; priority_queue<pll> pq; REP(i, N) if (B[i] > A[i]) pq.push({B[i], i}); ll cnt = 0; while (!pq.empty()) { // cout << B << endl; pll p = pq.top(); pq.pop(); ll idx = p.second; ll left = B[(idx + 1) % N]; ll right = B[(idx - 1 + N) % N]; ll waru = left + right; ll r1 = (B[idx] - A[idx]) / waru; ll r2 = (B[idx] - left - right + waru) / waru; ll r = min(r1, r2); B[idx] -= r * waru; cnt += r; if (B[idx] < A[idx]) { cout << -1 << endl; return 0; } else if (B[idx] > A[idx] and r != 0) { pq.push({B[idx], idx}); } } bool flag = true; REP(i, N) if (B[i] != A[i]) flag = false; cout << (flag ? cnt : -1) << endl; return 0; }
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TLE
p02941
C++
Runtime Error
#include <algorithm> #include <cstdio> #include <cstring> #include <iostream> #include <queue> using namespace std; void read(int &x) { char ch; bool ok; for (ok = 0, ch = getchar(); !isdigit(ch); ch = getchar()) if (ch == '-') ok = 1; for (x = 0; isdigit(ch); x = x * 10 + ch - '0', ch = getchar()) ; if (ok) x = -x; } #define rg register const int maxn = 6e5 + 10; struct oo { int x, y; }; priority_queue<oo> q; int n, a[maxn], b[maxn], flag; long long ans; bool operator<(oo u, oo v) { return u.y > v.y; } int main() { read(n); for (rg int i = 0; i < n; i++) read(a[i]); for (rg int i = 0; i < n; i++) read(b[i]); for (rg int i = 0; i < n; i++) if (b[i] >= b[(i + 1) % n] + b[(i - 1 + n) % n]) q.push((oo){i, b[i]}); while (q.size()) { int i = q.top().x, x = (i - 1 + n) % n, y = (i + 1) % n, now = b[x] + b[y]; ans += b[i] / now, b[i] %= now; q.pop(); if (b[x] >= b[(x + 1) % n] + b[(x - 1 + n) % n]) q.push((oo){x, b[x]}); if (b[y] >= b[(y - 1 + n) % n] + b[(y + 1) % n]) q.push((oo){y, b[y]}); } for (rg int i = 1; i <= n; i++) if (a[i] != b[i]) flag = 1; printf("%lld\n", flag ? -1 : ans); }
#include <algorithm> #include <cstdio> #include <cstring> #include <iostream> #include <queue> using namespace std; void read(int &x) { char ch; bool ok; for (ok = 0, ch = getchar(); !isdigit(ch); ch = getchar()) if (ch == '-') ok = 1; for (x = 0; isdigit(ch); x = x * 10 + ch - '0', ch = getchar()) ; if (ok) x = -x; } #define rg register const int maxn = 6e5 + 10; struct oo { int x, y; }; priority_queue<oo> q; int n, a[maxn], b[maxn], flag; long long ans; bool operator<(oo u, oo v) { return u.y > v.y; } int main() { read(n); for (rg int i = 0; i < n; i++) read(a[i]); for (rg int i = 0; i < n; i++) read(b[i]); for (rg int i = 0; i < n; i++) if (b[i] >= b[(i + 1) % n] + b[(i - 1 + n) % n]) q.push((oo){i, b[i]}); while (q.size()) { int t, i = q.top().x, x = (i - 1 + n) % n, y = (i + 1) % n, now = b[x] + b[y]; ans += (t = (b[i] - a[i]) / now), b[i] -= t * now; q.pop(); if (b[x] >= b[(x + 1) % n] + b[(x - 1 + n) % n]) q.push((oo){x, b[x]}); if (b[y] >= b[(y - 1 + n) % n] + b[(y + 1) % n]) q.push((oo){y, b[y]}); } for (rg int i = 1; i <= n; i++) if (a[i] != b[i]) flag = 1; printf("%lld\n", flag ? -1 : ans); }
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p02941
C++
Time Limit Exceeded
#include <algorithm> #include <iostream> #include <vector> using namespace std; typedef long long ll; #define mod 1000000007 #define N 200010 ll a[N], b[N], n, ans; void calc() { for (int i = 0; i < n; i++) { int j = (i + 1) % n, k = (i + 2) % n; ll p = b[i] + b[k]; ll cnt = (b[j] - a[j]) / p; ans += cnt; b[j] -= cnt * p; // cout<<p<<" "<<cnt<<" "<<(b[j]-a[j])<<":"; } // for(int i=0;i<n;i++)cout<<b[i]<<" ";cout<<endl; } int main() { cin >> n; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) cin >> b[i]; ans = 0; for (int i = 0; i < 300; i++) calc(); bool ok = 1; for (int i = 0; i < n; i++) ok &= (a[i] == b[i]); if (ok) cout << ans << endl; else cout << -1 << endl; return 0; }
#include <algorithm> #include <iostream> #include <vector> using namespace std; typedef long long ll; #define mod 1000000007 #define N 200010 ll a[N], b[N], n, ans; void calc() { for (int i = 0; i < n; i++) { int j = (i + 1) % n, k = (i + 2) % n; ll p = b[i] + b[k]; ll cnt = (b[j] - a[j]) / p; ans += cnt; b[j] -= cnt * p; // cout<<p<<" "<<cnt<<" "<<(b[j]-a[j])<<":"; } // for(int i=0;i<n;i++)cout<<b[i]<<" ";cout<<endl; } int main() { cin >> n; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) cin >> b[i]; ans = 0; for (int i = 0; i < 100; i++) calc(); bool ok = 1; for (int i = 0; i < n; i++) ok &= (a[i] == b[i]); if (ok) cout << ans << endl; else cout << -1 << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define REP(i, n) for (int64_t i = 0; i < (n); i++) #define ALL(a) (a).begin(), (a).end() #define SORT(c) sort((c).begin(), (c).end()) #define REV(c) reverse((c).begin(), (c).end()) #define YES cout << "YES" << endl; #define NO cout << "NO" << endl; #define Yes cout << "Yes" << endl; #define No cout << "No" << endl; #define VIN(n, v) \ for (int64_t i = 0; i < (n); i++) { \ cin >> (v).at(i); \ } using namespace std; typedef int64_t I; typedef pair<I, I> P; typedef vector<I> V; I MOD = pow(10, 9) + 7; // 最大公約数 I gcd(I a, I b) { return b != 0 ? gcd(b, a % b) : a; } // 最小公倍数 I lcm(I a, I b) { return a * b / gcd(a, b); } int ctoi(char c) { return c - '0'; } int main() { I n; cin >> n; V a(n), b(n); VIN(n, a); VIN(n, b); REP(i, n) { if (a.at(i) > b.at(i)) { cout << -1 << endl; return 0; } I prev; I next; if (i == 0) { prev = n - 1; next = 1; } else if (i == n - 1) { prev = n - 2; next = 0; } else { prev = i - 1; next = i + 1; } if (a.at(i) != b.at(i) && a.at(prev) + a.at(i) + a.at(next) > b.at(i)) { cout << -1 << endl; return 0; } } I t = 0; while (true) { bool chk = true; REP(i, n) { I prev; I next; if (i == 0) { prev = n - 1; next = 1; } else if (i == n - 1) { prev = n - 2; next = 0; } else { prev = i - 1; next = i + 1; } if (b.at(prev) + b.at(next) < b.at(i) && b.at(i) != a.at(i)) { b.at(i) -= b.at(prev) + b.at(next); t++; chk = false; } } if (chk == true) break; } bool chk2 = true; REP(i, n) { if (a.at(i) != b.at(i)) chk2 = false; } if (chk2) { cout << t << endl; } else { cout << -1 << endl; } return 0; }
#include <bits/stdc++.h> #define REP(i, n) for (int64_t i = 0; i < (n); i++) #define ALL(a) (a).begin(), (a).end() #define SORT(c) sort((c).begin(), (c).end()) #define REV(c) reverse((c).begin(), (c).end()) #define YES cout << "YES" << endl; #define NO cout << "NO" << endl; #define Yes cout << "Yes" << endl; #define No cout << "No" << endl; #define VIN(n, v) \ for (int64_t i = 0; i < (n); i++) { \ cin >> (v).at(i); \ } using namespace std; typedef int64_t I; typedef pair<I, I> P; typedef vector<I> V; I MOD = pow(10, 9) + 7; // 最大公約数 I gcd(I a, I b) { return b != 0 ? gcd(b, a % b) : a; } // 最小公倍数 I lcm(I a, I b) { return a * b / gcd(a, b); } int ctoi(char c) { return c - '0'; } int main() { I n; cin >> n; V a(n), b(n); VIN(n, a); VIN(n, b); REP(i, n) { if (a.at(i) > b.at(i)) { cout << -1 << endl; return 0; } I prev; I next; if (i == 0) { prev = n - 1; next = 1; } else if (i == n - 1) { prev = n - 2; next = 0; } else { prev = i - 1; next = i + 1; } if (a.at(i) != b.at(i) && a.at(prev) + a.at(i) + a.at(next) > b.at(i)) { cout << -1 << endl; return 0; } } I t = 0; while (true) { bool chk = true; REP(i, n) { I prev; I next; if (i == 0) { prev = n - 1; next = 1; } else if (i == n - 1) { prev = n - 2; next = 0; } else { prev = i - 1; next = i + 1; } if (b.at(prev) + b.at(next) <= (b.at(i) - a.at(i))) { t += (b.at(i) - a.at(i)) / (b.at(prev) + b.at(next)); b.at(i) -= (b.at(i) - a.at(i)) / (b.at(prev) + b.at(next)) * (b.at(prev) + b.at(next)); chk = false; } } if (chk == true) break; } bool chk2 = true; REP(i, n) { if (a.at(i) != b.at(i)) chk2 = false; } if (chk2) { cout << t << endl; } else { cout << -1 << endl; } return 0; }
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TLE
p02941
C++
Time Limit Exceeded
/* * じょえチャンネル * 高評価・チャンネル登録よろしくおねがいします! * https://www.youtube.com/channel/UCRXsI3FL_kvaVL9zoolBfbQ */ #include <bits/stdc++.h> // #pragma GCC target("avx2") // #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") // here!!! // define int long long !!!!! #define int long long // define int long long !!!!! #define mod (int)((1e9) + 7) // constexpr int mod = 998244353ll; #ifdef int #define inf (int)(3e18) #else #define inf (int)(5e8) #endif #define intt long long #define itn long long #define P pair<long long, long long> #define rep(i, n) for (int i = 0; i < n; i++) #define REP(i, n) for (int i = 1; i <= n; i++) #define rev_rep(i, n) for (int i = n - 1; i >= 0; i--) #define REV_REP(i, n) for (int i = n; i >= 1; i--) #define ALL(v) v.begin(), v.end() #define smallpriority_queue(x) priority_queue<x, vector<x>, greater<x>> using namespace std; // Library // モッドパウ inline int modpow(int x, int y, int m = mod) { int res = 1; while (y) { if (y & 1) { res *= x; res %= m; } x = x * x % m; y /= 2; } return res; } int mypow(int x, int y) { int res = 1; while (y) { if (y % 2) { res *= x; } x = x * x; y /= 2; } return res; } // is the number (x) a prime number? bool prime(int x) { if (!x || x == 1) { return false; } for (int i = 2; i * i <= x; i++) { if (!(x % i)) { return false; } } return true; } // saidai-kouyakusuu inline int gcd(int x, int y) { if (!y) { return x; } return gcd(y, x % y); } // number of keta int keta(int x) { int ans = 0; while (x) { x /= 10; ans++; } return ans; } // sum of keta int ketasum(int x) { int ans = 0; while (x) { ans += x % 10; x /= 10; } return ans; } inline int lcm(int x, int y) { int ans = x / gcd(x, y) * y; return ans; } int twobeki(int x) { int ans = 0; while (1) { if (!(x & 1)) { ans++; x >>= 1; } else { break; } } return ans; } 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; } void Yes() { cout << "Yes" << endl; } void No() { cout << "No" << endl; } void YES() { cout << "YES" << endl; } void NO() { cout << "NO" << endl; } #define fin(i) scanf("%lld", &i) #define fout(i) printf("%lld", i) #define fendl printf("\n") int kai(int x, int y) { int res = 1; for (int i = x - y + 1; i <= x; i++) { res *= i; res %= mod; } return res; } int comb(int x, int y) { if (y > x) return 0; // cout<<kai(x, y)<<' '<<modpow(kai(y, y), mod - 2)<<endl; return kai(x, y) * modpow(kai(y, y), mod - 2) % mod; } // Library-End #define vecin(v) \ for (int i = 0; i < v.size(); i++) \ scanf("%lld", &v[i]); #define vecout(v) \ { \ for (int i = 0; i < (int)v.size(); i++) \ printf("%lld ", v[i]); \ printf("\n"); \ } template <typename T> class kaageSegTree { protected: unsigned int n = 1, rank = 0; std::vector<T> node; T nodee; virtual T nodef(const T &, const T &) const = 0; public: kaageSegTree(unsigned int m, T init, T nodee) : nodee(nodee) { while (n < m) { n *= 2; rank++; } node.resize(2 * n); for (unsigned int i = n; i < 2 * n; i++) node[i] = init; } kaageSegTree(const std::vector<T> &initvec, T nodee) : nodee(nodee) { unsigned int m = initvec.size(); while (n < m) { n *= 2; rank++; } node.resize(2 * n); for (unsigned int i = n; i < 2 * n; i++) { if (i - n < m) node[i] = initvec[i - n]; } } virtual void update(int i, T x) { i += n; node[i] = x; while (i != 1) { i >>= 1; node[i] = nodef(node[2 * i], node[2 * i + 1]); } } virtual T query(int l, int r) { l += n; r += n; T ls = nodee, rs = nodee; while (l < r) { if (l & 1) { ls = nodef(ls, node[l]); l++; } if (r & 1) { r--; rs = nodef(node[r], rs); } l >>= 1; r >>= 1; } return nodef(ls, rs); } virtual T operator[](const int &x) { return node[n + x]; } void fill(T x) { std::fill(ALL(node), x); } void print() { rep(i, n) std::cout << operator[](i) << " "; std::cout << std::endl; } }; class RSQ : public kaageSegTree<int> { int nodef(const int &lhs, const int &rhs) const { return lhs + rhs; } public: RSQ(int size, const int &def = 0) : kaageSegTree<int>(size, def, 0) {} RSQ(const std::vector<int> &initvec) : kaageSegTree<int>(initvec, 0) {} }; class RMiQ : public kaageSegTree<int> { int nodef(const int &lhs, const int &rhs) const { return std::min(lhs, rhs); } public: RMiQ(int size, const int &def = 0) : kaageSegTree<int>(size, def, inf) {} RMiQ(const std::vector<int> &initvec) : kaageSegTree<int>(initvec, inf) {} }; class RMaQ : public kaageSegTree<int> { int nodef(const int &lhs, const int &rhs) const { return std::max(lhs, rhs); } public: RMaQ(int size, const int &def = 0) : kaageSegTree<int>(size, def, -inf) {} RMaQ(const std::vector<int> &initvec) : kaageSegTree<int>(initvec, -inf) {} }; template <typename T, typename U> class IntervalSegTree : public kaageSegTree<T> { protected: using kaageSegTree<T>::n; using kaageSegTree<T>::rank; using kaageSegTree<T>::node; using kaageSegTree<T>::nodef; using kaageSegTree<T>::nodee; std::vector<U> lazy; std::vector<bool> lazyflag; std::vector<int> width; virtual void lazyf(U &, const U &) = 0; virtual void updf(T &, const U &, const unsigned int &) = 0; void eval(int k) { for (int i = rank; i > 0; i--) { int nk = k >> i; if (lazyflag[nk]) { updf(node[2 * nk], lazy[nk], width[2 * nk]); updf(node[2 * nk + 1], lazy[nk], width[2 * nk + 1]); if (lazyflag[2 * nk]) lazyf(lazy[2 * nk], lazy[nk]); else lazy[2 * nk] = lazy[nk]; if (lazyflag[2 * nk + 1]) lazyf(lazy[2 * nk + 1], lazy[nk]); else lazy[2 * nk + 1] = lazy[nk]; lazyflag[2 * nk] = lazyflag[2 * nk + 1] = true; lazyflag[nk] = false; } } } public: IntervalSegTree(unsigned int m, T init, T nodee) : kaageSegTree<T>(m, init, nodee) { lazy.resize(2 * n); lazyflag.resize(2 * n); width.resize(2 * n); width[1] = n; for (unsigned int i = 2; i < 2 * n; i++) { width[i] = width[i >> 1] >> 1; } } IntervalSegTree(T nodee, const std::vector<T> &initvec) : kaageSegTree<T>(initvec, nodee) { lazy.resize(2 * n); lazyflag.resize(2 * n); width.resize(2 * n); width[1] = n; for (unsigned int i = 2; i < 2 * n; i++) { width[i] = width[i >> 1] >> 1; } } void update(int i, U x) { i += n; eval(i); updf(node[i], x, width[i]); if (lazyflag[i]) lazyf(lazy[i], x); else { lazyflag[i] = true; lazy[i] = x; } while (i /= 2) node[i] = nodef(node[2 * i], node[2 * i + 1]); } void update(int l, int r, U x) { l += n; r += n; int nl = l, nr = r; while (!(nl & 1)) nl >>= 1; while (!(nr & 1)) nr >>= 1; nr--; eval(nl); eval(nr); while (l < r) { if (l & 1) { updf(node[l], x, width[l]); if (lazyflag[l]) lazyf(lazy[l], x); else { lazyflag[l] = true; lazy[l] = x; } l++; } if (r & 1) { r--; updf(node[r], x, width[r]); if (lazyflag[r]) lazyf(lazy[r], x); else { lazyflag[r] = true; lazy[r] = x; } } l >>= 1; r >>= 1; } while (nl >>= 1) node[nl] = nodef(node[2 * nl], node[2 * nl + 1]); while (nr >>= 1) node[nr] = nodef(node[2 * nr], node[2 * nr + 1]); } T query(int l, int r) { l += n; r += n; eval(l); eval(r - 1); int ls = nodee, rs = nodee; while (l < r) { if (l & 1) { ls = nodef(ls, node[l]); l++; } if (r & 1) { r--; rs = nodef(node[r], rs); } l >>= 1; r >>= 1; } return nodef(ls, rs); } T operator[](const int &x) { eval(n + x); return node[n + x]; } T queryForAll() { return node[1]; } }; class RAQRSQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return a + b; } void lazyf(int &a, const int &b) { a += b; } void updf(int &a, const int &b, const unsigned int &width) { a += width * b; } public: RAQRSQ(int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, 0) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RAQRSQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>((int)0, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; class RAQRMiQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return std::min(a, b); } void lazyf(int &a, const int &b) { a += b; } void updf(int &a, const int &b, const unsigned int &width) { a += b; } public: RAQRMiQ(int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, inf) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RAQRMiQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>(inf, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; class RAQRMaQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return std::max(a, b); } void lazyf(int &a, const int &b) { a += b; } void updf(int &a, const int &b, const unsigned int &width) { a += b; } public: RAQRMaQ(unsigned int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, -inf) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RAQRMaQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>(-inf, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; class RUQRSQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return a + b; } void lazyf(int &a, const int &b) { a = b; } void updf(int &a, const int &b, const unsigned int &width) { a = width * b; } public: RUQRSQ(int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, 0) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RUQRSQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>((int)0, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; class RUQRMiQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return std::min(a, b); } void lazyf(int &a, const int &b) { a = b; } void updf(int &a, const int &b, const unsigned int &width) { a = b; } public: RUQRMiQ(int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, inf) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RUQRMiQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>(inf, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; class RUQRMaQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return std::max(a, b); } void lazyf(int &a, const int &b) { a = b; } void updf(int &a, const int &b, const unsigned int &width) { a = b; } public: RUQRMaQ(int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, -inf) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RUQRMaQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>(-inf, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; ////SegTree // template <class T> // class SegTree { // int n; // 葉の数 // vector<T> node; // データを格納するvector // T def; // 初期値かつ単位元 // function<T(T, T)> operation; // 区間クエリで使う処理 // function<T(T, T)> update; // 点更新で使う処理 // // // 区間[a,b)の総和。ノードk=[l,r)に着目している。 // T _query(int a, int b, int k, int l, int r) { // if (r <= a || b <= l) return def; // 交差しない // if (a <= l && r <= b) // return node[k]; // a,l,r,bの順で完全に含まれる // else { // T c1 = _query(a, b, 2 * k + 1, l, (l + r) / 2); // 左の子 // T c2 = _query(a, b, 2 * k + 2, (l + r) / 2, r); // 右の子 // return operation(c1, c2); // } // } // // public: // // _n:必要サイズ, _def:初期値かつ単位元, _operation:クエリ関数, // // _update:更新関数 // SegTree(size_t _n, T _def, function<T(T, T)> _operation, // function<T(T, T)> _update) // : def(_def), operation(_operation), update(_update) { // n = 1; // while (n < _n) { // n *= 2; // } // node = vector<T>(2 * n , def); // } // // // 場所i(0-indexed)の値をxで更新 // void change(int i, T x) { // i += n - 1; // node[i] = update(node[i], x); // while (i > 0) { // i = (i - 1) / 2; // node[i] = operation(node[i * 2 + 1], node[i * 2 + 2]); // } // } // // // [a, b)の区間クエリを実行 // T query(int a, int b) { // return _query(a, b, 0, 0, n); // } // // // 添字でアクセス // T operator[](int i) { // return node[i + n - 1]; // } // }; template <class T> class SegTree { int n; vector<T> node; T def; function<T(T, T)> operation; function<T(T, T)> update; public: SegTree(unsigned int _n, T _def, function<T(T, T)> _operation, function<T(T, T)> _update) : def(_def), operation(_operation), update(_update) { n = 1; while (n < _n) { n *= 2; } node = vector<T>(n * 2, def); } SegTree(vector<int> &initvec, function<T(T, T)> _operation, function<T(T, T)> _update) : operation(_operation), update(_update) { n = 1; while (n < initvec.size()) { n *= 2; } node = vector<T>(n * 2, def); for (int i = n; i < n + initvec.size(); i++) { node[i] = initvec[i - n]; } for (int i = n - 1; i >= 1; i--) { node[i] = operation(node[i * 2], node[i * 2 + 1]); } } void change(int i, T x) { i += n; node[i] = update(node[i], x); while (i >= 1) { i >>= 1; node[i] = operation(node[i * 2], node[i * 2 + 1]); } } T query(int l, int r) { l += n; r += n; T rx = def, lx = def; while (l < r) { if (l & 1) { lx = operation(lx, node[l]); l++; } if (r & 1) { r--; rx = operation(node[r], rx); } l >>= 1; r >>= 1; } return operation(lx, rx); } T operator[](const int &x) { return node[x - n]; } void fill(T x) { std::fill(ALL(node), x); } void print() { rep(i, n) std::cout << operator[](i) << " "; std::cout << std::endl; } }; #define R_MIN ([](long long a, long long b) { return min(a, b); }) #define R_MAX ([](long long a, long long b) { return max(a, b); }) #define R_SUM ([](long long a, long long b) { return a + b; }) #define NORMAL_UPDATE ([](long long a, long long b) { return b; }) #define ADD_UPDATE ([](long long a, long long b) { return a + b; }) #define MINUS_UPDATE ([](long long a, long long b) { return a - b; } class Union_Find { vector<int> par; vector<int> rankmy; vector<int> ookisa; public: Union_Find(int size) { par = vector<int>(size); rankmy = vector<int>(size); ookisa = vector<int>(size); for (int i = 0; i < size; i++) { par[i] = i; ookisa[i] = 1; } } int find(int x) { if (par[x] == x) { return x; } return par[x] = find(par[x]); } void unite(int x, int y) { x = find(x); y = find(y); if (x == y) { return; } if (rankmy[x] < rankmy[y]) { par[x] = y; ookisa[y] += ookisa[x]; ookisa[x] = 0; } else { par[y] = x; ookisa[x] += ookisa[y]; ookisa[y] = 0; if (rankmy[x] == rankmy[y]) { rankmy[x]++; } } } int size(int i) { i = find(i); return ookisa[i]; } bool same(int x, int y) { return find(x) == find(y); } }; class BIT { vector<int> data; int size = 0; public: BIT(int _size) { data = vector<int>(_size + 1); size = _size; } void add(int i, int x) { while (i <= size) { data[i] += x; i += i & -i; } } int sum(int i) { assert(i <= size); int s = 0; while (i > 0) { s += data[i]; i -= i & -i; } return s; } int lower_bound(int x) { if (x <= 0) { return 0; } else { int i = 0; int r = 1; while (r < size) r = r << 1; for (int len = r; len > 0; len = len >> 1) { if (i + len < size && data[i + len] < x) { x -= data[i + len]; i += len; } } return i + 1; } } }; // Union-Find-End int perm[2000005]; void init_perm() { perm[0] = 1; REP(i, 2000004) { perm[i] = perm[i - 1] * i % mod; } } int nCk(int x, int y) { if (y > x) { return 0; } if (x < 0) { return 0; } return perm[x] * modpow(perm[x - y], mod - 2) % mod * modpow(perm[y], mod - 2) % mod; } double kyori(pair<int, int> f, pair<int, int> s) { double ans = 0; double t = fabs(f.first - s.first); double y = fabs(f.second - s.second); ans = sqrt(t * t + y * y); return ans; } inline string stringmax(string &x, string &y) { if (x.size() > y.size()) { return x; } if (x.size() < y.size()) { return y; } rep(i, x.size()) { if (x[i] > y[i]) { return x; } if (x[i] < y[i]) { return y; } } return x; } vector<int> RollingHash(string &s, string &t) { vector<int> ans; __int128 h = 0, hamod = 0, ki = 0, kim = 0, hikaku = 0, one = 0; one = 1; ki = 1000000007ll; hamod = (one << 61) - 1; kim = 1; rep(i, t.size()) { hikaku *= ki; h *= ki; kim *= ki; hikaku += t[i]; h += s[i]; hikaku %= hamod; h %= hamod; kim %= hamod; } rep(i, (int)s.size() - (int)t.size() + 1) { if (h == hikaku) { ans.emplace_back(i); } h *= ki; h %= hamod; h += s[i + (int)t.size()]; h %= hamod; h += hamod; h -= s[i] * kim % hamod; h %= hamod; } return ans; } struct edge { int to; int length; edge(int _to, int _length) { to = _to; length = _length; } }; vector<int> djkstra(vector<vector<edge>> &road, int start) { vector<int> kyo(road.size(), inf); smallpriority_queue(P) q; q.push({0, start}); kyo[start] = 0; while (q.size()) { int x = q.top().second; itn now = q.top().first; q.pop(); if (kyo[x] < now) { continue; } for (auto &i : road[x]) { if (kyo[i.to] > now + i.length) { kyo[i.to] = now + i.length; q.push({kyo[i.to], i.to}); } } } return kyo; } #define endl "\n" // interactive の時に注意!!! #define printd cout << fixed << setprecision(10) int n, a[200004], b[200004], ans; signed main() { ios::sync_with_stdio(false); std::cin.tie(nullptr); cin >> n; priority_queue<P> q; rep(i, n) { cin >> a[i]; } rep(i, n) { cin >> b[i]; q.push({b[i], i}); } while (q.size()) { int now = q.top().first; int x = q.top().second; q.pop(); if (a[x] == now) { continue; } int yoko = 0; if (x) { yoko += b[x - 1]; } else { yoko += b[n - 1]; } if (x < n - 1) { yoko += b[x + 1]; } else { yoko += b[0]; } if (yoko <= b[x]) { int k = (b[x] - a[x]) / yoko; b[x] -= k * yoko; q.push({b[x], x}); ans += k; } else { cout << -1 << endl; return 0; } } cout << ans << endl; }
/* * じょえチャンネル * 高評価・チャンネル登録よろしくおねがいします! * https://www.youtube.com/channel/UCRXsI3FL_kvaVL9zoolBfbQ */ #include <bits/stdc++.h> // #pragma GCC target("avx2") // #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") // here!!! // define int long long !!!!! #define int long long // define int long long !!!!! #define mod (int)((1e9) + 7) // constexpr int mod = 998244353ll; #ifdef int #define inf (int)(3e18) #else #define inf (int)(5e8) #endif #define intt long long #define itn long long #define P pair<long long, long long> #define rep(i, n) for (int i = 0; i < n; i++) #define REP(i, n) for (int i = 1; i <= n; i++) #define rev_rep(i, n) for (int i = n - 1; i >= 0; i--) #define REV_REP(i, n) for (int i = n; i >= 1; i--) #define ALL(v) v.begin(), v.end() #define smallpriority_queue(x) priority_queue<x, vector<x>, greater<x>> using namespace std; // Library // モッドパウ inline int modpow(int x, int y, int m = mod) { int res = 1; while (y) { if (y & 1) { res *= x; res %= m; } x = x * x % m; y /= 2; } return res; } int mypow(int x, int y) { int res = 1; while (y) { if (y % 2) { res *= x; } x = x * x; y /= 2; } return res; } // is the number (x) a prime number? bool prime(int x) { if (!x || x == 1) { return false; } for (int i = 2; i * i <= x; i++) { if (!(x % i)) { return false; } } return true; } // saidai-kouyakusuu inline int gcd(int x, int y) { if (!y) { return x; } return gcd(y, x % y); } // number of keta int keta(int x) { int ans = 0; while (x) { x /= 10; ans++; } return ans; } // sum of keta int ketasum(int x) { int ans = 0; while (x) { ans += x % 10; x /= 10; } return ans; } inline int lcm(int x, int y) { int ans = x / gcd(x, y) * y; return ans; } int twobeki(int x) { int ans = 0; while (1) { if (!(x & 1)) { ans++; x >>= 1; } else { break; } } return ans; } 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; } void Yes() { cout << "Yes" << endl; } void No() { cout << "No" << endl; } void YES() { cout << "YES" << endl; } void NO() { cout << "NO" << endl; } #define fin(i) scanf("%lld", &i) #define fout(i) printf("%lld", i) #define fendl printf("\n") int kai(int x, int y) { int res = 1; for (int i = x - y + 1; i <= x; i++) { res *= i; res %= mod; } return res; } int comb(int x, int y) { if (y > x) return 0; // cout<<kai(x, y)<<' '<<modpow(kai(y, y), mod - 2)<<endl; return kai(x, y) * modpow(kai(y, y), mod - 2) % mod; } // Library-End #define vecin(v) \ for (int i = 0; i < v.size(); i++) \ scanf("%lld", &v[i]); #define vecout(v) \ { \ for (int i = 0; i < (int)v.size(); i++) \ printf("%lld ", v[i]); \ printf("\n"); \ } template <typename T> class kaageSegTree { protected: unsigned int n = 1, rank = 0; std::vector<T> node; T nodee; virtual T nodef(const T &, const T &) const = 0; public: kaageSegTree(unsigned int m, T init, T nodee) : nodee(nodee) { while (n < m) { n *= 2; rank++; } node.resize(2 * n); for (unsigned int i = n; i < 2 * n; i++) node[i] = init; } kaageSegTree(const std::vector<T> &initvec, T nodee) : nodee(nodee) { unsigned int m = initvec.size(); while (n < m) { n *= 2; rank++; } node.resize(2 * n); for (unsigned int i = n; i < 2 * n; i++) { if (i - n < m) node[i] = initvec[i - n]; } } virtual void update(int i, T x) { i += n; node[i] = x; while (i != 1) { i >>= 1; node[i] = nodef(node[2 * i], node[2 * i + 1]); } } virtual T query(int l, int r) { l += n; r += n; T ls = nodee, rs = nodee; while (l < r) { if (l & 1) { ls = nodef(ls, node[l]); l++; } if (r & 1) { r--; rs = nodef(node[r], rs); } l >>= 1; r >>= 1; } return nodef(ls, rs); } virtual T operator[](const int &x) { return node[n + x]; } void fill(T x) { std::fill(ALL(node), x); } void print() { rep(i, n) std::cout << operator[](i) << " "; std::cout << std::endl; } }; class RSQ : public kaageSegTree<int> { int nodef(const int &lhs, const int &rhs) const { return lhs + rhs; } public: RSQ(int size, const int &def = 0) : kaageSegTree<int>(size, def, 0) {} RSQ(const std::vector<int> &initvec) : kaageSegTree<int>(initvec, 0) {} }; class RMiQ : public kaageSegTree<int> { int nodef(const int &lhs, const int &rhs) const { return std::min(lhs, rhs); } public: RMiQ(int size, const int &def = 0) : kaageSegTree<int>(size, def, inf) {} RMiQ(const std::vector<int> &initvec) : kaageSegTree<int>(initvec, inf) {} }; class RMaQ : public kaageSegTree<int> { int nodef(const int &lhs, const int &rhs) const { return std::max(lhs, rhs); } public: RMaQ(int size, const int &def = 0) : kaageSegTree<int>(size, def, -inf) {} RMaQ(const std::vector<int> &initvec) : kaageSegTree<int>(initvec, -inf) {} }; template <typename T, typename U> class IntervalSegTree : public kaageSegTree<T> { protected: using kaageSegTree<T>::n; using kaageSegTree<T>::rank; using kaageSegTree<T>::node; using kaageSegTree<T>::nodef; using kaageSegTree<T>::nodee; std::vector<U> lazy; std::vector<bool> lazyflag; std::vector<int> width; virtual void lazyf(U &, const U &) = 0; virtual void updf(T &, const U &, const unsigned int &) = 0; void eval(int k) { for (int i = rank; i > 0; i--) { int nk = k >> i; if (lazyflag[nk]) { updf(node[2 * nk], lazy[nk], width[2 * nk]); updf(node[2 * nk + 1], lazy[nk], width[2 * nk + 1]); if (lazyflag[2 * nk]) lazyf(lazy[2 * nk], lazy[nk]); else lazy[2 * nk] = lazy[nk]; if (lazyflag[2 * nk + 1]) lazyf(lazy[2 * nk + 1], lazy[nk]); else lazy[2 * nk + 1] = lazy[nk]; lazyflag[2 * nk] = lazyflag[2 * nk + 1] = true; lazyflag[nk] = false; } } } public: IntervalSegTree(unsigned int m, T init, T nodee) : kaageSegTree<T>(m, init, nodee) { lazy.resize(2 * n); lazyflag.resize(2 * n); width.resize(2 * n); width[1] = n; for (unsigned int i = 2; i < 2 * n; i++) { width[i] = width[i >> 1] >> 1; } } IntervalSegTree(T nodee, const std::vector<T> &initvec) : kaageSegTree<T>(initvec, nodee) { lazy.resize(2 * n); lazyflag.resize(2 * n); width.resize(2 * n); width[1] = n; for (unsigned int i = 2; i < 2 * n; i++) { width[i] = width[i >> 1] >> 1; } } void update(int i, U x) { i += n; eval(i); updf(node[i], x, width[i]); if (lazyflag[i]) lazyf(lazy[i], x); else { lazyflag[i] = true; lazy[i] = x; } while (i /= 2) node[i] = nodef(node[2 * i], node[2 * i + 1]); } void update(int l, int r, U x) { l += n; r += n; int nl = l, nr = r; while (!(nl & 1)) nl >>= 1; while (!(nr & 1)) nr >>= 1; nr--; eval(nl); eval(nr); while (l < r) { if (l & 1) { updf(node[l], x, width[l]); if (lazyflag[l]) lazyf(lazy[l], x); else { lazyflag[l] = true; lazy[l] = x; } l++; } if (r & 1) { r--; updf(node[r], x, width[r]); if (lazyflag[r]) lazyf(lazy[r], x); else { lazyflag[r] = true; lazy[r] = x; } } l >>= 1; r >>= 1; } while (nl >>= 1) node[nl] = nodef(node[2 * nl], node[2 * nl + 1]); while (nr >>= 1) node[nr] = nodef(node[2 * nr], node[2 * nr + 1]); } T query(int l, int r) { l += n; r += n; eval(l); eval(r - 1); int ls = nodee, rs = nodee; while (l < r) { if (l & 1) { ls = nodef(ls, node[l]); l++; } if (r & 1) { r--; rs = nodef(node[r], rs); } l >>= 1; r >>= 1; } return nodef(ls, rs); } T operator[](const int &x) { eval(n + x); return node[n + x]; } T queryForAll() { return node[1]; } }; class RAQRSQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return a + b; } void lazyf(int &a, const int &b) { a += b; } void updf(int &a, const int &b, const unsigned int &width) { a += width * b; } public: RAQRSQ(int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, 0) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RAQRSQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>((int)0, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; class RAQRMiQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return std::min(a, b); } void lazyf(int &a, const int &b) { a += b; } void updf(int &a, const int &b, const unsigned int &width) { a += b; } public: RAQRMiQ(int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, inf) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RAQRMiQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>(inf, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; class RAQRMaQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return std::max(a, b); } void lazyf(int &a, const int &b) { a += b; } void updf(int &a, const int &b, const unsigned int &width) { a += b; } public: RAQRMaQ(unsigned int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, -inf) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RAQRMaQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>(-inf, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; class RUQRSQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return a + b; } void lazyf(int &a, const int &b) { a = b; } void updf(int &a, const int &b, const unsigned int &width) { a = width * b; } public: RUQRSQ(int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, 0) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RUQRSQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>((int)0, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; class RUQRMiQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return std::min(a, b); } void lazyf(int &a, const int &b) { a = b; } void updf(int &a, const int &b, const unsigned int &width) { a = b; } public: RUQRMiQ(int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, inf) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RUQRMiQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>(inf, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; class RUQRMaQ : public IntervalSegTree<int, int> { int nodef(const int &a, const int &b) const { return std::max(a, b); } void lazyf(int &a, const int &b) { a = b; } void updf(int &a, const int &b, const unsigned int &width) { a = b; } public: RUQRMaQ(int size, const int &def = 0) : IntervalSegTree<int, int>(size, def, -inf) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } RUQRMaQ(const std::vector<int> &initvec) : IntervalSegTree<int, int>(-inf, initvec) { for (int i = n - 1; i > 0; i--) node[i] = nodef(node[2 * i], node[2 * i + 1]); } }; ////SegTree // template <class T> // class SegTree { // int n; // 葉の数 // vector<T> node; // データを格納するvector // T def; // 初期値かつ単位元 // function<T(T, T)> operation; // 区間クエリで使う処理 // function<T(T, T)> update; // 点更新で使う処理 // // // 区間[a,b)の総和。ノードk=[l,r)に着目している。 // T _query(int a, int b, int k, int l, int r) { // if (r <= a || b <= l) return def; // 交差しない // if (a <= l && r <= b) // return node[k]; // a,l,r,bの順で完全に含まれる // else { // T c1 = _query(a, b, 2 * k + 1, l, (l + r) / 2); // 左の子 // T c2 = _query(a, b, 2 * k + 2, (l + r) / 2, r); // 右の子 // return operation(c1, c2); // } // } // // public: // // _n:必要サイズ, _def:初期値かつ単位元, _operation:クエリ関数, // // _update:更新関数 // SegTree(size_t _n, T _def, function<T(T, T)> _operation, // function<T(T, T)> _update) // : def(_def), operation(_operation), update(_update) { // n = 1; // while (n < _n) { // n *= 2; // } // node = vector<T>(2 * n , def); // } // // // 場所i(0-indexed)の値をxで更新 // void change(int i, T x) { // i += n - 1; // node[i] = update(node[i], x); // while (i > 0) { // i = (i - 1) / 2; // node[i] = operation(node[i * 2 + 1], node[i * 2 + 2]); // } // } // // // [a, b)の区間クエリを実行 // T query(int a, int b) { // return _query(a, b, 0, 0, n); // } // // // 添字でアクセス // T operator[](int i) { // return node[i + n - 1]; // } // }; template <class T> class SegTree { int n; vector<T> node; T def; function<T(T, T)> operation; function<T(T, T)> update; public: SegTree(unsigned int _n, T _def, function<T(T, T)> _operation, function<T(T, T)> _update) : def(_def), operation(_operation), update(_update) { n = 1; while (n < _n) { n *= 2; } node = vector<T>(n * 2, def); } SegTree(vector<int> &initvec, function<T(T, T)> _operation, function<T(T, T)> _update) : operation(_operation), update(_update) { n = 1; while (n < initvec.size()) { n *= 2; } node = vector<T>(n * 2, def); for (int i = n; i < n + initvec.size(); i++) { node[i] = initvec[i - n]; } for (int i = n - 1; i >= 1; i--) { node[i] = operation(node[i * 2], node[i * 2 + 1]); } } void change(int i, T x) { i += n; node[i] = update(node[i], x); while (i >= 1) { i >>= 1; node[i] = operation(node[i * 2], node[i * 2 + 1]); } } T query(int l, int r) { l += n; r += n; T rx = def, lx = def; while (l < r) { if (l & 1) { lx = operation(lx, node[l]); l++; } if (r & 1) { r--; rx = operation(node[r], rx); } l >>= 1; r >>= 1; } return operation(lx, rx); } T operator[](const int &x) { return node[x - n]; } void fill(T x) { std::fill(ALL(node), x); } void print() { rep(i, n) std::cout << operator[](i) << " "; std::cout << std::endl; } }; #define R_MIN ([](long long a, long long b) { return min(a, b); }) #define R_MAX ([](long long a, long long b) { return max(a, b); }) #define R_SUM ([](long long a, long long b) { return a + b; }) #define NORMAL_UPDATE ([](long long a, long long b) { return b; }) #define ADD_UPDATE ([](long long a, long long b) { return a + b; }) #define MINUS_UPDATE ([](long long a, long long b) { return a - b; } class Union_Find { vector<int> par; vector<int> rankmy; vector<int> ookisa; public: Union_Find(int size) { par = vector<int>(size); rankmy = vector<int>(size); ookisa = vector<int>(size); for (int i = 0; i < size; i++) { par[i] = i; ookisa[i] = 1; } } int find(int x) { if (par[x] == x) { return x; } return par[x] = find(par[x]); } void unite(int x, int y) { x = find(x); y = find(y); if (x == y) { return; } if (rankmy[x] < rankmy[y]) { par[x] = y; ookisa[y] += ookisa[x]; ookisa[x] = 0; } else { par[y] = x; ookisa[x] += ookisa[y]; ookisa[y] = 0; if (rankmy[x] == rankmy[y]) { rankmy[x]++; } } } int size(int i) { i = find(i); return ookisa[i]; } bool same(int x, int y) { return find(x) == find(y); } }; class BIT { vector<int> data; int size = 0; public: BIT(int _size) { data = vector<int>(_size + 1); size = _size; } void add(int i, int x) { while (i <= size) { data[i] += x; i += i & -i; } } int sum(int i) { assert(i <= size); int s = 0; while (i > 0) { s += data[i]; i -= i & -i; } return s; } int lower_bound(int x) { if (x <= 0) { return 0; } else { int i = 0; int r = 1; while (r < size) r = r << 1; for (int len = r; len > 0; len = len >> 1) { if (i + len < size && data[i + len] < x) { x -= data[i + len]; i += len; } } return i + 1; } } }; // Union-Find-End int perm[2000005]; void init_perm() { perm[0] = 1; REP(i, 2000004) { perm[i] = perm[i - 1] * i % mod; } } int nCk(int x, int y) { if (y > x) { return 0; } if (x < 0) { return 0; } return perm[x] * modpow(perm[x - y], mod - 2) % mod * modpow(perm[y], mod - 2) % mod; } double kyori(pair<int, int> f, pair<int, int> s) { double ans = 0; double t = fabs(f.first - s.first); double y = fabs(f.second - s.second); ans = sqrt(t * t + y * y); return ans; } inline string stringmax(string &x, string &y) { if (x.size() > y.size()) { return x; } if (x.size() < y.size()) { return y; } rep(i, x.size()) { if (x[i] > y[i]) { return x; } if (x[i] < y[i]) { return y; } } return x; } vector<int> RollingHash(string &s, string &t) { vector<int> ans; __int128 h = 0, hamod = 0, ki = 0, kim = 0, hikaku = 0, one = 0; one = 1; ki = 1000000007ll; hamod = (one << 61) - 1; kim = 1; rep(i, t.size()) { hikaku *= ki; h *= ki; kim *= ki; hikaku += t[i]; h += s[i]; hikaku %= hamod; h %= hamod; kim %= hamod; } rep(i, (int)s.size() - (int)t.size() + 1) { if (h == hikaku) { ans.emplace_back(i); } h *= ki; h %= hamod; h += s[i + (int)t.size()]; h %= hamod; h += hamod; h -= s[i] * kim % hamod; h %= hamod; } return ans; } struct edge { int to; int length; edge(int _to, int _length) { to = _to; length = _length; } }; vector<int> djkstra(vector<vector<edge>> &road, int start) { vector<int> kyo(road.size(), inf); smallpriority_queue(P) q; q.push({0, start}); kyo[start] = 0; while (q.size()) { int x = q.top().second; itn now = q.top().first; q.pop(); if (kyo[x] < now) { continue; } for (auto &i : road[x]) { if (kyo[i.to] > now + i.length) { kyo[i.to] = now + i.length; q.push({kyo[i.to], i.to}); } } } return kyo; } #define endl "\n" // interactive の時に注意!!! #define printd cout << fixed << setprecision(10) int n, a[200004], b[200004], ans; signed main() { ios::sync_with_stdio(false); std::cin.tie(nullptr); cin >> n; priority_queue<P> q; rep(i, n) { cin >> a[i]; } rep(i, n) { cin >> b[i]; q.push({b[i], i}); } while (q.size()) { int now = q.top().first; int x = q.top().second; q.pop(); if (a[x] == now) { continue; } int yoko = 0; if (x) { yoko += b[x - 1]; } else { yoko += b[n - 1]; } if (x < n - 1) { yoko += b[x + 1]; } else { yoko += b[0]; } if (yoko <= b[x]) { int k = (b[x] - a[x]) / yoko; b[x] -= k * yoko; if (!k) { cout << -1 << endl; return 0; } q.push({b[x], x}); ans += k; } else { cout << -1 << endl; return 0; } } cout << ans << endl; }
insert
858
858
858
862
TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define li long long int #define rep(i, to) for (li i = 0; i < ((li)(to)); i++) #define repp(i, start, to) for (li i = (li)(start); i < ((li)(to)); i++) #define pb push_back #define sz(v) ((li)(v).size()) #define bgn(v) ((v).begin()) #define eend(v) ((v).end()) #define allof(v) (v).begin(), (v).end() #define dodp(v, n) memset(v, (li)n, sizeof(v)) #define bit(n) (1ll << (li)(n)) #define mp(a, b) make_pair(a, b) #define rin rep(i, n) #define EPS 1e-12 #define ETOL 1e-8 #define MOD 1000000007ll typedef pair<li, li> PI; #define INF bit(60) #define DBGP 1 #define idp if (DBGP) #define F first #define S second #define p2(a, b) idp cout << a << "\t" << b << endl #define p3(a, b, c) idp cout << a << "\t" << b << "\t" << c << endl #define p4(a, b, c, d) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << endl #define p5(a, b, c, d, e) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << endl #define p6(a, b, c, d, e, f) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << "\t" \ << f << endl #define p7(a, b, c, d, e, f, g) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << "\t" \ << f << "\t" << g << endl #define p8(a, b, c, d, e, f, g, h) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << "\t" \ << f << "\t" << g << "\t" << h << endl #define p9(a, b, c, d, e, f, g, h, i) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << "\t" \ << f << "\t" << g << "\t" << h << "\t" << i << endl #define p10(a, b, c, d, e, f, g, h, i, j) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << "\t" \ << f << "\t" << g << "\t" << h << "\t" << i << "\t" << j << endl #define foreach(it, v) \ for (__typeof((v).begin()) it = (v).begin(); it != (v).end(); ++it) #define p2p(x) idp p2((x).F, (x).S) #define dump(x, n) \ idp { \ rep(i, n) { cout << x[i] << " "; } \ puts(""); \ } #define dump2(x, n) \ idp { \ rep(i, n) { cout << "[" << x[i].F << " , " << x[i].S << "] "; } \ puts(""); \ } #define dumpi(x) \ idp { \ foreach (it, x) { \ cout << (*it) << " "; \ } \ puts(""); \ } #define dumpi2(x) \ idp { \ foreach (it, x) { \ cout << "[" << (it)->F << " , " << (it)->S << "] "; \ } \ puts(""); \ } #define read2d(a, w, h) rep(i, h) rep(j, w) cin >> a[i][j] #define dump2d(a, w, h) \ rep(i, h) { \ rep(j, w) cout << a[i][j] << " "; \ puts(""); \ } typedef pair<li, li> PI; li a[200200]; li b[200200]; li n; int main() { cin >> n; rin { cin >> a[i]; } rin { cin >> b[i]; } priority_queue<PI> pq; rin { pq.push({b[i], i}); } li res = 0; while (!pq.empty()) { li now = pq.top().S; li now_cost = pq.top().F; pq.pop(); if (b[now] == a[now]) { continue; } if (b[now] < now_cost) { continue; } li next = (now + 1) % n; li prev = (now + n - 1) % n; li new_cost = b[now] - b[next] - b[prev]; li top2 = pq.top().F; li diff = b[now] - max(top2, a[now]); li cnt = diff / (b[next] + b[prev]); cnt = max(cnt, 1ll); res += cnt; // dump(b, n); // p2(now, cnt); b[now] = b[now] - (b[next] + b[prev]) * cnt; if (b[now] < a[now]) { puts("-1"); return 0; } pq.push({b[now], now}); } cout << res << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define li long long int #define rep(i, to) for (li i = 0; i < ((li)(to)); i++) #define repp(i, start, to) for (li i = (li)(start); i < ((li)(to)); i++) #define pb push_back #define sz(v) ((li)(v).size()) #define bgn(v) ((v).begin()) #define eend(v) ((v).end()) #define allof(v) (v).begin(), (v).end() #define dodp(v, n) memset(v, (li)n, sizeof(v)) #define bit(n) (1ll << (li)(n)) #define mp(a, b) make_pair(a, b) #define rin rep(i, n) #define EPS 1e-12 #define ETOL 1e-8 #define MOD 1000000007ll typedef pair<li, li> PI; #define INF bit(60) #define DBGP 1 #define idp if (DBGP) #define F first #define S second #define p2(a, b) idp cout << a << "\t" << b << endl #define p3(a, b, c) idp cout << a << "\t" << b << "\t" << c << endl #define p4(a, b, c, d) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << endl #define p5(a, b, c, d, e) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << endl #define p6(a, b, c, d, e, f) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << "\t" \ << f << endl #define p7(a, b, c, d, e, f, g) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << "\t" \ << f << "\t" << g << endl #define p8(a, b, c, d, e, f, g, h) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << "\t" \ << f << "\t" << g << "\t" << h << endl #define p9(a, b, c, d, e, f, g, h, i) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << "\t" \ << f << "\t" << g << "\t" << h << "\t" << i << endl #define p10(a, b, c, d, e, f, g, h, i, j) \ idp cout << a << "\t" << b << "\t" << c << "\t" << d << "\t" << e << "\t" \ << f << "\t" << g << "\t" << h << "\t" << i << "\t" << j << endl #define foreach(it, v) \ for (__typeof((v).begin()) it = (v).begin(); it != (v).end(); ++it) #define p2p(x) idp p2((x).F, (x).S) #define dump(x, n) \ idp { \ rep(i, n) { cout << x[i] << " "; } \ puts(""); \ } #define dump2(x, n) \ idp { \ rep(i, n) { cout << "[" << x[i].F << " , " << x[i].S << "] "; } \ puts(""); \ } #define dumpi(x) \ idp { \ foreach (it, x) { \ cout << (*it) << " "; \ } \ puts(""); \ } #define dumpi2(x) \ idp { \ foreach (it, x) { \ cout << "[" << (it)->F << " , " << (it)->S << "] "; \ } \ puts(""); \ } #define read2d(a, w, h) rep(i, h) rep(j, w) cin >> a[i][j] #define dump2d(a, w, h) \ rep(i, h) { \ rep(j, w) cout << a[i][j] << " "; \ puts(""); \ } typedef pair<li, li> PI; li a[200200]; li b[200200]; li n; int main() { cin >> n; rin { cin >> a[i]; } rin { cin >> b[i]; } priority_queue<PI> pq; rin { pq.push({b[i], i}); } li res = 0; while (!pq.empty()) { li now = pq.top().S; li now_cost = pq.top().F; pq.pop(); if (b[now] == a[now]) { continue; } if (b[now] < now_cost) { continue; } li next = (now + 1) % n; li prev = (now + n - 1) % n; li new_cost = b[now] - b[next] - b[prev]; li top2 = pq.top().F; li diff = b[now] - max(a[now], a[now]); li cnt = diff / (b[next] + b[prev]); cnt = max(cnt, 1ll); res += cnt; // dump(b, n); // p2(now, cnt); b[now] = b[now] - (b[next] + b[prev]) * cnt; if (b[now] < a[now]) { puts("-1"); return 0; } pq.push({b[now], now}); } cout << res << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include "bits/stdc++.h" using namespace std; #define ll long long int #define rep(i, n) for (int i = 0; i < n; i++) #define rrep(i, n) for (int i = n; i >= 0; i--) #define REP(i, s, t) for (int i = s; i <= t; i++) #define RREP(i, s, t) for (int i = s; i >= t; i--) #define dump(x) cerr << #x << " = " << (x) << endl; #define INF 2000000000 #define mod 1000000007 #define INF2 1000000000000000000 #define int long long typedef pair<int, int> P; int A[200010]; int B[200010]; signed main(void) { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; rep(i, N) cin >> A[i]; rep(i, N) cin >> B[i]; priority_queue<P> pq; rep(i, N) { int L = (i + N - 1) % N; int M = (i + N) % N; int R = (i + N + 1) % N; pq.push({B[M] - B[L] - B[R], i}); } int cnt = 0; while (pq.size()) { P num = pq.top(); pq.pop(); // cout << num.first << endl; if (num.first < 0) break; int i = num.second; int L = (i + N - 1) % N; int M = (i + N) % N; int R = (i + N + 1) % N; if (B[L] + B[R] < B[M] && B[M] > A[M]) { int times = (B[M] - A[M]) / (B[L] + B[R]); B[M] -= (B[L] + B[R]) * times; cnt += times; // rep(i, N) cout << B[i] << " "; // cout << endl; REP(j, -1, 1) { int i2 = num.second + j + N * 2; int L1 = (i2 + N - 1) % N; int M1 = (i2 + N) % N; int R1 = (i2 + N + 1) % N; pq.push({B[M1] - B[L1] - B[R1], M1}); } } } rep(i, N) { if (B[i] != A[i]) { cout << -1 << endl; return 0; } } cout << cnt << endl; return 0; }
#include "bits/stdc++.h" using namespace std; #define ll long long int #define rep(i, n) for (int i = 0; i < n; i++) #define rrep(i, n) for (int i = n; i >= 0; i--) #define REP(i, s, t) for (int i = s; i <= t; i++) #define RREP(i, s, t) for (int i = s; i >= t; i--) #define dump(x) cerr << #x << " = " << (x) << endl; #define INF 2000000000 #define mod 1000000007 #define INF2 1000000000000000000 #define int long long typedef pair<int, int> P; int A[200010]; int B[200010]; signed main(void) { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; rep(i, N) cin >> A[i]; rep(i, N) cin >> B[i]; priority_queue<P> pq; rep(i, N) { int L = (i + N - 1) % N; int M = (i + N) % N; int R = (i + N + 1) % N; pq.push({B[M] - B[L] - B[R], i}); } int cnt = 0; while (pq.size()) { P num = pq.top(); pq.pop(); // cout << num.first << endl; if (num.first < 0) break; int i = num.second; int L = (i + N - 1) % N; int M = (i + N) % N; int R = (i + N + 1) % N; if (B[L] + B[R] < B[M] && B[M] > A[M]) { int times = (B[M] - A[M]) / (B[L] + B[R]); if (times <= 0) break; B[M] -= (B[L] + B[R]) * times; cnt += times; // rep(i, N) cout << B[i] << " "; // cout << endl; REP(j, -1, 1) { int i2 = num.second + j + N * 2; int L1 = (i2 + N - 1) % N; int M1 = (i2 + N) % N; int R1 = (i2 + N + 1) % N; pq.push({B[M1] - B[L1] - B[R1], M1}); } } } rep(i, N) { if (B[i] != A[i]) { cout << -1 << endl; return 0; } } cout << cnt << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef pair<int, int> P; typedef long long ll; typedef long double ld; const int inf = 1e9 + 7; const ll longinf = 1LL << 60; #define REP(i, m, n) for (int i = (int)(m); i < (int)(n); ++i) #define rep(i, n) REP(i, 0, n) #define F first #define S second const int mx = 200010; const ll mod = 1e9 + 7; int main() { int n; cin >> n; vector<ll> a(n), b(n); rep(i, n) { cin >> a[i]; } priority_queue<pair<ll, int>> q; rep(i, n) { cin >> b[i]; q.push({b[i], i}); } ll cnt = 0; while (!q.empty()) { ll p; int pos; tie(p, pos) = q.top(); q.pop(); int posl = pos - 1; if (posl < 0) posl += n; int posr = pos + 1; if (posr >= n) posr -= n; ll tmp = (b[pos] - a[pos]) / (b[posl] + b[posr]); b[pos] -= (b[posl] + b[posr]) * tmp; cnt += tmp; if (a[pos] != b[pos]) { q.push({b[pos], pos}); } } if (a == b) { cout << cnt << endl; } else { cout << -1 << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef pair<int, int> P; typedef long long ll; typedef long double ld; const int inf = 1e9 + 7; const ll longinf = 1LL << 60; #define REP(i, m, n) for (int i = (int)(m); i < (int)(n); ++i) #define rep(i, n) REP(i, 0, n) #define F first #define S second const int mx = 200010; const ll mod = 1e9 + 7; int main() { int n; cin >> n; vector<ll> a(n), b(n); rep(i, n) { cin >> a[i]; } priority_queue<pair<ll, int>> q; rep(i, n) { cin >> b[i]; q.push({b[i], i}); } ll cnt = 0; while (!q.empty()) { ll p; int pos; tie(p, pos) = q.top(); q.pop(); int posl = pos - 1; if (posl < 0) posl += n; int posr = pos + 1; if (posr >= n) posr -= n; ll tmp = (b[pos] - a[pos]) / (b[posl] + b[posr]); b[pos] -= (b[posl] + b[posr]) * tmp; cnt += tmp; if (a[pos] != b[pos] && tmp) { q.push({b[pos], pos}); } } if (a == b) { cout << cnt << endl; } else { cout << -1 << endl; } return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> // #include <boost/multiprecision/cpp_int.hpp> using namespace std; #define all(a) (a).begin(), (a).end() #define rall(a) (a).rbegin(), (a).rend() #define MIN(a) *std::min_element((a).begin(), (a).end()) #define MAX(a) *std::max_element((a).begin(), (a).end()) #define SUM(a) std::accumulate((a).begin(), (a).end(), 0LL) #define REP(i, n) for (std::size_t(i) = 0; (i) < (n); (i)++) #define RREP(i, n) for (std::size_t(i) = (n)-1; (i) >= 0; (i)--) #define FOR(i, m, n) for (std::size_t(i) = (m); (i) < (n); i++) #define FORR(i, m, n) for (std::size_t(i) = (n)-1; (i) >= (m); i--) #define debug(x) std::cerr << #x << " = " << x << '\n' // #define int long long using ll = long long; using ull = unsigned long long; using ld = long double; using vl = std::vector<long long>; using vvl = std::vector<std::vector<long long>>; // using bint = boost::multiprecision::cpp_int; // using rat = boost::rational<bint>; constexpr int inf = (1 << 30) - 1; constexpr long long INF = 1LL << 60; constexpr double eps = 1e-9; inline void ios_() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); } template <typename T> inline T Div(const T &a, const T &b) { return (a + b - 1) / b; } template <typename T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; } template <typename T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template <typename T> inline void finish(const T &msg) { std::cout << msg << std::endl; std::exit(0); } template <typename T> long long binarySearch(long long ng, long long ok, const T &fn) { while (std::abs(ok - ng) > 1) { long long mid = (ok + ng) / 2; if (fn(mid)) ok = mid; else ng = mid; } return ok; } struct ModInt { long long value; static constexpr long long mod = 1e9 + 7; // static constexpr long long mod = 998244353; constexpr ModInt(long long v = 0) : value(((v % mod) + mod) % mod) {} constexpr ModInt pow(long long n) const { long long x = value, res = 1; while (n > 0) { if (n & 1) { res = res * x % mod; } x = x * x % mod; n >>= 1; } return ModInt(res); } constexpr ModInt inverse() const { return pow(mod - 2); } constexpr ModInt operator-() const { return ModInt((mod - value) % mod); } constexpr ModInt &operator+=(const ModInt &a) { value += a.value; value %= mod; return *this; } constexpr ModInt &operator-=(const ModInt &a) { value += (-a).value; value %= mod; return *this; } constexpr ModInt &operator*=(const ModInt &a) { value *= a.value; value %= mod; return *this; } constexpr ModInt &operator/=(const ModInt &a) { return (*this) *= a.inverse(); } constexpr ModInt operator+(const ModInt &a) const { return ModInt(*this) += a; } constexpr ModInt operator-(const ModInt &a) const { return ModInt(*this) -= a; } constexpr ModInt operator*(const ModInt &a) const { return ModInt(*this) *= a; } constexpr ModInt operator/(const ModInt &a) const { return ModInt(*this) /= a; } constexpr bool operator==(const ModInt &a) const { return value == a.value; } constexpr bool operator!=(const ModInt &a) const { return value != a.value; } friend std::istream &operator>>(std::istream &is, ModInt &a) { long long v; is >> v; a = v; return is; } friend std::ostream &operator<<(std::ostream &os, const ModInt &a) { os << a.value; return os; } static ModInt factorial(int n) { static std::vector<ModInt> fact(1 << 18); if (fact.size() <= n) fact.resize(n + 1); if (n < 0) return 0; if (n == 0) return 1; if (fact[n] != 0) return fact[n]; return fact[n] = factorial(n - 1) * n; } static ModInt combin(int n, int k) { if (n < 0 || k < 0 || n < k) return 0; return factorial(n) / (factorial(k) * factorial(n - k)); } }; using mint = ModInt; signed main() { int n; cin >> n; vector<ll> a(n), b(n); for (auto &&i : a) cin >> i; for (auto &&i : b) cin >> i; REP(i, n) { if (a[i] > b[i]) { finish(-1); } } priority_queue<pair<ll, int>> que; REP(i, n) { que.push({b[i], i}); } ll ans = 0; while (!que.empty()) { auto p = que.top(); que.pop(); int l = (p.second + n - 1) % n, r = (p.second + 1) % n; ll x = (que.empty() ? a[p.second] : que.top().first); ll d = Div(b[p.second] - x, b[l] + b[r]); b[p.second] -= d * (b[l] + b[r]); ans += d; if (b[p.second] < a[p.second]) { finish(-1); } else if (b[p.second] > a[p.second]) { que.push({b[p.second], p.second}); } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> // #include <boost/multiprecision/cpp_int.hpp> using namespace std; #define all(a) (a).begin(), (a).end() #define rall(a) (a).rbegin(), (a).rend() #define MIN(a) *std::min_element((a).begin(), (a).end()) #define MAX(a) *std::max_element((a).begin(), (a).end()) #define SUM(a) std::accumulate((a).begin(), (a).end(), 0LL) #define REP(i, n) for (std::size_t(i) = 0; (i) < (n); (i)++) #define RREP(i, n) for (std::size_t(i) = (n)-1; (i) >= 0; (i)--) #define FOR(i, m, n) for (std::size_t(i) = (m); (i) < (n); i++) #define FORR(i, m, n) for (std::size_t(i) = (n)-1; (i) >= (m); i--) #define debug(x) std::cerr << #x << " = " << x << '\n' // #define int long long using ll = long long; using ull = unsigned long long; using ld = long double; using vl = std::vector<long long>; using vvl = std::vector<std::vector<long long>>; // using bint = boost::multiprecision::cpp_int; // using rat = boost::rational<bint>; constexpr int inf = (1 << 30) - 1; constexpr long long INF = 1LL << 60; constexpr double eps = 1e-9; inline void ios_() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); } template <typename T> inline T Div(const T &a, const T &b) { return (a + b - 1) / b; } template <typename T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; } template <typename T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template <typename T> inline void finish(const T &msg) { std::cout << msg << std::endl; std::exit(0); } template <typename T> long long binarySearch(long long ng, long long ok, const T &fn) { while (std::abs(ok - ng) > 1) { long long mid = (ok + ng) / 2; if (fn(mid)) ok = mid; else ng = mid; } return ok; } struct ModInt { long long value; static constexpr long long mod = 1e9 + 7; // static constexpr long long mod = 998244353; constexpr ModInt(long long v = 0) : value(((v % mod) + mod) % mod) {} constexpr ModInt pow(long long n) const { long long x = value, res = 1; while (n > 0) { if (n & 1) { res = res * x % mod; } x = x * x % mod; n >>= 1; } return ModInt(res); } constexpr ModInt inverse() const { return pow(mod - 2); } constexpr ModInt operator-() const { return ModInt((mod - value) % mod); } constexpr ModInt &operator+=(const ModInt &a) { value += a.value; value %= mod; return *this; } constexpr ModInt &operator-=(const ModInt &a) { value += (-a).value; value %= mod; return *this; } constexpr ModInt &operator*=(const ModInt &a) { value *= a.value; value %= mod; return *this; } constexpr ModInt &operator/=(const ModInt &a) { return (*this) *= a.inverse(); } constexpr ModInt operator+(const ModInt &a) const { return ModInt(*this) += a; } constexpr ModInt operator-(const ModInt &a) const { return ModInt(*this) -= a; } constexpr ModInt operator*(const ModInt &a) const { return ModInt(*this) *= a; } constexpr ModInt operator/(const ModInt &a) const { return ModInt(*this) /= a; } constexpr bool operator==(const ModInt &a) const { return value == a.value; } constexpr bool operator!=(const ModInt &a) const { return value != a.value; } friend std::istream &operator>>(std::istream &is, ModInt &a) { long long v; is >> v; a = v; return is; } friend std::ostream &operator<<(std::ostream &os, const ModInt &a) { os << a.value; return os; } static ModInt factorial(int n) { static std::vector<ModInt> fact(1 << 18); if (fact.size() <= n) fact.resize(n + 1); if (n < 0) return 0; if (n == 0) return 1; if (fact[n] != 0) return fact[n]; return fact[n] = factorial(n - 1) * n; } static ModInt combin(int n, int k) { if (n < 0 || k < 0 || n < k) return 0; return factorial(n) / (factorial(k) * factorial(n - k)); } }; using mint = ModInt; signed main() { int n; cin >> n; vector<ll> a(n), b(n); for (auto &&i : a) cin >> i; for (auto &&i : b) cin >> i; REP(i, n) { if (a[i] > b[i]) { finish(-1); } } priority_queue<pair<ll, int>> que; REP(i, n) { que.push({b[i], i}); } ll ans = 0; while (!que.empty()) { auto p = que.top(); que.pop(); int l = (p.second + n - 1) % n, r = (p.second + 1) % n; ll x = (que.empty() ? a[p.second] : max({a[p.second], b[l], b[r]})); ll d = Div(b[p.second] - x, b[l] + b[r]); b[p.second] -= d * (b[l] + b[r]); ans += d; if (b[p.second] < a[p.second]) { finish(-1); } else if (b[p.second] > a[p.second]) { que.push({b[p.second], p.second}); } } cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <cstdio> #include <cstring> #include <queue> using namespace std; struct node { int v, p; bool operator<(const node &a) const { return v < a.v; } }; int a[200005], b[200005]; priority_queue<node> q; int main(void) { int n, i, x, p, l, tmp; long long ans = 0; node k; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); } for (i = 0; i < n; i++) { scanf("%d", &b[i]); q.push((node){b[i], i}); } while (!q.empty()) { k = q.top(); q.pop(); if (k.p == 0) { p = n - 1; l = 1; } else if (k.p == n - 1) { p = n - 2; l = 0; } else { p = k.p - 1; l = k.p + 1; } if (k.v != a[k.p]) { if (k.v < b[p] + b[l]) { printf("-1"); return 0; } else { ans += k.v / (b[p] + b[l]); k.v = k.v % (b[p] + b[l]); if (k.v < a[k.p]) { tmp = (a[k.p] - k.v) / (b[p] + b[l]); if ((a[k.p] - k.v) % (b[p] + b[l]) != 0) tmp++; ans -= tmp; k.v += tmp * (b[p] + b[l]); } b[k.p] = k.v; q.push(k); } } } printf("%lld", ans); return 0; }
#include <cstdio> #include <cstring> #include <queue> using namespace std; struct node { int v, p; bool operator<(const node &a) const { return v < a.v; } }; int a[200005], b[200005]; priority_queue<node> q; int main(void) { int n, i, x, p, l, tmp; long long ans = 0; node k; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); } for (i = 0; i < n; i++) { scanf("%d", &b[i]); q.push((node){b[i], i}); } while (!q.empty()) { k = q.top(); q.pop(); if (k.p == 0) { p = n - 1; l = 1; } else if (k.p == n - 1) { p = n - 2; l = 0; } else { p = k.p - 1; l = k.p + 1; } if (k.v != a[k.p]) { if (k.v < b[p] + b[l]) { printf("-1"); return 0; } else { ans += k.v / (b[p] + b[l]); k.v = k.v % (b[p] + b[l]); if (k.v < a[k.p]) { tmp = (a[k.p] - k.v) / (b[p] + b[l]); if ((a[k.p] - k.v) % (b[p] + b[l]) != 0) { printf("-1"); return 0; } ans -= tmp; k.v += tmp * (b[p] + b[l]); } b[k.p] = k.v; q.push(k); } } } printf("%lld", ans); return 0; }
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p02941
C++
Runtime Error
#include <bits/stdc++.h> #define fo(i, l, r) for (int i = l; i <= r; i++) #define of(i, l, r) for (int i = l; i >= r; i--) #define fe(i, u) for (int i = head[u]; i; i = e[i].next) #define el putchar('\n') #define ta putchar(' ') using namespace std; typedef long long ll; typedef pair<int, int> pii; inline void open(const char *s) { #ifndef ONLINE_JUDGE char str[20]; sprintf(str, "%s.in", s); freopen(str, "r", stdin); // sprintf(str,"%s.out",s); // freopen(str,"w",stdout); #endif } inline int rd() { static int x, f; x = 0; f = 1; char ch = getchar(); for (; ch < '0' || ch > '9'; ch = getchar()) if (ch == '-') f = -1; for (; ch >= '0' && ch <= '9'; ch = getchar()) x = x * 10 + ch - '0'; return f > 0 ? x : -x; } const int N = 100010; int n, a[N], b[N]; set<pii> st; inline void no() { puts("-1"); exit(0); } int main() { n = rd(); fo(i, 1, n) a[i] = rd(); fo(i, 1, n) b[i] = rd(); fo(i, 1, n) if (a[i] != b[i]) { if (a[i] > b[i]) no(); st.insert(pii(b[i], i)); } ll ans = 0; while (!st.empty()) { pii x = *st.rbegin(); st.erase(x); int pre = x.second - 1, now = pre + 1, nxt = now + 1; if (pre <= 0) pre += n; if (nxt > n) nxt -= n; int hh = max(a[now], b[pre] + b[nxt]); int step = (b[now] - hh) / (b[pre] + b[nxt]); ans += step; b[now] -= step * (b[pre] + b[nxt]); if (b[now] == a[now]) continue; b[now] -= b[pre] + b[nxt]; ++ans; if (b[now] == a[now]) continue; if (b[now] > a[now]) { st.insert(pii(b[now], now)); continue; } no(); } printf("%lld\n", ans); return 0; }
#include <bits/stdc++.h> #define fo(i, l, r) for (int i = l; i <= r; i++) #define of(i, l, r) for (int i = l; i >= r; i--) #define fe(i, u) for (int i = head[u]; i; i = e[i].next) #define el putchar('\n') #define ta putchar(' ') using namespace std; typedef long long ll; typedef pair<int, int> pii; inline void open(const char *s) { #ifndef ONLINE_JUDGE char str[20]; sprintf(str, "%s.in", s); freopen(str, "r", stdin); // sprintf(str,"%s.out",s); // freopen(str,"w",stdout); #endif } inline int rd() { static int x, f; x = 0; f = 1; char ch = getchar(); for (; ch < '0' || ch > '9'; ch = getchar()) if (ch == '-') f = -1; for (; ch >= '0' && ch <= '9'; ch = getchar()) x = x * 10 + ch - '0'; return f > 0 ? x : -x; } const int N = 200010; int n, a[N], b[N]; set<pii> st; inline void no() { puts("-1"); exit(0); } int main() { n = rd(); fo(i, 1, n) a[i] = rd(); fo(i, 1, n) b[i] = rd(); fo(i, 1, n) if (a[i] != b[i]) { if (a[i] > b[i]) no(); st.insert(pii(b[i], i)); } ll ans = 0; while (!st.empty()) { pii x = *st.rbegin(); st.erase(x); int pre = x.second - 1, now = pre + 1, nxt = now + 1; if (pre <= 0) pre += n; if (nxt > n) nxt -= n; int hh = max(a[now], b[pre] + b[nxt]); int step = (b[now] - hh) / (b[pre] + b[nxt]); ans += step; b[now] -= step * (b[pre] + b[nxt]); if (b[now] == a[now]) continue; b[now] -= b[pre] + b[nxt]; ++ans; if (b[now] == a[now]) continue; if (b[now] > a[now]) { st.insert(pii(b[now], now)); continue; } no(); } printf("%lld\n", ans); return 0; }
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p02941
C++
Runtime Error
#include <cstdio> #include <cstdlib> #include <cstring> #include <map> #include <queue> #include <set> #include <vector> #define X first #define Y second #define PB push_back using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; const int N = 2e5 + 500; const int INF = 0x3f3f3f3f; const int MOD = 1e9 + 7; int A[N], B[N], n; int q[60 * N], cur, sz; inline int prv(int x) { return (x - 1 + n) % n; } inline int nxt(int x) { return (x + 1) % n; } int main() { scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%d", A + i); for (int i = 0; i < n; i++) scanf("%d", B + i); for (int i = 0; i < n; i++) { if (B[i] > B[prv(i)] + B[nxt(i)] && B[i] > A[i]) q[sz++] = i; } ll sol = 0; for (; cur < sz;) { int i = q[cur++]; sol += (ll)(B[i] - A[i]) / (B[prv(i)] + B[nxt(i)]); B[i] = B[i] - ((B[i] - A[i]) / (B[prv(i)] + B[nxt(i)])) * (B[prv(i)] + B[nxt(i)]); if (B[prv(i)] > A[prv(i)] && B[prv(i)] > B[prv(prv(i))] + B[i]) q[sz++] = prv(i); if (B[nxt(i)] > A[nxt(i)] && B[nxt(i)] > B[nxt(nxt(i))] + B[i]) q[sz++] = nxt(i); if (B[i] > A[i] && B[i] > B[prv(i)] + B[nxt(i)]) q[sz++] = i; } bool ans = 1; for (int i = 0; i < n; i++) ans &= (A[i] == B[i]); printf("%lld\n", ans ? sol : -1); return 0; }
#include <cstdio> #include <cstdlib> #include <cstring> #include <map> #include <queue> #include <set> #include <vector> #define X first #define Y second #define PB push_back using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; const int N = 2e5 + 500; const int INF = 0x3f3f3f3f; const int MOD = 1e9 + 7; int A[N], B[N], n; int q[60 * N], cur, sz; inline int prv(int x) { return (x - 1 + n) % n; } inline int nxt(int x) { return (x + 1) % n; } int main() { scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%d", A + i); for (int i = 0; i < n; i++) scanf("%d", B + i); for (int i = 0; i < n; i++) { if (B[i] > B[prv(i)] + B[nxt(i)] && B[i] > A[i]) q[sz++] = i; } ll sol = 0; for (; cur < sz;) { int i = q[cur++]; int potez = (ll)(B[i] - A[i] + B[prv(i)] + B[nxt(i)] - 1) / (B[prv(i)] + B[nxt(i)]); if (B[i] <= potez * (B[prv(i)] + B[nxt(i)])) potez--; sol += potez; B[i] = B[i] - potez * (B[prv(i)] + B[nxt(i)]); if (B[prv(i)] > A[prv(i)] && B[prv(i)] > B[prv(prv(i))] + B[i]) q[sz++] = prv(i); if (B[nxt(i)] > A[nxt(i)] && B[nxt(i)] > B[nxt(nxt(i))] + B[i]) q[sz++] = nxt(i); if (B[i] > A[i] && B[i] > B[prv(i)] + B[nxt(i)]) q[sz++] = i; } bool ans = 1; for (int i = 0; i < n; i++) ans &= (A[i] == B[i]); printf("%lld\n", ans ? sol : -1); return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define fs first #define sc second #define pb push_back #define mp make_pair #define eb emplace_back #define ALL(A) A.begin(), A.end() #define RALL(A) A.rbegin(), A.rend() typedef long long LL; typedef pair<LL, LL> P; const LL mod = 1000000007; const LL LINF = 1LL << 60; const int INF = 1 << 30; int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; long solve(int n, vector<long> &a, vector<long> &b) { long ret = 0; while (1) { bool f = false; for (int i = 0; i < n; i++) { if (a[i] != b[i]) break; if (i == n - 1) return ret; } for (int i = 0; i < n; i++) { long t = b[i % n] + b[(i + 2) % n]; if (b[(i + 1) % n] > t) { long k = (b[(i + 1) % n] - a[(i + 1) % n]) / t; ret += k; b[(i + 1) % n] -= t * k; f = true; } } if (!f) return -1; } } int main() { int n; cin >> n; vector<long> a(n), b(n); for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { cin >> b[i]; if (b[i] < a[i]) { puts("-1"); return 0; } } cout << solve(n, a, b) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define fs first #define sc second #define pb push_back #define mp make_pair #define eb emplace_back #define ALL(A) A.begin(), A.end() #define RALL(A) A.rbegin(), A.rend() typedef long long LL; typedef pair<LL, LL> P; const LL mod = 1000000007; const LL LINF = 1LL << 60; const int INF = 1 << 30; int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; long solve(int n, vector<long> &a, vector<long> &b) { long ret = 0; while (1) { bool f = false; for (int i = 0; i < n; i++) { if (a[i] != b[i]) break; if (i == n - 1) return ret; } for (int i = 0; i < n; i++) { long t = b[i % n] + b[(i + 2) % n]; if (b[(i + 1) % n] > t) { long k = (b[(i + 1) % n] - a[(i + 1) % n]) / t; ret += k; b[(i + 1) % n] -= t * k; if (k) f = true; } } if (!f) return -1; } } int main() { int n; cin >> n; vector<long> a(n), b(n); for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { cin >> b[i]; if (b[i] < a[i]) { puts("-1"); return 0; } } cout << solve(n, a, b) << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using vll = vector<ll>; using vvi = vector<vector<int>>; using vvl = vector<vector<ll>>; struct N { int i; ll v; }; bool operator<(const N &l, const N &r) { return l.v < r.v; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n; cin >> n; vector<ll> a(n), b(n); for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) cin >> b[i]; priority_queue<N> q; for (int i = 0; i < n; i++) { if (b[i] > a[i]) q.push(N{i, b[i]}); else if (b[i] < a[i]) { cout << "-1" << endl; return 0; } } ll ans = 0; while (q.size()) { auto now = q.top(); q.pop(); ll side = b[(now.i + n - 1) % n] + b[(now.i + 1) % n]; if (side == 0 || now.v - side < a[now.i]) { cout << -1 << endl; return 0; } ll sidemax = max(b[(now.i + n - 1) % n], b[(now.i + 1) % n]); ll skip = (sidemax + side - 1) / side; b[now.i] -= skip * side; if (b[now.i] > a[now.i]) { q.push(N{now.i, b[now.i]}); } ans += skip; } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using vll = vector<ll>; using vvi = vector<vector<int>>; using vvl = vector<vector<ll>>; struct N { int i; ll v; }; bool operator<(const N &l, const N &r) { return l.v < r.v; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n; cin >> n; vector<ll> a(n), b(n); for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) cin >> b[i]; priority_queue<N> q; for (int i = 0; i < n; i++) { if (b[i] > a[i]) q.push(N{i, b[i]}); else if (b[i] < a[i]) { cout << "-1" << endl; return 0; } } ll ans = 0; while (q.size()) { auto now = q.top(); q.pop(); ll side = b[(now.i + n - 1) % n] + b[(now.i + 1) % n]; if (side == 0 || now.v - side < a[now.i]) { cout << -1 << endl; return 0; } ll skip = (now.v - side) / side; if (skip == 0) skip++; skip = min(skip, (now.v - a[now.i] + side - 1) / side); b[now.i] -= skip * side; if (b[now.i] > a[now.i]) { q.push(N{now.i, b[now.i]}); } ans += skip; } cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define REP(i, n) for (int i = 0; i < n; i++) #define FOR(i, m, n) for (int i = m; i < n; i++) #define ll long long int const int INF = 2147483647; using namespace std; bool match[200000] = {}; ll a[200000] = {}; ll b[200000] = {}; priority_queue<pair<ll, ll>> q; int n; ll dfs(int i) { ll left = b[(i - 1 + n) % n]; ll right = b[(i + 1 + n) % n]; if (left + right == 0) { return 0; } ll ans = (abs(b[i] - a[i]) / (left + right)); b[i] = b[i] - (abs(b[i] - a[i]) / (left + right)) * (left + right); if (b[i] == 0) { return 0; } if (a[i] == b[i]) match[i] = true; if (b[(i - 2 + n) % n] + b[i] < b[(i - 1 + n) % n] && !match[(i - 1 + n) % n]) { if (b[(i - 2 + n) % n] + b[i] != 0) { q.push(make_pair(b[(i - 1 + n) % n] % (b[(i - 2 + n) % n] + b[i]), (i - 1 + n) % n)); } } if (b[i] + b[(i + 2 + n) % n] < b[(i + 1 + n) % n] && !match[(i + 1 + n) % n]) { if (b[i] + b[(i + 2 + n) % n] != 0) { q.push(make_pair(b[(i + 1 + n) % n] % (b[i] + b[(i + 2 + n) % n]), (i + 1 + n) % n)); } } return ans; } int main() { cin >> n; REP(i, n) { cin >> a[i]; } REP(i, n) { cin >> b[i]; if (a[i] == b[i]) { match[i] = true; } } ll ans = 0; REP(i, n) { ll left = b[(i - 1 + n) % n]; ll right = b[(i + 1 + n) % n]; if (left + right < b[i] && !match[i]) { q.push(make_pair(b[i] % (left + right), i)); } } while (!q.empty()) { auto top = q.top(); q.pop(); ans += dfs(top.second); } REP(i, n) { if (!match[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; }
#include <bits/stdc++.h> #define REP(i, n) for (int i = 0; i < n; i++) #define FOR(i, m, n) for (int i = m; i < n; i++) #define ll long long int const int INF = 2147483647; using namespace std; bool match[200000] = {}; ll a[200000] = {}; ll b[200000] = {}; priority_queue<pair<ll, ll>> q; int n; ll dfs(int i) { ll left = b[(i - 1 + n) % n]; ll right = b[(i + 1 + n) % n]; if (left + right == 0) { return 0; } ll ans = (abs(b[i] - a[i]) / (left + right)); if (ans == 0) { return 0; } b[i] = b[i] - (abs(b[i] - a[i]) / (left + right)) * (left + right); if (b[i] == 0) { return 0; } if (a[i] == b[i]) match[i] = true; if (b[(i - 2 + n) % n] + b[i] < b[(i - 1 + n) % n] && !match[(i - 1 + n) % n]) { if (b[(i - 2 + n) % n] + b[i] != 0) { q.push(make_pair(b[(i - 1 + n) % n] % (b[(i - 2 + n) % n] + b[i]), (i - 1 + n) % n)); } } if (b[i] + b[(i + 2 + n) % n] < b[(i + 1 + n) % n] && !match[(i + 1 + n) % n]) { if (b[i] + b[(i + 2 + n) % n] != 0) { q.push(make_pair(b[(i + 1 + n) % n] % (b[i] + b[(i + 2 + n) % n]), (i + 1 + n) % n)); } } return ans; } int main() { cin >> n; REP(i, n) { cin >> a[i]; } REP(i, n) { cin >> b[i]; if (a[i] == b[i]) { match[i] = true; } } ll ans = 0; REP(i, n) { ll left = b[(i - 1 + n) % n]; ll right = b[(i + 1 + n) % n]; if (left + right < b[i] && !match[i]) { q.push(make_pair(b[i] % (left + right), i)); } } while (!q.empty()) { auto top = q.top(); q.pop(); ans += dfs(top.second); } REP(i, n) { if (!match[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; }
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p02941
C++
Time Limit Exceeded
// #include <bits/stdc++.h> #include <algorithm> #include <cmath> #include <deque> #include <fstream> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string> #include <time.h> #include <vector> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> Pii; typedef pair<int, ll> Pil; typedef pair<ll, ll> Pll; typedef pair<ll, int> Pli; #define fi first #define se second const ll MOD = 1e9 + 7; const ll MOD2 = 998244353; const ll MOD3 = 1812447359; const ll INF = 1ll << 62; const double PI = 2 * asin(1); void yes() { printf("yes\n"); } void no() { printf("no\n"); } void Yes() { printf("Yes\n"); } void No() { printf("No\n"); } void YES() { printf("YES\n"); } void NO() { printf("NO\n"); } int N; ll A[int(2e5 + 5)], B[int(2e5 + 5)]; priority_queue<Pli> que; int main() { scanf("%d", &N); for (int i = 0; i < N; i++) scanf("%lld", A + i); for (int i = 0; i < N; i++) { scanf("%lld", B + i); que.push({B[i], i}); } ll ans = 0; while (!que.empty()) { Pli Q = que.top(); que.pop(); int now = Q.se; ll sum = 0; if (B[now] == A[now]) continue; if (now == 0) sum = B[N - 1] + B[1]; else if (now == N - 1) sum = B[N - 2] + B[0]; else sum = B[now - 1] + B[now + 1]; if (sum >= B[now]) { printf("-1\n"); return 0; } ll turn; if (A[now] >= sum) { turn = (B[now] - A[now]) / sum; } else { turn = (B[now] / sum); if (B[now] % sum == 0) turn--; } ans += turn; B[now] -= turn * sum; if (A[now] == B[now]) continue; if (A[now] > B[now]) { printf("-1\n"); return 0; } que.push({B[now], now}); } printf("%lld\n", ans); return 0; }
// #include <bits/stdc++.h> #include <algorithm> #include <cmath> #include <deque> #include <fstream> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string> #include <time.h> #include <vector> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> Pii; typedef pair<int, ll> Pil; typedef pair<ll, ll> Pll; typedef pair<ll, int> Pli; #define fi first #define se second const ll MOD = 1e9 + 7; const ll MOD2 = 998244353; const ll MOD3 = 1812447359; const ll INF = 1ll << 62; const double PI = 2 * asin(1); void yes() { printf("yes\n"); } void no() { printf("no\n"); } void Yes() { printf("Yes\n"); } void No() { printf("No\n"); } void YES() { printf("YES\n"); } void NO() { printf("NO\n"); } int N; ll A[int(2e5 + 5)], B[int(2e5 + 5)]; priority_queue<Pli> que; int main() { scanf("%d", &N); for (int i = 0; i < N; i++) scanf("%lld", A + i); for (int i = 0; i < N; i++) { scanf("%lld", B + i); que.push({B[i], i}); } ll ans = 0; while (!que.empty()) { Pli Q = que.top(); que.pop(); int now = Q.se; ll sum = 0; if (B[now] == A[now]) continue; if (now == 0) sum = B[N - 1] + B[1]; else if (now == N - 1) sum = B[N - 2] + B[0]; else sum = B[now - 1] + B[now + 1]; if (sum >= B[now]) { printf("-1\n"); return 0; } ll turn; if (A[now] >= sum) { turn = (B[now] - A[now]) / sum; } else { turn = (B[now] / sum); if (B[now] % sum == 0) turn--; } ans += turn; B[now] -= turn * sum; if (turn <= 0) { printf("-1\n"); return 0; } if (A[now] == B[now]) continue; if (A[now] > B[now]) { printf("-1\n"); return 0; } que.push({B[now], now}); } printf("%lld\n", ans); return 0; }
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TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define F first #define S second #define R cin >> #define Z class #define ll long long #define ln cout << '\n' #define in(a) insert(a) #define pb(a) push_back(a) #define pd(a) printf("%.10f\n", a) #define mem(a) memset(a, 0, sizeof(a)) #define all(c) (c).begin(), (c).end() #define iter(c) __typeof((c).begin()) #define rrep(i, n) for (ll i = (ll)(n)-1; i >= 0; i--) #define REP(i, m, n) for (ll i = (ll)(m); i < (ll)(n); i++) #define rep(i, n) REP(i, 0, n) #define tr(it, c) for (iter(c) it = (c).begin(); it != (c).end(); it++) template <Z A> void pr(A a) { cout << a; ln; } template <Z A, Z B> void pr(A a, B b) { cout << a << ' '; pr(b); } template <Z A, Z B, Z C> void pr(A a, B b, C c) { cout << a << ' '; pr(b, c); } template <Z A, Z B, Z C, Z D> void pr(A a, B b, C c, D d) { cout << a << ' '; pr(b, c, d); } template <Z A> void PR(A a, ll n) { rep(i, n) { if (i) cout << ' '; cout << a[i]; } ln; } ll check(ll n, ll m, ll x, ll y) { return x >= 0 && x < n && y >= 0 && y < m; } const ll MAX = 1e9 + 7, MAXL = 1LL << 61, dx[4] = {-1, 0, 1, 0}, dy[4] = {0, 1, 0, -1}; typedef pair<ll, ll> P; void Main() { ll n; R n; ll a[n], b[n]; rep(i, n) R a[i]; rep(i, n) R b[i]; priority_queue<P> que; que.push(P(0, -1)); rep(i, n) if (b[i] > a[i]) que.push(P(b[i], i)); ll ans = 0; while (que.size() > 1) { P p = que.top(); que.pop(); ll x = p.S; P q = que.top(); ll z = b[(x - 1 + n) % n] + b[(x + 1) % n]; ll m = max(1LL, min((b[x] - a[x]) / z, (ll)ceil((double)(b[x] - q.F) / z))); b[x] -= m * z; ans += m; if (b[x] < a[x]) { pr(-1); return; } if (b[x] > a[x]) que.push(P(b[x], x)); } pr(ans); } int main() { ios::sync_with_stdio(0); cin.tie(0); Main(); return 0; }
#include <bits/stdc++.h> using namespace std; #define F first #define S second #define R cin >> #define Z class #define ll long long #define ln cout << '\n' #define in(a) insert(a) #define pb(a) push_back(a) #define pd(a) printf("%.10f\n", a) #define mem(a) memset(a, 0, sizeof(a)) #define all(c) (c).begin(), (c).end() #define iter(c) __typeof((c).begin()) #define rrep(i, n) for (ll i = (ll)(n)-1; i >= 0; i--) #define REP(i, m, n) for (ll i = (ll)(m); i < (ll)(n); i++) #define rep(i, n) REP(i, 0, n) #define tr(it, c) for (iter(c) it = (c).begin(); it != (c).end(); it++) template <Z A> void pr(A a) { cout << a; ln; } template <Z A, Z B> void pr(A a, B b) { cout << a << ' '; pr(b); } template <Z A, Z B, Z C> void pr(A a, B b, C c) { cout << a << ' '; pr(b, c); } template <Z A, Z B, Z C, Z D> void pr(A a, B b, C c, D d) { cout << a << ' '; pr(b, c, d); } template <Z A> void PR(A a, ll n) { rep(i, n) { if (i) cout << ' '; cout << a[i]; } ln; } ll check(ll n, ll m, ll x, ll y) { return x >= 0 && x < n && y >= 0 && y < m; } const ll MAX = 1e9 + 7, MAXL = 1LL << 61, dx[4] = {-1, 0, 1, 0}, dy[4] = {0, 1, 0, -1}; typedef pair<ll, ll> P; void Main() { ll n; R n; ll a[n], b[n]; rep(i, n) R a[i]; rep(i, n) R b[i]; priority_queue<P> que; que.push(P(0, -1)); rep(i, n) if (b[i] > a[i]) que.push(P(b[i], i)); ll ans = 0; while (que.size() > 1) { P p = que.top(); que.pop(); ll x = p.S; P q = que.top(); ll z = b[(x - 1 + n) % n] + b[(x + 1) % n]; // ll m=max(1LL,min((b[x]-a[x])/z,(ll)ceil((double)(b[x]-q.F)/z))); ll m = max(1LL, (b[x] - a[x]) / z); b[x] -= m * z; ans += m; if (b[x] < a[x]) { pr(-1); return; } if (b[x] > a[x]) que.push(P(b[x], x)); } pr(ans); } int main() { ios::sync_with_stdio(0); cin.tie(0); Main(); return 0; }
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p02941
C++
Runtime Error
#include <algorithm> #include <cstdio> #include <queue> #define st first #define nd second using namespace std; using ll = long long; using pii = pair<int, int>; const int N = 1e5 + 10; int a[N], b[N]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); } a[0] = a[n]; priority_queue<pii> pq; for (int i = 1; i <= n; i++) { scanf("%d", &b[i]); if (b[i] != a[i]) pq.push({b[i], i % n}); } b[0] = b[n]; ll ans = 0; while (!pq.empty()) { pii p = pq.top(); pq.pop(); int x = (p.nd + 1) % n, y = (p.nd - 1 + n) % n; if (b[x] + b[y] >= b[p.nd]) return !printf("-1"); int sum = b[x] + b[y]; int ma = max(a[p.nd], sum); int k = (b[p.nd] - ma + sum - 1) / sum; b[p.nd] -= sum * k; if (b[p.nd] < a[p.nd]) return !printf("-1"); ans += k; if (b[p.nd] != a[p.nd]) pq.push({b[p.nd], p.nd}); } printf("%lld", ans); }
#include <algorithm> #include <cstdio> #include <queue> #define st first #define nd second using namespace std; using ll = long long; using pii = pair<int, int>; const int N = 2e5 + 10; int a[N], b[N]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); } a[0] = a[n]; priority_queue<pii> pq; for (int i = 1; i <= n; i++) { scanf("%d", &b[i]); if (b[i] != a[i]) pq.push({b[i], i % n}); } b[0] = b[n]; ll ans = 0; while (!pq.empty()) { pii p = pq.top(); pq.pop(); int x = (p.nd + 1) % n, y = (p.nd - 1 + n) % n; if (b[x] + b[y] >= b[p.nd]) return !printf("-1"); int sum = b[x] + b[y]; int ma = max(a[p.nd], sum); int k = (b[p.nd] - ma + sum - 1) / sum; b[p.nd] -= sum * k; if (b[p.nd] < a[p.nd]) return !printf("-1"); ans += k; if (b[p.nd] != a[p.nd]) pq.push({b[p.nd], p.nd}); } printf("%lld", ans); }
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p02941
C++
Time Limit Exceeded
#include <algorithm> #include <assert.h> #include <cmath> #include <ctime> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <string.h> #include <string> #include <unordered_map> #include <vector> using namespace std; #define vi vector<int> #define pii pair<int, int> #define x first #define y second #define all(x) x.begin(), x.end() #define pb push_back #define mp make_pair #define SZ(x) (int)x.size() #define rep(i, a, b) for (int i = a; i < b; i++) #define per(i, a, b) for (int i = b - 1; i >= a; i--) #define pi acos(-1) #define mod 998244353 // 1000000007 #define inf 1000000007 #define ll long long #define ull unsigned long long #define DBG(x) cerr << (#x) << "=" << x << "\n"; #define N 200005 template <class U, class T> void Max(U &x, T y) { if (x < y) x = y; } template <class U, class T> void Min(U &x, T y) { if (x > y) x = y; } // template <class T> void add(int &a,T b){a=(a+b)%mod;} inline int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); } inline ll gcd(ll a, ll b) { return b == 0 ? a : gcd(b, a % b); } int pow(int a, int b) { int ans = 1; while (b) { if (b & 1) ans = 1LL * ans * a % mod; a = 1LL * a * a % mod; b >>= 1; } return ans; } int pow(int a, int b, int c) { int ans = 1; while (b) { if (b & 1) ans = 1LL * ans * a % c; a = 1LL * a * a % c; b >>= 1; } return ans; } int a[N], b[N]; int main() { int T, m, i, j, k, n, K; scanf("%d", &n); set<pii> s; rep(i, 0, n) scanf("%d", &a[i]); rep(i, 0, n) { scanf("%d", &b[i]); } rep(i, 0, n) { if (b[i] < a[i]) { puts("-1"); return 0; } else if (b[i] > a[i]) { s.insert({b[i], i}); } } ll ans = 0; while (!s.empty()) { auto it = s.end(); it--; i = it->y; s.erase(it); j = (i - 1 + n) % n; k = (i + 1) % n; int dv = b[j] + b[k]; int v = b[i] - a[i]; if (a[i] >= dv) { if (v % dv) { puts("-1"); return 0; } ans += v / dv; b[i] = a[i]; continue; } else { K = b[i] / dv; ans += K; b[i] -= K * dv; } if (b[i] < a[i]) { puts("-1"); return 0; } else if (b[i] > a[i]) s.insert({b[i], i}); } printf("%lld\n", ans); }
#include <algorithm> #include <assert.h> #include <cmath> #include <ctime> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <string.h> #include <string> #include <unordered_map> #include <vector> using namespace std; #define vi vector<int> #define pii pair<int, int> #define x first #define y second #define all(x) x.begin(), x.end() #define pb push_back #define mp make_pair #define SZ(x) (int)x.size() #define rep(i, a, b) for (int i = a; i < b; i++) #define per(i, a, b) for (int i = b - 1; i >= a; i--) #define pi acos(-1) #define mod 998244353 // 1000000007 #define inf 1000000007 #define ll long long #define ull unsigned long long #define DBG(x) cerr << (#x) << "=" << x << "\n"; #define N 200005 template <class U, class T> void Max(U &x, T y) { if (x < y) x = y; } template <class U, class T> void Min(U &x, T y) { if (x > y) x = y; } // template <class T> void add(int &a,T b){a=(a+b)%mod;} inline int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); } inline ll gcd(ll a, ll b) { return b == 0 ? a : gcd(b, a % b); } int pow(int a, int b) { int ans = 1; while (b) { if (b & 1) ans = 1LL * ans * a % mod; a = 1LL * a * a % mod; b >>= 1; } return ans; } int pow(int a, int b, int c) { int ans = 1; while (b) { if (b & 1) ans = 1LL * ans * a % c; a = 1LL * a * a % c; b >>= 1; } return ans; } int a[N], b[N]; int main() { int T, m, i, j, k, n, K; scanf("%d", &n); set<pii> s; rep(i, 0, n) scanf("%d", &a[i]); rep(i, 0, n) { scanf("%d", &b[i]); } rep(i, 0, n) { if (b[i] < a[i]) { puts("-1"); return 0; } else if (b[i] > a[i]) { s.insert({b[i], i}); } } ll ans = 0; while (!s.empty()) { auto it = s.end(); it--; i = it->y; s.erase(it); j = (i - 1 + n) % n; k = (i + 1) % n; int dv = b[j] + b[k]; int v = b[i] - a[i]; if (a[i] >= dv) { if (v % dv) { puts("-1"); return 0; } ans += v / dv; b[i] = a[i]; continue; } else { K = b[i] / dv; if (K == 0) K = 1; ans += K; b[i] -= K * dv; } if (b[i] < a[i]) { puts("-1"); return 0; } else if (b[i] > a[i]) s.insert({b[i], i}); } printf("%lld\n", ans); }
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TLE
p02941
C++
Time Limit Exceeded
#include <map> #include <set> #include <stdio.h> #include <utility> #include <vector> // Attributes typedef long long int lld; int n; lld operation = 0; std::map<lld, std::vector<int>> indices; std::vector<lld> init, result; // Pop largest indices one. Return {result value, index} std::pair<lld, int> pop_largest() { auto largest_pointer = indices.rbegin(); lld largest = largest_pointer->first; int index_candidate = largest_pointer->second.back(); largest_pointer->second.pop_back(); if (largest_pointer->second.empty()) indices.erase(largest); return {largest, index_candidate}; } // Push void push(lld value, int index) { indices[value].push_back(index); } void push(std::pair<lld, int> info) { push(info.first, info.second); } // Near values {prev, next} std::pair<lld, lld> near_values(int index) { int previndex = (index + n - 1) % n, nextindex = (index + 1) % n; return {result[previndex], result[nextindex]}; } // Reduce given index by count. void reduce(int index, lld count) { std::pair<lld, lld> near_values_ = near_values(index); result[index] -= count * (near_values_.first + near_values_.second); } void printResult() { printf("Current result after %lld operation: [", operation); for (int i = 0; i < n; i++) printf("%lld, ", result[i]); printf("]\n"); } int main(void) { // freopen("VScode/IO/input.txt", "r", stdin); // freopen("VScode/IO/output.txt", "w", stdout); // Get input bool ok = true; scanf("%d", &n); init.resize(n); result.resize(n); for (int i = 0; i < n; i++) scanf("%lld", &init[i]); for (int i = 0; i < n; i++) { scanf("%lld", &result[i]); if (result[i] < init[i]) ok = false; else if (result[i] > init[i]) push(result[i], i); } // Reduce from the largest // printResult(); while (!indices.empty()) { // Pop two largest values std::pair<lld, int> largest_first = pop_largest(); lld current_value = largest_first.first; int i = largest_first.second; lld targetValue = init[i]; std::pair<lld, lld> near = near_values(i); // near values if (!indices.empty()) { std::pair<lld, int> largest_second = pop_largest(); lld secondaryTarget = largest_second.first; if (targetValue < secondaryTarget) targetValue = secondaryTarget; push(largest_second); } // Go lld reducable_count = (current_value - targetValue) / (near.first + near.second); // printf("Largest: (%lld, index %d), near values (%lld, %lld), targetValue // %lld\n", result[i], i, near.first, near.second, targetValue); if (reducable_count <= 0) { if (current_value - near.first - near.second >= init[i]) { reducable_count = 1; } else { // printf("Reducable count is %lld, break program.\n", reducable_count); ok = false; break; } } // printf("Reducable count %lld\n", reducable_count); reduce(i, reducable_count); operation += reducable_count; // printResult(); // Push again if (result[i] > init[i]) push(result[i], i); // Push if only still remaining } printf("%lld\n", ok ? operation : -1); return 0; }
#include <map> #include <set> #include <stdio.h> #include <utility> #include <vector> // Attributes typedef long long int lld; int n; lld operation = 0; std::map<lld, std::vector<int>> indices; std::vector<lld> init, result; // Pop largest indices one. Return {result value, index} std::pair<lld, int> pop_largest() { auto largest_pointer = indices.rbegin(); lld largest = largest_pointer->first; int index_candidate = largest_pointer->second.back(); largest_pointer->second.pop_back(); if (largest_pointer->second.empty()) indices.erase(largest); return {largest, index_candidate}; } // Push void push(lld value, int index) { indices[value].push_back(index); } void push(std::pair<lld, int> info) { push(info.first, info.second); } // Near values {prev, next} std::pair<lld, lld> near_values(int index) { int previndex = (index + n - 1) % n, nextindex = (index + 1) % n; return {result[previndex], result[nextindex]}; } // Reduce given index by count. void reduce(int index, lld count) { std::pair<lld, lld> near_values_ = near_values(index); result[index] -= count * (near_values_.first + near_values_.second); } void printResult() { printf("Current result after %lld operation: [", operation); for (int i = 0; i < n; i++) printf("%lld, ", result[i]); printf("]\n"); } int main(void) { // freopen("VScode/IO/input.txt", "r", stdin); // freopen("VScode/IO/output.txt", "w", stdout); // Get input bool ok = true; scanf("%d", &n); init.resize(n); result.resize(n); for (int i = 0; i < n; i++) scanf("%lld", &init[i]); for (int i = 0; i < n; i++) { scanf("%lld", &result[i]); if (result[i] < init[i]) ok = false; else if (result[i] > init[i]) push(result[i], i); } // Reduce from the largest // printResult(); while (!indices.empty()) { // Pop two largest values std::pair<lld, int> largest_first = pop_largest(); lld current_value = largest_first.first; int i = largest_first.second; lld targetValue = init[i]; std::pair<lld, lld> near = near_values(i); // near values /*if(!indices.empty()){ std::pair<lld, int> largest_second = pop_largest(); lld secondaryTarget = largest_second.first; if(targetValue < secondaryTarget) targetValue = secondaryTarget; push(largest_second); }*/ if (targetValue < near.first + near.second + 1) targetValue = near.first + near.second + 1; // Go lld reducable_count = (current_value - targetValue) / (near.first + near.second); // printf("Largest: (%lld, index %d), near values (%lld, %lld), targetValue // %lld\n", result[i], i, near.first, near.second, targetValue); if (reducable_count <= 0) { if (current_value - near.first - near.second >= init[i]) { reducable_count = 1; } else { // printf("Reducable count is %lld, break program.\n", reducable_count); ok = false; break; } } // printf("Reducable count %lld\n", reducable_count); reduce(i, reducable_count); operation += reducable_count; // printResult(); // Push again if (result[i] > init[i]) push(result[i], i); // Push if only still remaining } printf("%lld\n", ok ? operation : -1); return 0; }
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p02941
C++
Time Limit Exceeded
#include <iostream> #include <queue> #include <utility> #define llint long long using namespace std; typedef pair<llint, llint> P; llint n; llint a[200005], b[200005]; priority_queue<P> Q; int main(void) { ios::sync_with_stdio(0); cin.tie(0); cin >> n; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) cin >> b[i]; for (int i = 0; i < n; i++) { Q.push(make_pair(b[i], i)); } llint ans = 0; while (Q.size()) { llint id = Q.top().second; // cout << id << endl; // for(int i = 0; i < n; i++) cout << b[i] << " "; cout << endl; Q.pop(); if (b[id] == a[id]) continue; if (b[id] < a[id]) { cout << -1 << endl; return 0; } llint d = b[(id + 1) % n] + b[(id - 1 + n) % n], m = max(a[id], max(b[(id + 1) % n], b[(id - 1 + n) % n])); llint c = (b[id] - m + d - 1) / d; ans += c; b[id] -= c * d; Q.push(make_pair(b[id], id)); } cout << ans << endl; return 0; }
#include <iostream> #include <queue> #include <utility> #define llint long long using namespace std; typedef pair<llint, llint> P; llint n; llint a[200005], b[200005]; priority_queue<P> Q; int main(void) { ios::sync_with_stdio(0); cin.tie(0); cin >> n; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) cin >> b[i]; for (int i = 0; i < n; i++) { Q.push(make_pair(b[i], i)); } llint ans = 0; while (Q.size()) { llint id = Q.top().second; // cout << id << endl; // for(int i = 0; i < n; i++) cout << b[i] << " "; cout << endl; Q.pop(); if (b[id] == a[id]) continue; if (b[id] < a[id]) { cout << -1 << endl; return 0; } llint d = b[(id + 1) % n] + b[(id - 1 + n) % n], m = max(a[id], max(b[(id + 1) % n], b[(id - 1 + n) % n])); llint c = (b[id] - m + d - 1) / d; ans += c; b[id] -= c * d; Q.push(make_pair(b[id], id)); if (b[id] == a[id]) continue; if (b[id] < a[id]) { cout << -1 << endl; return 0; } } cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#define DEBUG 0 #include <bits/stdc++.h> using namespace std; #if DEBUG // basic debugging macros int __i__, __j__; #define printLine(l) \ for (__i__ = 0; __i__ < l; __i__++) { \ cout << "-"; \ } \ cout << endl #define printLine2(l, c) \ for (__i__ = 0; __i__ < l; __i__++) { \ cout << c; \ } \ cout << endl #define printVar(n) cout << #n << ": " << n << endl #define printArr(a, l) \ cout << #a << ": "; \ for (__i__ = 0; __i__ < l; __i__++) { \ cout << a[__i__] << " "; \ } \ cout << endl #define print2dArr(a, r, c) \ cout << #a << ":\n"; \ for (__i__ = 0; __i__ < r; __i__++) { \ for (__j__ = 0; __j__ < c; __j__++) { \ cout << a[__i__][__j__] << " "; \ } \ cout << endl; \ } #define print2dArr2(a, r, c, l) \ cout << #a << ":\n"; \ for (__i__ = 0; __i__ < r; __i__++) { \ for (__j__ = 0; __j__ < c; __j__++) { \ cout << setw(l) << setfill(' ') << a[__i__][__j__] << " "; \ } \ cout << endl; \ } // advanced debugging class // debug 1,2,'A',"test"; class _Debug { public: template <typename T> _Debug &operator,(T val) { cout << val << endl; return *this; } }; #define debug _Debug(), #else #define printLine(l) #define printLine2(l, c) #define printVar(n) #define printArr(a, l) #define print2dArr(a, r, c) #define print2dArr2(a, r, c, l) #define debug #endif // define #define MAX_VAL 999999999 #define MAX_VAL_2 999999999999999999LL #define EPS 1e-6 #define mp make_pair #define pb push_back // typedef typedef unsigned int UI; typedef long long int LLI; typedef unsigned long long int ULLI; typedef unsigned short int US; typedef pair<int, int> pii; typedef pair<LLI, LLI> plli; typedef vector<int> vi; typedef vector<LLI> vlli; typedef vector<pii> vpii; typedef vector<plli> vplli; // ---------- END OF TEMPLATE ---------- int A[200000], B[200000]; priority_queue<pii> H; int main() { int i; int N, d = 0; scanf("%d", &N); for (i = 0; i < N; i++) scanf("%d", &A[i]); for (i = 0; i < N; i++) scanf("%d", &B[i]), H.push(mp(B[i], i)), d += (A[i] != B[i]); for (i = 0; i < N; i++) { if (B[i] < A[i]) { printf("-1\n"); return 0; } } LLI ans = 0; while (d > 0) { if (H.empty()) { printf("-1\n"); return 0; } int u = H.top().second; H.pop(); if (B[u] == A[u]) continue; int c = B[(u + N - 1) % N] + B[(u + 1) % N]; if (c + A[u] > B[u]) continue; d -= (B[u] != A[u]); ans += (B[u] - A[u]) / c; B[u] -= ((B[u] - A[u]) / c) * c; d += (B[u] != A[u]); H.push(mp(B[u], u)); } printf("%lld\n", ans); return 0; }
#define DEBUG 0 #include <bits/stdc++.h> using namespace std; #if DEBUG // basic debugging macros int __i__, __j__; #define printLine(l) \ for (__i__ = 0; __i__ < l; __i__++) { \ cout << "-"; \ } \ cout << endl #define printLine2(l, c) \ for (__i__ = 0; __i__ < l; __i__++) { \ cout << c; \ } \ cout << endl #define printVar(n) cout << #n << ": " << n << endl #define printArr(a, l) \ cout << #a << ": "; \ for (__i__ = 0; __i__ < l; __i__++) { \ cout << a[__i__] << " "; \ } \ cout << endl #define print2dArr(a, r, c) \ cout << #a << ":\n"; \ for (__i__ = 0; __i__ < r; __i__++) { \ for (__j__ = 0; __j__ < c; __j__++) { \ cout << a[__i__][__j__] << " "; \ } \ cout << endl; \ } #define print2dArr2(a, r, c, l) \ cout << #a << ":\n"; \ for (__i__ = 0; __i__ < r; __i__++) { \ for (__j__ = 0; __j__ < c; __j__++) { \ cout << setw(l) << setfill(' ') << a[__i__][__j__] << " "; \ } \ cout << endl; \ } // advanced debugging class // debug 1,2,'A',"test"; class _Debug { public: template <typename T> _Debug &operator,(T val) { cout << val << endl; return *this; } }; #define debug _Debug(), #else #define printLine(l) #define printLine2(l, c) #define printVar(n) #define printArr(a, l) #define print2dArr(a, r, c) #define print2dArr2(a, r, c, l) #define debug #endif // define #define MAX_VAL 999999999 #define MAX_VAL_2 999999999999999999LL #define EPS 1e-6 #define mp make_pair #define pb push_back // typedef typedef unsigned int UI; typedef long long int LLI; typedef unsigned long long int ULLI; typedef unsigned short int US; typedef pair<int, int> pii; typedef pair<LLI, LLI> plli; typedef vector<int> vi; typedef vector<LLI> vlli; typedef vector<pii> vpii; typedef vector<plli> vplli; // ---------- END OF TEMPLATE ---------- int A[200000], B[200000]; priority_queue<pii> H; int main() { int i; int N, d = 0; scanf("%d", &N); for (i = 0; i < N; i++) scanf("%d", &A[i]); for (i = 0; i < N; i++) scanf("%d", &B[i]), H.push(mp(B[i], i)), d += (A[i] != B[i]); for (i = 0; i < N; i++) { if (B[i] < A[i]) { printf("-1\n"); return 0; } } LLI ans = 0; while (d > 0) { if (H.empty()) { printf("-1\n"); return 0; } int u = H.top().second; H.pop(); if (B[u] == A[u]) continue; int c = B[(u + N - 1) % N] + B[(u + 1) % N]; if ((LLI)c + A[u] > B[u]) continue; d -= (B[u] != A[u]); ans += (B[u] - A[u]) / c; B[u] -= ((B[u] - A[u]) / c) * c; d += (B[u] != A[u]); H.push(mp(B[u], u)); } printf("%lld\n", ans); return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll, ll> P; typedef pair<int, int> Pi; #define rep(i, n) for (ll i = 0; i < n; i++) #define FOR(i, a, b) for (ll i = a; i < b; i++) #define fi first #define se second #define endl "\n" template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> ostream &operator<<(ostream &s, const complex<T> &d) { return s << "(" << d.real() << ", " << d.imag() << ")"; } template <typename T1, typename T2> ostream &operator<<(ostream &s, const pair<T1, T2> &d) { return s << "(" << d.first << ", " << d.second << ")"; } template <typename T> ostream &operator<<(ostream &s, const vector<T> &d) { int len = d.size(); rep(i, len) { s << d[i]; if (i < len - 1) s << " "; } return s; } template <typename T> ostream &operator<<(ostream &s, const vector<vector<T>> &d) { int len = d.size(); rep(i, len) { s << d[i] << endl; } return s; } template <typename T> ostream &operator<<(ostream &s, const set<T> &v) { s << "{ "; for (auto itr = v.begin(); itr != v.end(); ++itr) { if (itr != v.begin()) { s << ", "; } s << (*itr); } s << " }"; return s; } template <typename T> ostream &operator<<(ostream &s, const multiset<T> &v) { s << "{ "; for (auto itr = v.begin(); itr != v.end(); ++itr) { if (itr != v.begin()) { s << ", "; } s << (*itr); } s << " }"; return s; } template <typename T1, typename T2> ostream &operator<<(ostream &s, const map<T1, T2> &m) { s << "{" << endl; for (auto itr = m.begin(); itr != m.end(); ++itr) { s << " " << (*itr).first << " : " << (*itr).second << endl; } s << "}" << endl; return s; } const ll mod = 1e9 + 7; const ll inf = 1e17; const int INF = 1e9; const double EPS = 1e-10; const double PI = acos(-1); int main() { cin.tie(0); ios::sync_with_stdio(false); ll n; cin >> n; vector<ll> a(n + 2), b(n + 2); FOR(i, 1, n + 1) { cin >> a[i]; } bool flag = true; set<P> st; FOR(i, 1, n + 1) { cin >> b[i]; if (b[i] < a[i]) { flag = false; } if (b[i] != a[i]) st.insert(P(b[i], i)); } if (!flag) { cout << -1 << endl; return 0; } b[0] = b[n], b[n + 1] = b[1]; ll ans = 0; while (true) { bool flag = false; FOR(i, 1, n + 1) { if (a[i] != b[i]) flag = true; } if (!flag) break; auto itr = st.end(); itr--; st.erase(itr); auto [num, ind] = *itr; ll diff = b[ind - 1] + b[ind + 1]; if (b[ind] <= diff) { cout << -1 << endl; return 0; } if ((b[ind] - a[ind]) % diff) { ans += b[ind] / diff; b[ind] %= diff; if (b[ind] < a[ind]) { cout << -1 << endl; return 0; } st.insert(P(b[ind], ind)); } else { ans += (b[ind] - a[ind]) / diff; b[ind] = a[ind]; } b[0] = b[n], b[n + 1] = b[1]; // cout<<b<<endl; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll, ll> P; typedef pair<int, int> Pi; #define rep(i, n) for (ll i = 0; i < n; i++) #define FOR(i, a, b) for (ll i = a; i < b; i++) #define fi first #define se second #define endl "\n" template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> ostream &operator<<(ostream &s, const complex<T> &d) { return s << "(" << d.real() << ", " << d.imag() << ")"; } template <typename T1, typename T2> ostream &operator<<(ostream &s, const pair<T1, T2> &d) { return s << "(" << d.first << ", " << d.second << ")"; } template <typename T> ostream &operator<<(ostream &s, const vector<T> &d) { int len = d.size(); rep(i, len) { s << d[i]; if (i < len - 1) s << " "; } return s; } template <typename T> ostream &operator<<(ostream &s, const vector<vector<T>> &d) { int len = d.size(); rep(i, len) { s << d[i] << endl; } return s; } template <typename T> ostream &operator<<(ostream &s, const set<T> &v) { s << "{ "; for (auto itr = v.begin(); itr != v.end(); ++itr) { if (itr != v.begin()) { s << ", "; } s << (*itr); } s << " }"; return s; } template <typename T> ostream &operator<<(ostream &s, const multiset<T> &v) { s << "{ "; for (auto itr = v.begin(); itr != v.end(); ++itr) { if (itr != v.begin()) { s << ", "; } s << (*itr); } s << " }"; return s; } template <typename T1, typename T2> ostream &operator<<(ostream &s, const map<T1, T2> &m) { s << "{" << endl; for (auto itr = m.begin(); itr != m.end(); ++itr) { s << " " << (*itr).first << " : " << (*itr).second << endl; } s << "}" << endl; return s; } const ll mod = 1e9 + 7; const ll inf = 1e17; const int INF = 1e9; const double EPS = 1e-10; const double PI = acos(-1); int main() { cin.tie(0); ios::sync_with_stdio(false); ll n; cin >> n; vector<ll> a(n + 2), b(n + 2); FOR(i, 1, n + 1) { cin >> a[i]; } bool flag = true; set<P> st; FOR(i, 1, n + 1) { cin >> b[i]; if (b[i] < a[i]) { flag = false; } if (b[i] != a[i]) st.insert(P(b[i], i)); } if (!flag) { cout << -1 << endl; return 0; } b[0] = b[n], b[n + 1] = b[1]; ll ans = 0; while (!st.empty()) { auto itr = st.end(); itr--; st.erase(itr); auto [num, ind] = *itr; ll diff = b[ind - 1] + b[ind + 1]; if (b[ind] <= diff) { cout << -1 << endl; return 0; } if ((b[ind] - a[ind]) % diff) { ans += b[ind] / diff; b[ind] %= diff; if (b[ind] < a[ind]) { cout << -1 << endl; return 0; } st.insert(P(b[ind], ind)); } else { ans += (b[ind] - a[ind]) / diff; b[ind] = a[ind]; } b[0] = b[n], b[n + 1] = b[1]; // cout<<b<<endl; } cout << ans << endl; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<ll, ll> pll; #define FOR(i, n, m) for (ll(i) = (m); (i) < (n); ++(i)) #define REP(i, n) FOR(i, n, 0) #define OF64 std::setprecision(10) const ll MOD = 1000000007; const ll INF = (ll)1e15; ll A[200005]; ll B[200005]; int main() { cin.tie(0); ios::sync_with_stdio(false); ll N; cin >> N; REP(i, N) { cin >> A[i]; } REP(i, N) { cin >> B[i]; } priority_queue<pll, vector<pll>> q; REP(i, N) { q.push(pll(B[i], i)); } ll ans = 0; while (!q.empty()) { pll t = q.top(); q.pop(); if (B[t.second] <= A[t.second]) continue; ans++; ll s = B[(t.second + 1) % N] + B[(N + t.second - 1) % N]; B[t.second] = std::max(0LL, t.first - s); if (B[t.second] == 0) break; q.push(pll(B[t.second], t.second)); } REP(i, N) { if (A[i] != B[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<ll, ll> pll; #define FOR(i, n, m) for (ll(i) = (m); (i) < (n); ++(i)) #define REP(i, n) FOR(i, n, 0) #define OF64 std::setprecision(10) const ll MOD = 1000000007; const ll INF = (ll)1e15; ll A[200005]; ll B[200005]; int main() { cin.tie(0); ios::sync_with_stdio(false); ll N; cin >> N; REP(i, N) { cin >> A[i]; } REP(i, N) { cin >> B[i]; } priority_queue<pll, vector<pll>> q; REP(i, N) { q.push(pll(B[i], i)); } ll ans = 0; while (!q.empty()) { pll t = q.top(); q.pop(); if (B[t.second] <= A[t.second]) continue; ll left = B[(t.second - 1 + N) % N]; ll right = B[(t.second + 1) % N]; ll s = left + right; ll n = std::min((t.first - std::max(left, right) + s - 1) / s, (t.first - A[t.second] + s - 1) / s); ans += n; B[t.second] = t.first - n * s; if (B[t.second] <= 0) break; q.push(pll(B[t.second], t.second)); } REP(i, N) { if (A[i] != B[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #pragma region Macros #define ios \ ios::sync_with_stdio(false); \ cin.tie(nullptr); #define VEC(type, name, size) \ V<type> name(size); \ IN(name) #define VVEC(type, name, h, w) \ VV<type> name(h, V<type>(w)); \ IN(name) #define INT(...) \ int __VA_ARGS__; \ IN(__VA_ARGS__) #define LL(...) \ ll __VA_ARGS__; \ IN(__VA_ARGS__) #define STR(...) \ string __VA_ARGS__; \ IN(__VA_ARGS__) #define CHAR(...) \ char __VA_ARGS__; \ IN(__VA_ARGS__) #define DOUBLE(...) \ DOUBLE __VA_ARGS__; \ IN(__VA_ARGS__) #define LD(...) \ LD __VA_ARGS__; \ IN(__VA_ARGS__) template <class T> void scan(T &a) { cin >> a; } template <class T> void scan(vector<T> &a) { for (auto &i : a) scan(i); } template <class T, class L> void scan(pair<T, L> &p) { scan(p.first); scan(p.second); } void IN() {} template <class Head, class... Tail> void IN(Head &head, Tail &...tail) { scan(head); IN(tail...); } template <class T> inline void print(T x) { cout << x << '\n'; } #define ll long long #define ld long double #define FOR(i, l, r) for (ll i = (l); i < (r); ++i) #define REP(i, n) FOR(i, 0, n) #define REPS(i, n) FOR(i, 1, n + 1) #define RFOR(i, l, r) for (ll i = (l); i >= (r); --i) #define RREP(i, n) RFOR(i, n - 1, 0) #define RREPS(i, n) RFOR(i, n, 1) #define pb push_back #define eb emplace_back #define SZ(x) ((ll)(x).size()) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() template <class T = ll> using V = vector<T>; template <class T = ll> using VV = V<V<T>>; 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; } inline void Yes(bool b = true) { cout << (b ? "Yes" : "No") << '\n'; } inline void YES(bool b = true) { cout << (b ? "YES" : "NO") << '\n'; } inline void err(bool b = true) { if (b) { cout << -1 << '\n'; exit(0); } } template <class T> inline void fin(bool b = true, T e = 0) { if (b) { cout << e << '\n'; exit(0); } } template <class T> T Roundup_div(T x, T y) { return (x + (y - 1)) / y; } template <typename T> T pow(T a, long long n, T e = 1) { T ret = e; while (n) { if (n & 1) ret *= a; a *= a; n >>= 1; } return ret; } const ll INF = 1e18; #pragma endregion using P = pair<int, int>; int main() { ios; INT(n); VEC(int, a, n); VEC(int, b, n); priority_queue<P> q; REP(i, n) { if (b[i] > a[i]) q.push({b[i], i}); if (b[i] < a[i]) { print(-1); return 0; } } ll cnt = 0; while (SZ(q)) { P p = q.top(); q.pop(); ll s = p.second; ll sum = b[(s ? s - 1 : n - 1)] + b[(s == n - 1 ? 0 : s + 1)]; cnt += (b[s] - a[s]) / sum; b[s] -= (b[s] - a[s]) / sum * sum; if (a[s] != b[s]) q.push({b[s], s}); } print(cnt); }
#include <bits/stdc++.h> using namespace std; #pragma region Macros #define ios \ ios::sync_with_stdio(false); \ cin.tie(nullptr); #define VEC(type, name, size) \ V<type> name(size); \ IN(name) #define VVEC(type, name, h, w) \ VV<type> name(h, V<type>(w)); \ IN(name) #define INT(...) \ int __VA_ARGS__; \ IN(__VA_ARGS__) #define LL(...) \ ll __VA_ARGS__; \ IN(__VA_ARGS__) #define STR(...) \ string __VA_ARGS__; \ IN(__VA_ARGS__) #define CHAR(...) \ char __VA_ARGS__; \ IN(__VA_ARGS__) #define DOUBLE(...) \ DOUBLE __VA_ARGS__; \ IN(__VA_ARGS__) #define LD(...) \ LD __VA_ARGS__; \ IN(__VA_ARGS__) template <class T> void scan(T &a) { cin >> a; } template <class T> void scan(vector<T> &a) { for (auto &i : a) scan(i); } template <class T, class L> void scan(pair<T, L> &p) { scan(p.first); scan(p.second); } void IN() {} template <class Head, class... Tail> void IN(Head &head, Tail &...tail) { scan(head); IN(tail...); } template <class T> inline void print(T x) { cout << x << '\n'; } #define ll long long #define ld long double #define FOR(i, l, r) for (ll i = (l); i < (r); ++i) #define REP(i, n) FOR(i, 0, n) #define REPS(i, n) FOR(i, 1, n + 1) #define RFOR(i, l, r) for (ll i = (l); i >= (r); --i) #define RREP(i, n) RFOR(i, n - 1, 0) #define RREPS(i, n) RFOR(i, n, 1) #define pb push_back #define eb emplace_back #define SZ(x) ((ll)(x).size()) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() template <class T = ll> using V = vector<T>; template <class T = ll> using VV = V<V<T>>; 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; } inline void Yes(bool b = true) { cout << (b ? "Yes" : "No") << '\n'; } inline void YES(bool b = true) { cout << (b ? "YES" : "NO") << '\n'; } inline void err(bool b = true) { if (b) { cout << -1 << '\n'; exit(0); } } template <class T> inline void fin(bool b = true, T e = 0) { if (b) { cout << e << '\n'; exit(0); } } template <class T> T Roundup_div(T x, T y) { return (x + (y - 1)) / y; } template <typename T> T pow(T a, long long n, T e = 1) { T ret = e; while (n) { if (n & 1) ret *= a; a *= a; n >>= 1; } return ret; } const ll INF = 1e18; #pragma endregion using P = pair<int, int>; int main() { ios; INT(n); VEC(int, a, n); VEC(int, b, n); priority_queue<P> q; REP(i, n) { if (b[i] > a[i]) q.push({b[i], i}); if (b[i] < a[i]) { print(-1); return 0; } } ll cnt = 0; while (SZ(q)) { P p = q.top(); q.pop(); ll s = p.second; ll sum = b[(s ? s - 1 : n - 1)] + b[(s == n - 1 ? 0 : s + 1)]; ll t = (b[s] - a[s]) / sum; if (!t) { print(-1); return 0; } cnt += t; b[s] -= t * sum; if (a[s] != b[s]) q.push({b[s], s}); } print(cnt); }
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p02941
C++
Time Limit Exceeded
// #define _GLIBCXX_DEBUG #include <bits/stdc++.h> #include <iostream> using namespace std; #define ll long long #define ld long double #define P pair<ll, ll> #define FOR(i, n, m) for (ll i = n; i < (ll)m; i++) #define FORr(i, m, n) for (ll i = n; i >= (ll)m; i--) #define FORm(i, m) for (auto i = m.begin(); i != m.end(); i++) #define sortAl(v) sort(v.begin(), v.end()) #define sortAlr(v) \ sort(v.begin(), v.end()); \ reverse(v.begin(), v.end()) #define cout(n) cout << fixed << setprecision(n) ll f(ll a, ll n) { return (a + n) % n; } int main() { cin.tie(0); ios::sync_with_stdio(false); auto compare = [](P a, P b) { return a.first < b.first; }; std::priority_queue<P, std::vector<P>, decltype(compare) // 比較関数オブジェクトを指定 > q{compare}; ll n; cin >> n; vector<ll> in(n); FOR(i, 0, n) cin >> in[i]; vector<ll> out(n); FOR(i, 0, n) cin >> out[i]; FOR(i, 0, n) q.push(P(out[i], i)); ll res = 0; ll pre = -1; while (!q.empty() && pre != q.top().second) { ll val = q.top().first; ll idx = q.top().second; pre = idx; q.pop(); if (val == in[idx]) continue; if (val <= out[f(idx - 1, n)] + out[f(idx + 1, n)]) continue; while (out[idx] > out[f(idx - 1, n)] + out[f(idx + 1, n)] && out[idx] > in[idx]) { out[idx] -= out[f(idx - 1, n)] + out[f(idx + 1, n)]; res++; } ll dif = out[idx] - in[idx]; ll t_res = dif / (out[f(idx - 1, n)] + out[f(idx + 1, n)]); res += t_res; out[idx] -= t_res * (out[f(idx - 1, n)] + out[f(idx + 1, n)]); if (out[idx] > in[idx]) q.push(P(out[idx], idx)); } // FOR(i,0,n)cout<<out[i]<<" "; // cout<<endl; FOR(i, 0, n) if (in[i] != out[i]) res = -1; cout << res << endl; }
// #define _GLIBCXX_DEBUG #include <bits/stdc++.h> #include <iostream> using namespace std; #define ll long long #define ld long double #define P pair<ll, ll> #define FOR(i, n, m) for (ll i = n; i < (ll)m; i++) #define FORr(i, m, n) for (ll i = n; i >= (ll)m; i--) #define FORm(i, m) for (auto i = m.begin(); i != m.end(); i++) #define sortAl(v) sort(v.begin(), v.end()) #define sortAlr(v) \ sort(v.begin(), v.end()); \ reverse(v.begin(), v.end()) #define cout(n) cout << fixed << setprecision(n) ll f(ll a, ll n) { return (a + n) % n; } int main() { cin.tie(0); ios::sync_with_stdio(false); auto compare = [](P a, P b) { return a.first < b.first; }; std::priority_queue<P, std::vector<P>, decltype(compare) // 比較関数オブジェクトを指定 > q{compare}; ll n; cin >> n; vector<ll> in(n); FOR(i, 0, n) cin >> in[i]; vector<ll> out(n); FOR(i, 0, n) cin >> out[i]; FOR(i, 0, n) q.push(P(out[i], i)); ll res = 0; ll pre = -1; while (!q.empty() && pre != q.top().second) { ll val = q.top().first; ll idx = q.top().second; pre = idx; q.pop(); if (val == in[idx]) continue; if (val <= out[f(idx - 1, n)] + out[f(idx + 1, n)]) continue; ll dif = out[idx] - in[idx]; ll t_res = dif / (out[f(idx - 1, n)] + out[f(idx + 1, n)]); res += t_res; out[idx] -= t_res * (out[f(idx - 1, n)] + out[f(idx + 1, n)]); if (out[idx] > in[idx]) q.push(P(out[idx], idx)); } // FOR(i,0,n)cout<<out[i]<<" "; // cout<<endl; FOR(i, 0, n) if (in[i] != out[i]) res = -1; cout << res << endl; }
delete
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TLE
p02941
C++
Time Limit Exceeded
#include <cstdio> #include <queue> using namespace std; int a[200000]; int b[200000]; int main() { int n, i; long long ans = 0; priority_queue<pair<int, int>> q; scanf("%d", &n); for (i = 0; i < n; i++) scanf("%d", &a[i]); for (i = 0; i < n; i++) scanf("%d", &b[i]); for (i = 0; i < n; i++) q.push(make_pair(b[i], i)); while (!q.empty()) { int x = q.top().second, l, r, c; q.pop(); if (b[x] < a[x]) { puts("-1"); return 0; } else if (b[x] == a[x]) { continue; } l = (x - 1 + n) % n; r = (x + 1) % n; if (b[x] <= b[l] + b[r]) { puts("-1"); return 0; } c = (b[x] - a[x]) / (b[l] + b[r]); ans += c; b[x] -= (b[l] + b[r]) * c; q.push(make_pair(b[x], x)); } printf("%lld\n", ans); return 0; }
#include <cstdio> #include <queue> using namespace std; int a[200000]; int b[200000]; int main() { int n, i; long long ans = 0; priority_queue<pair<int, int>> q; scanf("%d", &n); for (i = 0; i < n; i++) scanf("%d", &a[i]); for (i = 0; i < n; i++) scanf("%d", &b[i]); for (i = 0; i < n; i++) q.push(make_pair(b[i], i)); while (!q.empty()) { int x = q.top().second, l, r, c; q.pop(); if (b[x] < a[x]) { puts("-1"); return 0; } else if (b[x] == a[x]) { continue; } l = (x - 1 + n) % n; r = (x + 1) % n; if (b[x] <= b[l] + b[r]) { puts("-1"); return 0; } c = (b[x] - a[x]) / (b[l] + b[r]); if (c == 0) { puts("-1"); return 0; } ans += c; b[x] -= (b[l] + b[r]) * c; q.push(make_pair(b[x], x)); } printf("%lld\n", ans); return 0; }
insert
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TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using pii = pair<int, int>; int n, a[200010], b[200010]; int norm(int x) { x = ((x % n) + n) % n; return x ? x : n; } int &A(int i) { return a[norm(i)]; } int &B(int i) { return b[norm(i)]; } bool f(int i) { return B(i) >= B(i - 1) + B(i + 1) + A(i); } int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]); for (int i = 1; i <= n; i++) scanf("%d", &b[i]); priority_queue<pii> q; long long ans = 0; for (int i = 1; i <= n; i++) if (f(i)) q.push({B(i), i}); while (!q.empty()) { int i = q.top().second; q.pop(); int k = (B(i) - A(i)) / (B(i - 1) + B(i + 1)); ans += k; B(i) -= k * (B(i - 1) + B(i + 1)); if (f(i - 1)) q.push({B(i - 1), i - 1}); if (f(i + 1)) q.push({B(i + 1), i + 1}); } for (int i = 1; i <= n; i++) if (A(i) != B(i)) { puts("-1"); return 0; } printf("%lld", ans); return 0; }
#include <bits/stdc++.h> using namespace std; using pii = pair<int, int>; int n, a[200010], b[200010]; int norm(int x) { x = ((x % n) + n) % n; return x ? x : n; } int &A(int i) { return a[norm(i)]; } int &B(int i) { return b[norm(i)]; } bool f(int i) { return B(i) >= B(i - 1) + B(i + 1) + A(i); } int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]); for (int i = 1; i <= n; i++) scanf("%d", &b[i]); priority_queue<pii> q; long long ans = 0; for (int i = 1; i <= n; i++) if (f(i)) q.push({B(i), i}); while (!q.empty()) { int i = q.top().second; q.pop(); int k = (B(i) - A(i)) / (B(i - 1) + B(i + 1)); if (!k) { puts("-1"); return 0; } ans += k; B(i) -= k * (B(i - 1) + B(i + 1)); if (f(i - 1)) q.push({B(i - 1), i - 1}); if (f(i + 1)) q.push({B(i + 1), i + 1}); } for (int i = 1; i <= n; i++) if (A(i) != B(i)) { puts("-1"); return 0; } printf("%lld", ans); return 0; }
insert
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TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int main(int argc, char const *argv[]) { int n; cin >> n; long long a[n], b[n]; multiset<pair<long long, int>> memo; for (int i = 0; i < n; ++i) { cin >> a[i]; } for (int i = 0; i < n; ++i) { cin >> b[i]; if (a[i] != b[i]) { memo.insert(make_pair(b[i], i)); } } long long ans = 0LL; while (memo.size() > 0) { for (auto i = memo.end();; --i) { if (i == memo.end()) { --i; } auto p = *i; int l = (p.second - 1 + n) % n, r = (p.second + 1) % n; if (b[p.second] > b[l] + b[r]) { memo.erase(i); b[p.second] -= a[p.second]; ans += b[p.second] / (b[l] + b[r]); b[p.second] %= (b[l] + b[r]); b[p.second] += a[p.second]; if (a[p.second] != b[p.second]) { memo.insert(make_pair(b[p.second], p.second)); } break; } if (i == memo.begin()) { cout << "-1\n"; return 0; } } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main(int argc, char const *argv[]) { int n; cin >> n; long long a[n], b[n]; multiset<pair<long long, int>> memo; for (int i = 0; i < n; ++i) { cin >> a[i]; } for (int i = 0; i < n; ++i) { cin >> b[i]; if (a[i] != b[i]) { memo.insert(make_pair(b[i], i)); } } long long ans = 0LL; while (memo.size() > 0) { auto i = memo.end(); --i; auto p = *i; int l = (p.second - 1 + n) % n, r = (p.second + 1) % n; memo.erase(i); b[p.second] -= a[p.second]; if (b[p.second] / (b[l] + b[r]) == 0) { cout << "-1\n"; return 0; } ans += b[p.second] / (b[l] + b[r]); b[p.second] %= (b[l] + b[r]); b[p.second] += a[p.second]; if (a[p.second] != b[p.second]) { memo.insert(make_pair(b[p.second], p.second)); } } cout << ans << endl; return 0; }
replace
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TLE
p02941
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, a[100100], b[100100]; cin >> n; for (int i = 0; i < n; i++) cin >> a[i]; set<pair<int, int>> s; for (int i = 0; i < n; i++) { cin >> b[i]; s.insert({b[i], i}); } long long ans = 0; while (!s.empty()) { int i = s.rbegin()->second; s.erase(*s.rbegin()); if (b[i] <= a[i]) continue; int sum = b[(i + 1) % n] + b[(i + n - 1) % n]; int op = (b[i] - a[i]) / sum; if (op) { ans += op; b[i] -= op * sum; s.insert({b[i], i}); } else { cout << -1 << endl; return 0; } } for (int i = 0; i < n; i++) if (a[i] != b[i]) { cout << -1 << endl; return 0; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, a[200100], b[200100]; cin >> n; for (int i = 0; i < n; i++) cin >> a[i]; set<pair<int, int>> s; for (int i = 0; i < n; i++) { cin >> b[i]; s.insert({b[i], i}); } long long ans = 0; while (!s.empty()) { int i = s.rbegin()->second; s.erase(*s.rbegin()); if (b[i] <= a[i]) continue; int sum = b[(i + 1) % n] + b[(i + n - 1) % n]; int op = (b[i] - a[i]) / sum; if (op) { ans += op; b[i] -= op * sum; s.insert({b[i], i}); } else { cout << -1 << endl; return 0; } } for (int i = 0; i < n; i++) if (a[i] != b[i]) { cout << -1 << endl; return 0; } cout << ans << endl; }
replace
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0
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define all(x) (x).begin(), (x).end() #define mp make_pair #define pb push_back #define ff first #define ss second #define ll long long typedef pair<ll, ll> pll; typedef vector<pll> vi; #define out(x) return cout << x, 0; #define precision(x, d) cout << fixed << setprecision(d) << x #define coutif(a, b, c) cout << (a ? b : c) int main() { ll n, m, j, k = 0, ans = 0, t = 0, x, y, i; cin >> n; ll a[n], b[n]; for (i = 0; i < n; i++) cin >> a[i]; for (i = 0; i < n; i++) cin >> b[i]; for (j = 0; j < 1000; j++) { for (i = 0; i < n; i++) { x = (i + n - 1) % n, y = (i + 1) % n; k = b[x] + b[y]; if (k < b[i]) { t = (b[i] - a[i]) / k; b[i] -= k * t; ans += t; } } } for (i = 0; i < n; i++) if (a[i] != b[i]) out(-1); cout << ans; }
#include <bits/stdc++.h> using namespace std; #define all(x) (x).begin(), (x).end() #define mp make_pair #define pb push_back #define ff first #define ss second #define ll long long typedef pair<ll, ll> pll; typedef vector<pll> vi; #define out(x) return cout << x, 0; #define precision(x, d) cout << fixed << setprecision(d) << x #define coutif(a, b, c) cout << (a ? b : c) int main() { ll n, m, j, k = 0, ans = 0, t = 0, x, y, i; cin >> n; ll a[n], b[n]; for (i = 0; i < n; i++) cin >> a[i]; for (i = 0; i < n; i++) cin >> b[i]; for (j = 0; j < 100; j++) { for (i = 0; i < n; i++) { x = (i + n - 1) % n, y = (i + 1) % n; k = b[x] + b[y]; if (k < b[i]) { t = (b[i] - a[i]) / k; b[i] -= k * t; ans += t; } } } for (i = 0; i < n; i++) if (a[i] != b[i]) out(-1); cout << ans; }
replace
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TLE
p02941
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define x first #define y second #define pb push_back #define mp make_pair typedef pair<int, int> pii; typedef long long ll; const int MOD = 1e9 + 7; const int BASE = 27; const int N = 100001; const ll oo = 1e18; const double EPS = 1e-9; int n, a[N], b[N]; priority_queue<pii> q; int main() { cin >> n; for (int i = 0; i < n; ++i) { scanf("%d", a + i); } for (int i = 0; i < n; ++i) { scanf("%d", b + i); q.push(mp(b[i], i)); } ll ans = 0; while (q.size()) { pii f = q.top(); q.pop(); if (b[f.y] == a[f.y]) continue; if (a[f.y] > b[f.y]) { puts("-1"); return 0; } int nxt_idx = (f.y + 1) % n; int prv_idx = (f.y - 1 + n) % n; int rem = b[nxt_idx] + b[prv_idx]; int g = (b[f.y] - a[f.y]) / rem; int newVal = f.x - g * rem; b[f.y] = newVal; ans += g; if (!g && newVal != a[f.y]) { puts("-1"); return 0; } q.push(make_pair(newVal, f.y)); } printf("%lld\n", ans); return 0; }
#include <bits/stdc++.h> using namespace std; #define x first #define y second #define pb push_back #define mp make_pair typedef pair<int, int> pii; typedef long long ll; const int MOD = 1e9 + 7; const int BASE = 27; const int N = 200001; const ll oo = 1e18; const double EPS = 1e-9; int n, a[N], b[N]; priority_queue<pii> q; int main() { cin >> n; for (int i = 0; i < n; ++i) { scanf("%d", a + i); } for (int i = 0; i < n; ++i) { scanf("%d", b + i); q.push(mp(b[i], i)); } ll ans = 0; while (q.size()) { pii f = q.top(); q.pop(); if (b[f.y] == a[f.y]) continue; if (a[f.y] > b[f.y]) { puts("-1"); return 0; } int nxt_idx = (f.y + 1) % n; int prv_idx = (f.y - 1 + n) % n; int rem = b[nxt_idx] + b[prv_idx]; int g = (b[f.y] - a[f.y]) / rem; int newVal = f.x - g * rem; b[f.y] = newVal; ans += g; if (!g && newVal != a[f.y]) { puts("-1"); return 0; } q.push(make_pair(newVal, f.y)); } printf("%lld\n", ans); return 0; }
replace
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> int main() { using namespace std; unsigned long N; cin >> N; vector<unsigned long> A(N), B(N); copy_n(istream_iterator<unsigned long>(cin), N, A.begin()); priority_queue<pair<unsigned long, unsigned long>> pq; for (unsigned long i = 0; i < N; ++i) { cin >> B[i]; if (B[i] != A[i]) pq.emplace(B[i], i); } unsigned long ans{0}; while (!pq.empty()) { auto t = pq.top().second; pq.pop(); auto bf = (t + N - 1) % N, nx = (t + 1) % N; if (B[t] < B[bf] + B[nx] + A[t]) return 0 & puts("-1"); auto tmp = (B[t] - A[t]) / (B[bf] + B[nx]); if (!pq.empty()) tmp = min(tmp, (B[t] - pq.top().first + B[bf] + B[nx] - 1) / (B[bf], B[nx])); ans += tmp; if ((B[t] -= tmp * (B[bf] + B[nx])) > A[t]) pq.emplace(B[t], t); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> int main() { using namespace std; unsigned long N; cin >> N; vector<unsigned long> A(N), B(N); copy_n(istream_iterator<unsigned long>(cin), N, A.begin()); priority_queue<pair<unsigned long, unsigned long>> pq; for (unsigned long i = 0; i < N; ++i) { cin >> B[i]; if (B[i] != A[i]) pq.emplace(B[i], i); } unsigned long ans{0}; while (!pq.empty()) { auto t = pq.top().second; pq.pop(); auto bf = (t + N - 1) % N, nx = (t + 1) % N; if (B[t] < B[bf] + B[nx] + A[t]) return 0 & puts("-1"); auto tmp = (B[t] - A[t]) / (B[bf] + B[nx]); ans += tmp; if ((B[t] -= tmp * (B[bf] + B[nx])) > A[t]) pq.emplace(B[t], t); } cout << ans << endl; return 0; }
delete
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TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using ll = long long; mt19937 mt(736); void solve(istream &cin = std::cin, ostream &cout = std::cout) { int n; cin >> n; vector<int> a(n), b(n); for (auto &it : a) cin >> it; priority_queue<pair<int, int>> pq; for (size_t i = 0; i < b.size(); i++) { cin >> b[i]; if (b[i] < a[i]) { cout << -1 << endl; return; } pq.emplace(b[i], i); } ll cnt = 0; while (!pq.empty()) { int wh = pq.top().second; pq.pop(); assert(b[wh] >= a[wh]); if (b[wh] > a[wh]) { auto sub = b[wh == 0 ? n - 1 : wh - 1] + b[wh + 1 == n ? 0 : wh + 1]; if ((b[wh] - a[wh]) % sub == 0) { cnt += (b[wh] - a[wh]) / sub; b[wh] = a[wh]; } else { cnt += b[wh] / sub; b[wh] %= sub; } if (b[wh] < a[wh]) { cout << -1 << endl; return; } pq.emplace(b[wh], wh); } } cout << cnt << endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed; #ifdef LOCAL ifstream fin("../input.txt"); solve(fin); cout << setprecision(4); cout << "clock: " << clock() / (double)CLOCKS_PER_SEC << endl; #else solve(); #endif return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; mt19937 mt(736); void solve(istream &cin = std::cin, ostream &cout = std::cout) { int n; cin >> n; vector<int> a(n), b(n); for (auto &it : a) cin >> it; priority_queue<pair<int, int>> pq; for (size_t i = 0; i < b.size(); i++) { cin >> b[i]; if (b[i] < a[i]) { cout << -1 << endl; return; } pq.emplace(b[i], i); } ll cnt = 0; while (!pq.empty()) { int wh = pq.top().second; pq.pop(); assert(b[wh] >= a[wh]); if (b[wh] > a[wh]) { auto sub = b[wh == 0 ? n - 1 : wh - 1] + b[wh + 1 == n ? 0 : wh + 1]; if (sub > b[wh]) { cout << -1 << endl; return; } if ((b[wh] - a[wh]) % sub == 0) { cnt += (b[wh] - a[wh]) / sub; b[wh] = a[wh]; } else { cnt += b[wh] / sub; b[wh] %= sub; } if (b[wh] < a[wh]) { cout << -1 << endl; return; } pq.emplace(b[wh], wh); } } cout << cnt << endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed; #ifdef LOCAL ifstream fin("../input.txt"); solve(fin); cout << setprecision(4); cout << "clock: " << clock() / (double)CLOCKS_PER_SEC << endl; #else solve(); #endif return 0; }
insert
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TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; long long n; vector<long long> a, b; priority_queue<pair<int, int>> pq; long long solve(); int main() { cin >> n; a.resize(n); b.resize(n); for (int i = 0; i < n; ++i) cin >> a[i]; for (int i = 0; i < n; ++i) cin >> b[i]; cout << solve() << endl; return 0; } long long solve() { long long cnt = 0; for (int i = 0; i < n; ++i) if (b[i] != a[i]) pq.push({b[i] - a[i], i}); while (!pq.empty()) { pair<int, int> now = pq.top(); pq.pop(); if (now.first == 0) break; ++cnt; b[now.second] -= b[(now.second + 1) % n]; b[now.second] -= b[(now.second - 1 + n) % n]; if (b[now.second] - a[now.second] < 0) return -1; if (b[now.second] == a[now.second]) continue; pq.push({b[now.second] - a[now.second], now.second}); } return cnt; }
#include <bits/stdc++.h> using namespace std; long long n; vector<long long> a, b; priority_queue<pair<int, int>> pq; long long solve(); int main() { cin >> n; a.resize(n); b.resize(n); for (int i = 0; i < n; ++i) cin >> a[i]; for (int i = 0; i < n; ++i) cin >> b[i]; cout << solve() << endl; return 0; } long long solve() { long long cnt = 0; for (int i = 0; i < n; ++i) if (b[i] != a[i]) pq.push({b[i] - a[i], i}); while (!pq.empty()) { pair<int, int> now = pq.top(); pq.pop(); if (now.first == 0) break; long long mnum = b[(now.second + 1) % n] + b[(now.second - 1 + n) % n], nowc; nowc = (b[now.second] - a[now.second]) / mnum; cnt += nowc; b[now.second] -= nowc * mnum; if (nowc <= 0) return -1; if (b[now.second] == a[now.second]) continue; pq.push({b[now.second] - a[now.second], now.second}); } return cnt; }
replace
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TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define ln '\n' #define all(dat) dat.begin(), dat.end() #define loop(i, to) for (int i = 0; i < to; ++i) #define cont(i, to) for (int i = 1; i <= to; ++i) #define circ(i, fr, to) for (int i = fr; i <= to; ++i) #define foreach(i, dat) \ for (__typeof(dat.begin()) i = dat.begin(); i != dat.end(); ++i) typedef long long num; using namespace std; const int nsz = 2e5; int n; num a[nsz + 5], b[nsz + 5], ans; priority_queue<pair<num, int>> q; int inline pre(int id) { return id != 1 ? id - 1 : n; } int inline nxt(int id) { return id != n ? id + 1 : 1; } int main() { ios_base::sync_with_stdio(0); cin >> n; cont(i, n) { cin >> a[i]; } cont(i, n) { cin >> b[i]; if (a[i] != b[i]) { q.push(make_pair(b[i], i)); } } for (; !q.empty();) { int id = q.top().second; num cur = q.top().first; q.pop(); num del = b[pre(id)] + b[nxt(id)], cnt = (b[id] - a[id]) / del; ans += cnt; b[id] = cur - cnt * del; if (a[id] > b[id]) { ans = -1; break; } else if (a[id] != b[id]) { q.push(make_pair(b[id], id)); } } cout << ans << ln; }
#include <bits/stdc++.h> #define ln '\n' #define all(dat) dat.begin(), dat.end() #define loop(i, to) for (int i = 0; i < to; ++i) #define cont(i, to) for (int i = 1; i <= to; ++i) #define circ(i, fr, to) for (int i = fr; i <= to; ++i) #define foreach(i, dat) \ for (__typeof(dat.begin()) i = dat.begin(); i != dat.end(); ++i) typedef long long num; using namespace std; const int nsz = 2e5; int n; num a[nsz + 5], b[nsz + 5], ans; priority_queue<pair<num, int>> q; int inline pre(int id) { return id != 1 ? id - 1 : n; } int inline nxt(int id) { return id != n ? id + 1 : 1; } int main() { ios_base::sync_with_stdio(0); cin >> n; cont(i, n) { cin >> a[i]; } cont(i, n) { cin >> b[i]; if (a[i] != b[i]) { q.push(make_pair(b[i], i)); } } for (; !q.empty();) { int id = q.top().second; num cur = q.top().first; q.pop(); num del = b[pre(id)] + b[nxt(id)], cnt = max(1LL, (b[id] - a[id]) / del); ans += cnt; b[id] = cur - cnt * del; if (a[id] > b[id]) { ans = -1; break; } else if (a[id] != b[id]) { q.push(make_pair(b[id], id)); } } cout << ans << ln; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace std; #define PB push_back #define MP make_pair #define st first #define nd second #define ALL(x) (x).begin(), (x).end() #define SZ(x) ((int)(x).size()) using ll = long long; using pii = pair<int, int>; using vi = vector<int>; using vll = vector<long long>; using ld = long double; #define unordered_map __fast_unordered_map template <class Key, class Value, class Hash = std::hash<Key>> using unordered_map = __gnu_pbds::gp_hash_table<Key, Value, Hash>; template <class C> void mini(C &a4, C b4) { a4 = min(a4, b4); } template <class C> void maxi(C &a4, C b4) { a4 = max(a4, b4); } template <class TH> void _dbg(const char *sdbg, TH h) { cerr << sdbg << '=' << h << endl; } template <class TH, class... TA> void _dbg(const char *sdbg, TH h, TA... a) { while (*sdbg != ',') cerr << *sdbg++; cerr << '=' << h << ','; _dbg(sdbg + 1, a...); } template <class T> ostream &operator<<(ostream &os, vector<T> V) { os << "["; for (auto vv : V) os << vv << ","; return os << "]"; } template <class L, class R> ostream &operator<<(ostream &os, pair<L, R> P) { return os << "(" << P.st << "," << P.nd << ")"; } #ifdef LOCAL #define debug(...) _dbg(#__VA_ARGS__, __VA_ARGS__) #else #define debug(...) (__VA_ARGS__) #define cerr \ if (0) \ cout #endif int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout << fixed << setprecision(11); cerr << fixed << setprecision(6); int n; cin >> n; vi a(n), b(n); for (int &x : a) { cin >> x; } for (int &x : b) { cin >> x; } multiset<pii> b_set; for (int i = 0; i < n; ++i) { if (b[i] > a[i]) { b_set.emplace(b[i], i); } } ll num_ops = 0; while (!b_set.empty()) { int val, loc; tie(val, loc) = *b_set.rbegin(); debug(val, loc, a, b); b_set.erase(prev(b_set.end())); assert(val > a[loc]); const ll x = b[(loc + n - 1) % n]; const ll y = b[(loc + 1) % n]; const ll diff = x + y; if (diff > b[loc]) { cout << "-1\n"; return 0; } const int bound = max<ll>({a[loc], x - diff, y - diff}); const int max_steps = (b[loc] - bound) / diff; num_ops += max_steps; b[loc] -= max_steps * diff; if (b[loc] > a[loc]) { b_set.emplace(b[loc], loc); } } for (int i = 0; i < n; ++i) { if (a[i] != b[i]) { cout << "-1\n"; return 0; } } cout << num_ops << "\n"; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace std; #define PB push_back #define MP make_pair #define st first #define nd second #define ALL(x) (x).begin(), (x).end() #define SZ(x) ((int)(x).size()) using ll = long long; using pii = pair<int, int>; using vi = vector<int>; using vll = vector<long long>; using ld = long double; #define unordered_map __fast_unordered_map template <class Key, class Value, class Hash = std::hash<Key>> using unordered_map = __gnu_pbds::gp_hash_table<Key, Value, Hash>; template <class C> void mini(C &a4, C b4) { a4 = min(a4, b4); } template <class C> void maxi(C &a4, C b4) { a4 = max(a4, b4); } template <class TH> void _dbg(const char *sdbg, TH h) { cerr << sdbg << '=' << h << endl; } template <class TH, class... TA> void _dbg(const char *sdbg, TH h, TA... a) { while (*sdbg != ',') cerr << *sdbg++; cerr << '=' << h << ','; _dbg(sdbg + 1, a...); } template <class T> ostream &operator<<(ostream &os, vector<T> V) { os << "["; for (auto vv : V) os << vv << ","; return os << "]"; } template <class L, class R> ostream &operator<<(ostream &os, pair<L, R> P) { return os << "(" << P.st << "," << P.nd << ")"; } #ifdef LOCAL #define debug(...) _dbg(#__VA_ARGS__, __VA_ARGS__) #else #define debug(...) (__VA_ARGS__) #define cerr \ if (0) \ cout #endif int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout << fixed << setprecision(11); cerr << fixed << setprecision(6); int n; cin >> n; vi a(n), b(n); for (int &x : a) { cin >> x; } for (int &x : b) { cin >> x; } multiset<pii> b_set; for (int i = 0; i < n; ++i) { if (b[i] > a[i]) { b_set.emplace(b[i], i); } } ll num_ops = 0; while (!b_set.empty()) { int val, loc; tie(val, loc) = *b_set.rbegin(); debug(val, loc, a, b); b_set.erase(prev(b_set.end())); assert(val > a[loc]); const ll x = b[(loc + n - 1) % n]; const ll y = b[(loc + 1) % n]; const ll diff = x + y; if (diff > b[loc] - a[loc]) { cout << "-1\n"; return 0; } const int bound = max<ll>({a[loc], x - diff, y - diff}); const int max_steps = (b[loc] - bound) / diff; num_ops += max_steps; b[loc] -= max_steps * diff; if (b[loc] > a[loc]) { b_set.emplace(b[loc], loc); } } for (int i = 0; i < n; ++i) { if (a[i] != b[i]) { cout << "-1\n"; return 0; } } cout << num_ops << "\n"; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> #pragma GCC optimize("unroll-loops") #pragma GCC optimize("Ofast") #define va first #define vb second using namespace std; typedef long long ll; typedef pair<int, int> pii; int n, arr[202020], brr[202020]; ll ans; priority_queue<pii> pq; inline int pv(int x) { if (x == 0) return n - 1; return --x; } inline int nx(int x) { if (x == n - 1) return 0; return ++x; } int main() { cin.tie(0); ios_base::sync_with_stdio(0); cin >> n; for (int i = 0; i < n; i++) cin >> arr[i]; for (int i = 0; i < n; i++) cin >> brr[i]; for (int i = 0; i < n; i++) pq.push(pii(brr[i], i)); while (!pq.empty()) { pii tmp = pq.top(); pq.pop(); // cout << tmp.va << ' ' << tmp.vb << '\n'; int v = tmp.va, i = tmp.vb; if (v < arr[i] + brr[pv(i)] + brr[nx(i)]) { if (brr[i] == arr[i] && brr[pv(i)] == arr[pv(i)] && brr[nx(i)] == arr[nx(i)]) continue; break; } ans += (ll)(brr[i] - arr[i]) / (brr[pv(i)] + brr[nx(i)]); brr[i] = (brr[i] - arr[i]) % (brr[pv(i)] + brr[nx(i)]) + arr[i]; pq.push(pii(brr[i], i)); } for (int i = 0; i < n; i++) { if (arr[i] == brr[i]) continue; cout << -1; return 0; } cout << ans; }
#include <bits/stdc++.h> #pragma GCC optimize("unroll-loops") #pragma GCC optimize("Ofast") #define va first #define vb second using namespace std; typedef long long ll; typedef pair<int, int> pii; int n, arr[202020], brr[202020]; ll ans; priority_queue<pii> pq; inline int pv(int x) { if (x == 0) return n - 1; return --x; } inline int nx(int x) { if (x == n - 1) return 0; return ++x; } int main() { cin.tie(0); ios_base::sync_with_stdio(0); cin >> n; for (int i = 0; i < n; i++) cin >> arr[i]; for (int i = 0; i < n; i++) cin >> brr[i]; for (int i = 0; i < n; i++) pq.push(pii(brr[i], i)); while (!pq.empty()) { pii tmp = pq.top(); pq.pop(); // cout << tmp.va << ' ' << tmp.vb << '\n'; int v = tmp.va, i = tmp.vb; if (v < arr[i] + brr[pv(i)] + brr[nx(i)]) { if (brr[i] == arr[i] && brr[pv(i)] == arr[pv(i)] && brr[nx(i)] == arr[nx(i)]) continue; break; } ans += (ll)(brr[i] - arr[i]) / (brr[pv(i)] + brr[nx(i)]); brr[i] = (brr[i] - arr[i]) % (brr[pv(i)] + brr[nx(i)]) + arr[i]; if (brr[i] < brr[nx(i)] || brr[i] < brr[pv(i)]) pq.push(pii(brr[i], i)); } for (int i = 0; i < n; i++) { if (arr[i] == brr[i]) continue; cout << -1; return 0; } cout << ans; }
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p02941
C++
Runtime Error
#include <algorithm> #include <array> #include <cmath> #include <complex> #include <cstdio> #include <cstring> #include <functional> #include <iostream> #include <limits.h> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <time.h> #include <unordered_map> #include <unordered_set> #include <vector> #define rep(i, s, n) for (int i = (s); (n) > i; i++) #define REP(i, n) rep(i, 0, n) #define RANGE(x, a, b) (min(a, b) <= (x) && (x) <= max(a, b)) // hei #define DUPLE(a, b, c, d) \ (RANGE(a, c, d) || RANGE(b, c, d) || RANGE(c, a, b) || RANGE(d, a, b)) #define INCLU(a, b, c, d) (RANGE(a, c, d) && (b, c, d)) #define PW(x) ((x) * (x)) #define ALL(x) (x).begin(), (x).end() #define RALL(x) (x).rbegin(), (x).rend() #define MODU 1000000007LL #define bitcheck(a, b) ((a >> b) & 1) #define bitset(a, b) (a |= (1 << b)) #define bitunset(a, b) (a &= ~(1 << b)) #define MP(a, b) make_pair((a), (b)) #define Manh(a, b) (abs((a).first-(b).first) + abs((a).second - ((b).second)) #define pritnf printf #define scnaf scanf #define itn int #define PI 3.141592653589 #define izryt bool using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val) { std::fill((T *)array, (T *)(array + N), val); } pll Dir[4] = {{-1, 0}, {0, 1}, {1, 0}, {0, -1}}; //[a, b) #define Getsum(ar, a, b) (ar[b] - ar[a]) #define INF 10000000000000000LL #define chmax(a, b) a = max(a, b) #define chmin(a, b) a = min(a, b) struct Edge { int from, to; ll w; bool operator<(const Edge &rhs) const { return MP(w, MP(from, to)) < MP(rhs.w, MP(rhs.from, rhs.to)); } }; int mod_pow(int x, int n, int mod) { ll res = 1; while (n > 0) { if (n & 1) res = res * x % mod; x = 1LL * x * x % mod; n >>= 1; } return res; } typedef vector<vector<Edge>> Graph; template <unsigned mod> struct RollingHash { vector<unsigned> hashed, power; unsigned base = 10007; inline unsigned mul(unsigned a, unsigned b) const { return (1LL * a * b) % mod; } RollingHash(const string &s) { int sz = (int)s.size(); hashed.assign(sz + 1, 0); power.assign(sz + 1, 0); power[0] = 1; for (int i = 0; i < sz; i++) { power[i + 1] = mul(power[i], base); hashed[i + 1] = mul(hashed[i], base) + s[i]; if (hashed[i + 1] >= mod) hashed[i + 1] -= mod; } } unsigned get(int l, int r) const { unsigned ret = hashed[r] + mod - mul(hashed[l], power[r - l]); if (ret >= mod) ret -= mod; return ret; } unsigned connect(unsigned h1, unsigned h2, ll h2len) const { unsigned ret = mul(h1, mod_pow(base, h2len, mod)) + h2; if (ret >= mod) ret -= mod; return ret; } unsigned powstr(unsigned h2, int h2len, ll ts) const { if (ts == 0) return 0; unsigned han = powstr(h2, h2len, ts / 2); unsigned ret = connect(han, han, h2len * (ts / 2)); if (ts % 2) ret = connect(ret, h2, h2len); return ret; } /*unsigned powstr(unsigned h2, int h2len, ll ts) const { unsigned ret = 0; REP(i, ts) ret = connect(ret, h2, h2len); return ret; }*/ int LCP(const RollingHash<mod> &b, int l1, int r1, int l2, int r2) { int len = min(r1 - l1, r2 - l2); int low = -1, high = len + 1; while (high - low > 1) { int mid = (low + high) / 2; if (get(l1, l1 + mid) == b.get(l2, l2 + mid)) low = mid; else high = mid; } return (low); } }; using RH = RollingHash<1000000007>; #define issel(i) \ (b[(i + n) % n] - b[(i - 1 + n) % n] - b[(i + 1 + n) % n] >= a[(i + n) % n]) signed main(void) { int n; cin >> n; vector<ll> a(n), b(n); REP(i, n) scanf("%lld", &a[i]); REP(i, n) scanf("%lld", &b[i]); set<int> cand; REP(i, n) { if (issel(i)) cand.insert(i); } ll ans = 0; while (cand.size()) { int cur = *cand.begin(); cand.erase(cand.begin()); ans += b[cur] / (b[(cur - 1 + n) % n] + b[(cur + 1 + n) % n]); b[cur] %= b[(cur - 1 + n) % n] + b[(cur + 1 + n) % n]; if (issel(cur - 1)) cand.insert((cur - 1 + n) % n); if (issel(cur + 1)) cand.insert((cur + 1 + n) % n); } REP(i, n) if (a[i] != b[i]) { cout << -1 << endl; return 0; } cout << ans << endl; return 0; }
#include <algorithm> #include <array> #include <cmath> #include <complex> #include <cstdio> #include <cstring> #include <functional> #include <iostream> #include <limits.h> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <time.h> #include <unordered_map> #include <unordered_set> #include <vector> #define rep(i, s, n) for (int i = (s); (n) > i; i++) #define REP(i, n) rep(i, 0, n) #define RANGE(x, a, b) (min(a, b) <= (x) && (x) <= max(a, b)) // hei #define DUPLE(a, b, c, d) \ (RANGE(a, c, d) || RANGE(b, c, d) || RANGE(c, a, b) || RANGE(d, a, b)) #define INCLU(a, b, c, d) (RANGE(a, c, d) && (b, c, d)) #define PW(x) ((x) * (x)) #define ALL(x) (x).begin(), (x).end() #define RALL(x) (x).rbegin(), (x).rend() #define MODU 1000000007LL #define bitcheck(a, b) ((a >> b) & 1) #define bitset(a, b) (a |= (1 << b)) #define bitunset(a, b) (a &= ~(1 << b)) #define MP(a, b) make_pair((a), (b)) #define Manh(a, b) (abs((a).first-(b).first) + abs((a).second - ((b).second)) #define pritnf printf #define scnaf scanf #define itn int #define PI 3.141592653589 #define izryt bool using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val) { std::fill((T *)array, (T *)(array + N), val); } pll Dir[4] = {{-1, 0}, {0, 1}, {1, 0}, {0, -1}}; //[a, b) #define Getsum(ar, a, b) (ar[b] - ar[a]) #define INF 10000000000000000LL #define chmax(a, b) a = max(a, b) #define chmin(a, b) a = min(a, b) struct Edge { int from, to; ll w; bool operator<(const Edge &rhs) const { return MP(w, MP(from, to)) < MP(rhs.w, MP(rhs.from, rhs.to)); } }; int mod_pow(int x, int n, int mod) { ll res = 1; while (n > 0) { if (n & 1) res = res * x % mod; x = 1LL * x * x % mod; n >>= 1; } return res; } typedef vector<vector<Edge>> Graph; template <unsigned mod> struct RollingHash { vector<unsigned> hashed, power; unsigned base = 10007; inline unsigned mul(unsigned a, unsigned b) const { return (1LL * a * b) % mod; } RollingHash(const string &s) { int sz = (int)s.size(); hashed.assign(sz + 1, 0); power.assign(sz + 1, 0); power[0] = 1; for (int i = 0; i < sz; i++) { power[i + 1] = mul(power[i], base); hashed[i + 1] = mul(hashed[i], base) + s[i]; if (hashed[i + 1] >= mod) hashed[i + 1] -= mod; } } unsigned get(int l, int r) const { unsigned ret = hashed[r] + mod - mul(hashed[l], power[r - l]); if (ret >= mod) ret -= mod; return ret; } unsigned connect(unsigned h1, unsigned h2, ll h2len) const { unsigned ret = mul(h1, mod_pow(base, h2len, mod)) + h2; if (ret >= mod) ret -= mod; return ret; } unsigned powstr(unsigned h2, int h2len, ll ts) const { if (ts == 0) return 0; unsigned han = powstr(h2, h2len, ts / 2); unsigned ret = connect(han, han, h2len * (ts / 2)); if (ts % 2) ret = connect(ret, h2, h2len); return ret; } /*unsigned powstr(unsigned h2, int h2len, ll ts) const { unsigned ret = 0; REP(i, ts) ret = connect(ret, h2, h2len); return ret; }*/ int LCP(const RollingHash<mod> &b, int l1, int r1, int l2, int r2) { int len = min(r1 - l1, r2 - l2); int low = -1, high = len + 1; while (high - low > 1) { int mid = (low + high) / 2; if (get(l1, l1 + mid) == b.get(l2, l2 + mid)) low = mid; else high = mid; } return (low); } }; using RH = RollingHash<1000000007>; #define issel(i) \ (b[(i + n) % n] - b[(i - 1 + n) % n] - b[(i + 1 + n) % n] >= a[(i + n) % n]) signed main(void) { int n; cin >> n; vector<ll> a(n), b(n); REP(i, n) scanf("%lld", &a[i]); REP(i, n) scanf("%lld", &b[i]); set<int> cand; REP(i, n) { if (issel(i)) cand.insert(i); } ll ans = 0; while (cand.size()) { int cur = *cand.begin(); cand.erase(cand.begin()); ll sum = b[(cur - 1 + n) % n] + b[(cur + 1 + n) % n]; ll t = (b[cur] - a[cur]) / sum; ans += t; b[cur] -= t * sum; if (issel(cur - 1)) cand.insert((cur - 1 + n) % n); if (issel(cur + 1)) cand.insert((cur + 1 + n) % n); } REP(i, n) if (a[i] != b[i]) { cout << -1 << endl; return 0; } cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <algorithm> #include <cctype> #include <cmath> #include <cstring> //memset(dp,0,sizeof(dp)) #include <functional> #include <iomanip> #include <iostream> #include <locale> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <tuple> #include <vector> #define ll long long #define rep(i, n) for (int i = 0; i < (n); i++) #define rrep(i, n) for (int i = n - 1; i >= 0; i--) #define fi first #define se second #define pb push_back #define ALL(a) (a).begin(), (a).end() using namespace std; template <typename T1, typename T2> inline void chmin(T1 &a, T2 b) { if (a > b) a = b; } template <typename T1, typename T2> inline void chmax(T1 &a, T2 b) { if (a < b) a = b; } typedef pair<int, int> P; typedef pair<long long, long long> Pll; #define fout(num) cout << fixed << setprecision(20) << (num) << endl // s[i]=tolower(s[i]); islower(s[i]); cout << tolower(s[i])はバグ // vector<vector<ll>> dp(n,vector<ll>(n)) // exist x map o set const ll MOD = 1e9 + 7; signed main() { ios::sync_with_stdio(false); std::cin.tie(nullptr); int n; cin >> n; vector<int> a(n), b(n); priority_queue<P> pq; rep(i, n) cin >> a[i]; rep(i, n) { cin >> b[i]; if (a[i] != b[i]) pq.push({b[i], i}); } ll ans = 0; while (!pq.empty()) { P d = pq.top(); pq.pop(); int del = b[d.se] - a[d.se]; if (del % (b[(d.se + 1) % n] + b[(d.se - 1 + n) % n]) == 0) { ans += del / (b[(d.se + 1) % n] + b[(d.se - 1 + n) % n]); b[d.se] = a[d.se]; continue; } int cnt = b[d.se] / (b[(d.se + 1) % n] + b[(d.se - 1 + n) % n]); b[d.se] -= cnt * (b[(d.se + 1) % n] + b[(d.se - 1 + n) % n]); if (a[d.se] < b[d.se]) pq.push({b[d.se], d.se}); if (a[d.se] > b[d.se]) { cout << -1 << endl; return 0; } ans += cnt; } cout << ans << endl; }
#include <algorithm> #include <cctype> #include <cmath> #include <cstring> //memset(dp,0,sizeof(dp)) #include <functional> #include <iomanip> #include <iostream> #include <locale> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <tuple> #include <vector> #define ll long long #define rep(i, n) for (int i = 0; i < (n); i++) #define rrep(i, n) for (int i = n - 1; i >= 0; i--) #define fi first #define se second #define pb push_back #define ALL(a) (a).begin(), (a).end() using namespace std; template <typename T1, typename T2> inline void chmin(T1 &a, T2 b) { if (a > b) a = b; } template <typename T1, typename T2> inline void chmax(T1 &a, T2 b) { if (a < b) a = b; } typedef pair<int, int> P; typedef pair<long long, long long> Pll; #define fout(num) cout << fixed << setprecision(20) << (num) << endl // s[i]=tolower(s[i]); islower(s[i]); cout << tolower(s[i])はバグ // vector<vector<ll>> dp(n,vector<ll>(n)) // exist x map o set const ll MOD = 1e9 + 7; signed main() { ios::sync_with_stdio(false); std::cin.tie(nullptr); int n; cin >> n; vector<int> a(n), b(n); priority_queue<P> pq; rep(i, n) cin >> a[i]; rep(i, n) { cin >> b[i]; if (a[i] != b[i]) pq.push({b[i], i}); } ll ans = 0; while (!pq.empty()) { P d = pq.top(); pq.pop(); int del = b[d.se] - a[d.se]; if (del % (b[(d.se + 1) % n] + b[(d.se - 1 + n) % n]) == 0) { ans += del / (b[(d.se + 1) % n] + b[(d.se - 1 + n) % n]); b[d.se] = a[d.se]; continue; } if (b[d.se] < (b[(d.se + 1) % n] + b[(d.se - 1 + n) % n])) { cout << -1 << endl; return 0; } int cnt = b[d.se] / (b[(d.se + 1) % n] + b[(d.se - 1 + n) % n]); b[d.se] -= cnt * (b[(d.se + 1) % n] + b[(d.se - 1 + n) % n]); if (a[d.se] < b[d.se]) pq.push({b[d.se], d.se}); if (a[d.se] > b[d.se]) { cout << -1 << endl; return 0; } ans += cnt; } cout << ans << endl; }
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TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> P; const int INF = INT_MAX; const ll LINF = LLONG_MAX; const ll MOD = 1e9 + 7; template <class T> ostream &operator<<(ostream &o, const vector<T> &v) { o << "["; for (int i = 0; i < (int)v.size(); i++) o << (i > 0 ? ", " : "") << v[i]; o << "]"; return o; } template <class T, class U> ostream &operator<<(ostream &o, const pair<T, U> &p) { o << "{" << p.first << ", " << p.second << "}"; return o; } template <class T, class U> ostream &operator<<(ostream &o, const map<T, U> &obj) { o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o; } int main() { cin.tie(0); ios::sync_with_stdio(false); int n; ll ans = 0; cin >> n; vector<int> a(n), b(n); priority_queue<P> que; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) { cin >> b[i]; if (a[i] != b[i]) que.push(P(b[i], i)); } while (!que.empty()) { int v, m, l, r, s, k; tie(v, m) = que.top(); que.pop(); l = (m - 1 + n) % n; r = (m + 1) % n; s = b[l] + b[r]; k = (b[m] - a[m]) / s; if (b[m] <= s) continue; b[m] -= k * s; if (b[m] != a[m] && a[m] < s) que.push(P(b[m], m)); ans += k; } for (int i = 0; i < n; i++) { if (a[i] != b[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> P; const int INF = INT_MAX; const ll LINF = LLONG_MAX; const ll MOD = 1e9 + 7; template <class T> ostream &operator<<(ostream &o, const vector<T> &v) { o << "["; for (int i = 0; i < (int)v.size(); i++) o << (i > 0 ? ", " : "") << v[i]; o << "]"; return o; } template <class T, class U> ostream &operator<<(ostream &o, const pair<T, U> &p) { o << "{" << p.first << ", " << p.second << "}"; return o; } template <class T, class U> ostream &operator<<(ostream &o, const map<T, U> &obj) { o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o; } int main() { cin.tie(0); ios::sync_with_stdio(false); int n; ll ans = 0; cin >> n; vector<int> a(n), b(n); priority_queue<P> que; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) { cin >> b[i]; if (a[i] != b[i]) que.push(P(b[i], i)); } while (!que.empty()) { int v, m, l, r, s, k; tie(v, m) = que.top(); que.pop(); l = (m - 1 + n) % n; r = (m + 1) % n; s = b[l] + b[r]; k = (b[m] - a[m]) / s; if (b[m] <= s) continue; b[m] -= k * s; if (b[m] > a[m] && k != 0) que.push(P(b[m], m)); ans += k; } for (int i = 0; i < n; i++) { if (a[i] != b[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> P; const int INF = INT_MAX; const ll LINF = LLONG_MAX; const ll MOD = 1e9 + 7; template <class T> ostream &operator<<(ostream &o, const vector<T> &v) { o << "["; for (int i = 0; i < (int)v.size(); i++) o << (i > 0 ? ", " : "") << v[i]; o << "]"; return o; } template <class T, class U> ostream &operator<<(ostream &o, const pair<T, U> &p) { o << "{" << p.first << ", " << p.second << "}"; return o; } template <class T, class U> ostream &operator<<(ostream &o, const map<T, U> &obj) { o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o; } int main() { cin.tie(0); ios::sync_with_stdio(false); int n; ll ans = 0; cin >> n; vector<int> a(n), b(n); priority_queue<P> que; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) { cin >> b[i]; if (a[i] != b[i]) que.push(P(b[i], i)); } while (!que.empty()) { int v, m, l, r, s, k; tie(v, m) = que.top(); que.pop(); l = m == 0 ? n - 1 : m - 1; r = m == n - 1 ? 0 : m + 1; s = b[l] + b[r]; k = a[m] >= s ? (b[m] - a[m]) / s : b[m] / s; if (b[m] == a[m]) continue; if (b[m] <= s) continue; b[m] -= k * s; if (b[m] != a[m]) que.push(P(b[m], m)); ans += k; } for (int i = 0; i < n; i++) { if (a[i] != b[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> P; const int INF = INT_MAX; const ll LINF = LLONG_MAX; const ll MOD = 1e9 + 7; template <class T> ostream &operator<<(ostream &o, const vector<T> &v) { o << "["; for (int i = 0; i < (int)v.size(); i++) o << (i > 0 ? ", " : "") << v[i]; o << "]"; return o; } template <class T, class U> ostream &operator<<(ostream &o, const pair<T, U> &p) { o << "{" << p.first << ", " << p.second << "}"; return o; } template <class T, class U> ostream &operator<<(ostream &o, const map<T, U> &obj) { o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o; } int main() { cin.tie(0); ios::sync_with_stdio(false); int n; ll ans = 0; cin >> n; vector<int> a(n), b(n); priority_queue<P> que; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) { cin >> b[i]; if (a[i] != b[i]) que.push(P(b[i], i)); } while (!que.empty()) { int v, m, l, r, s, k; tie(v, m) = que.top(); que.pop(); l = m == 0 ? n - 1 : m - 1; r = m == n - 1 ? 0 : m + 1; s = b[l] + b[r]; k = a[m] >= s ? (b[m] - a[m]) / s : b[m] / s; if (b[m] == a[m]) continue; if (b[m] <= s) continue; b[m] -= k * s; if (b[m] != a[m] && a[m] < s) que.push(P(b[m], m)); ans += k; } for (int i = 0; i < n; i++) { if (a[i] != b[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; return 0; }
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TLE
p02941
C++
Time Limit Exceeded
// #define _GLIBCXX_DEBUG // for STL debug (optional) #include <algorithm> #include <bitset> #include <cassert> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstring> #include <ctime> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <limits> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; using ll = long long int; using int64 = long long int; template <typename T> void chmax(T &a, T b) { a = max(a, b); } template <typename T> void chmin(T &a, T b) { a = min(a, b); } template <typename T> void chadd(T &a, T b) { a = a + b; } int dx[] = {0, 0, 1, -1}; int dy[] = {1, -1, 0, 0}; const ll INF = 1001001001001001LL; const ll MOD = 1000000007LL; int main() { int N; cin >> N; vector<int> A(N), B(N); for (int i = 0; i < N; i++) { cin >> A[i]; } for (int i = 0; i < N; i++) { cin >> B[i]; } ll ans = 0; queue<int> que; for (int i = 0; i < N; i++) { int v1 = B[(i + N - 1) % N]; int v2 = B[i]; int v3 = B[(i + 1) % N]; if (v1 < v2 and v2 > v3 and v2 > A[i]) que.emplace(i); } while (que.size()) { int k = que.front(); que.pop(); ll ub, lb; { ll v1 = B[(k + N - 1) % N]; ll v3 = B[(k + 1) % N]; ub = 1LL * (B[k] + v1 + v3 - 1) / (v1 + v3) + 10; lb = 0; } while (ub - lb > 1) { ll mid = (ub + lb) / 2; ll v1 = B[(k + N - 1) % N]; ll v2 = B[k]; ll v3 = B[(k + 1) % N]; v2 -= mid * (v1 + v3); bool cond = (v2 >= A[k]); if (cond) lb = mid; else ub = mid; } ll cnt = lb; { int v1 = B[(k + N - 1) % N]; int v3 = B[(k + 1) % N]; ans += cnt; B[k] -= cnt * (v1 + v3); } for (int d = -1; d <= 1; d++) { int i = (k + d + N) % N; int v1 = B[(i + N - 1) % N]; int v2 = B[i]; int v3 = B[(i + 1) % N]; // fprintf(stderr, "v1 = %d, v2 = %d, v3 = %d\n", v1, v2, v3); if (v1 < v2 and v2 > v3 and v2 > A[i] and v1 + v3 < B[i]) { que.emplace(i); } } } bool ok = true; for (int i = 0; i < N; i++) ok &= (A[i] == B[i]); cout << (ok ? ans : -1) << endl; return 0; }
// #define _GLIBCXX_DEBUG // for STL debug (optional) #include <algorithm> #include <bitset> #include <cassert> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstring> #include <ctime> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <limits> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; using ll = long long int; using int64 = long long int; template <typename T> void chmax(T &a, T b) { a = max(a, b); } template <typename T> void chmin(T &a, T b) { a = min(a, b); } template <typename T> void chadd(T &a, T b) { a = a + b; } int dx[] = {0, 0, 1, -1}; int dy[] = {1, -1, 0, 0}; const ll INF = 1001001001001001LL; const ll MOD = 1000000007LL; int main() { int N; cin >> N; vector<int> A(N), B(N); for (int i = 0; i < N; i++) { cin >> A[i]; } for (int i = 0; i < N; i++) { cin >> B[i]; } ll ans = 0; queue<int> que; for (int i = 0; i < N; i++) { int v1 = B[(i + N - 1) % N]; int v2 = B[i]; int v3 = B[(i + 1) % N]; if (v1 < v2 and v2 > v3 and v2 > A[i]) que.emplace(i); } while (que.size()) { int k = que.front(); que.pop(); ll ub, lb; { ll v1 = B[(k + N - 1) % N]; ll v3 = B[(k + 1) % N]; ub = 1LL * (B[k] + v1 + v3 - 1) / (v1 + v3) + 10; lb = 0; } while (ub - lb > 1) { ll mid = (ub + lb) / 2; ll v1 = B[(k + N - 1) % N]; ll v2 = B[k]; ll v3 = B[(k + 1) % N]; v2 -= mid * (v1 + v3); bool cond = (v2 >= A[k]); if (cond) lb = mid; else ub = mid; } ll cnt = lb; { int v1 = B[(k + N - 1) % N]; int v3 = B[(k + 1) % N]; ans += cnt; B[k] -= cnt * (v1 + v3); } for (int d = -1; d <= 1; d++) { int i = (k + d + N) % N; int v1 = B[(i + N - 1) % N]; int v2 = B[i]; int v3 = B[(i + 1) % N]; // fprintf(stderr, "v1 = %d, v2 = %d, v3 = %d\n", v1, v2, v3); if (cnt > 0 and v1 < v2 and v2 > v3 and v2 > A[i] and v1 + v3 < B[i]) { que.emplace(i); } } } bool ok = true; for (int i = 0; i < N; i++) ok &= (A[i] == B[i]); cout << (ok ? ans : -1) << endl; return 0; }
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TLE
p02941
C++
Time Limit Exceeded
/* #pragma GCC optimize("O2") #pragma GCC optimize("unroll-loops") #pragma GCC target("avx,avx2,sse,sse2,fma,tune=native") //*/ #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> pii; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const ll maxn = 3e5; const ll mod = 1e9 + 7; const ld PI = acos((ld)-1); #define int ll #define pb push_back #define endl '\n' #define dokme(x) return (cout << x, 0); #define migmig \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define ms(x, y) memset(x, y, sizeof x); #define file_init \ freopen("input.txt", "r+", stdin); \ freopen("output.txt", "w+", stdout); ll pw(ll a, ll b, ll md = mod) { ll res = 1; while (b) { if (b & 1) { res = (a * res) % md; } a = (a * a) % md; b >>= 1; } return (res); } int n; int a[maxn]; int b[maxn]; set<pii> st; int32_t main() { migmig cin >> n; for (int i = 0; i < n; i++) cin >> b[i]; for (int i = 0; i < n; i++) cin >> a[i], st.insert({a[i], i}); int cnt = 0; int ans = 0; while (cnt != n) { int mx = (*st.rbegin()).second; st.erase((*st.rbegin())); if (a[mx] == b[mx]) { cnt++; continue; } if (a[mx] < (a[(mx - 1 + n) % n] + a[(mx + 1) % n])) dokme(-1); if (b[mx] >= (a[(mx - 1 + n) % n] + a[(mx + 1) % n])) { a[mx] -= b[mx]; ans += a[mx] / (a[(mx - 1 + n) % n] + a[(mx + 1) % n]); a[mx] %= (a[(mx - 1 + n) % n] + a[(mx + 1) % n]); a[mx] += b[mx]; } else { ans += a[mx] / (a[(mx - 1 + n) % n] + a[(mx + 1) % n]); a[mx] %= (a[(mx - 1 + n) % n] + a[(mx + 1) % n]); } st.insert({a[mx], mx}); } cout << ans; return (0); }
/* #pragma GCC optimize("O2") #pragma GCC optimize("unroll-loops") #pragma GCC target("avx,avx2,sse,sse2,fma,tune=native") //*/ #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> pii; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const ll maxn = 3e5; const ll mod = 1e9 + 7; const ld PI = acos((ld)-1); #define int ll #define pb push_back #define endl '\n' #define dokme(x) return (cout << x, 0); #define migmig \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define ms(x, y) memset(x, y, sizeof x); #define file_init \ freopen("input.txt", "r+", stdin); \ freopen("output.txt", "w+", stdout); ll pw(ll a, ll b, ll md = mod) { ll res = 1; while (b) { if (b & 1) { res = (a * res) % md; } a = (a * a) % md; b >>= 1; } return (res); } int n; int a[maxn]; int b[maxn]; set<pii> st; int32_t main() { migmig cin >> n; for (int i = 0; i < n; i++) cin >> b[i]; for (int i = 0; i < n; i++) cin >> a[i], st.insert({a[i], i}); int cnt = 0; int ans = 0; while (cnt != n) { int mx = (*st.rbegin()).second; st.erase((*st.rbegin())); if (a[mx] == b[mx]) { cnt++; continue; } if (a[mx] < (a[(mx - 1 + n) % n] + a[(mx + 1) % n])) dokme(-1); if (b[mx] >= (a[(mx - 1 + n) % n] + a[(mx + 1) % n])) { a[mx] -= b[mx]; if (a[mx] < (a[(mx - 1 + n) % n] + a[(mx + 1) % n])) dokme(-1); ans += a[mx] / (a[(mx - 1 + n) % n] + a[(mx + 1) % n]); a[mx] %= (a[(mx - 1 + n) % n] + a[(mx + 1) % n]); a[mx] += b[mx]; } else { ans += a[mx] / (a[(mx - 1 + n) % n] + a[(mx + 1) % n]); a[mx] %= (a[(mx - 1 + n) % n] + a[(mx + 1) % n]); } st.insert({a[mx], mx}); } cout << ans; return (0); }
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TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define int long long using namespace std; const int INF = 1e10; const int MOD = 1e9 + 7; #define dump(x) cout << #x << " = " << (x) << endl; #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define FORR(i, a, b) for (int i = (a); i <= (b); ++i) #define pb push_back #define all(v) (v).begin(), (v).end() #define P pair<int, int> #define V vector<int> #define M map<int, int> #define itn int #define tin int #define tni int bool dbg = false; int N, A[200010], B[200010]; int ans; bool search() { bool flag = true; FOR(i, 0, N) { if (A[i] != B[i]) { flag = false; } } return flag; } void solve() { priority_queue<P> que; // set<P> S; FOR(i, 0, N) { if (A[i] != B[i]) { // S.insert(make_pair(B[i], i)); que.push(make_pair(B[i], i)); } } // while (!S.empty()) { while (!que.empty()) { // auto it = S.end(); auto x = que.top(); que.pop(); // it--; // S.erase(it); // int t = (*it).second; int t = x.second; int &b = B[t]; int &a = B[(t + N - 1) % N]; int &c = B[(t + 1) % N]; if (b > a + c) { int n = b - A[t]; n = n / (a + c); ans += n; b -= n * (a + c); if (b != A[t]) { // S.insert(make_pair(B[t], t)); que.push(make_pair(B[t], t)); } } else { cout << -1 << endl; return; } } cout << ans << endl; } signed main() { cin.tie(nullptr); ios::sync_with_stdio(false); cin >> N; FOR(i, 0, N) cin >> A[i]; FOR(i, 0, N) cin >> B[i]; solve(); return 0; }
#include <bits/stdc++.h> #define int long long using namespace std; const int INF = 1e10; const int MOD = 1e9 + 7; #define dump(x) cout << #x << " = " << (x) << endl; #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define FORR(i, a, b) for (int i = (a); i <= (b); ++i) #define pb push_back #define all(v) (v).begin(), (v).end() #define P pair<int, int> #define V vector<int> #define M map<int, int> #define itn int #define tin int #define tni int bool dbg = false; int N, A[200010], B[200010]; int ans; bool search() { bool flag = true; FOR(i, 0, N) { if (A[i] != B[i]) { flag = false; } } return flag; } void solve() { priority_queue<P> que; // set<P> S; FOR(i, 0, N) { if (A[i] != B[i]) { // S.insert(make_pair(B[i], i)); que.push(make_pair(B[i], i)); } } // while (!S.empty()) { while (!que.empty()) { // auto it = S.end(); auto x = que.top(); que.pop(); // it--; // S.erase(it); // int t = (*it).second; int t = x.second; int &b = B[t]; int &a = B[(t + N - 1) % N]; int &c = B[(t + 1) % N]; if (b > a + c) { int n = b - A[t]; n = n / (a + c); if (n == 0) { cout << -1 << endl; return; } ans += n; b -= n * (a + c); if (b != A[t]) { // S.insert(make_pair(B[t], t)); que.push(make_pair(B[t], t)); } } else { cout << -1 << endl; return; } } cout << ans << endl; } signed main() { cin.tie(nullptr); ios::sync_with_stdio(false); cin >> N; FOR(i, 0, N) cin >> A[i]; FOR(i, 0, N) cin >> B[i]; solve(); return 0; }
insert
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TLE
p02941
C++
Time Limit Exceeded
#include <algorithm> #include <iostream> #include <limits.h> #include <queue> #include <string> #include <vector> #define rep(i, n) (int i = 0; i < (int)(n); i++) using namespace std; int main() { int n; cin >> n; vector<long long> a(n), b(n); for rep(i, n) cin >> b[i]; for rep(i, n) cin >> a[i]; vector<bool> ju(n, true); priority_queue<pair<long long, int>> da; long long ans = 0; for rep(i, n) { da.push(make_pair(a[i], i)); ju[i] = bool(a[i] == b[i]); } while (!da.empty()) { int x = da.top().second; da.pop(); if (!ju[x]) { long long y = a[(x + 1) % n] + a[(x - 1 + n) % n]; if ((a[x] - b[x]) % y == 0) { ans += (a[x] - b[x]) / y; a[x] = b[x]; ju[x] = true; } else { ans += a[x] / y; a[x] %= y; if (a[x] < b[x]) { ans = -1; break; } da.push(make_pair(a[x], x)); } } } cout << ans << endl; }
#include <algorithm> #include <iostream> #include <limits.h> #include <queue> #include <string> #include <vector> #define rep(i, n) (int i = 0; i < (int)(n); i++) using namespace std; int main() { int n; cin >> n; vector<long long> a(n), b(n); for rep(i, n) cin >> b[i]; for rep(i, n) cin >> a[i]; vector<bool> ju(n, true); priority_queue<pair<long long, int>> da; long long ans = 0; for rep(i, n) { da.push(make_pair(a[i], i)); ju[i] = bool(a[i] == b[i]); } while (!da.empty()) { int x = da.top().second; da.pop(); if (!ju[x]) { long long y = a[(x + 1) % n] + a[(x - 1 + n) % n]; if (a[x] <= y) { ans = -1; break; } if ((a[x] - b[x]) % y == 0) { ans += (a[x] - b[x]) / y; a[x] = b[x]; ju[x] = true; } else { ans += a[x] / y; a[x] %= y; if (a[x] < b[x]) { ans = -1; break; } da.push(make_pair(a[x], x)); } } } cout << ans << endl; }
insert
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34
TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int main(void) { long n; cin >> n; vector<long> a(n), b(n); for (auto &x : a) cin >> x; for (auto &x : b) cin >> x; long c = 0, r = 0; for (int i = 0; i < n; i++) if (a[i] == b[i]) c++; set<long> s; for (int i = 0; i < n; i++) if (a[i] != b[i] && b[i] > b[(i - 1 + n) % n] + b[(i + 1) % n]) s.insert(i); while (!s.empty()) { long i = *s.begin(); s.erase(i); long ai = (i - 1 + n) % n, bi = i % n, ci = (i + 1) % n; if (a[i] == b[i]) continue; if (b[bi] <= b[ai] + b[ci]) continue; r += (b[i] - a[i]) / (b[ai] + b[ci]); b[i] = a[i] + ((b[i] - a[i]) % (b[ai] + b[ci])); if (b[ai] > b[bi] + b[(ai - 1 + n) % n]) s.insert(ai); if (b[ci] > b[bi] + b[(ci + 1 + n) % n]) s.insert(ci); if (a[i] == b[i]) { c++; continue; } if (b[bi] > b[ai] + b[ci]) s.insert(bi); } cout << (c == n ? r : -1) << endl; }
#include <bits/stdc++.h> using namespace std; int main(void) { long n; cin >> n; vector<long> a(n), b(n); for (auto &x : a) cin >> x; for (auto &x : b) cin >> x; long c = 0, r = 0; for (int i = 0; i < n; i++) if (a[i] == b[i]) c++; set<long> s; for (int i = 0; i < n; i++) if (a[i] != b[i] && b[i] > b[(i - 1 + n) % n] + b[(i + 1) % n]) s.insert(i); while (!s.empty()) { long i = *s.begin(); s.erase(i); long ai = (i - 1 + n) % n, bi = i % n, ci = (i + 1) % n; if (a[i] == b[i]) continue; if (b[bi] <= b[ai] + b[ci]) continue; if ((b[i] - a[i]) / (b[ai] + b[ci]) == 0) continue; r += (b[i] - a[i]) / (b[ai] + b[ci]); b[i] = a[i] + ((b[i] - a[i]) % (b[ai] + b[ci])); if (b[ai] > b[bi] + b[(ai - 1 + n) % n]) s.insert(ai); if (b[ci] > b[bi] + b[(ci + 1 + n) % n]) s.insert(ci); if (a[i] == b[i]) { c++; continue; } if (b[bi] > b[ai] + b[ci]) s.insert(bi); } cout << (c == n ? r : -1) << endl; }
insert
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int(i) = 0; (i) < (n); (i)++) #define repp(i, n, m) for (int(i) = (n); (i) < (m); (i)++) #define repn(i, n) for (int(i) = 1; (i) <= (n); (i)++) #define repr(i, n) for (int(i) = (n - 1); (i) >= 0; (i)--) #define all(x) (x).begin(), (x).end() #define lint long long #define ulint unsigned long long #define ldou long double #define fi first #define se second #define setpre(x) std::cout << fixed << setprecision(x) #define ii(x) \ int x; \ cin >> (x) #define ii2(x, y) \ int x, y; \ cin >> (x) >> (y) #define ii3(x, y, z) \ int x, y, z; \ cin >> (x) >> (y) >> (z) #define out(x) cout << (x) << endl #define outs(x) cout << (x) << " " #define yn(x) cout << ((x) ? ("Yes") : ("No")) << endl #define YN(x) cout << ((x) ? ("YES") : ("NO")) << endl #define bit_c(x) __builtin_popcountll(x) inline void logger() { std::cout << " [LOGGER] " << endl; } template <typename A, typename... B> void logger(const A &a, const B &...b) { cout << a << " , "; logger(b...); } typedef pair<lint, lint> P; const lint MOD = 1000000007; const lint MOD9 = 998244353; const lint INF = MOD * MOD; const int MAX = 5000 * 5000 + 5; /* ...o(^-^)o... */ int n; int id(int i) { if (i < 0) return n + i; if (i >= n) return i - n; return i; } int main() { cin >> n; vector<lint> a(n), b(n); rep(i, n) cin >> a[i]; rep(i, n) cin >> b[i]; queue<int> que; rep(i, n) { if (b[i] > a[i] && b[i] > b[id(i - 1)] + b[id(i + 1)]) { que.push(i); } } lint res = 0; while (!que.empty()) { int i = que.front(); que.pop(); while (b[i] > a[i] && b[i] > b[id(i + 1)] + b[id(i - 1)]) { res++; b[i] -= b[id(i + 1)] + b[id(i - 1)]; } if (b[id(i - 1)] > a[id(i - 1)] && b[id(i - 1)] > b[i] + b[id(i - 2)]) que.push(id(i - 1)); if (b[id(i + 1)] > a[id(i + 1)] && b[id(i + 1)] > b[i] + b[id(i + 2)]) que.push(id(i + 1)); } bool isok = true; rep(i, n) { if (a[i] != b[i]) isok = false; } if (!isok) { out(-1); return 0; } out(res); }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int(i) = 0; (i) < (n); (i)++) #define repp(i, n, m) for (int(i) = (n); (i) < (m); (i)++) #define repn(i, n) for (int(i) = 1; (i) <= (n); (i)++) #define repr(i, n) for (int(i) = (n - 1); (i) >= 0; (i)--) #define all(x) (x).begin(), (x).end() #define lint long long #define ulint unsigned long long #define ldou long double #define fi first #define se second #define setpre(x) std::cout << fixed << setprecision(x) #define ii(x) \ int x; \ cin >> (x) #define ii2(x, y) \ int x, y; \ cin >> (x) >> (y) #define ii3(x, y, z) \ int x, y, z; \ cin >> (x) >> (y) >> (z) #define out(x) cout << (x) << endl #define outs(x) cout << (x) << " " #define yn(x) cout << ((x) ? ("Yes") : ("No")) << endl #define YN(x) cout << ((x) ? ("YES") : ("NO")) << endl #define bit_c(x) __builtin_popcountll(x) inline void logger() { std::cout << " [LOGGER] " << endl; } template <typename A, typename... B> void logger(const A &a, const B &...b) { cout << a << " , "; logger(b...); } typedef pair<lint, lint> P; const lint MOD = 1000000007; const lint MOD9 = 998244353; const lint INF = MOD * MOD; const int MAX = 5000 * 5000 + 5; /* ...o(^-^)o... */ int n; int id(int i) { if (i < 0) return n + i; if (i >= n) return i - n; return i; } int main() { cin >> n; vector<lint> a(n), b(n); rep(i, n) cin >> a[i]; rep(i, n) cin >> b[i]; queue<int> que; rep(i, n) { if (b[i] > a[i] && b[i] > b[id(i - 1)] + b[id(i + 1)]) { que.push(i); } } lint res = 0; while (!que.empty()) { int i = que.front(); que.pop(); lint sur = min(b[i] - a[i], b[i] - b[id(i + 1)] - b[id(i - 1)]) - 1; lint c = sur / (b[id(i + 1)] + b[id(i - 1)]) + 1; res += c; b[i] -= c * (b[id(i + 1)] + b[id(i - 1)]); if (b[id(i - 1)] > a[id(i - 1)] && b[id(i - 1)] > b[i] + b[id(i - 2)]) que.push(id(i - 1)); if (b[id(i + 1)] > a[id(i + 1)] && b[id(i + 1)] > b[i] + b[id(i + 2)]) que.push(id(i + 1)); } bool isok = true; rep(i, n) { if (a[i] != b[i]) isok = false; } if (!isok) { out(-1); return 0; } out(res); }
replace
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p02941
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define Rep(i, n) for (int i = 0; i < (int)(n); i++) #define For(i, n1, n2) for (int i = (int)(n1); i < (int)(n2); i++) #define REP(i, n) for (ll i = 0; i < (ll)(n); i++) #define RREP(i, n) for (ll i = ((ll)(n)-1); i >= 0; i--) #define FOR(i, n1, n2) for (ll i = (ll)(n1); i < (ll)(n2); i++) #define RFOR(i, n1, n2) for (ll i = ((ll)(n1)-1); i >= (ll)(n2); i--) #define all(a) (a).begin(), (a).end() #define SORT(a) sort((a).begin(), (a).end()) #define oorret 0 #define oor(x) \ [&]() { \ try { \ x; \ } catch (const out_of_range &oor) { \ return oorret; \ } \ return x; \ }() typedef long long ll; typedef unsigned long long ull; typedef pair<ll, ll> P; template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { if (a > b) { a = b; return 1; } return 0; } template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { if (a <= b) { a = b; return 1; } return 0; } template <class Type> struct is_vector : std::false_type {}; template <class ValueType, class Alloc> struct is_vector<std::vector<ValueType, Alloc>> : std::true_type {}; template <typename T> inline ostream &operator<<(ostream &out, const vector<T> &v) { if (v.empty()) return out; constexpr bool is_vector_v = is_vector<T>::value; if (is_vector_v) for (auto itr = v.begin(); itr != v.end();) out << (*itr), out << ((++itr != v.end()) ? "\n" : ""); else for (auto itr = v.begin(); itr != v.end();) out << (*itr), out << ((++itr != v.end()) ? " " : ""); return out; } inline void put() {} template <class T> inline void put(const T &first) { std::cout << first; printf("\n"); } template <class T, class... N> inline void put(const T &first, const N &...rest) { std::cout << first; printf(" "); put(rest...); } inline void putn() {} template <class T, class... N> inline void putn(const T &first, const N &...rest) { std::cout << first; printf("\n"); putn(rest...); } int main() { int n; cin >> n; vector<ll> a(n), b(n); REP(i, n) { cin >> a[i]; } REP(i, n) { cin >> b[i]; } ll res = 0; priority_queue<int> q; Rep(i, n) { if (i == 0) { if (b[i] > b[i + 1] + b[n - 1]) { q.push(i); } } else if (i == n - 1) { if (b[i] > b[0] + b[i - 1]) { q.push(i); } } else { if (b[i] > b[i + 1] + b[i - 1]) { q.push(i); } } } while (!q.empty()) { int i = q.top(); q.pop(); if (i == 0) { if (b[i] > b[i + 1] + b[n - 1]) { ll temp = b[i + 1] + b[n - 1]; ll t = (b[i] - a[i]) / temp; if (t > 0) { res += t; b[i] -= t * temp; q.push(n - 1); q.push(i + 1); } } } else if (i == n - 1) { if (b[i] > b[0] + b[i - 1]) { ll temp = b[0] + b[i - 1]; ll t = (b[i] - a[i]) / temp; if (t > 0) { res += t; b[i] -= t * temp; q.push(i - 1); q.push(0); } } } else { if (b[i] > b[i + 1] + b[i - 1]) { ll temp = b[i + 1] + b[i - 1]; ll t = (b[i] - a[i]) / temp; if (t > 0) { res += t; b[i] -= t * temp; q.push(i - 1); q.push(i + 1); } } } } bool flag = true; REP(i, n) { if (a[i] != b[i]) { flag = false; } } if (flag) { put(res); } else { a.at(1000000000); put(-1); } return 0; }
#include <bits/stdc++.h> using namespace std; #define Rep(i, n) for (int i = 0; i < (int)(n); i++) #define For(i, n1, n2) for (int i = (int)(n1); i < (int)(n2); i++) #define REP(i, n) for (ll i = 0; i < (ll)(n); i++) #define RREP(i, n) for (ll i = ((ll)(n)-1); i >= 0; i--) #define FOR(i, n1, n2) for (ll i = (ll)(n1); i < (ll)(n2); i++) #define RFOR(i, n1, n2) for (ll i = ((ll)(n1)-1); i >= (ll)(n2); i--) #define all(a) (a).begin(), (a).end() #define SORT(a) sort((a).begin(), (a).end()) #define oorret 0 #define oor(x) \ [&]() { \ try { \ x; \ } catch (const out_of_range &oor) { \ return oorret; \ } \ return x; \ }() typedef long long ll; typedef unsigned long long ull; typedef pair<ll, ll> P; template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { if (a > b) { a = b; return 1; } return 0; } template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { if (a <= b) { a = b; return 1; } return 0; } template <class Type> struct is_vector : std::false_type {}; template <class ValueType, class Alloc> struct is_vector<std::vector<ValueType, Alloc>> : std::true_type {}; template <typename T> inline ostream &operator<<(ostream &out, const vector<T> &v) { if (v.empty()) return out; constexpr bool is_vector_v = is_vector<T>::value; if (is_vector_v) for (auto itr = v.begin(); itr != v.end();) out << (*itr), out << ((++itr != v.end()) ? "\n" : ""); else for (auto itr = v.begin(); itr != v.end();) out << (*itr), out << ((++itr != v.end()) ? " " : ""); return out; } inline void put() {} template <class T> inline void put(const T &first) { std::cout << first; printf("\n"); } template <class T, class... N> inline void put(const T &first, const N &...rest) { std::cout << first; printf(" "); put(rest...); } inline void putn() {} template <class T, class... N> inline void putn(const T &first, const N &...rest) { std::cout << first; printf("\n"); putn(rest...); } int main() { int n; cin >> n; vector<ll> a(n), b(n); REP(i, n) { cin >> a[i]; } REP(i, n) { cin >> b[i]; } ll res = 0; priority_queue<int> q; Rep(i, n) { if (i == 0) { if (b[i] > b[i + 1] + b[n - 1]) { q.push(i); } } else if (i == n - 1) { if (b[i] > b[0] + b[i - 1]) { q.push(i); } } else { if (b[i] > b[i + 1] + b[i - 1]) { q.push(i); } } } while (!q.empty()) { int i = q.top(); q.pop(); if (i == 0) { if (b[i] > b[i + 1] + b[n - 1]) { ll temp = b[i + 1] + b[n - 1]; ll t = (b[i] - a[i]) / temp; if (t > 0) { res += t; b[i] -= t * temp; q.push(n - 1); q.push(i + 1); } } } else if (i == n - 1) { if (b[i] > b[0] + b[i - 1]) { ll temp = b[0] + b[i - 1]; ll t = (b[i] - a[i]) / temp; if (t > 0) { res += t; b[i] -= t * temp; q.push(i - 1); q.push(0); } } } else { if (b[i] > b[i + 1] + b[i - 1]) { ll temp = b[i + 1] + b[i - 1]; ll t = (b[i] - a[i]) / temp; if (t > 0) { res += t; b[i] -= t * temp; q.push(i - 1); q.push(i + 1); } } } } bool flag = true; REP(i, n) { if (a[i] != b[i]) { flag = false; } } if (flag) { put(res); } else { // at(1000000000); put(-1); } return 0; }
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0
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define INF 1LL << 62 #define inf 1000000007 ll a[200010], b[200010]; priority_queue<pair<ll, ll>> que; int main() { ll n, cnt = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { ll x; cin >> x; b[i] = x; if (a[i] != b[i]) { que.push(make_pair(x, i)); cnt++; } } ll ans = 0; while (cnt != 0) { pair<ll, ll> kari = que.top(); que.pop(); ll nowval = kari.first; ll nowiti = kari.second; ll l = nowiti - 1, r = nowiti + 1; if (l < 0) { l = n - 1; } if (r == n) { r = 0; } ll lval = b[l], rval = b[r]; ll herasu = (nowval - a[nowiti]) / (lval + rval); ans += herasu; nowval -= herasu * (lval + rval); b[nowiti] = nowval; if (nowval < a[nowiti]) { cout << "-1"; return 0; } if (nowval == a[nowiti]) { cnt--; } else { que.push(make_pair(nowval, nowiti)); } } cout << ans; // your code goes here return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define INF 1LL << 62 #define inf 1000000007 ll a[200010], b[200010]; priority_queue<pair<ll, ll>> que; int main() { ll n, cnt = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { ll x; cin >> x; b[i] = x; if (a[i] != b[i]) { que.push(make_pair(x, i)); cnt++; } } ll ans = 0; while (cnt != 0) { pair<ll, ll> kari = que.top(); que.pop(); ll nowval = kari.first; ll nowiti = kari.second; ll l = nowiti - 1, r = nowiti + 1; if (l < 0) { l = n - 1; } if (r == n) { r = 0; } ll lval = b[l], rval = b[r]; ans++; nowval -= (lval + rval); ll herasu = (nowval - a[nowiti]) / (lval + rval); ans += herasu; nowval -= herasu * (lval + rval); b[nowiti] = nowval; if (nowval < a[nowiti]) { cout << "-1"; return 0; } if (nowval == a[nowiti]) { cnt--; } else { que.push(make_pair(nowval, nowiti)); } } cout << ans; // your code goes here return 0; }
insert
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TLE
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define INF 1LL << 62 #define inf 1000000007 ll a[200010], b[200010]; int main() { ll n; cin >> n; for (ll i = 0; i < n; i++) { cin >> a[i]; } priority_queue<pair<ll, ll>> ch; for (ll i = 0; i < n; i++) { cin >> b[i]; ch.push(make_pair(b[i], i)); } ll ans = 0; while (!ch.empty()) { ll val = ch.top().first; ll i = ch.top().second; ch.pop(); ll l = i - 1; if (l < 0) { l = n - 1; } ll r = i + 1; if (r == n) { r = 0; } if (val < a[i]) { cout << -1; return 0; } if (val == a[i]) { continue; } val = val - b[l] - b[r]; ans++; ch.push(make_pair(val, i)); b[i] = val; } cout << ans; // your code goes here return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define INF 1LL << 62 #define inf 1000000007 ll a[200010], b[200010]; int main() { ll n; cin >> n; for (ll i = 0; i < n; i++) { cin >> a[i]; } priority_queue<pair<ll, ll>> ch; for (ll i = 0; i < n; i++) { cin >> b[i]; ch.push(make_pair(b[i], i)); } ll ans = 0; while (!ch.empty()) { ll val = ch.top().first; ll i = ch.top().second; ch.pop(); ll l = i - 1; if (l < 0) { l = n - 1; } ll r = i + 1; if (r == n) { r = 0; } if (val < a[i]) { cout << -1; return 0; } if (val == a[i]) { continue; } ll m = ((val)-a[i]) / (b[l] + b[r]); if (m == 0) { cout << -1; return 0; } ans += m; val = val - m * (b[l] + b[r]); ch.push(make_pair(val, i)); b[i] = val; } cout << ans; // your code goes here return 0; }
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p02941
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; struct node { int x, y; bool operator<(const node s) const { return x > s.x; } } b[100010]; int a[100010], c[100010]; int main() { int n; cin >> n; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 1; i <= n; i++) { cin >> b[i].x; c[i - 1] = b[i].x; b[i].y = i - 1; } sort(b + 1, b + n + 1); long long ans = 0; bool fla = 1; while (fla) { fla = 0; for (int i = 1; i <= n; i++) { int pl = b[i].y; int L = c[(pl + 1) % n], R = c[(pl + n - 1) % n]; if (c[pl] - a[pl] >= L + R) fla = 1; ans += (c[pl] - a[pl]) / (L + R); c[pl] -= (c[pl] - a[pl]) / (L + R) * (L + R); } } for (int i = 0; i < n; i++) if (a[i] != c[i]) return puts("-1"), 0; cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; struct node { int x, y; bool operator<(const node s) const { return x > s.x; } } b[1000010]; int a[1000010], c[1000010]; int main() { int n; cin >> n; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 1; i <= n; i++) { cin >> b[i].x; c[i - 1] = b[i].x; b[i].y = i - 1; } sort(b + 1, b + n + 1); long long ans = 0; bool fla = 1; while (fla) { fla = 0; for (int i = 1; i <= n; i++) { int pl = b[i].y; int L = c[(pl + 1) % n], R = c[(pl + n - 1) % n]; if (c[pl] - a[pl] >= L + R) fla = 1; ans += (c[pl] - a[pl]) / (L + R); c[pl] -= (c[pl] - a[pl]) / (L + R) * (L + R); } } for (int i = 0; i < n; i++) if (a[i] != c[i]) return puts("-1"), 0; cout << ans; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define ll long long #define f first #define s second #define pb push_back using namespace std; ll n, raod, a[300005], b[300005]; ll kk(ll x) { if (x == 1) return b[n] + b[2]; if (x == n) return b[1] + b[n - 1]; return b[x - 1] + b[x + 1]; } set<pair<ll, ll>> st; set<pair<ll, ll>>::iterator it; int main() { cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; } for (int i = 1; i <= n; i++) { cin >> b[i]; st.insert(make_pair(b[i], (ll)i)); } while (st.size()) { it = st.end(); it--; pair<ll, ll> p = (*it); if (p.f == a[p.s]) { st.erase(it); continue; } if (p.f < a[p.s]) { cout << "-1"; return 0; } st.erase(it); b[p.s] -= kk(p.s); raod++; if (b[p.s] < a[p.s]) { cout << "-1"; return 0; } st.insert(make_pair(b[p.s], p.s)); } cout << raod << endl; return 0; }
#include <bits/stdc++.h> #define ll long long #define f first #define s second #define pb push_back using namespace std; ll n, raod, a[300005], b[300005]; ll kk(ll x) { if (x == 1) return b[n] + b[2]; if (x == n) return b[1] + b[n - 1]; return b[x - 1] + b[x + 1]; } set<pair<ll, ll>> st; set<pair<ll, ll>>::iterator it; int main() { cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; } for (int i = 1; i <= n; i++) { cin >> b[i]; st.insert(make_pair(b[i], (ll)i)); } while (st.size()) { it = st.end(); it--; pair<ll, ll> p = (*it); if (p.f == a[p.s]) { st.erase(it); continue; } if (p.f < a[p.s]) { cout << "-1"; return 0; } st.erase(it); ll ff = 0; if (p.s == 1) ff = max(b[n], b[2]); if (p.s == n) ff = max(b[n - 1], b[1]); ff = max(b[p.s - 1], b[p.s + 1]); ff = max(ff, a[p.s]); ll g = (b[p.s] - ff) / kk(p.s); g = max(g, 1LL); b[p.s] -= g * kk(p.s); raod += g; if (b[p.s] < a[p.s]) { cout << "-1"; return 0; } st.insert(make_pair(b[p.s], p.s)); } cout << raod << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int const N = 2e5 + 5; int const MAX = 105; int n, a[N], d[N]; int main() { ios_base::sync_with_stdio(0); cin >> n; for (int i = 1; i <= n; i++) { cin >> d[i]; } for (int i = 1; i <= n; i++) { cin >> a[i]; } priority_queue<pair<int, int>> que; for (int i = 1; i <= n; i++) { que.push(make_pair(a[i], i)); } a[0] = a[n]; a[n + 1] = a[1]; long long ans = 0; while (!que.empty()) { pair<int, int> p = que.top(); que.pop(); int val = p.first; int id = p.second; int pre = a[id - 1]; int nxt = a[id + 1]; if (a[id] == d[id]) { continue; } if (a[id] < pre + nxt) { continue; } ans += (a[id] - d[id]) / (pre + nxt); a[id] = (a[id] - d[id]) % (pre + nxt) + d[id]; a[0] = a[n]; a[n + 1] = a[1]; que.push(make_pair(a[id], id)); } for (int i = 1; i <= n; i++) { if (a[i] != d[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int const N = 2e5 + 5; int const MAX = 105; int n, a[N], d[N]; int main() { ios_base::sync_with_stdio(0); cin >> n; for (int i = 1; i <= n; i++) { cin >> d[i]; } for (int i = 1; i <= n; i++) { cin >> a[i]; } priority_queue<pair<int, int>> que; for (int i = 1; i <= n; i++) { que.push(make_pair(a[i], i)); } a[0] = a[n]; a[n + 1] = a[1]; long long ans = 0; while (!que.empty()) { pair<int, int> p = que.top(); que.pop(); int val = p.first; int id = p.second; int pre = a[id - 1]; int nxt = a[id + 1]; if (a[id] == d[id]) { continue; } if (a[id] - d[id] < pre + nxt) { continue; } ans += (a[id] - d[id]) / (pre + nxt); a[id] = (a[id] - d[id]) % (pre + nxt) + d[id]; a[0] = a[n]; a[n + 1] = a[1]; que.push(make_pair(a[id], id)); } for (int i = 1; i <= n; i++) { if (a[i] != d[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; }
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p02941
C++
Time Limit Exceeded
#include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cctype> #include <cfenv> #include <chrono> #include <climits> #include <cmath> #include <complex> #include <cstdint> #include <cstdio> #include <cstring> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <limits.h> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string> #include <time.h> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> // #include <bits/stdc++.h> using namespace std; using LL = long long; using ULL = unsigned long long; long long MOD = 1000000000 + 7; constexpr long long INF = numeric_limits<LL>::max() / 2; const double PI = acos(-1); #define fir first #define sec second #define thi third #define debug(x) cerr << #x << ": " << x << '\n' typedef pair<LL, LL> Pll; typedef pair<LL, pair<LL, LL>> Ppll; typedef pair<LL, pair<LL, bitset<100001>>> Pbll; typedef pair<LL, pair<LL, vector<LL>>> Pvll; typedef pair<LL, LL> Vec2; struct Tll { LL first, second, third; }; struct Fll { LL first, second, third, fourd; }; typedef pair<LL, Tll> Ptll; #define rep(i, rept) for (LL i = 0; i < rept; i++) #define Rrep(i, mf) for (LL i = mf - 1; i >= 0; i--) void YN(bool f) { if (f) cout << "YES" << endl; else cout << "NO" << endl; } void yn(bool f) { if (f) cout << "Yes" << endl; else cout << "No" << endl; } struct Edge { LL to, cost; }; struct edge { LL from, to, cost; }; vector<vector<LL>> g; vector<edge> edges; vector<Pll> v; map<Pll, Pll> ma; set<LL> st; LL h, w, n, m, k, t, s, p, q, last, cnt, sum, ans, a[210000], b[210000]; string str, ss; bool f; char c; int di[4][2] = {{0, 1}, {1, 0}, {0, -1}, {-1, 0}}; int main() { cin >> n; rep(i, n) { cin >> a[i]; } rep(i, n) { cin >> b[i]; } for (int j = 0; j < 30; j++) rep(i, n) { while (a[i] + b[(i - 1 + n) % n] + b[(i + 1) % n] <= b[i]) { b[i] -= b[(i - 1 + n) % n] + b[(i + 1) % n]; ans++; } } rep(i, n) { if (a[i] != b[i]) f = 1; } if (f) cout << -1 << endl; else cout << ans << endl; return 0; }
#include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cctype> #include <cfenv> #include <chrono> #include <climits> #include <cmath> #include <complex> #include <cstdint> #include <cstdio> #include <cstring> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <limits.h> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string> #include <time.h> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> // #include <bits/stdc++.h> using namespace std; using LL = long long; using ULL = unsigned long long; long long MOD = 1000000000 + 7; constexpr long long INF = numeric_limits<LL>::max() / 2; const double PI = acos(-1); #define fir first #define sec second #define thi third #define debug(x) cerr << #x << ": " << x << '\n' typedef pair<LL, LL> Pll; typedef pair<LL, pair<LL, LL>> Ppll; typedef pair<LL, pair<LL, bitset<100001>>> Pbll; typedef pair<LL, pair<LL, vector<LL>>> Pvll; typedef pair<LL, LL> Vec2; struct Tll { LL first, second, third; }; struct Fll { LL first, second, third, fourd; }; typedef pair<LL, Tll> Ptll; #define rep(i, rept) for (LL i = 0; i < rept; i++) #define Rrep(i, mf) for (LL i = mf - 1; i >= 0; i--) void YN(bool f) { if (f) cout << "YES" << endl; else cout << "NO" << endl; } void yn(bool f) { if (f) cout << "Yes" << endl; else cout << "No" << endl; } struct Edge { LL to, cost; }; struct edge { LL from, to, cost; }; vector<vector<LL>> g; vector<edge> edges; vector<Pll> v; map<Pll, Pll> ma; set<LL> st; LL h, w, n, m, k, t, s, p, q, last, cnt, sum, ans, a[210000], b[210000]; string str, ss; bool f; char c; int di[4][2] = {{0, 1}, {1, 0}, {0, -1}, {-1, 0}}; int main() { cin >> n; rep(i, n) { cin >> a[i]; } rep(i, n) { cin >> b[i]; } for (int j = 0; j < 30; j++) rep(i, n) { if (b[i] - a[i] > 0) { cnt = (b[i] - a[i]) / (b[(i - 1 + n) % n] + b[(i + 1) % n]); } else cnt = 0; b[i] -= (b[(i - 1 + n) % n] + b[(i + 1) % n]) * cnt; ans += cnt; } rep(i, n) { if (a[i] != b[i]) f = 1; } if (f) cout << -1 << endl; else cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define FOR(i, o, n) for (long long i = o; i < n; i++) #define oneforall \ ios::sync_with_stdio(false); \ cin.tie(0); #define all(v) (v).begin(), (v).end() #define ini(...) \ int __VA_ARGS__; \ in(__VA_ARGS__) #define inl(...) \ long long __VA_ARGS__; \ in(__VA_ARGS__) #define ins(...) \ string __VA_ARGS__; \ in(__VA_ARGS__) #define int long long const long long inf = 1e18; void in() {} template <typename T, class... U> void in(T &t, U &...u) { cin >> t; in(u...); } void out() { cout << "\n"; } template <typename T, class... U> void out(const T &t, const U &...u) { cout << t; if (sizeof...(u)) cout << " "; out(u...); } typedef vector<int> vi; typedef vector<long long> vl; typedef long long ll; typedef vector<pair<long, long>> vpll; typedef vector<pair<int, int>> vpii; #define FORR(x, arr) for (auto &x : arr) #define ZERO(a) memset(a, 0, sizeof(a)) // 3111111111111111111111111111111 void solve() { ini(n); int morty[n]; int morty1[n]; int rick = 0; FOR(i, 0, n) in(morty[i]); priority_queue<pair<int, int>> tmp; FOR(i, 0, n) { in(morty1[i]); if (morty1[i] > morty[i]) { tmp.push(make_pair(morty1[i], i)); } } while (tmp.size()) { pair<int, int> tmp1; tmp1 = tmp.top(); tmp.pop(); if (tmp1.first > morty1[tmp1.second - 1 == -1 ? (n - 1) : tmp1.second - 1] + morty1[tmp1.second + 1 == n ? 0 : tmp1.second + 1]) { rick += 1; tmp1.first -= (morty1[tmp1.second - 1 == -1 ? (n - 1) : tmp1.second - 1] + morty1[tmp1.second + 1 == n ? 0 : tmp1.second + 1]); morty1[tmp1.second] = tmp1.first; if (morty1[tmp1.second] < morty[tmp1.second]) return out(-1); if (morty1[tmp1.second] > morty[tmp1.second]) tmp.push(tmp1); } else { return out(-1); } } out(rick); } int32_t main() { oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define FOR(i, o, n) for (long long i = o; i < n; i++) #define oneforall \ ios::sync_with_stdio(false); \ cin.tie(0); #define all(v) (v).begin(), (v).end() #define ini(...) \ int __VA_ARGS__; \ in(__VA_ARGS__) #define inl(...) \ long long __VA_ARGS__; \ in(__VA_ARGS__) #define ins(...) \ string __VA_ARGS__; \ in(__VA_ARGS__) #define int long long const long long inf = 1e18; void in() {} template <typename T, class... U> void in(T &t, U &...u) { cin >> t; in(u...); } void out() { cout << "\n"; } template <typename T, class... U> void out(const T &t, const U &...u) { cout << t; if (sizeof...(u)) cout << " "; out(u...); } typedef vector<int> vi; typedef vector<long long> vl; typedef long long ll; typedef vector<pair<long, long>> vpll; typedef vector<pair<int, int>> vpii; #define FORR(x, arr) for (auto &x : arr) #define ZERO(a) memset(a, 0, sizeof(a)) // 3111111111111111111111111111111 void solve() { ini(n); int morty[n]; int morty1[n]; int rick = 0; FOR(i, 0, n) in(morty[i]); priority_queue<pair<int, int>> tmp; FOR(i, 0, n) { in(morty1[i]); if (morty1[i] > morty[i]) { tmp.push(make_pair(morty1[i], i)); } } while (tmp.size()) { pair<int, int> tmp1; tmp1 = tmp.top(); tmp.pop(); if (tmp1.first > morty1[tmp1.second - 1 == -1 ? (n - 1) : tmp1.second - 1] + morty1[tmp1.second + 1 == n ? 0 : tmp1.second + 1]) { if ((morty1[tmp1.second] - morty[tmp1.second]) % (morty1[tmp1.second - 1 == -1 ? (n - 1) : tmp1.second - 1] + morty1[tmp1.second + 1 == n ? 0 : tmp1.second + 1]) == 0) { rick += (morty1[tmp1.second] - morty[tmp1.second]) / (morty1[tmp1.second - 1 == -1 ? (n - 1) : tmp1.second - 1] + morty1[tmp1.second + 1 == n ? 0 : tmp1.second + 1]); morty1[tmp1.second] = morty[tmp1.second]; } else { morty1[tmp1.second] = tmp1.first % (morty1[tmp1.second - 1 == -1 ? (n - 1) : tmp1.second - 1] + morty1[tmp1.second + 1 == n ? 0 : tmp1.second + 1]); rick += tmp1.first / (morty1[tmp1.second - 1 == -1 ? (n - 1) : tmp1.second - 1] + morty1[tmp1.second + 1 == n ? 0 : tmp1.second + 1]); if (morty1[tmp1.second] < morty[tmp1.second]) return out(-1); tmp.push(make_pair(morty1[tmp1.second], tmp1.second)); } } else { return out(-1); } } out(rick); } int32_t main() { oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall solve(); return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cout.precision(12); cout << fixed; int n; cin >> n; vector<int> a(n), b(n); for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { cin >> b[i]; } set<pair<int, int>> s; for (int i = 0; i < n; i++) { s.insert({b[i], i}); } long long ans = 0; while (!s.empty()) { auto p = *s.rbegin(); s.erase(p); int x = p.first; int i = p.second; if (a[i] > b[i]) { cout << -1 << endl; return 0; } if (a[i] == b[i]) { continue; } int i0 = (i + n - 1) % n; int i1 = (i + 1) % n; int once = (b[i0] + b[i1]); int mx = max(b[i0], b[i1]); mx = max(mx, a[i]); int need = b[i] - mx; if (need < 0) { cout << -1 << endl; return 0; } int times = (need + once - 1) / once; ans += times; b[i] -= once * times; s.insert({b[i], i}); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cout.precision(12); cout << fixed; int n; cin >> n; vector<int> a(n), b(n); for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { cin >> b[i]; } set<pair<int, int>> s; for (int i = 0; i < n; i++) { s.insert({b[i], i}); } long long ans = 0; while (!s.empty()) { auto p = *s.rbegin(); s.erase(p); int x = p.first; int i = p.second; if (a[i] > b[i]) { cout << -1 << endl; return 0; } if (a[i] == b[i]) { continue; } int i0 = (i + n - 1) % n; int i1 = (i + 1) % n; int once = (b[i0] + b[i1]); int mx = max(b[i0], b[i1]); mx = max(mx, a[i]); int need = b[i] - mx; if (need < 0) { cout << -1 << endl; return 0; } int times = (need + once - 1) / once; ans += times; b[i] -= once * times; if (b[i] < a[i]) { cout << -1 << endl; return 0; } if (b[i] > a[i]) { s.insert({b[i], i}); } } cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> // #include <boost/multiprecision/cpp_int.hpp> #pragma GCC optimize("O3") #define REP(i, n) for (int i = 0; i < n; i++) #define REPP(i, n) for (int i = 1; i <= n; i++) #define ALL(obj) (obj).begin(), (obj).end() #define EPS (1e-9) #define INF (1e17) #define PI (acos(-1)) // const double PI = acos(-1); // const double EPS = 1e-15; // long long INF=(long long)1E17; #define i_7 (long long)(1e9 + 7) // #define i_7 998'244'353 long mod(long a) { long long c = a % i_7; if (c >= 0) return c; return c + i_7; } long long po(long a, long b) { if (b == 0) { return 1; } long long z = po(a, b / 2); z = mod(z * z); if (b % 2 != 0) { z = mod(a * z); } return z; } using namespace std; // using namespace boost::multiprecision; bool prime_(int n) { if (n == 1) { return false; } else if (n == 2) { return true; } else { for (int i = 2; i <= sqrt(n); i++) { if (n % i == 0) { return false; } } return true; } } long long gcd_(long long a, long long b) { if (a < b) { swap(a, b); } if (a % b == 0) { return b; } else { return gcd_(b, a % b); } } long long lcm_(long long x, long long y) { return (x / gcd_(x, y)) * y; } int main() { int n; cin >> n; int a[n], b[n]; REP(i, n) { cin >> a[i]; } REP(i, n) { cin >> b[i]; } priority_queue<pair<int, int>> q; REP(i, n) { q.push(make_pair(b[i], i)); } long long ans = 0; while (!q.empty()) { int val = q.top().first; int i = q.top().second; q.pop(); if (val == a[i]) { continue; } if (val < a[i]) { cout << -1 << endl; return 0; } int l = i - 1, r = i + 1; if (l < 0) { l = n - 1; } if (r >= n) { r = 0; } long long cnt; cnt = (b[i] - a[i]) / (b[l] + b[r]); ans += cnt; b[i] -= cnt * (b[l] + b[r]); q.push(make_pair(b[i], i)); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> // #include <boost/multiprecision/cpp_int.hpp> #pragma GCC optimize("O3") #define REP(i, n) for (int i = 0; i < n; i++) #define REPP(i, n) for (int i = 1; i <= n; i++) #define ALL(obj) (obj).begin(), (obj).end() #define EPS (1e-9) #define INF (1e17) #define PI (acos(-1)) // const double PI = acos(-1); // const double EPS = 1e-15; // long long INF=(long long)1E17; #define i_7 (long long)(1e9 + 7) // #define i_7 998'244'353 long mod(long a) { long long c = a % i_7; if (c >= 0) return c; return c + i_7; } long long po(long a, long b) { if (b == 0) { return 1; } long long z = po(a, b / 2); z = mod(z * z); if (b % 2 != 0) { z = mod(a * z); } return z; } using namespace std; // using namespace boost::multiprecision; bool prime_(int n) { if (n == 1) { return false; } else if (n == 2) { return true; } else { for (int i = 2; i <= sqrt(n); i++) { if (n % i == 0) { return false; } } return true; } } long long gcd_(long long a, long long b) { if (a < b) { swap(a, b); } if (a % b == 0) { return b; } else { return gcd_(b, a % b); } } long long lcm_(long long x, long long y) { return (x / gcd_(x, y)) * y; } int main() { int n; cin >> n; int a[n], b[n]; REP(i, n) { cin >> a[i]; } REP(i, n) { cin >> b[i]; } priority_queue<pair<int, int>> q; REP(i, n) { q.push(make_pair(b[i], i)); } long long ans = 0; while (!q.empty()) { int val = q.top().first; int i = q.top().second; q.pop(); if (val == a[i]) { continue; } if (val < a[i]) { cout << -1 << endl; return 0; } int l = i - 1, r = i + 1; if (l < 0) { l = n - 1; } if (r >= n) { r = 0; } long long cnt; cnt = (b[i] - a[i]) / (b[l] + b[r]); if (cnt == 0) { cout << -1 << endl; return 0; } ans += cnt; b[i] -= cnt * (b[l] + b[r]); q.push(make_pair(b[i], i)); } cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <algorithm> #include <bits/stdc++.h> #include <cmath> #include <iomanip> #include <iostream> #include <numeric> #include <queue> #include <string> #include <vector> #define rep(i, n) for (int i = 0; i < n; i++) #define dup(x, y) (((x) + (y)-1) / (y)) // dup * y >= x なる最小のdup. using namespace std; typedef long long ll; int main() { ll N; cin >> N; vector<ll> A(N), B(N); rep(i, N) cin >> A[i]; rep(i, N) cin >> B[i]; priority_queue<pair<ll, ll>> task; // <B[i], i>; rep(i, N) { if (A[i] < B[i]) { task.push(make_pair(B[i], i)); } } ll ans = 0; while (task.size() > 0) { ll id = task.top().second; task.pop(); ll s = B[(id + N - 1) % N] + B[(id + 1) % N]; if (B[id] > s) { ll op = (B[id] - A[id]) / s; ans += op; B[id] -= op * s; if (A[id] < B[id]) { task.push(make_pair(B[id], id)); } } else { cout << -1 << endl; return 0; } } cout << ans << endl; return 0; }
#include <algorithm> #include <bits/stdc++.h> #include <cmath> #include <iomanip> #include <iostream> #include <numeric> #include <queue> #include <string> #include <vector> #define rep(i, n) for (int i = 0; i < n; i++) #define dup(x, y) (((x) + (y)-1) / (y)) // dup * y >= x なる最小のdup. using namespace std; typedef long long ll; int main() { ll N; cin >> N; vector<ll> A(N), B(N); rep(i, N) cin >> A[i]; rep(i, N) cin >> B[i]; priority_queue<pair<ll, ll>> task; // <B[i], i>; rep(i, N) { if (A[i] < B[i]) { task.push(make_pair(B[i], i)); } } ll ans = 0; while (task.size() > 0) { ll id = task.top().second; task.pop(); ll s = B[(id + N - 1) % N] + B[(id + 1) % N]; if (B[id] - A[id] >= s) { ll op = (B[id] - A[id]) / s; ans += op; B[id] -= op * s; if (A[id] < B[id]) { task.push(make_pair(B[id], id)); } } else { cout << -1 << endl; return 0; } } cout << ans << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include <queue> #include <stdio.h> using namespace std; long long n; long long a[200000]; long long b[200000]; long long s, t, x, y, z; long long ans; priority_queue<long long> q; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%lld", a + i); s += a[i]; } for (int i = 0; i < n; i++) { scanf("%lld", b + i); t += b[i]; q.push(b[i] * n + i); } while (t > s) { if (q.empty()) break; x = q.top(); x %= n; if (b[x] == a[x]) { q.pop(); continue; } if (b[x] - b[(x + n - 1) % n] - b[(x + 1) % n] <= 0) break; q.pop(); y = b[(x + n - 1) % n] + b[(x + 1) % n]; z = (b[x] - a[x]) / y; b[x] -= z * y; t -= z * y; ans += z; q.push(b[x] * n + x); } y = 1; for (int i = 0; i < n; i++) { if (a[i] != b[i]) y = 0; } if (y) printf("%lld\n", ans); else printf("-1\n"); }
#include <queue> #include <stdio.h> using namespace std; long long n; long long a[200000]; long long b[200000]; long long s, t, x, y, z; long long ans; priority_queue<long long> q; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%lld", a + i); s += a[i]; } for (int i = 0; i < n; i++) { scanf("%lld", b + i); t += b[i]; q.push(b[i] * n + i); } while (t > s) { if (q.empty()) break; x = q.top(); x %= n; if (b[x] == a[x]) { q.pop(); continue; } if (b[x] - b[(x + n - 1) % n] - b[(x + 1) % n] < a[x]) break; q.pop(); y = b[(x + n - 1) % n] + b[(x + 1) % n]; z = (b[x] - a[x]) / y; b[x] -= z * y; t -= z * y; ans += z; q.push(b[x] * n + x); } y = 1; for (int i = 0; i < n; i++) { if (a[i] != b[i]) y = 0; } if (y) printf("%lld\n", ans); else printf("-1\n"); }
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p02941
C++
Runtime Error
#include <algorithm> #include <cassert> #include <chrono> #include <cstring> #include <iostream> #include <random> #include <set> #include <string> using namespace std; typedef long long ll; int main() { int n; cin >> n; vector<int> a(n), b(n); for (int i = 0; i < n; ++i) cin >> a[i]; set<pair<int, int>> s; for (int i = 0; i < n; ++i) { cin >> b[i]; s.insert({b[i], i}); } long long result = 0; for (;;) { if (s.empty()) break; int i = prev(s.end())->second; s.erase(prev(s.end())); int i1 = (i + 1) % n; int i2 = (i + n - 1) % n; int sum = b[i1] + b[i2]; if (b[i] < a[i]) { cout << -1 << endl; return 0; } if (b[i] == a[i]) { continue; } if (b[i] <= sum) { cout << -1 << endl; return 0; } int t = (b[i] - a[i]) / sum; assert(t > 0); result += t; b[i] -= t * sum; s.insert({b[i], i}); } cout << result << endl; return 0; }
#include <algorithm> #include <cassert> #include <chrono> #include <cstring> #include <iostream> #include <random> #include <set> #include <string> using namespace std; typedef long long ll; int main() { int n; cin >> n; vector<int> a(n), b(n); for (int i = 0; i < n; ++i) cin >> a[i]; set<pair<int, int>> s; for (int i = 0; i < n; ++i) { cin >> b[i]; s.insert({b[i], i}); } long long result = 0; for (;;) { if (s.empty()) break; int i = prev(s.end())->second; s.erase(prev(s.end())); int i1 = (i + 1) % n; int i2 = (i + n - 1) % n; int sum = b[i1] + b[i2]; if (b[i] < a[i]) { cout << -1 << endl; return 0; } if (b[i] == a[i]) { continue; } if (b[i] <= sum) { cout << -1 << endl; return 0; } int t = (b[i] - a[i]) / sum; if (t == 0) { cout << -1 << endl; return 0; } result += t; b[i] -= t * sum; s.insert({b[i], i}); } cout << result << endl; return 0; }
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p02941
C++
Time Limit Exceeded
#include "bits/stdc++.h" #define rep(i, n) for (int i = 0; i < n; i++) using namespace std; using ll = long long; int main() { int N; ll ans = 0; cin >> N; vector<int> A(N), B(N); rep(i, N) cin >> A[i]; priority_queue<vector<int>> q; rep(i, N) { cin >> B[i]; q.push({B[i], i}); } while (!q.empty()) { auto t = q.top(); q.pop(); if (t[0] <= A[t[1]]) continue; int d = B[(t[1] - 1 + N) % N] + B[(t[1] + 1) % N]; int r = (t[0] - A[t[1]]) / d; t[0] -= d * r; ans += r; if (t[0] < A[t[1]]) { cout << -1 << endl; return 0; } if (t[0] > A[t[1]]) { q.push({t[0], t[1]}); } B[t[1]] = t[0]; } rep(i, N) { if (A[i] != B[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; /* 9817 1108 6890 4343 8704 0005 4356 1439 0008 2896 1449 2 329 774 440 106 221 113 5 96 86 76 66 56 46 36 26 16 6 1 */ }
#include "bits/stdc++.h" #define rep(i, n) for (int i = 0; i < n; i++) using namespace std; using ll = long long; int main() { int N; ll ans = 0; cin >> N; vector<int> A(N), B(N); rep(i, N) cin >> A[i]; priority_queue<vector<int>> q; rep(i, N) { cin >> B[i]; q.push({B[i], i}); } while (!q.empty()) { auto t = q.top(); q.pop(); if (t[0] <= A[t[1]]) continue; int d = B[(t[1] - 1 + N) % N] + B[(t[1] + 1) % N]; int r = (t[0] - A[t[1]]) / d; t[0] -= d * r; ans += r; if (t[0] < A[t[1]] || r == 0) { cout << -1 << endl; return 0; } if (t[0] > A[t[1]]) { q.push({t[0], t[1]}); } B[t[1]] = t[0]; } rep(i, N) { if (A[i] != B[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; /* 9817 1108 6890 4343 8704 0005 4356 1439 0008 2896 1449 2 329 774 440 106 221 113 5 96 86 76 66 56 46 36 26 16 6 1 */ }
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p02941
C++
Time Limit Exceeded
#include "bits/stdc++.h" #define rep(i, n) for (int i = 0; i < n; i++) using namespace std; using ll = long long; int main() { int N; ll ans = 0; cin >> N; vector<int> A(N), B(N); rep(i, N) cin >> A[i]; priority_queue<vector<int>> q; rep(i, N) { cin >> B[i]; q.push({B[i], i}); } while (!q.empty()) { auto t = q.top(); q.pop(); if (t[0] <= A[t[1]]) continue; int d = B[(t[1] - 1 + N) % N] + B[(t[1] + 1) % N]; int r = (t[0] - max(A[t[1]], d) + d - 1) / d; t[0] -= d * r; ans += r; if (t[0] < A[t[1]]) { cout << -1 << endl; return 0; } if (t[0] > A[t[1]]) { q.push({t[0], t[1]}); } B[t[1]] = t[0]; } rep(i, N) { if (A[i] != B[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; /* 9817 1108 6890 4343 8704 0005 4356 1439 0008 2896 1449 2 329 774 440 106 221 113 5 96 86 76 66 56 46 36 26 16 6 1 */ }
#include "bits/stdc++.h" #define rep(i, n) for (int i = 0; i < n; i++) using namespace std; using ll = long long; int main() { int N; ll ans = 0; cin >> N; vector<int> A(N), B(N); rep(i, N) cin >> A[i]; priority_queue<vector<int>> q; rep(i, N) { cin >> B[i]; q.push({B[i], i}); } while (!q.empty()) { auto t = q.top(); q.pop(); if (t[0] <= A[t[1]]) continue; int d = B[(t[1] - 1 + N) % N] + B[(t[1] + 1) % N]; int r = (t[0] - max(A[t[1]], d) + d - 1) / d; t[0] -= d * r; ans += r; if (t[0] < A[t[1]] || r == 0) { cout << -1 << endl; return 0; } if (t[0] > A[t[1]]) { q.push({t[0], t[1]}); } B[t[1]] = t[0]; } rep(i, N) { if (A[i] != B[i]) { cout << -1 << endl; return 0; } } cout << ans << endl; /* 9817 1108 6890 4343 8704 0005 4356 1439 0008 2896 1449 2 329 774 440 106 221 113 5 96 86 76 66 56 46 36 26 16 6 1 */ }
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p02941
C++
Time Limit Exceeded
#pragma GCC optimize("Ofast") #pragma GCC optimize("no-stack-protector") // #pragma GCC optimize("unroll-loops") #pragma GCC optimize("fast-math") #pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native") #include <algorithm> #include <bitset> #include <cmath> #include <cstdio> #include <cstring> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <random> #include <set> #include <stdio.h> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; template <typename T> void uin(T &a, T b) { if (b < a) { a = b; } } template <typename T> void uax(T &a, T b) { if (b > a) { a = b; } } #define int long long #define ghost signed #define left left228 #define right right228 #define complex complex228 #define count count228 #define sin sin228 #define list list228 const int N = 200 * 1000 + 228; int a[N], b[N]; ghost main() { ios_base::sync_with_stdio(false); cin.tie(0); int n; cin >> n; for (int i = 0; i < n; ++i) cin >> a[i]; for (int i = 0; i < n; ++i) cin >> b[i]; set<pair<int, int>> s; for (int i = 0; i < n; ++i) { if (a[i] != b[i]) { s.insert({b[i], i}); } } int cnt = 0; while (!s.empty()) { pair<int, int> p = *s.rbegin(); s.erase(p); int i = p.second; b[i] -= (b[(i + n - 1) % n] + b[(i + 1) % n]); ++cnt; if (b[i] <= 0) { cout << -1 << '\n'; return 0; } if (a[i] != b[i]) s.insert({b[i], i}); } cout << cnt << '\n'; return 0; } // kek ; // Ого! Кажетсья это $#@!
#pragma GCC optimize("Ofast") #pragma GCC optimize("no-stack-protector") // #pragma GCC optimize("unroll-loops") #pragma GCC optimize("fast-math") #pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native") #include <algorithm> #include <bitset> #include <cmath> #include <cstdio> #include <cstring> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <random> #include <set> #include <stdio.h> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; template <typename T> void uin(T &a, T b) { if (b < a) { a = b; } } template <typename T> void uax(T &a, T b) { if (b > a) { a = b; } } #define int long long #define ghost signed #define left left228 #define right right228 #define complex complex228 #define count count228 #define sin sin228 #define list list228 const int N = 200 * 1000 + 228; int a[N], b[N]; ghost main() { ios_base::sync_with_stdio(false); cin.tie(0); int n; cin >> n; for (int i = 0; i < n; ++i) cin >> a[i]; for (int i = 0; i < n; ++i) cin >> b[i]; set<pair<int, int>> s; for (int i = 0; i < n; ++i) { if (a[i] != b[i]) { s.insert({b[i], i}); } } int cnt = 0; while (!s.empty()) { pair<int, int> p = *s.rbegin(); s.erase(p); int i = p.second; int bn = b[(i + 1) % n]; int bp = b[(i - 1 + n) % n]; int kek = min((b[i] - a[i]) / (bn + bp), (b[i] - max(bn, bp)) / (bn + bp) + 1); b[i] -= (bn + bp) * kek; if (kek == 0) { cout << -1 << '\n'; return 0; } cnt += kek; if (b[i] <= 0) { cout << -1 << '\n'; return 0; } if (a[i] != b[i]) s.insert({b[i], i}); } cout << cnt << '\n'; return 0; } // kek ; // Ого! Кажетсья это $#@!
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p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define ff(i, x, y) for (int i = x; i <= y; i++) #define fs(i, x, y) for (int i = x; i >= y; i--) #define maxn 200005 using namespace std; typedef long long ll; typedef struct node { int id, val; node(int a1, int a2) { id = a1; val = a2; } }; bool operator<(const node &a1, const node &a2) { if (a1.val <= a2.val) return true; return false; } int a[maxn], b[maxn], n; priority_queue<node> p; int main() { scanf("%d", &n); ff(i, 1, n) scanf("%d", &a[i - 1]); ff(i, 1, n) scanf("%d", &b[i - 1]); ff(i, 1, n) { if (a[i - 1] < b[i - 1]) p.push(node(i - 1, b[i - 1])); } int flag = 1; ll ans = 0; while (!p.empty()) { node temp = p.top(); p.pop(); int pos = temp.id, v = temp.val; // printf("%d\n", v); int mod; if (pos == 0) mod = b[n - 1] + b[1]; else if (pos == n - 1) mod = b[0] + b[n - 2]; else mod = b[pos - 1] + b[pos + 1]; if (v <= mod) { flag = 0; break; } v = (b[pos] - a[pos]) % mod; ans += (b[pos] - a[pos]) / mod; b[pos] = a[pos] + v; if (v == 0) ; else p.push(node(pos, b[pos])); } while (!p.empty()) { p.pop(); } if (flag) printf("%lld", ans); else printf("-1"); return 0; }
#include <bits/stdc++.h> #define ff(i, x, y) for (int i = x; i <= y; i++) #define fs(i, x, y) for (int i = x; i >= y; i--) #define maxn 200005 using namespace std; typedef long long ll; typedef struct node { int id, val; node(int a1, int a2) { id = a1; val = a2; } }; bool operator<(const node &a1, const node &a2) { if (a1.val <= a2.val) return true; return false; } int a[maxn], b[maxn], n; priority_queue<node> p; int main() { scanf("%d", &n); ff(i, 1, n) scanf("%d", &a[i - 1]); ff(i, 1, n) scanf("%d", &b[i - 1]); ff(i, 1, n) { if (a[i - 1] < b[i - 1]) p.push(node(i - 1, b[i - 1])); else if (a[i - 1] > b[i - 1]) { printf("-1"); return 0; } } int flag = 1; ll ans = 0; while (!p.empty()) { node temp = p.top(); p.pop(); int pos = temp.id, v = temp.val; // printf("%d\n", v); int mod; if (pos == 0) mod = b[n - 1] + b[1]; else if (pos == n - 1) mod = b[0] + b[n - 2]; else mod = b[pos - 1] + b[pos + 1]; if (v <= mod) { flag = 0; break; } v = (b[pos] - a[pos]) % mod; ans += (b[pos] - a[pos]) / mod; b[pos] = a[pos] + v; if (v == 0) ; else p.push(node(pos, b[pos])); } while (!p.empty()) { p.pop(); } if (flag) printf("%lld", ans); else printf("-1"); return 0; }
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p02941
C++
Runtime Error
// minamoto #include <bits/stdc++.h> #define R register #define fp(i, a, b) for (R int i = (a), I = (b) + 1; i < I; ++i) #define fd(i, a, b) for (R int i = (a), I = (b)-1; i > I; --i) #define go(u) for (int i = head[u], v = e[i].v; i; i = e[i].nx, v = e[i].v) template <class T> inline bool cmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; } template <class T> inline bool cmin(T &a, const T &b) { return a > b ? a = b, 1 : 0; } using namespace std; typedef long long ll; const int N = 5e5 + 5, M = 5e7 + 5; int a[N], b[N], las[N], nxt[N], n; ll res; inline bool ck(R int x) { return b[x] > a[x] && b[x] > b[las[x]] + b[nxt[x]]; } int q[M]; int main() { scanf("%d", &n); fp(i, 1, n) las[i] = i - 1, nxt[i] = i + 1; las[1] = n, nxt[n] = 1; fp(i, 1, n) scanf("%d", &a[i]); fp(i, 1, n) scanf("%d", &b[i]); int h = 1, t = 0, u, k; fp(i, 1, n) if (ck(i)) q[++t] = i; while (h <= t) { u = q[h++]; k = (b[u] - a[u]) / (b[las[u]] + b[nxt[u]]); res += k, b[u] -= k * (b[las[u]] + b[nxt[u]]); // printf("%d %d\n",u,b[u]); if (ck(las[u])) q[++t] = las[u]; if (ck(nxt[u])) q[++t] = nxt[u]; if (ck(u)) q[++t] = u; } fp(i, 1, n) if (a[i] != b[i]) return puts("-1"), 0; return printf("%lld\n", res), 0; }
// minamoto #include <bits/stdc++.h> #define R register #define fp(i, a, b) for (R int i = (a), I = (b) + 1; i < I; ++i) #define fd(i, a, b) for (R int i = (a), I = (b)-1; i > I; --i) #define go(u) for (int i = head[u], v = e[i].v; i; i = e[i].nx, v = e[i].v) template <class T> inline bool cmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; } template <class T> inline bool cmin(T &a, const T &b) { return a > b ? a = b, 1 : 0; } using namespace std; typedef long long ll; const int N = 5e5 + 5, M = 5e7 + 5; int a[N], b[N], las[N], nxt[N], n; ll res; inline bool ck(R int x) { return (b[x] - a[x]) >= b[las[x]] + b[nxt[x]]; } int q[M]; int main() { scanf("%d", &n); fp(i, 1, n) las[i] = i - 1, nxt[i] = i + 1; las[1] = n, nxt[n] = 1; fp(i, 1, n) scanf("%d", &a[i]); fp(i, 1, n) scanf("%d", &b[i]); int h = 1, t = 0, u, k; fp(i, 1, n) if (ck(i)) q[++t] = i; while (h <= t) { u = q[h++]; k = (b[u] - a[u]) / (b[las[u]] + b[nxt[u]]); res += k, b[u] -= k * (b[las[u]] + b[nxt[u]]); // printf("%d %d\n",u,b[u]); if (ck(las[u])) q[++t] = las[u]; if (ck(nxt[u])) q[++t] = nxt[u]; if (ck(u)) q[++t] = u; } fp(i, 1, n) if (a[i] != b[i]) return puts("-1"), 0; return printf("%lld\n", res), 0; }
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18
-11
p02941
C++
Runtime Error
#include <algorithm> #include <complex> #include <fstream> #include <iostream> #include <queue> #include <set> #include <string> #include <vector> using namespace std; typedef long long ll; const int NMAX = 1e5 + 5; int n, a[NMAX], b[NMAX]; ll ans = 0; pair<int, int> p; bool possible = true; priority_queue<pair<int, int>> valeurs; int main() { ios::sync_with_stdio(false); cin >> n; for (int i = 1; i <= n; i++) cin >> a[i]; a[0] = a[n]; a[n + 1] = a[1]; for (int i = 1; i <= n; i++) { cin >> b[i]; if (b[i] != a[i]) valeurs.push(make_pair(b[i], i)); } b[0] = b[n]; b[n + 1] = b[1]; while (!valeurs.empty() && possible) { p = valeurs.top(); valeurs.pop(); int id = p.second; // cout << (int)valeurs.size() << '\n'; // cout << id << ' ' << b[id] << ' '; if (b[id] - (b[id - 1] + b[id + 1]) < a[id]) possible = false; else { int rep = (b[id] - a[id]) / (b[id - 1] + b[id + 1]); ans += rep; b[id] -= (b[id - 1] + b[id + 1]) * rep; if (id == n) b[0] = b[id]; if (id == 1) b[n + 1] = b[id]; if (b[id] != a[id]) valeurs.push(make_pair(b[id], id)); } // cout << b[id] << ' ' << a[id] << '\n'; } /*for(int i=1;i<=n;i++) cout << b[i] << ' '; cout << '\n';*/ if (possible) cout << ans << '\n'; else cout << -1 << '\n'; return 0; }
#include <algorithm> #include <complex> #include <fstream> #include <iostream> #include <queue> #include <set> #include <string> #include <vector> using namespace std; typedef long long ll; const int NMAX = 2 * 1e5 + 5; int n, a[NMAX], b[NMAX]; ll ans = 0; pair<int, int> p; bool possible = true; priority_queue<pair<int, int>> valeurs; int main() { ios::sync_with_stdio(false); cin >> n; for (int i = 1; i <= n; i++) cin >> a[i]; a[0] = a[n]; a[n + 1] = a[1]; for (int i = 1; i <= n; i++) { cin >> b[i]; if (b[i] != a[i]) valeurs.push(make_pair(b[i], i)); } b[0] = b[n]; b[n + 1] = b[1]; while (!valeurs.empty() && possible) { p = valeurs.top(); valeurs.pop(); int id = p.second; // cout << (int)valeurs.size() << '\n'; // cout << id << ' ' << b[id] << ' '; if (b[id] - (b[id - 1] + b[id + 1]) < a[id]) possible = false; else { int rep = (b[id] - a[id]) / (b[id - 1] + b[id + 1]); ans += rep; b[id] -= (b[id - 1] + b[id + 1]) * rep; if (id == n) b[0] = b[id]; if (id == 1) b[n + 1] = b[id]; if (b[id] != a[id]) valeurs.push(make_pair(b[id], id)); } // cout << b[id] << ' ' << a[id] << '\n'; } /*for(int i=1;i<=n;i++) cout << b[i] << ' '; cout << '\n';*/ if (possible) cout << ans << '\n'; else cout << -1 << '\n'; return 0; }
replace
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11
12
0
p02941
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define MOD 1000000007 // #define MOD 998244353 #define INF 1145141919810893364 #define PI 3.141592653589 typedef pair<int, int> PP; typedef long long ll; 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; } #define int ll #define setdouble setprecision #define REP(i, n) for (int i = 0; i < (n); ++i) #define OREP(i, n) for (int i = 1; i <= (n); ++i) #define RREP(i, n) for (int i = (n)-1; i >= 0; --i) #define GOODBYE \ cout << "-1" << endl; \ return 0 #define MM << " " << #define Endl endl signed main() { int N; int A[214514], B[214514]; cin >> N; REP(i, N) { cin >> A[i]; } REP(i, N) { cin >> B[i]; } bool end[214514] = {}; priority_queue<pair<int, int>> P; REP(i, N) { if (A[i] > B[i]) { GOODBYE; } else if (A[i] == B[i]) { end[i] = true; } else { P.push({B[i], i}); } } int Ans = 0; while (!P.empty()) { pair<int, int> t = P.top(); P.pop(); int s = (P.top().first); int j = t.second; int K = (B[(j + 1) % N] + B[(j - 1 + N) % N]); int kai = (int)(1 + (t.first - s) / K); if (end[(j + 1) % N] && end[(j - 1 + N) % N]) { kai = (int)((t.first - A[j]) / K); } t.first -= K * (kai); if (t.first == B[j]) { GOODBYE; } B[j] = t.first; if (A[j] > B[j]) { GOODBYE; } else if (A[j] != B[j]) { P.push({B[j], j}); } else { end[j] = true; } Ans += kai; // REP(i,N){cout << B[i];if(end[i]==true)cout << "x";cout << " ";}cout << // endl; } cout << Ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define MOD 1000000007 // #define MOD 998244353 #define INF 1145141919810893364 #define PI 3.141592653589 typedef pair<int, int> PP; typedef long long ll; 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; } #define int ll #define setdouble setprecision #define REP(i, n) for (int i = 0; i < (n); ++i) #define OREP(i, n) for (int i = 1; i <= (n); ++i) #define RREP(i, n) for (int i = (n)-1; i >= 0; --i) #define GOODBYE \ cout << "-1" << endl; \ return 0 #define MM << " " << #define Endl endl signed main() { int N; int A[214514], B[214514]; cin >> N; REP(i, N) { cin >> A[i]; } REP(i, N) { cin >> B[i]; } bool end[214514] = {}; priority_queue<pair<int, int>> P; REP(i, N) { if (A[i] > B[i]) { GOODBYE; } else if (A[i] == B[i]) { end[i] = true; } else { P.push({B[i], i}); } } int Ans = 0; while (!P.empty()) { pair<int, int> t = P.top(); P.pop(); int s = (P.top().first); int j = t.second; int K = (B[(j + 1) % N] + B[(j - 1 + N) % N]); int kai = (int)((t.first - A[j]) / K); t.first -= K * (kai); if (t.first == B[j]) { GOODBYE; } B[j] = t.first; if (A[j] > B[j]) { GOODBYE; } else if (A[j] != B[j]) { P.push({B[j], j}); } else { end[j] = true; } Ans += kai; // REP(i,N){cout << B[i];if(end[i]==true)cout << "x";cout << " ";}cout << // endl; } cout << Ans << endl; return 0; }
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TLE
p02942
C++
Runtime Error
// ██████╗ ██╗ ██╗██╗ ██████╗ ███████╗ // ██╔══██╗██║ ██║██║ ██╔══██╗██╔════╝ // ██████╔╝██║ ██║██║█████╗██║ ██║█████╗ // ██╔══██╗██║ ██║██║╚════╝██║ ██║██╔══╝ // ██║ ██║╚██████╔╝██║ ██████╔╝███████╗ // ╚═╝ ╚═╝ ╚═════╝ ╚═╝ ╚═════╝ ╚══════╝ #include <bits/stdc++.h> // #pragma GCC target("sse,sse2,sse3,ssse3,sse4") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") using namespace std; #define fst first #define snd second #define mp make_pair // #define mt make_tuple #define pb push_back #define eb emplace_back #define all(v) (v).begin(), (v).end() #define sz(v) ((int)(v).size()) #define sqr(x) ((x) * (x)) typedef long long ll; typedef long double ld; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vi; #define next ajksdslk #define prev aklsfjk mt19937_64 mt_rand(chrono::system_clock::now().time_since_epoch().count()); template <typename T1, typename T2> inline bool upmax(T1 &a, T2 b) { return (a < b ? (a = b, true) : false); } template <typename T1, typename T2> inline bool upmin(T1 &a, T2 b) { return (b < a ? (a = b, true) : false); } const int maxn = (int)3e5 + 100; const int maxlog = 21; const int base = 1e9 + 7; const ld eps = (ld)1e-9; const ld PI = acos(-1.); // const int pp = 41; const int inf = 2e9; const ll llinf = 1e18; vector<int> f[101][101]; int a[101][101]; int b[101][101]; int c[101][101]; bool used[101]; vector<int> g[101]; int mt[101]; bool try_kuhn(int v) { if (used[v]) return false; used[v] = true; for (size_t i = 0; i < g[v].size(); ++i) { int to = g[v][i]; if (mt[to] == -1 || try_kuhn(mt[to])) { mt[to] = v; return true; } } return false; } int main() { // freopen("input.txt", "r", stdin); ios_base::sync_with_stdio(0); cin.tie(nullptr); int n, m; cin >> n >> m; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> a[i][j]; a[i][j]--; f[i][a[i][j] / m].pb(a[i][j]); } } for (int j = 0; j < m; j++) { for (int i = 0; i < n; i++) mt[i] = -1, g[i].clear(); for (int i = 0; i < n; i++) { for (int k = 0; k < n; k++) { if ((int)f[k][i].size()) { g[k].pb(i); } } } for (int i = 0; i < n; i++) { memset(used, 0, sizeof(used)); try_kuhn(i); } for (int i = 0; i < n; i++) { assert(mt[i] != -1); assert(f[i][mt[i]].size()); b[i][j] = f[i][mt[i]].back(); f[i][mt[i]].pop_back(); } } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cout << b[i][j] + 1 << ' '; } cout << endl; } // return 0; for (int i = 0; i < n; i++) { int fnd = 0; for (int j = 0; j < m; j++) { for (int k = 0; k < n; k++) { if (b[k][j] / m == i) { c[i][j] = b[k][j]; fnd++; } } } assert(fnd); } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cout << c[i][j] + 1 << ' '; } cout << endl; } return 0; }
// ██████╗ ██╗ ██╗██╗ ██████╗ ███████╗ // ██╔══██╗██║ ██║██║ ██╔══██╗██╔════╝ // ██████╔╝██║ ██║██║█████╗██║ ██║█████╗ // ██╔══██╗██║ ██║██║╚════╝██║ ██║██╔══╝ // ██║ ██║╚██████╔╝██║ ██████╔╝███████╗ // ╚═╝ ╚═╝ ╚═════╝ ╚═╝ ╚═════╝ ╚══════╝ #include <bits/stdc++.h> // #pragma GCC target("sse,sse2,sse3,ssse3,sse4") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") using namespace std; #define fst first #define snd second #define mp make_pair // #define mt make_tuple #define pb push_back #define eb emplace_back #define all(v) (v).begin(), (v).end() #define sz(v) ((int)(v).size()) #define sqr(x) ((x) * (x)) typedef long long ll; typedef long double ld; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vi; #define next ajksdslk #define prev aklsfjk mt19937_64 mt_rand(chrono::system_clock::now().time_since_epoch().count()); template <typename T1, typename T2> inline bool upmax(T1 &a, T2 b) { return (a < b ? (a = b, true) : false); } template <typename T1, typename T2> inline bool upmin(T1 &a, T2 b) { return (b < a ? (a = b, true) : false); } const int maxn = (int)3e5 + 100; const int maxlog = 21; const int base = 1e9 + 7; const ld eps = (ld)1e-9; const ld PI = acos(-1.); // const int pp = 41; const int inf = 2e9; const ll llinf = 1e18; vector<int> f[101][101]; int a[101][101]; int b[101][101]; int c[101][101]; bool used[101]; vector<int> g[101]; int mt[101]; bool try_kuhn(int v) { if (used[v]) return false; used[v] = true; for (size_t i = 0; i < g[v].size(); ++i) { int to = g[v][i]; if (mt[to] == -1 || try_kuhn(mt[to])) { mt[to] = v; return true; } } return false; } int main() { // freopen("input.txt", "r", stdin); ios_base::sync_with_stdio(0); cin.tie(nullptr); int n, m; cin >> n >> m; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> a[i][j]; a[i][j]--; f[i][a[i][j] / m].pb(a[i][j]); } } for (int j = 0; j < m; j++) { for (int i = 0; i < n; i++) mt[i] = -1, g[i].clear(); for (int i = 0; i < n; i++) { for (int k = 0; k < n; k++) { if ((int)f[k][i].size()) { g[i].pb(k); } } } for (int i = 0; i < n; i++) { memset(used, 0, sizeof(used)); try_kuhn(i); } for (int i = 0; i < n; i++) { assert(mt[i] != -1); assert(f[i][mt[i]].size()); b[i][j] = f[i][mt[i]].back(); f[i][mt[i]].pop_back(); } } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cout << b[i][j] + 1 << ' '; } cout << endl; } // return 0; for (int i = 0; i < n; i++) { int fnd = 0; for (int j = 0; j < m; j++) { for (int k = 0; k < n; k++) { if (b[k][j] / m == i) { c[i][j] = b[k][j]; fnd++; } } } assert(fnd); } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cout << c[i][j] + 1 << ' '; } cout << endl; } return 0; }
replace
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98
97
98
0
p02942
C++
Runtime Error
/*Lucky_Glass*/ #include <algorithm> #include <cstdio> #include <cstring> #include <queue> using namespace std; const int N = 100, inf = (1 << 29); int Rr, Cc, Ps, Pt, Emat[N + 3][N + 3], Edep[N * 3], Eans[N + 3][N + 3]; bool Bb[N + 3][N + 3]; vector<int> Vec[N + 3]; struct GGRAPH { struct GNODE { int to, cap, Vx, Vy; GNODE *nxt, *rev; } Gnod[N * N]; GNODE *Gtop[N * 3], *Gcnt; void Init(int Nn) { Gcnt = Gnod; fill(Gtop, Gtop + 1 + Nn, Gcnt); } void AddEdge(int u, int v, int ca1, int ca2, int Vx, int Vy) { GNODE *p = ++Gcnt, *q = ++Gcnt; *p = (GNODE){v, ca1, Vx, Vy, Gtop[u], q}; Gtop[u] = p; *q = (GNODE){u, ca2, Vx, Vy, Gtop[v], p}; Gtop[v] = q; } } Gflw; GGRAPH::GNODE *Cop[N * 3]; int Aug(int u, int flwin) { if (u == Pt) return flwin; int flwout = 0; for (auto &it = Cop[u]; it; it = it->nxt) { int v = it->to; if (!it->cap || Edep[v] != Edep[u] + 1) continue; int flwv = min(flwin - flwout, it->cap); flwv = Aug(v, flwv); flwout += flwv; it->cap -= flwv; it->rev->cap += flwv; if (flwout == flwin) break; } return flwout; } bool BFS() { for (int i = 1; i <= Rr * 2 + 2; i++) Cop[i] = Gflw.Gtop[i], Edep[i] = inf; queue<int> que; Edep[Ps] = 0; que.push(Ps); while (!que.empty()) { int u = que.front(); que.pop(); for (auto it = Cop[u]; it; it = it->nxt) { int v = it->to; if (!it->cap || Edep[v] != inf) continue; Edep[v] = Edep[u] + 1; if (v == Pt) return true; que.push(v); } } return false; } int Dinic() { int mxflw = 0; while (BFS()) mxflw += Aug(Ps, inf); return mxflw; } int main() { scanf("%d%d", &Rr, &Cc); Ps = 2 * Rr + 1; Pt = 2 * Rr + 2; for (int i = 1; i <= Rr; i++) for (int j = 1; j <= Cc; j++) scanf("%d", &Emat[i][j]); for (int i = 1; i <= Cc; i++) { Gflw.Init(2 * Rr + 2); int Vtot = 0; for (int j = 1; j <= Rr; j++) for (int k = 1; k <= Cc; k++) if (!Bb[j][k]) { Gflw.AddEdge(j, (Emat[j][k] - 1) / Cc + 1 + Rr, 1, 0, j, k); Vtot += 2; } for (int j = 1; j <= Rr; j++) Gflw.AddEdge(Ps, j, 1, 0, 0, 0); for (int j = 1; j <= Rr; j++) Gflw.AddEdge(j + Rr, Pt, 1, 0, 0, 0); int Rs = Dinic(); for (int j = 1; j <= Vtot; j += 2) { auto it = Gflw.Gnod[j]; if (it.cap == 0) { Eans[it.Vx][i] = Emat[it.Vx][it.Vy]; Bb[it.Vx][it.Vy] = true; } } } for (int i = 1; i <= Rr; i++) for (int j = 1; j <= Cc; j++) { printf("%d", Eans[i][j]); Vec[j].push_back(Eans[i][j]); if (j == Cc) printf("\n"); else printf(" "); } for (int i = 1; i <= Cc; i++) { sort(Vec[i].begin(), Vec[i].end()); for (int j = 1; j <= Rr; j++) Eans[j][i] = Vec[i][j - 1]; } for (int i = 1; i <= Rr; i++) for (int j = 1; j <= Cc; j++) { printf("%d", Eans[i][j]); if (j == Cc) printf("\n"); else printf(" "); } return 0; }
/*Lucky_Glass*/ #include <algorithm> #include <cstdio> #include <cstring> #include <queue> using namespace std; const int N = 100, inf = (1 << 29); int Rr, Cc, Ps, Pt, Emat[N + 3][N + 3], Edep[N * 3], Eans[N + 3][N + 3]; bool Bb[N + 3][N + 3]; vector<int> Vec[N + 3]; struct GGRAPH { struct GNODE { int to, cap, Vx, Vy; GNODE *nxt, *rev; } Gnod[(N * N + N * 2) * 3]; GNODE *Gtop[N * 3], *Gcnt; void Init(int Nn) { Gcnt = Gnod; fill(Gtop, Gtop + 1 + Nn, Gcnt); } void AddEdge(int u, int v, int ca1, int ca2, int Vx, int Vy) { GNODE *p = ++Gcnt, *q = ++Gcnt; *p = (GNODE){v, ca1, Vx, Vy, Gtop[u], q}; Gtop[u] = p; *q = (GNODE){u, ca2, Vx, Vy, Gtop[v], p}; Gtop[v] = q; } } Gflw; GGRAPH::GNODE *Cop[N * 3]; int Aug(int u, int flwin) { if (u == Pt) return flwin; int flwout = 0; for (auto &it = Cop[u]; it; it = it->nxt) { int v = it->to; if (!it->cap || Edep[v] != Edep[u] + 1) continue; int flwv = min(flwin - flwout, it->cap); flwv = Aug(v, flwv); flwout += flwv; it->cap -= flwv; it->rev->cap += flwv; if (flwout == flwin) break; } return flwout; } bool BFS() { for (int i = 1; i <= Rr * 2 + 2; i++) Cop[i] = Gflw.Gtop[i], Edep[i] = inf; queue<int> que; Edep[Ps] = 0; que.push(Ps); while (!que.empty()) { int u = que.front(); que.pop(); for (auto it = Cop[u]; it; it = it->nxt) { int v = it->to; if (!it->cap || Edep[v] != inf) continue; Edep[v] = Edep[u] + 1; if (v == Pt) return true; que.push(v); } } return false; } int Dinic() { int mxflw = 0; while (BFS()) mxflw += Aug(Ps, inf); return mxflw; } int main() { scanf("%d%d", &Rr, &Cc); Ps = 2 * Rr + 1; Pt = 2 * Rr + 2; for (int i = 1; i <= Rr; i++) for (int j = 1; j <= Cc; j++) scanf("%d", &Emat[i][j]); for (int i = 1; i <= Cc; i++) { Gflw.Init(2 * Rr + 2); int Vtot = 0; for (int j = 1; j <= Rr; j++) for (int k = 1; k <= Cc; k++) if (!Bb[j][k]) { Gflw.AddEdge(j, (Emat[j][k] - 1) / Cc + 1 + Rr, 1, 0, j, k); Vtot += 2; } for (int j = 1; j <= Rr; j++) Gflw.AddEdge(Ps, j, 1, 0, 0, 0); for (int j = 1; j <= Rr; j++) Gflw.AddEdge(j + Rr, Pt, 1, 0, 0, 0); int Rs = Dinic(); for (int j = 1; j <= Vtot; j += 2) { auto it = Gflw.Gnod[j]; if (it.cap == 0) { Eans[it.Vx][i] = Emat[it.Vx][it.Vy]; Bb[it.Vx][it.Vy] = true; } } } for (int i = 1; i <= Rr; i++) for (int j = 1; j <= Cc; j++) { printf("%d", Eans[i][j]); Vec[j].push_back(Eans[i][j]); if (j == Cc) printf("\n"); else printf(" "); } for (int i = 1; i <= Cc; i++) { sort(Vec[i].begin(), Vec[i].end()); for (int j = 1; j <= Rr; j++) Eans[j][i] = Vec[i][j - 1]; } for (int i = 1; i <= Rr; i++) for (int j = 1; j <= Cc; j++) { printf("%d", Eans[i][j]); if (j == Cc) printf("\n"); else printf(" "); } return 0; }
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0
p02942
C++
Time Limit Exceeded
#include <algorithm> #include <cstdio> const int N = 101; int a[N][N]; int r[N]; // r[x] = row of element x int p[N][N]; // p[x][y] = row of element y in column x int next(int row) { int col = 0; while (a[row][col] != -1) ++col; return col; } int main() { int n, m; scanf("%d%d", &n, &m); for (int i = 0; i < n; ++i) for (int j = 0; j < m; ++j) { int x; scanf("%d", &x); r[x - 1] = i; a[i][j] = -1; } for (int i = 0; i < n * m; ++i) { int row = r[i]; int col1 = i % m; int col2 = next(row); int val = i / m; if (col1 == col2) { a[row][col1] = val; p[col1][val] = row; } else while (val != -1) { p[col1][val] = row; std::swap(val, a[row][col1]); a[row][col2] = val; if (val != -1) std::swap(row, p[col2][val]); } } for (int i = 0; i < n; ++i) for (int j = 0; j < m; ++j) { int val = a[i][j] * m; for (int k = 0; k < m; ++k) if (r[val + k] == i) { a[i][j] = val + k; r[val + k] = -1; break; } } for (int i = 0; i < n; ++i, puts("")) for (int j = 0; j < m; ++j) printf("%d ", a[i][j] + 1); for (int i = 0; i < m; ++i) for (int j = 1; j < n; ++j) for (int k = 0; k < n - j; ++k) if (a[k][i] > a[k + 1][i]) std::swap(a[k][i], a[k + 1][i]); for (int i = 0; i < n; ++i, puts("")) for (int j = 0; j < m; ++j) printf("%d ", a[i][j] + 1); }
#include <algorithm> #include <cstdio> const int N = 101; int a[N][N]; int r[N * N]; // r[x] = row of element x int p[N][N]; // p[x][y] = row of element y in column x int next(int row) { int col = 0; while (a[row][col] != -1) ++col; return col; } int main() { int n, m; scanf("%d%d", &n, &m); for (int i = 0; i < n; ++i) for (int j = 0; j < m; ++j) { int x; scanf("%d", &x); r[x - 1] = i; a[i][j] = -1; } for (int i = 0; i < n * m; ++i) { int row = r[i]; int col1 = i % m; int col2 = next(row); int val = i / m; if (col1 == col2) { a[row][col1] = val; p[col1][val] = row; } else while (val != -1) { p[col1][val] = row; std::swap(val, a[row][col1]); a[row][col2] = val; if (val != -1) std::swap(row, p[col2][val]); } } for (int i = 0; i < n; ++i) for (int j = 0; j < m; ++j) { int val = a[i][j] * m; for (int k = 0; k < m; ++k) if (r[val + k] == i) { a[i][j] = val + k; r[val + k] = -1; break; } } for (int i = 0; i < n; ++i, puts("")) for (int j = 0; j < m; ++j) printf("%d ", a[i][j] + 1); for (int i = 0; i < m; ++i) for (int j = 1; j < n; ++j) for (int k = 0; k < n - j; ++k) if (a[k][i] > a[k + 1][i]) std::swap(a[k][i], a[k + 1][i]); for (int i = 0; i < n; ++i, puts("")) for (int j = 0; j < m; ++j) printf("%d ", a[i][j] + 1); }
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TLE
p02942
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; namespace maxflow { #define inf 999999999 struct edge { int to, nxt, f; } e[20001]; int head[211]; int edge_cnt; int s, t; void init(int s1, int t1) { s = s1, t = t1; edge_cnt = -1; memset(head, -1, sizeof(head)); } void add(int u, int v, int f) { e[++edge_cnt].nxt = head[u]; e[edge_cnt].to = v; e[edge_cnt].f = f; head[u] = edge_cnt; } void add_edge(int u, int v, int f) { add(u, v, f); add(v, u, 0); } int dep[211]; bool bfs(int s, int t) { memset(dep, 0x3f, sizeof(dep)); queue<int> q; q.push(s); dep[s] = 0; while (!q.empty()) { int u = q.front(); q.pop(); for (int i = head[u]; i != -1; i = e[i].nxt) if (e[i].f != 0) { int to = e[i].to; if (dep[to] > dep[u] + 1) { dep[to] = dep[u] + 1; q.push(to); } } } return dep[t] < inf; } int dfs(int u, int flow) { if (u == t) return flow; int use = flow; for (int i = head[u]; i != -1; i = e[i].nxt) { int to = e[i].to; if (use && dep[to] == dep[u] + 1 && e[i].f) { int f = dfs(to, min(e[i].f, use)); use -= f; e[i].f -= f; e[i ^ 1].f += f; } } return flow - use; } int dinic() { int maxflow = 0; while (bfs(s, t)) maxflow += dfs(s, inf); return maxflow; } } // namespace maxflow using namespace maxflow; int c[101][101]; int a[101][101]; vector<int> rem[101][101]; int main() { int n, m; scanf("%d%d", &n, &m); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { scanf("%d", &a[i][j]); rem[i][(a[i][j] + m - 1) / m].push_back(a[i][j]); } for (int p = 1; p <= m; p++) { init(0, 210); for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) if (rem[i][j].size()) add_edge(i, j + n + 1, 1); add_edge(s, i, 1); add_edge(i + n + 1, t, 1); } dinic(); // printf("%d\n",dinic()); for (int i = 1; i <= n; i++) { int at = 0; for (int j = head[i]; j != -1; j = e[j].nxt) if (e[j].f == 0 && e[j].to > n + 1) at = e[j].to - n - 1; c[i][p] = rem[i][at].back(); rem[i][at].pop_back(); } // for(int t=1;t<=n;t++) // printf("%d ",c[t][p]); // printf("\n"); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", c[i][j]); printf("\n"); } for (int j = 1; j <= m; j++) { for (int i = 1; i <= n; i++) for (int k = i + 1; k <= n; k++) if (c[k][j] <= c[i][j]) swap(c[k][j], c[i][j]); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", c[i][j]); printf("\n"); } return 0; }
#include <bits/stdc++.h> using namespace std; namespace maxflow { #define inf 999999999 struct edge { int to, nxt, f; } e[200001]; int head[211]; int edge_cnt; int s, t; void init(int s1, int t1) { s = s1, t = t1; edge_cnt = -1; memset(head, -1, sizeof(head)); } void add(int u, int v, int f) { e[++edge_cnt].nxt = head[u]; e[edge_cnt].to = v; e[edge_cnt].f = f; head[u] = edge_cnt; } void add_edge(int u, int v, int f) { add(u, v, f); add(v, u, 0); } int dep[211]; bool bfs(int s, int t) { memset(dep, 0x3f, sizeof(dep)); queue<int> q; q.push(s); dep[s] = 0; while (!q.empty()) { int u = q.front(); q.pop(); for (int i = head[u]; i != -1; i = e[i].nxt) if (e[i].f != 0) { int to = e[i].to; if (dep[to] > dep[u] + 1) { dep[to] = dep[u] + 1; q.push(to); } } } return dep[t] < inf; } int dfs(int u, int flow) { if (u == t) return flow; int use = flow; for (int i = head[u]; i != -1; i = e[i].nxt) { int to = e[i].to; if (use && dep[to] == dep[u] + 1 && e[i].f) { int f = dfs(to, min(e[i].f, use)); use -= f; e[i].f -= f; e[i ^ 1].f += f; } } return flow - use; } int dinic() { int maxflow = 0; while (bfs(s, t)) maxflow += dfs(s, inf); return maxflow; } } // namespace maxflow using namespace maxflow; int c[101][101]; int a[101][101]; vector<int> rem[101][101]; int main() { int n, m; scanf("%d%d", &n, &m); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { scanf("%d", &a[i][j]); rem[i][(a[i][j] + m - 1) / m].push_back(a[i][j]); } for (int p = 1; p <= m; p++) { init(0, 210); for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) if (rem[i][j].size()) add_edge(i, j + n + 1, 1); add_edge(s, i, 1); add_edge(i + n + 1, t, 1); } dinic(); // printf("%d\n",dinic()); for (int i = 1; i <= n; i++) { int at = 0; for (int j = head[i]; j != -1; j = e[j].nxt) if (e[j].f == 0 && e[j].to > n + 1) at = e[j].to - n - 1; c[i][p] = rem[i][at].back(); rem[i][at].pop_back(); } // for(int t=1;t<=n;t++) // printf("%d ",c[t][p]); // printf("\n"); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", c[i][j]); printf("\n"); } for (int j = 1; j <= m; j++) { for (int i = 1; i <= n; i++) for (int k = i + 1; k <= n; k++) if (c[k][j] <= c[i][j]) swap(c[k][j], c[i][j]); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", c[i][j]); printf("\n"); } return 0; }
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7
0
p02942
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define REP(i, n) for (ll(i) = (0); (i) < (n); ++i) #define REV(i, n) for (ll(i) = (n)-1; (i) >= 0; --i) #define PB push_back #define EB emplace_back #define MP make_pair #define FI first #define SE second #define SHOW1d(v, n) \ { \ REP(WW, n) cerr << v[WW] << ' '; \ cerr << endl << endl; \ } #define SHOW2d(v, WW, HH) \ { \ REP(W_, WW) { \ REP(H_, HH) cerr << v[W_][H_] << ' '; \ cerr << endl; \ } \ cerr << endl; \ } #define ALL(v) v.begin(), v.end() #define Decimal fixed << setprecision(20) #define INF 1000000000 #define LLINF 1000000000000000000LL #define MOD 998244353 typedef long long ll; typedef pair<ll, ll> P; int ch[111111]; int mp[111][111]; int used[111]; bool used_gyou[111]; int n, m; void init() { int cou = 0; for (int i = 1; i < 111111; i++) { ch[i] = cou; if (i % m == 0) { cou++; } } REP(i, n) { REP(j, m) { cin >> mp[i][j]; } } } bool check_gyou(int now_retsu, int now_gyou) { // cout << "check_gyou " << now_retsu << " " << now_gyou << endl; used_gyou[now_gyou] = true; for (int i = now_retsu; i < m; i++) { if (used[ch[mp[now_gyou][i]]] == -1) { used[ch[mp[now_gyou][i]]] = now_gyou; swap(mp[now_gyou][now_retsu], mp[now_gyou][i]); return true; } } for (int i = now_retsu; i < m; i++) { if (used_gyou[used[ch[mp[now_gyou][i]]]]) { if (check_gyou(now_retsu, used[ch[mp[now_gyou][i]]])) { used[ch[mp[now_gyou][i]]] = now_gyou; swap(mp[now_gyou][now_retsu], mp[now_gyou][i]); return true; } } } return false; } void seica_gyou() { REP(retsu, m) { REP(i, 111) { used[i] = -1; } REP(gyou, n) { bool flag = false; for (int i = retsu; i < m; i++) { // cout << "# " << gyou << " " << retsu << " " << i << " " << // mp[gyou][i] << " " << used[ch[mp[gyou][i]]] << endl; if (used[ch[mp[gyou][i]]] == -1) { used[ch[mp[gyou][i]]] = gyou; swap(mp[gyou][retsu], mp[gyou][i]); flag = true; break; } } if (flag) { // cout << "A " << gyou << " " << retsu << " " << mp[gyou][retsu] << // endl; continue; } REP(i, 111) { used_gyou[i] = false; } for (int i = retsu; i < m; i++) { if (check_gyou(retsu, used[ch[mp[gyou][i]]])) { used[ch[mp[gyou][i]]] = gyou; swap(mp[gyou][retsu], mp[gyou][i]); flag = true; break; } } if (!flag) { cout << "!!!" << endl; exit(1); } // cout << "B ";REP(i, gyou+1)cout << mp[i][retsu] << " ";cout << endl; } /* REP(i, n){ REP(j, m){ cout << mp[i][j] << " "; } cout << endl; } cout << endl; */ } } void seica_retsu() { REP(retsu, m) { vector<int> v; REP(gyou, n) { v.PB(mp[gyou][retsu]); } sort(ALL(v)); REP(gyou, n) { mp[gyou][retsu] = v[gyou]; } } } int main() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(false); cin >> n >> m; init(); seica_gyou(); REP(i, n) { REP(j, m) { cout << mp[i][j] << " "; } cout << endl; } seica_retsu(); REP(i, n) { REP(j, m) { cout << mp[i][j] << " "; } cout << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; #define REP(i, n) for (ll(i) = (0); (i) < (n); ++i) #define REV(i, n) for (ll(i) = (n)-1; (i) >= 0; --i) #define PB push_back #define EB emplace_back #define MP make_pair #define FI first #define SE second #define SHOW1d(v, n) \ { \ REP(WW, n) cerr << v[WW] << ' '; \ cerr << endl << endl; \ } #define SHOW2d(v, WW, HH) \ { \ REP(W_, WW) { \ REP(H_, HH) cerr << v[W_][H_] << ' '; \ cerr << endl; \ } \ cerr << endl; \ } #define ALL(v) v.begin(), v.end() #define Decimal fixed << setprecision(20) #define INF 1000000000 #define LLINF 1000000000000000000LL #define MOD 998244353 typedef long long ll; typedef pair<ll, ll> P; int ch[111111]; int mp[111][111]; int used[111]; bool used_gyou[111]; int n, m; void init() { int cou = 0; for (int i = 1; i < 111111; i++) { ch[i] = cou; if (i % m == 0) { cou++; } } REP(i, n) { REP(j, m) { cin >> mp[i][j]; } } } bool check_gyou(int now_retsu, int now_gyou) { // cout << "check_gyou " << now_retsu << " " << now_gyou << endl; used_gyou[now_gyou] = true; for (int i = now_retsu; i < m; i++) { if (used[ch[mp[now_gyou][i]]] == -1) { used[ch[mp[now_gyou][i]]] = now_gyou; swap(mp[now_gyou][now_retsu], mp[now_gyou][i]); return true; } } for (int i = now_retsu; i < m; i++) { if (!used_gyou[used[ch[mp[now_gyou][i]]]]) { if (check_gyou(now_retsu, used[ch[mp[now_gyou][i]]])) { used[ch[mp[now_gyou][i]]] = now_gyou; swap(mp[now_gyou][now_retsu], mp[now_gyou][i]); return true; } } } return false; } void seica_gyou() { REP(retsu, m) { REP(i, 111) { used[i] = -1; } REP(gyou, n) { bool flag = false; for (int i = retsu; i < m; i++) { // cout << "# " << gyou << " " << retsu << " " << i << " " << // mp[gyou][i] << " " << used[ch[mp[gyou][i]]] << endl; if (used[ch[mp[gyou][i]]] == -1) { used[ch[mp[gyou][i]]] = gyou; swap(mp[gyou][retsu], mp[gyou][i]); flag = true; break; } } if (flag) { // cout << "A " << gyou << " " << retsu << " " << mp[gyou][retsu] << // endl; continue; } REP(i, 111) { used_gyou[i] = false; } for (int i = retsu; i < m; i++) { if (check_gyou(retsu, used[ch[mp[gyou][i]]])) { used[ch[mp[gyou][i]]] = gyou; swap(mp[gyou][retsu], mp[gyou][i]); flag = true; break; } } if (!flag) { cout << "!!!" << endl; exit(1); } // cout << "B ";REP(i, gyou+1)cout << mp[i][retsu] << " ";cout << endl; } /* REP(i, n){ REP(j, m){ cout << mp[i][j] << " "; } cout << endl; } cout << endl; */ } } void seica_retsu() { REP(retsu, m) { vector<int> v; REP(gyou, n) { v.PB(mp[gyou][retsu]); } sort(ALL(v)); REP(gyou, n) { mp[gyou][retsu] = v[gyou]; } } } int main() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(false); cin >> n >> m; init(); seica_gyou(); REP(i, n) { REP(j, m) { cout << mp[i][j] << " "; } cout << endl; } seica_retsu(); REP(i, n) { REP(j, m) { cout << mp[i][j] << " "; } cout << endl; } return 0; }
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p02942
C++
Runtime Error
// #pragma GCC optimize("O3") #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/rope> #define mem(a, v) memset((a), (v), sizeof(a)) #define enl printf("\n") #define case(t) printf("Case #%d: ", (t)) #define ni(n) scanf("%d", &(n)) #define nl(n) scanf("%lld", &(n)) #define nai(a, n) \ for (int i = 0; i < (n); i++) \ ni(a[i]) #define nal(a, n) \ for (int i = 0; i < (n); i++) \ nl(a[i]) #define pri(n) printf("%d\n", (n)) #define prl(n) printf("%lld\n", (n)) #define pii pair<int, int> #define pil pair<int, long long> #define pll pair<long long, long long> #define vii vector<pii> #define vil vector<pil> #define vll vector<pll> #define vi vector<int> #define vl vector<long long> #define pb push_back #define mp make_pair #define fi first #define se second using namespace std; using namespace __gnu_pbds; typedef long long ll; typedef cc_hash_table<int, int, hash<int>> ht; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> oset; const double pi = acos(-1); const int MOD = 1e9 + 7; const int INF = 1e9 + 7; const int MAXN = 1e2 + 5; const double eps = 1e-9; int a[MAXN][MAXN]; int b[MAXN][MAXN]; struct BPM { vi adj[MAXN]; int l, r, dist[MAXN], match[MAXN]; void init(int l1, int r1) { l = l1, r = r1; } void addEdge(int u, int v) { adj[u].pb(v + l); adj[v + l].pb(u); } void reset() { for (int i = 0; i <= l + r; i++) adj[i].clear(); l = 0, r = 0; } bool dfs(int u) { if (u == 0) return 1; for (int v : adj[u]) { if (dist[match[v]] == dist[u] + 1 && dfs(match[v])) { match[v] = u; match[u] = v; return 1; } } dist[u] = INF; return 0; } bool bfs() { deque<int> pq; for (int i = 1; i <= l; i++) { if (match[i] == 0) { dist[i] = 0; pq.pb(i); } else dist[i] = INF; } dist[0] = INF; while (!pq.empty()) { int u = pq.front(); pq.pop_front(); if (u == 0) continue; for (int v : adj[u]) { if (dist[match[v]] == INF) { dist[match[v]] = dist[u] + 1; pq.pb(match[v]); } } } if (dist[0] == INF) return 0; return 1; } // runtime: O(sqrt(V)E) // l nodes left, r nodes right int matching() { int ret = 0; memset(match, 0, sizeof match); while (bfs()) for (int i = 1; i <= l; i++) if (match[i] == 0 && dfs(i)) ret++; return ret; } } g; int main() { int n, m; scanf("%d %d", &n, &m); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) scanf("%d", &a[i][j]); for (int i = 1; i <= m; i++) { g.reset(); g.init(n, n); for (int j = i; j <= m; j++) for (int k = 1; k <= n; k++) g.addEdge(k, (a[k][j] - 1) / m + 1); g.matching(); for (int j = 1; j <= n; j++) { for (int k = i; k <= m; k++) { if (g.match[j] != (a[j][k] - 1) / m + 1 + n) continue; swap(a[j][k], a[j][i]); break; } } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", a[i][j]); enl; } // enl; for (int i = 1; i <= m; i++) for (int j = 1; j <= n; j++) b[(a[j][i] - 1) / m + 1][i] = a[j][i]; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", b[i][j]); enl; } return 0; }
// #pragma GCC optimize("O3") #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/rope> #define mem(a, v) memset((a), (v), sizeof(a)) #define enl printf("\n") #define case(t) printf("Case #%d: ", (t)) #define ni(n) scanf("%d", &(n)) #define nl(n) scanf("%lld", &(n)) #define nai(a, n) \ for (int i = 0; i < (n); i++) \ ni(a[i]) #define nal(a, n) \ for (int i = 0; i < (n); i++) \ nl(a[i]) #define pri(n) printf("%d\n", (n)) #define prl(n) printf("%lld\n", (n)) #define pii pair<int, int> #define pil pair<int, long long> #define pll pair<long long, long long> #define vii vector<pii> #define vil vector<pil> #define vll vector<pll> #define vi vector<int> #define vl vector<long long> #define pb push_back #define mp make_pair #define fi first #define se second using namespace std; using namespace __gnu_pbds; typedef long long ll; typedef cc_hash_table<int, int, hash<int>> ht; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> oset; const double pi = acos(-1); const int MOD = 1e9 + 7; const int INF = 1e9 + 7; const int MAXN = 2e2 + 5; const double eps = 1e-9; int a[MAXN][MAXN]; int b[MAXN][MAXN]; struct BPM { vi adj[MAXN]; int l, r, dist[MAXN], match[MAXN]; void init(int l1, int r1) { l = l1, r = r1; } void addEdge(int u, int v) { adj[u].pb(v + l); adj[v + l].pb(u); } void reset() { for (int i = 0; i <= l + r; i++) adj[i].clear(); l = 0, r = 0; } bool dfs(int u) { if (u == 0) return 1; for (int v : adj[u]) { if (dist[match[v]] == dist[u] + 1 && dfs(match[v])) { match[v] = u; match[u] = v; return 1; } } dist[u] = INF; return 0; } bool bfs() { deque<int> pq; for (int i = 1; i <= l; i++) { if (match[i] == 0) { dist[i] = 0; pq.pb(i); } else dist[i] = INF; } dist[0] = INF; while (!pq.empty()) { int u = pq.front(); pq.pop_front(); if (u == 0) continue; for (int v : adj[u]) { if (dist[match[v]] == INF) { dist[match[v]] = dist[u] + 1; pq.pb(match[v]); } } } if (dist[0] == INF) return 0; return 1; } // runtime: O(sqrt(V)E) // l nodes left, r nodes right int matching() { int ret = 0; memset(match, 0, sizeof match); while (bfs()) for (int i = 1; i <= l; i++) if (match[i] == 0 && dfs(i)) ret++; return ret; } } g; int main() { int n, m; scanf("%d %d", &n, &m); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) scanf("%d", &a[i][j]); for (int i = 1; i <= m; i++) { g.reset(); g.init(n, n); for (int j = i; j <= m; j++) for (int k = 1; k <= n; k++) g.addEdge(k, (a[k][j] - 1) / m + 1); g.matching(); for (int j = 1; j <= n; j++) { for (int k = i; k <= m; k++) { if (g.match[j] != (a[j][k] - 1) / m + 1 + n) continue; swap(a[j][k], a[j][i]); break; } } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", a[i][j]); enl; } // enl; for (int i = 1; i <= m; i++) for (int j = 1; j <= n; j++) b[(a[j][i] - 1) / m + 1][i] = a[j][i]; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", b[i][j]); enl; } return 0; }
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p02942
C++
Runtime Error
#include <bits/stdc++.h> #define maxn 128 using namespace std; int n, m; int a[maxn][maxn]; void read() { cin >> n >> m; int i, j; for (i = 0; i < n; i++) for (j = 0; j < m; j++) cin >> a[i][j]; } vector<int> v[maxn]; bool used[maxn * maxn]; bool tused[maxn * maxn]; int match[maxn * maxn]; void clearr() { int i; for (i = 0; i < maxn; i++) v[i].clear(); } /*void build() { int i,j; for(i=0;i<n;i++) { int sz=v[i].size(); for(j=0;j<v[i].size();j++) { int nb=v[i][j]; if(!match[nb]) { match[nb]=i; break; } } } }*/ bool khun(int i) { // cout<<i<<" "; if (tused[i]) return false; tused[i] = true; int j, sz = v[i].size(); for (j = 0; j < sz; j++) { int t = v[i][j]; if (match[t] == -1 || khun(match[t])) { match[t] = i; match[i] = t; return true; } } return false; } int ans[maxn][maxn]; void solve() { int i, j, k; for (i = 0; i < m; i++) { clearr(); for (j = 0; j < n; j++) for (k = 0; k < m; k++) if (!used[a[j][k]]) { v[j].push_back((a[j][k] - 1) / m + n); v[(a[j][k] - 1) / m + n].push_back(j); } memset(match, -1, sizeof(match)); for (j = 0; j < n; j++) { memset(tused, 0, sizeof(tused)); khun(j); } for (j = 0; j < n; j++) { if (match[j] != -1) { for (k = 0; k < m; k++) { if ((a[j][k] - 1) / m + n == match[j] && !used[a[j][k]]) { used[a[j][k]] = true; ans[j][i] = a[j][k]; break; } } } } } for (i = 0; i < n; i++) { for (j = 0; j < m; j++) cout << ans[i][j] << " "; cout << endl; } } // bool ans[maxn][maxn]; int main() { int i, j, k; read(); solve(); for (i = 0; i < n; i++) { for (j = 0; j < m; j++) for (k = 0; k < n; k++) if ((ans[k][j] - 1) / m == i) { cout << ans[k][j] << " "; break; } cout << endl; } return 0; } /* 3 4 1 4 7 10 2 5 8 11 3 6 9 12 */
#include <bits/stdc++.h> #define maxn 128 using namespace std; int n, m; int a[maxn][maxn]; void read() { cin >> n >> m; int i, j; for (i = 0; i < n; i++) for (j = 0; j < m; j++) cin >> a[i][j]; } vector<int> v[maxn * maxn]; bool used[maxn * maxn]; bool tused[maxn * maxn]; int match[maxn * maxn]; void clearr() { int i; for (i = 0; i < maxn; i++) v[i].clear(); } /*void build() { int i,j; for(i=0;i<n;i++) { int sz=v[i].size(); for(j=0;j<v[i].size();j++) { int nb=v[i][j]; if(!match[nb]) { match[nb]=i; break; } } } }*/ bool khun(int i) { // cout<<i<<" "; if (tused[i]) return false; tused[i] = true; int j, sz = v[i].size(); for (j = 0; j < sz; j++) { int t = v[i][j]; if (match[t] == -1 || khun(match[t])) { match[t] = i; match[i] = t; return true; } } return false; } int ans[maxn][maxn]; void solve() { int i, j, k; for (i = 0; i < m; i++) { clearr(); for (j = 0; j < n; j++) for (k = 0; k < m; k++) if (!used[a[j][k]]) { v[j].push_back((a[j][k] - 1) / m + n); v[(a[j][k] - 1) / m + n].push_back(j); } memset(match, -1, sizeof(match)); for (j = 0; j < n; j++) { memset(tused, 0, sizeof(tused)); khun(j); } for (j = 0; j < n; j++) { if (match[j] != -1) { for (k = 0; k < m; k++) { if ((a[j][k] - 1) / m + n == match[j] && !used[a[j][k]]) { used[a[j][k]] = true; ans[j][i] = a[j][k]; break; } } } } } for (i = 0; i < n; i++) { for (j = 0; j < m; j++) cout << ans[i][j] << " "; cout << endl; } } // bool ans[maxn][maxn]; int main() { int i, j, k; read(); solve(); for (i = 0; i < n; i++) { for (j = 0; j < m; j++) for (k = 0; k < n; k++) if ((ans[k][j] - 1) / m == i) { cout << ans[k][j] << " "; break; } cout << endl; } return 0; } /* 3 4 1 4 7 10 2 5 8 11 3 6 9 12 */
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p02942
C++
Runtime Error
#include <bits/stdc++.h> #define MAXN 128 using namespace std; int n, m; vector<int> g[MAXN]; int a[MAXN][MAXN], b[MAXN][MAXN], us[MAXN][MAXN], used[MAXN], mt[MAXN]; void read() { int i, j; cin >> n >> m; for (i = 0; i < n; i++) for (j = 0; j < m; j++) cin >> a[i][j]; } bool try_kuhn(int v) { if (used[v]) return false; used[v] = true; for (size_t i = 0; i < g[v].size(); ++i) { int to = g[v][i]; if (mt[to] == -1 || try_kuhn(mt[to])) { mt[to] = v; mt[v] = to; return true; } } return false; } void solve() { int i, j, l; for (l = 0; l < m; l++) { // cout<<"---------\n"; for (i = 0; i < n; i++) g[i].clear(); for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { if (!us[i][j]) { g[i].push_back(a[i][j] / m - (a[i][j] % m == 0) + n); g[a[i][j] / m - (a[i][j] % m == 0) + n].push_back(i); // cout<<i<<" "<<a[i][j]/m-(a[i][j]%m==0)+n<<endl; } } } // cout<<"---------\n"; memset(mt, -1, sizeof(mt)); for (int v = 0; v < n; ++v) { memset(used, 0, sizeof(used)); try_kuhn(v); } for (int i = 0; i < n; ++i) { // cout<<mt[i]<<endl; if (mt[i] != -1) { // printf ("%d %d\n", mt[i], i); for (j = 0; j < m; j++) { if (a[i][j] / m - (a[i][j] % m == 0) + n == mt[i] && !us[i][j]) { us[i][j] = true; /// cout<<" - > "<<i<<" "<<j<<endl; b[i][l] = a[i][j]; break; } } } } } for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { cout << b[i][j] << " "; } cout << endl; } vector<int> h; for (j = 0; j < m; j++) { h.clear(); for (i = 0; i < n; i++) { h.push_back(b[i][j]); } sort(h.begin(), h.end()); for (i = 0; i < n; i++) { b[i][j] = h[i]; } } for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { cout << b[i][j] << " "; } cout << endl; } } int main() { read(); solve(); return 0; }
#include <bits/stdc++.h> #define MAXN 128 * 4 using namespace std; int n, m; vector<int> g[MAXN]; int a[MAXN][MAXN], b[MAXN][MAXN], us[MAXN][MAXN], used[MAXN], mt[MAXN]; void read() { int i, j; cin >> n >> m; for (i = 0; i < n; i++) for (j = 0; j < m; j++) cin >> a[i][j]; } bool try_kuhn(int v) { if (used[v]) return false; used[v] = true; for (size_t i = 0; i < g[v].size(); ++i) { int to = g[v][i]; if (mt[to] == -1 || try_kuhn(mt[to])) { mt[to] = v; mt[v] = to; return true; } } return false; } void solve() { int i, j, l; for (l = 0; l < m; l++) { // cout<<"---------\n"; for (i = 0; i < n; i++) g[i].clear(); for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { if (!us[i][j]) { g[i].push_back(a[i][j] / m - (a[i][j] % m == 0) + n); g[a[i][j] / m - (a[i][j] % m == 0) + n].push_back(i); // cout<<i<<" "<<a[i][j]/m-(a[i][j]%m==0)+n<<endl; } } } // cout<<"---------\n"; memset(mt, -1, sizeof(mt)); for (int v = 0; v < n; ++v) { memset(used, 0, sizeof(used)); try_kuhn(v); } for (int i = 0; i < n; ++i) { // cout<<mt[i]<<endl; if (mt[i] != -1) { // printf ("%d %d\n", mt[i], i); for (j = 0; j < m; j++) { if (a[i][j] / m - (a[i][j] % m == 0) + n == mt[i] && !us[i][j]) { us[i][j] = true; /// cout<<" - > "<<i<<" "<<j<<endl; b[i][l] = a[i][j]; break; } } } } } for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { cout << b[i][j] << " "; } cout << endl; } vector<int> h; for (j = 0; j < m; j++) { h.clear(); for (i = 0; i < n; i++) { h.push_back(b[i][j]); } sort(h.begin(), h.end()); for (i = 0; i < n; i++) { b[i][j] = h[i]; } } for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { cout << b[i][j] << " "; } cout << endl; } } int main() { read(); solve(); return 0; }
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p02942
C++
Runtime Error
#include <algorithm> #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <queue> #include <vector> using namespace std; const int N = 210, M = 20010; const int INF = 1e9; struct edge { int from, to, flow, cap; edge() {} edge(int _1, int _2, int _3, int _4) : from(_1), to(_2), flow(_3), cap(_4) {} }; struct Dinic { edge edges[M]; int head[N], nxt[M], tot; inline void init() { memset(head, -1, sizeof(head)); tot = 0; } inline void add_edge(int x, int y, int z) { edges[tot] = edge(x, y, 0, z); nxt[tot] = head[x]; head[x] = tot++; edges[tot] = edge(y, x, 0, 0); nxt[tot] = head[y]; head[y] = tot++; } int s, t, L, R; int cur[N]; int d[N]; bool bfs() { memset(d + L, -1, sizeof(int) * (R - L + 1)); queue<int> q; q.push(s); d[s] = 0; while (!q.empty()) { int x = q.front(); q.pop(); cur[x] = head[x]; for (int i = head[x]; ~i; i = nxt[i]) { edge &e = edges[i]; if (d[e.to] == -1 && e.flow < e.cap) { d[e.to] = d[x] + 1; q.push(e.to); } } } return d[t] != -1; } int dfs(int x, int a) { if (x == t || a == 0) return a; int flow = 0, f = 0; for (int &i = cur[x]; ~i; i = nxt[i]) { edge &e = edges[i]; if (d[e.to] == d[x] + 1 && (f = dfs(e.to, min(a, e.cap - e.flow))) > 0) { e.flow += f; edges[i ^ 1].flow -= f; a -= f; flow += f; if (!a) break; } } return flow; } inline int maxflow(int s, int t) { this->s = s; this->t = t; int flow = 0; while (bfs()) flow += dfs(s, INF); return flow; } } dinic; int n, m; int a[110][110], b[110][110], c[110][110]; int val[110][110]; vector<int> vec[110][110]; inline int get(int x) { return (x - 1) / m + 1; } int main() { cin >> n >> m; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) scanf("%d", &a[i][j]); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) vec[i][get(a[i][j])].push_back(a[i][j]); for (int i = 1; i <= m; i++) { dinic.init(); dinic.L = 0, dinic.R = 2 * n + 2; int S = 2 * n + 1, T = 2 * n + 2; for (int j = 1; j <= n; j++) dinic.add_edge(S, j, 1); for (int j = 1; j <= n; j++) dinic.add_edge(j + n, T, 1); for (int j = 1; j <= n; j++) for (int k = 1; k <= n; k++) if (!vec[j][k].empty()) dinic.add_edge(j, k + n, 1); dinic.maxflow(S, T); for (int j = 1; j <= n; j++) for (int k = dinic.head[j]; ~k; k = dinic.nxt[k]) { edge &e = dinic.edges[k]; if (e.to != S && e.to != T && e.to > n && e.cap == e.flow) { b[j][i] = vec[j][e.to - n].back(); vec[j][e.to - n].pop_back(); } } } for (int i = 1; i <= m; i++) { static int tmp[110]; for (int j = 1; j <= n; j++) tmp[j] = b[j][i]; sort(tmp + 1, tmp + 1 + n, [](int a, int b) { return get(a) < get(b); }); for (int j = 1; j <= n; j++) c[j][i] = tmp[j]; } for (int i = 1; i <= n; i++, puts("")) for (int j = 1; j <= m; j++) printf("%d ", b[i][j]); for (int i = 1; i <= n; i++, puts("")) for (int j = 1; j <= m; j++) printf("%d ", c[i][j]); return 0; }
#include <algorithm> #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <queue> #include <vector> using namespace std; const int N = 210, M = 40010; const int INF = 1e9; struct edge { int from, to, flow, cap; edge() {} edge(int _1, int _2, int _3, int _4) : from(_1), to(_2), flow(_3), cap(_4) {} }; struct Dinic { edge edges[M]; int head[N], nxt[M], tot; inline void init() { memset(head, -1, sizeof(head)); tot = 0; } inline void add_edge(int x, int y, int z) { edges[tot] = edge(x, y, 0, z); nxt[tot] = head[x]; head[x] = tot++; edges[tot] = edge(y, x, 0, 0); nxt[tot] = head[y]; head[y] = tot++; } int s, t, L, R; int cur[N]; int d[N]; bool bfs() { memset(d + L, -1, sizeof(int) * (R - L + 1)); queue<int> q; q.push(s); d[s] = 0; while (!q.empty()) { int x = q.front(); q.pop(); cur[x] = head[x]; for (int i = head[x]; ~i; i = nxt[i]) { edge &e = edges[i]; if (d[e.to] == -1 && e.flow < e.cap) { d[e.to] = d[x] + 1; q.push(e.to); } } } return d[t] != -1; } int dfs(int x, int a) { if (x == t || a == 0) return a; int flow = 0, f = 0; for (int &i = cur[x]; ~i; i = nxt[i]) { edge &e = edges[i]; if (d[e.to] == d[x] + 1 && (f = dfs(e.to, min(a, e.cap - e.flow))) > 0) { e.flow += f; edges[i ^ 1].flow -= f; a -= f; flow += f; if (!a) break; } } return flow; } inline int maxflow(int s, int t) { this->s = s; this->t = t; int flow = 0; while (bfs()) flow += dfs(s, INF); return flow; } } dinic; int n, m; int a[110][110], b[110][110], c[110][110]; int val[110][110]; vector<int> vec[110][110]; inline int get(int x) { return (x - 1) / m + 1; } int main() { cin >> n >> m; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) scanf("%d", &a[i][j]); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) vec[i][get(a[i][j])].push_back(a[i][j]); for (int i = 1; i <= m; i++) { dinic.init(); dinic.L = 0, dinic.R = 2 * n + 2; int S = 2 * n + 1, T = 2 * n + 2; for (int j = 1; j <= n; j++) dinic.add_edge(S, j, 1); for (int j = 1; j <= n; j++) dinic.add_edge(j + n, T, 1); for (int j = 1; j <= n; j++) for (int k = 1; k <= n; k++) if (!vec[j][k].empty()) dinic.add_edge(j, k + n, 1); dinic.maxflow(S, T); for (int j = 1; j <= n; j++) for (int k = dinic.head[j]; ~k; k = dinic.nxt[k]) { edge &e = dinic.edges[k]; if (e.to != S && e.to != T && e.to > n && e.cap == e.flow) { b[j][i] = vec[j][e.to - n].back(); vec[j][e.to - n].pop_back(); } } } for (int i = 1; i <= m; i++) { static int tmp[110]; for (int j = 1; j <= n; j++) tmp[j] = b[j][i]; sort(tmp + 1, tmp + 1 + n, [](int a, int b) { return get(a) < get(b); }); for (int j = 1; j <= n; j++) c[j][i] = tmp[j]; } for (int i = 1; i <= n; i++, puts("")) for (int j = 1; j <= m; j++) printf("%d ", b[i][j]); for (int i = 1; i <= n; i++, puts("")) for (int j = 1; j <= m; j++) printf("%d ", c[i][j]); return 0; }
replace
11
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11
12
0
p02942
C++
Runtime Error
/* _|_| _| _| _| _| _| _| _|_| _|_|_|_| _| _| _| _| _| _|_| _| _| _|_| _| _| _| _| _| _| _| _| _|_| _| _|_|_|_| _|_| _| _| */ #include <algorithm> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include <queue> #include <set> #include <vector> // #define ls (rt<<1) // #define rs (rt<<1|1) #define vi vector<int> #define pb push_back #define mk make_pair #define pii pair<int, int> #define rep(i, a, b) for (int i = (a), i##end = (b); i <= i##end; i++) #define fi first #define se second typedef long long ll; using namespace std; const int maxn = 205; // 1~n 为颜色点 n+1~2*n为行点 所有没到过的格子给行->颜色连一条边 // 跑完后,每个颜色新增的哪个行,标记打上,然后在B里放入这个。 const int inf = 1e9; struct Flow { int s, t, head[maxn], cur[maxn], cnt, q[maxn], rk[maxn]; struct gg { int u, v, w, next; } side[maxn * 2]; Flow() { s = maxn - 3, t = maxn - 2, cnt = 1; } void reset() { cnt = 1; memset(head, 0, sizeof(head)); } void ins(int u, int v) { side[++cnt] = (gg){u, v, 1, head[u]}; head[u] = cnt; side[++cnt] = (gg){v, u, 0, head[v]}; head[v] = cnt; } bool bfs() { memset(rk, 0, sizeof(rk)); int hd = 1, tl = 1; q[tl] = s; rk[s] = 1; while (hd <= tl) { int u = q[hd++]; for (int i = head[u]; i; i = side[i].next) { int v = side[i].v; if (rk[v] || !side[i].w) continue; rk[v] = rk[u] + 1; q[++tl] = v; } } return rk[t]; } int dfs(int u, int flow) { if (u == t) return flow; int tot = 0; for (int &i = cur[u]; i; i = side[i].next) { int v = side[i].v; if (rk[u] + 1 != rk[v] || !side[i].w) continue; int sent = dfs(v, min(flow, side[i].w)); flow -= sent; tot += sent; side[i].w -= sent; side[i ^ 1].w += sent; } return tot; } void dinic() { int maxflow = 0; while (bfs()) { memcpy(cur, head, sizeof(head)); maxflow += dfs(s, inf); } } } f; int A[105][105], B[105][105], C[105][105], col[105][105]; // col=属于哪一行 bool used[105][105]; int n, m; int get_col(int num) { int tmp = num % m; if (!tmp) tmp = m; return (num - tmp) / m + 1; } int main() { scanf("%d%d", &n, &m); rep(i, 1, n) rep(j, 1, m) scanf("%d", &A[i][j]), col[i][j] = get_col(A[i][j]); rep(floor, 1, m) { f.reset(); rep(i, 1, n) f.ins(f.s, i), f.ins(i + n, f.t); rep(i, 1, n) rep(j, 1, m) if (!used[i][j]) f.ins(col[i][j], i + n); f.dinic(); rep(i, n + 1, 2 * n) { // 枚举每一行 for (int j = f.head[i]; j; j = f.side[j].next) { int v = f.side[j].v; if (v <= n && f.side[j].w) { // 颜色v->行i-n的匹配被点亮 rep(k, 1, m) { // 寻找这一行中符合这一颜色的 if (col[i - n][k] == v && !used[i - n][k]) { used[i - n][k] = 1; B[i - n][floor] = A[i - n][k]; // 填过来 break; } } break; } } } } // 现在B中每一列的任意一种颜色只有一个 rep(i, 1, n) rep(j, 1, m) C[get_col(B[i][j])][j] = B[i][j]; rep(i, 1, n) { rep(j, 1, m) printf("%d ", B[i][j]); printf("\n"); } rep(i, 1, n) { rep(j, 1, m) printf("%d ", C[i][j]); printf("\n"); } return 0; }
/* _|_| _| _| _| _| _| _| _|_| _|_|_|_| _| _| _| _| _| _|_| _| _| _|_| _| _| _| _| _| _| _| _| _|_| _| _|_|_|_| _|_| _| _| */ #include <algorithm> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include <queue> #include <set> #include <vector> // #define ls (rt<<1) // #define rs (rt<<1|1) #define vi vector<int> #define pb push_back #define mk make_pair #define pii pair<int, int> #define rep(i, a, b) for (int i = (a), i##end = (b); i <= i##end; i++) #define fi first #define se second typedef long long ll; using namespace std; const int maxn = 105 * 105 + 2 * 105; // 1~n 为颜色点 n+1~2*n为行点 所有没到过的格子给行->颜色连一条边 // 跑完后,每个颜色新增的哪个行,标记打上,然后在B里放入这个。 const int inf = 1e9; struct Flow { int s, t, head[maxn], cur[maxn], cnt, q[maxn], rk[maxn]; struct gg { int u, v, w, next; } side[maxn * 2]; Flow() { s = maxn - 3, t = maxn - 2, cnt = 1; } void reset() { cnt = 1; memset(head, 0, sizeof(head)); } void ins(int u, int v) { side[++cnt] = (gg){u, v, 1, head[u]}; head[u] = cnt; side[++cnt] = (gg){v, u, 0, head[v]}; head[v] = cnt; } bool bfs() { memset(rk, 0, sizeof(rk)); int hd = 1, tl = 1; q[tl] = s; rk[s] = 1; while (hd <= tl) { int u = q[hd++]; for (int i = head[u]; i; i = side[i].next) { int v = side[i].v; if (rk[v] || !side[i].w) continue; rk[v] = rk[u] + 1; q[++tl] = v; } } return rk[t]; } int dfs(int u, int flow) { if (u == t) return flow; int tot = 0; for (int &i = cur[u]; i; i = side[i].next) { int v = side[i].v; if (rk[u] + 1 != rk[v] || !side[i].w) continue; int sent = dfs(v, min(flow, side[i].w)); flow -= sent; tot += sent; side[i].w -= sent; side[i ^ 1].w += sent; } return tot; } void dinic() { int maxflow = 0; while (bfs()) { memcpy(cur, head, sizeof(head)); maxflow += dfs(s, inf); } } } f; int A[105][105], B[105][105], C[105][105], col[105][105]; // col=属于哪一行 bool used[105][105]; int n, m; int get_col(int num) { int tmp = num % m; if (!tmp) tmp = m; return (num - tmp) / m + 1; } int main() { scanf("%d%d", &n, &m); rep(i, 1, n) rep(j, 1, m) scanf("%d", &A[i][j]), col[i][j] = get_col(A[i][j]); rep(floor, 1, m) { f.reset(); rep(i, 1, n) f.ins(f.s, i), f.ins(i + n, f.t); rep(i, 1, n) rep(j, 1, m) if (!used[i][j]) f.ins(col[i][j], i + n); f.dinic(); rep(i, n + 1, 2 * n) { // 枚举每一行 for (int j = f.head[i]; j; j = f.side[j].next) { int v = f.side[j].v; if (v <= n && f.side[j].w) { // 颜色v->行i-n的匹配被点亮 rep(k, 1, m) { // 寻找这一行中符合这一颜色的 if (col[i - n][k] == v && !used[i - n][k]) { used[i - n][k] = 1; B[i - n][floor] = A[i - n][k]; // 填过来 break; } } break; } } } } // 现在B中每一列的任意一种颜色只有一个 rep(i, 1, n) rep(j, 1, m) C[get_col(B[i][j])][j] = B[i][j]; rep(i, 1, n) { rep(j, 1, m) printf("%d ", B[i][j]); printf("\n"); } rep(i, 1, n) { rep(j, 1, m) printf("%d ", C[i][j]); printf("\n"); } return 0; }
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0
p02942
C++
Runtime Error
// Love and Freedom. #include <algorithm> #include <cmath> #include <cstdio> #include <cstring> #include <queue> #include <vector> #define ll long long #define inf 20021225 #define N 210 #define M 20001 using namespace std; int read() { int s = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') s = s * 10 + ch - '0', ch = getchar(); return f * s; } struct edge { int to, lt, f; } e[M]; int in[N], cnt, s, t, n, m; // clear! void add(int x, int y, int f) { e[++cnt].to = y; e[cnt].lt = in[x]; in[x] = cnt; e[cnt].f = f; e[++cnt].to = x; e[cnt].lt = in[y]; in[y] = cnt; e[cnt].f = 0; } queue<int> que; int dep[N]; bool bfs() { // printf("GG"); while (!que.empty()) que.pop(); memset(dep, 0, sizeof(dep)); que.push(s); dep[s] = 1; while (!que.empty()) { int x = que.front(); que.pop(); for (int i = in[x]; i; i = e[i].lt) if (!dep[e[i].to] && e[i].f) { dep[e[i].to] = dep[x] + 1, que.push(e[i].to); if (e[i].to == t) return 1; } } return 0; } int dfs(int x, int flow) { if (x == t) return flow; int cur = flow; for (int i = in[x]; i; i = e[i].lt) { int y = e[i].to; if (dep[y] == dep[x] + 1 && e[i].f) { int tmp = dfs(y, min(cur, e[i].f)); // printf("GG"); cur -= tmp; e[i].f -= tmp; e[i ^ 1].f += tmp; if (!cur) return flow; } } dep[x] = -1; return flow - cur; } vector<int> val[N][N]; int sz[N][N]; void link() { cnt = 1; s = N - 3; t = s + 1; memset(in, 0, sizeof(in)); for (int i = 1; i <= n; i++) { add(s, i, 1); for (int j = 1; j <= n; j++) if (sz[i][j] < val[i][j].size()) add(i, n + j, 1); } for (int i = 1; i <= n; i++) add(n + i, t, 1); } int r[N], b[N][N], a[N][N]; void dinic() { // printf("QAQ"); while (bfs()) dfs(s, inf); // printf("QwQ"); for (int i = 1; i <= n; i++) for (int j = in[i]; j; j = e[j].lt) { if (e[j].to != s && e[j ^ 1].f) { r[i] = e[j].to - n; // printf("%d %d\n",i,r[i]); break; } } // printf("QAQ"); } int main() { n = read(), m = read(); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { a[i][j] = read(); int id = (a[i][j] - 1) / m + 1; val[i][id].push_back(a[i][j]); // printf("%d %d\n",i,id); } // printf("OVO"); for (int i = 1; i <= m; i++) { link(); dinic(); // printf("GG"); for (int j = 1; j <= n; j++) b[j][i] = val[j][r[j]][sz[j][r[j]]++]; // printf("QAQ"); } for (int i = 1; i <= n; i++, printf("\n")) for (int j = 1; j <= m; j++) printf("%d ", b[i][j]), a[j][i] = b[i][j]; for (int i = 1; i <= m; i++) sort(a[i] + 1, a[i] + n + 1); for (int i = 1; i <= n; i++, printf("\n")) for (int j = 1; j <= m; j++) printf("%d ", a[j][i]); return 0; }
// Love and Freedom. #include <algorithm> #include <cmath> #include <cstdio> #include <cstring> #include <queue> #include <vector> #define ll long long #define inf 20021225 #define N 410 #define M 40001 using namespace std; int read() { int s = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') s = s * 10 + ch - '0', ch = getchar(); return f * s; } struct edge { int to, lt, f; } e[M]; int in[N], cnt, s, t, n, m; // clear! void add(int x, int y, int f) { e[++cnt].to = y; e[cnt].lt = in[x]; in[x] = cnt; e[cnt].f = f; e[++cnt].to = x; e[cnt].lt = in[y]; in[y] = cnt; e[cnt].f = 0; } queue<int> que; int dep[N]; bool bfs() { // printf("GG"); while (!que.empty()) que.pop(); memset(dep, 0, sizeof(dep)); que.push(s); dep[s] = 1; while (!que.empty()) { int x = que.front(); que.pop(); for (int i = in[x]; i; i = e[i].lt) if (!dep[e[i].to] && e[i].f) { dep[e[i].to] = dep[x] + 1, que.push(e[i].to); if (e[i].to == t) return 1; } } return 0; } int dfs(int x, int flow) { if (x == t) return flow; int cur = flow; for (int i = in[x]; i; i = e[i].lt) { int y = e[i].to; if (dep[y] == dep[x] + 1 && e[i].f) { int tmp = dfs(y, min(cur, e[i].f)); // printf("GG"); cur -= tmp; e[i].f -= tmp; e[i ^ 1].f += tmp; if (!cur) return flow; } } dep[x] = -1; return flow - cur; } vector<int> val[N][N]; int sz[N][N]; void link() { cnt = 1; s = N - 3; t = s + 1; memset(in, 0, sizeof(in)); for (int i = 1; i <= n; i++) { add(s, i, 1); for (int j = 1; j <= n; j++) if (sz[i][j] < val[i][j].size()) add(i, n + j, 1); } for (int i = 1; i <= n; i++) add(n + i, t, 1); } int r[N], b[N][N], a[N][N]; void dinic() { // printf("QAQ"); while (bfs()) dfs(s, inf); // printf("QwQ"); for (int i = 1; i <= n; i++) for (int j = in[i]; j; j = e[j].lt) { if (e[j].to != s && e[j ^ 1].f) { r[i] = e[j].to - n; // printf("%d %d\n",i,r[i]); break; } } // printf("QAQ"); } int main() { n = read(), m = read(); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { a[i][j] = read(); int id = (a[i][j] - 1) / m + 1; val[i][id].push_back(a[i][j]); // printf("%d %d\n",i,id); } // printf("OVO"); for (int i = 1; i <= m; i++) { link(); dinic(); // printf("GG"); for (int j = 1; j <= n; j++) b[j][i] = val[j][r[j]][sz[j][r[j]]++]; // printf("QAQ"); } for (int i = 1; i <= n; i++, printf("\n")) for (int j = 1; j <= m; j++) printf("%d ", b[i][j]), a[j][i] = b[i][j]; for (int i = 1; i <= m; i++) sort(a[i] + 1, a[i] + n + 1); for (int i = 1; i <= n; i++, printf("\n")) for (int j = 1; j <= m; j++) printf("%d ", a[j][i]); return 0; }
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p02942
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long #define REP(i, a, b) for (int i = (a), _end_ = (b); i <= _end_; i++) #define DREP(i, a, b) for (int i = (a), _end_ = (b); i >= _end_; i--) #define EREP(i, u) for (int i = start[u]; i; i = e[i].next) #define fi first #define se second #define mkr(a, b) make_pair(a, b) #define SZ(A) ((int)A.size()) template <class T> inline void chkmin(T &a, T b) { if (a > b) a = b; } template <class T> inline void chkmax(T &a, T b) { if (a < b) a = b; } inline void myassert(bool a, string s) { if (!a) cerr << s << endl, exit(0); } inline int read() { int s = 0, f = 1; char ch = getchar(); while (!isdigit(ch) && ch != '-') ch = getchar(); if (ch == '-') ch = getchar(), f = -1; while (isdigit(ch)) s = s * 10 + ch - '0', ch = getchar(); return ~f ? s : -s; } const int maxn = 120; int n, m, col[maxn][maxn]; vector<int> rest[maxn][maxn]; inline void init() { n = read(); m = read(); REP(i, 1, n) REP(j, 1, m) { int x = read(); col[i][j] = (x + m - 1) / m; rest[i][col[i][j]].push_back(x); } } int f[maxn][maxn]; int mch[maxn], vis[maxn]; inline bool dfs(int u) { REP(v, 1, n) if (f[u][v] && !vis[v]) { vis[v] = 1; if (!mch[v] || dfs(v)) { mch[v] = u; return 1; } } return 0; } int B[maxn][maxn]; int C[maxn][maxn]; inline void doing() { REP(k, 1, m) { REP(i, 1, n) REP(j, 1, n) f[i][j] = !rest[i][j].empty(); memset(mch, 0, sizeof(int) * (n + 1)); REP(i, 1, n) { memset(vis, 0, sizeof(int) * (n + 1)); dfs(i); } REP(i, 1, n) { int x = mch[i], y = i; B[x][k] = rest[x][y].back(); rest[x][y].pop_back(); C[y][k] = B[x][k]; } } REP(i, 1, n) REP(j, 1, m) printf("%d%c", B[i][j], j == m ? '\n' : ' '); REP(i, 1, n) REP(j, 1, m) printf("%d%c", C[i][j], j == m ? '\n' : ' '); } int main() { init(); doing(); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define REP(i, a, b) for (int i = (a), _end_ = (b); i <= _end_; i++) #define DREP(i, a, b) for (int i = (a), _end_ = (b); i >= _end_; i--) #define EREP(i, u) for (int i = start[u]; i; i = e[i].next) #define fi first #define se second #define mkr(a, b) make_pair(a, b) #define SZ(A) ((int)A.size()) template <class T> inline void chkmin(T &a, T b) { if (a > b) a = b; } template <class T> inline void chkmax(T &a, T b) { if (a < b) a = b; } inline void myassert(bool a, string s) { if (!a) cerr << s << endl, exit(0); } inline int read() { int s = 0, f = 1; char ch = getchar(); while (!isdigit(ch) && ch != '-') ch = getchar(); if (ch == '-') ch = getchar(), f = -1; while (isdigit(ch)) s = s * 10 + ch - '0', ch = getchar(); return ~f ? s : -s; } const int maxn = 120; int n, m, col[maxn][maxn]; vector<int> rest[maxn][maxn]; inline void init() { n = read(); m = read(); REP(i, 1, n) REP(j, 1, m) { int x = read(); col[i][j] = (x + m - 1) / m; rest[i][col[i][j]].push_back(x); } } int f[maxn][maxn]; int mch[maxn], vis[maxn]; inline bool dfs(int u) { REP(v, 1, n) if (f[u][v] && !vis[v]) { vis[v] = 1; if (!mch[v] || dfs(mch[v])) { mch[v] = u; return 1; } } return 0; } int B[maxn][maxn]; int C[maxn][maxn]; inline void doing() { REP(k, 1, m) { REP(i, 1, n) REP(j, 1, n) f[i][j] = !rest[i][j].empty(); memset(mch, 0, sizeof(int) * (n + 1)); REP(i, 1, n) { memset(vis, 0, sizeof(int) * (n + 1)); dfs(i); } REP(i, 1, n) { int x = mch[i], y = i; B[x][k] = rest[x][y].back(); rest[x][y].pop_back(); C[y][k] = B[x][k]; } } REP(i, 1, n) REP(j, 1, m) printf("%d%c", B[i][j], j == m ? '\n' : ' '); REP(i, 1, n) REP(j, 1, m) printf("%d%c", C[i][j], j == m ? '\n' : ' '); } int main() { init(); doing(); return 0; }
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p02942
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define N 210 #define M 200010 #define inf 2147483647 #define col(x) (((x - 1) / m) + 1) inline int read() { int x = 0; char ch = getchar(); while (!isdigit(ch)) ch = getchar(); while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar(); return x; } int tot = 1; int fir[N], nex[M], got[M], tak[M]; inline void AddEdge(int x, int y, int z) { nex[++tot] = fir[x], fir[x] = tot, got[tot] = y, tak[tot] = z; } int a[N][N], b[N][N]; vector<int> v[N][N]; int dep[N], que[N]; inline int bfs(int s, int t) { memset(dep, 0, sizeof(dep)); int l = 1, r = 1; dep[s] = 1, que[1] = s; while (l <= r) { int x = que[l++]; for (int i = fir[x]; i; i = nex[i]) { int y = got[i]; if (dep[y] || !tak[i]) continue; dep[y] = dep[x] + 1, que[++r] = y; } } return dep[t]; } inline int dfs(int x, int t, int flow) { int rest = flow; if (x == t) return flow; for (int i = fir[x]; i && rest; i = nex[i]) { int y = got[i]; if (!tak[i] || dep[y] != dep[x] + 1) continue; int k = dfs(y, t, min(rest, tak[i])); if (!k) dep[y] = 0; tak[i] -= k, tak[i ^ 1] += k, rest -= k; } return flow - rest; } int main() { int n = read(), m = read(); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { a[i][j] = read(); v[i][col(a[i][j])].push_back(a[i][j]); } for (int w = 1; w <= m; w++) { memset(fir, 0, sizeof(fir)); for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) if (v[i][j].size()) { AddEdge(i, j + n, 1), AddEdge(j + n, i, 0); } int s = 2 * n + 1, t = s + 1; for (int i = 1; i <= n; i++) AddEdge(s, i, 1), AddEdge(i, s, 0), AddEdge(t, i + n, 0), AddEdge(i + n, t, 1); while (bfs(s, t)) dfs(s, t, inf); for (int i = 1; i <= n; i++) { for (int j = fir[i]; j; j = nex[j]) { if (got[j] > n && !tak[j]) b[i][w] = v[i][got[j] - n].back(), v[i][got[j] - n].pop_back(); } } } for (int i = 1; i <= n; i++, putchar('\n')) for (int j = 1; j <= m; j++) printf("%d ", a[col(b[i][j])][j] = b[i][j]); for (int i = 1; i <= n; i++, putchar('\n')) for (int j = 1; j <= m; j++) printf("%d ", a[i][j]); return 0; }
#include <bits/stdc++.h> using namespace std; #define N 210 #define M 200010 #define inf 2147483647 #define col(x) (((x - 1) / m) + 1) inline int read() { int x = 0; char ch = getchar(); while (!isdigit(ch)) ch = getchar(); while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar(); return x; } int tot = 1; int fir[N], nex[M], got[M], tak[M]; inline void AddEdge(int x, int y, int z) { nex[++tot] = fir[x], fir[x] = tot, got[tot] = y, tak[tot] = z; } int a[N][N], b[N][N]; vector<int> v[N][N]; int dep[N], que[N]; inline int bfs(int s, int t) { memset(dep, 0, sizeof(dep)); int l = 1, r = 1; dep[s] = 1, que[1] = s; while (l <= r) { int x = que[l++]; for (int i = fir[x]; i; i = nex[i]) { int y = got[i]; if (dep[y] || !tak[i]) continue; dep[y] = dep[x] + 1, que[++r] = y; } } return dep[t]; } inline int dfs(int x, int t, int flow) { int rest = flow; if (x == t) return flow; for (int i = fir[x]; i && rest; i = nex[i]) { int y = got[i]; if (!tak[i] || dep[y] != dep[x] + 1) continue; int k = dfs(y, t, min(rest, tak[i])); if (!k) dep[y] = 0; tak[i] -= k, tak[i ^ 1] += k, rest -= k; } return flow - rest; } int main() { int n = read(), m = read(); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { a[i][j] = read(); v[i][col(a[i][j])].push_back(a[i][j]); } for (int w = 1; w <= m; w++) { tot = 1; memset(fir, 0, sizeof(fir)); for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) if (v[i][j].size()) { AddEdge(i, j + n, 1), AddEdge(j + n, i, 0); } int s = 2 * n + 1, t = s + 1; for (int i = 1; i <= n; i++) AddEdge(s, i, 1), AddEdge(i, s, 0), AddEdge(t, i + n, 0), AddEdge(i + n, t, 1); while (bfs(s, t)) dfs(s, t, inf); for (int i = 1; i <= n; i++) { for (int j = fir[i]; j; j = nex[j]) { if (got[j] > n && !tak[j]) b[i][w] = v[i][got[j] - n].back(), v[i][got[j] - n].pop_back(); } } } for (int i = 1; i <= n; i++, putchar('\n')) for (int j = 1; j <= m; j++) printf("%d ", a[col(b[i][j])][j] = b[i][j]); for (int i = 1; i <= n; i++, putchar('\n')) for (int j = 1; j <= m; j++) printf("%d ", a[i][j]); return 0; }
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p02942
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define pb push_back const int maxi = 1e6 + 10; int a[110][110], b[110][110]; string s; int n, m; vector<int> v[maxi]; set<pair<int, int>> st; int c[110][110]; int cnt[110][110]; int calc(int x) { int val = x / m; if (x % m != 0) val++; return val; } int main() { cin >> n >> m; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { scanf("%d", &a[i][j]); b[i][j] = a[i][j]; } for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { int val = calc(b[i][j]); cnt[j][val]++; } int nula = 0; while (true) { for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) for (int k = j + 1; k <= m; k++) if ((cnt[j][calc(b[i][j])] > 1 || cnt[k][calc(b[i][k])] > 1) && cnt[j][calc(b[i][j])] + cnt[k][calc(b[i][k])] >= cnt[j][calc(b[i][k])] + cnt[k][calc(b[i][j])]) { // cout<<"USAO :"<<i<<" "<<j<<" "<<k<<endl; cnt[j][calc(b[i][j])]--; cnt[k][calc(b[i][k])]--; cnt[j][calc(b[i][k])]++; cnt[k][calc(b[i][j])]++; swap(b[i][j], b[i][k]); nula++; } } if (!nula) break; nula = 0; } for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { int val = calc(b[i][j]); c[val][j] = b[i][j]; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", b[i][j]); printf("\n"); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", c[i][j]); printf("\n"); } return 0; }
#include <bits/stdc++.h> using namespace std; #define pb push_back const int maxi = 1e6 + 10; int a[110][110], b[110][110]; string s; int n, m; vector<int> v[maxi]; set<pair<int, int>> st; int c[110][110]; int cnt[110][110]; int calc(int x) { int val = x / m; if (x % m != 0) val++; return val; } int main() { cin >> n >> m; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { scanf("%d", &a[i][j]); b[i][j] = a[i][j]; } for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { int val = calc(b[i][j]); cnt[j][val]++; } int nula = 0; while (true) { for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) for (int k = j + 1; k <= m; k++) if (cnt[j][calc(b[i][j])] > 1 && cnt[k][calc(b[i][j])] == 0) { // cout<<"USAO :"<<i<<" "<<j<<" "<<k<<endl; cnt[j][calc(b[i][j])]--; cnt[k][calc(b[i][k])]--; cnt[j][calc(b[i][k])]++; cnt[k][calc(b[i][j])]++; swap(b[i][j], b[i][k]); nula++; } } if (!nula) break; nula = 0; } for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { int val = calc(b[i][j]); c[val][j] = b[i][j]; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", b[i][j]); printf("\n"); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) printf("%d ", c[i][j]); printf("\n"); } return 0; }
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TLE
p02942
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef unsigned long long int ull; typedef long long int ll; typedef pair<ll, ll> pll; typedef long double D; typedef complex<D> P; #define F first #define S second const ll E = 1e18 + 7; const ll MOD = 998244353; // 1000000007; template <typename T, typename U> istream &operator>>(istream &i, pair<T, U> &A) { i >> A.F >> A.S; return i; } template <typename T> istream &operator>>(istream &i, vector<T> &A) { for (auto &I : A) { i >> I; } return i; } template <typename T, typename U> ostream &operator<<(ostream &o, const pair<T, U> &A) { o << A.F << " " << A.S; return o; } template <typename T> ostream &operator<<(ostream &o, const vector<T> &A) { ll i = A.size(); for (auto &I : A) { o << I << (--i ? " " : ""); } return o; } template <typename T> vector<T> &cset(vector<T> &A, T e = T()) { for (auto &I : A) { I = e; } return A; } using Int = long long; // BEGIN CUT HERE template <typename T, bool directed> struct Dinic { struct edge { int to; T cap; int rev; edge() {} edge(int to, T cap, int rev) : to(to), cap(cap), rev(rev) {} }; vector<vector<edge>> G; vector<int> level, iter; Dinic() {} Dinic(int n) : G(n), level(n), iter(n) {} int add_edge(int from, int to, T cap) { G[from].emplace_back(to, cap, G[to].size()); G[to].emplace_back(from, directed ? 0 : cap, G[from].size() - 1); return G[to].back().rev; } void bfs(int s) { fill(level.begin(), level.end(), -1); queue<int> que; level[s] = 0; que.emplace(s); while (!que.empty()) { int v = que.front(); que.pop(); for (int i = 0; i < (int)G[v].size(); i++) { edge &e = G[v][i]; if (e.cap > 0 && level[e.to] < 0) { level[e.to] = level[v] + 1; que.emplace(e.to); } } } } T dfs(int v, int t, T f) { if (v == t) return f; for (int &i = iter[v]; i < (int)G[v].size(); i++) { edge &e = G[v][i]; if (e.cap > 0 && level[v] < level[e.to]) { T d = dfs(e.to, t, min(f, e.cap)); if (d == 0) continue; e.cap -= d; G[e.to][e.rev].cap += d; return d; } } return 0; } T flow(int s, int t, T lim) { T fl = 0; while (1) { bfs(s); if (level[t] < 0 || lim == 0) break; fill(iter.begin(), iter.end(), 0); while (1) { T f = dfs(s, t, lim); if (f == 0) break; fl += f; lim -= f; } } return fl; } T flow(int s, int t) { return flow(s, t, numeric_limits<T>::max() / 2); } T cut(int s, int t, int x, int a) { static_assert(directed, "must be directed"); auto &e = G[x][a]; int y = e.to; T ce = e.cap, cr = G[y][e.rev].cap; if (cr == 0) return 0; e.cap = G[y][e.rev].cap = 0; T cap = cr - flow(x, y, cr); if (x != s && cap != 0) flow(x, s, cap); if (t != y && cap != 0) flow(t, y, cap); e.cap = ce + cr; return cap; } }; // END CUT HERE int main() { int N, M; cin >> N >> M; vector<vector<int>> A(N, vector<int>(M)); vector<vector<int>> one(N, vector<int>(M)); vector<vector<int>> cnt(N, vector<int>(N, 0)); cin >> A; for (auto &I : A) { for (auto &J : I) { J--; } } for (int i = 0; i < N; i++) { for (int j = 0; j < M; j++) { cnt[i][A[i][j] / M]++; } } for (int i = 0; i < M; i++) { Dinic<int, true> fl(2 + N + N); int s = 2 * N; int g = s + 1; int c = 0; int m = N; for (int j = 0; j < N; j++) { for (int k = 0; k < N; k++) { if (cnt[j][k]) { fl.add_edge(c + j, m + k, 1); } } fl.add_edge(s, c + j, 1); fl.add_edge(m + j, g, 1); } fl.flow(s, g); for (int j = 0; j < N; i++) { for (auto &e : fl.G[c + j]) { if (e.cap == 0 && e.to != s) { one[j][i] = e.to - m; cnt[j][e.to - m]--; } } } } for (int i = 0; i < N; i++) { for (int j = 0; j < M; j++) { for (int k = 0; k < M; k++) { if (A[i][k] != -1 && A[i][k] / M == one[i][j]) { one[i][j] = A[i][k]; A[i][k] = -1; break; } } } } for (auto &I : one) { for (auto &J : I) { J++; } } for (auto &I : one) { cout << I << endl; } for (int j = 0; j < M; j++) { vector<ll> X(N); for (int i = 0; i < N; i++) { X[i] = one[i][j]; } sort(X.begin(), X.end()); for (int i = 0; i < N; i++) { one[i][j] = X[i]; } } for (auto &I : one) { cout << I << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef unsigned long long int ull; typedef long long int ll; typedef pair<ll, ll> pll; typedef long double D; typedef complex<D> P; #define F first #define S second const ll E = 1e18 + 7; const ll MOD = 998244353; // 1000000007; template <typename T, typename U> istream &operator>>(istream &i, pair<T, U> &A) { i >> A.F >> A.S; return i; } template <typename T> istream &operator>>(istream &i, vector<T> &A) { for (auto &I : A) { i >> I; } return i; } template <typename T, typename U> ostream &operator<<(ostream &o, const pair<T, U> &A) { o << A.F << " " << A.S; return o; } template <typename T> ostream &operator<<(ostream &o, const vector<T> &A) { ll i = A.size(); for (auto &I : A) { o << I << (--i ? " " : ""); } return o; } template <typename T> vector<T> &cset(vector<T> &A, T e = T()) { for (auto &I : A) { I = e; } return A; } using Int = long long; // BEGIN CUT HERE template <typename T, bool directed> struct Dinic { struct edge { int to; T cap; int rev; edge() {} edge(int to, T cap, int rev) : to(to), cap(cap), rev(rev) {} }; vector<vector<edge>> G; vector<int> level, iter; Dinic() {} Dinic(int n) : G(n), level(n), iter(n) {} int add_edge(int from, int to, T cap) { G[from].emplace_back(to, cap, G[to].size()); G[to].emplace_back(from, directed ? 0 : cap, G[from].size() - 1); return G[to].back().rev; } void bfs(int s) { fill(level.begin(), level.end(), -1); queue<int> que; level[s] = 0; que.emplace(s); while (!que.empty()) { int v = que.front(); que.pop(); for (int i = 0; i < (int)G[v].size(); i++) { edge &e = G[v][i]; if (e.cap > 0 && level[e.to] < 0) { level[e.to] = level[v] + 1; que.emplace(e.to); } } } } T dfs(int v, int t, T f) { if (v == t) return f; for (int &i = iter[v]; i < (int)G[v].size(); i++) { edge &e = G[v][i]; if (e.cap > 0 && level[v] < level[e.to]) { T d = dfs(e.to, t, min(f, e.cap)); if (d == 0) continue; e.cap -= d; G[e.to][e.rev].cap += d; return d; } } return 0; } T flow(int s, int t, T lim) { T fl = 0; while (1) { bfs(s); if (level[t] < 0 || lim == 0) break; fill(iter.begin(), iter.end(), 0); while (1) { T f = dfs(s, t, lim); if (f == 0) break; fl += f; lim -= f; } } return fl; } T flow(int s, int t) { return flow(s, t, numeric_limits<T>::max() / 2); } T cut(int s, int t, int x, int a) { static_assert(directed, "must be directed"); auto &e = G[x][a]; int y = e.to; T ce = e.cap, cr = G[y][e.rev].cap; if (cr == 0) return 0; e.cap = G[y][e.rev].cap = 0; T cap = cr - flow(x, y, cr); if (x != s && cap != 0) flow(x, s, cap); if (t != y && cap != 0) flow(t, y, cap); e.cap = ce + cr; return cap; } }; // END CUT HERE int main() { int N, M; cin >> N >> M; vector<vector<int>> A(N, vector<int>(M)); vector<vector<int>> one(N, vector<int>(M)); vector<vector<int>> cnt(N, vector<int>(N, 0)); cin >> A; for (auto &I : A) { for (auto &J : I) { J--; } } for (int i = 0; i < N; i++) { for (int j = 0; j < M; j++) { cnt[i][A[i][j] / M]++; } } for (int i = 0; i < M; i++) { Dinic<int, true> fl(2 + N + N); int s = 2 * N; int g = s + 1; int c = 0; int m = N; for (int j = 0; j < N; j++) { for (int k = 0; k < N; k++) { if (cnt[j][k]) { fl.add_edge(c + j, m + k, 1); } } fl.add_edge(s, c + j, 1); fl.add_edge(m + j, g, 1); } assert(fl.flow(s, g) == N); for (int j = 0; j < N; j++) { for (auto &e : fl.G[c + j]) { if (e.cap == 0 && e.to != s) { one[j][i] = e.to - m; cnt[j][e.to - m]--; } } } } for (int i = 0; i < N; i++) { for (int j = 0; j < M; j++) { for (int k = 0; k < M; k++) { if (A[i][k] != -1 && A[i][k] / M == one[i][j]) { one[i][j] = A[i][k]; A[i][k] = -1; break; } } } } for (auto &I : one) { for (auto &J : I) { J++; } } for (auto &I : one) { cout << I << endl; } for (int j = 0; j < M; j++) { vector<ll> X(N); for (int i = 0; i < N; i++) { X[i] = one[i][j]; } sort(X.begin(), X.end()); for (int i = 0; i < N; i++) { one[i][j] = X[i]; } } for (auto &I : one) { cout << I << endl; } return 0; }
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-11
p02942
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define int long long #define PP pair<int, pair<int, int>> const int MAX = 510000; const int MOD = 998244353; const int INV2 = (MOD + 1) / 2; signed main() { int n, m; cin >> n >> m; int a[n][m]; pair<int, int> ichi[n * m + 1]; for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) { cin >> a[i][j]; ichi[a[i][j]] = make_pair(i, j); } int ten[n][m]; for (int i = 1; i <= n * m; i++) { ten[(i - 1) / m][(i - 1) % m] = ichi[i].first; int i0 = a[ichi[i].first][(i - 1) % m], j = ichi[i].second, i1 = ichi[i].first; if (j == (i - 1) % m) continue; swap(a[ichi[i].first][(i - 1) % m], a[ichi[i].first][ichi[i].second]); while ((i0 - 1) / m < (i - 1) / m) { swap(a[ten[(i0 - 1) / m][j]][j], a[ten[(i0 - 1) / m][j]][(i - 1) % m]); i1 = ten[(i0 - 1) / m][j]; i0 = a[ten[(i0 - 1) / m][j]][j]; } // cerr<<i0<<' '<<i1<<endl; ichi[i0] = make_pair(i1, j); } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) cout << a[i][j] << ' '; cout << endl; } int b[m][n]; for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) b[j][i] = a[i][j]; for (int i = 0; i < m; i++) sort(b[i], b[i] + n); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) cout << b[j][i] << ' '; cout << endl; } }
#include <bits/stdc++.h> using namespace std; #define int long long #define PP pair<int, pair<int, int>> const int MAX = 510000; const int MOD = 998244353; const int INV2 = (MOD + 1) / 2; signed main() { int n, m; cin >> n >> m; int a[n][m]; pair<int, int> ichi[n * m + 1]; for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) { cin >> a[i][j]; ichi[a[i][j]] = make_pair(i, j); } int ten[n][m]; for (int i = 1; i <= n * m; i++) { ten[(i - 1) / m][(i - 1) % m] = ichi[i].first; int i0 = a[ichi[i].first][(i - 1) % m], j = ichi[i].second, i1 = ichi[i].first; if (j == (i - 1) % m) continue; swap(a[ichi[i].first][(i - 1) % m], a[ichi[i].first][ichi[i].second]); while ((i0 - 1) / m < (i - 1) / m) { swap(a[ten[(i0 - 1) / m][j]][j], a[ten[(i0 - 1) / m][j]][(i - 1) % m]); i1 = ten[(i0 - 1) / m][j]; swap(ten[(i0 - 1) / m][j], ten[(i0 - 1) / m][(i - 1) % m]); i0 = a[ten[(i0 - 1) / m][(i - 1) % m]][j]; } // cerr<<i0<<' '<<i1<<endl; ichi[i0] = make_pair(i1, j); } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) cout << a[i][j] << ' '; cout << endl; } int b[m][n]; for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) b[j][i] = a[i][j]; for (int i = 0; i < m; i++) sort(b[i], b[i] + n); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) cout << b[j][i] << ' '; cout << endl; } }
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TLE
p02942
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define f(a, b, c) for (int a = (b); a <= (c); ++a) const int maxn = 2e4 + 1; int he[maxn], ne[maxn], to[maxn], w[maxn], cnt = 1; inline void addedge(int x, int y, int z) { ne[++cnt] = he[x], he[x] = cnt, to[cnt] = y, w[cnt] = z; ne[++cnt] = he[y], he[y] = cnt, to[cnt] = x, w[cnt] = 0; } int S, T; int dis[maxn], inq[maxn]; int bfs() { f(i, 1, T) inq[i] = dis[i] = 0; queue<int> q; q.push(S), dis[S] = 1; while (q.size()) { int x = q.front(); q.pop(); inq[x] = 0; for (int i = he[x]; i; i = ne[i]) { if (w[i] && !dis[to[i]]) { dis[to[i]] = dis[x] + 1; if (!inq[to[i]]) { inq[to[i]] = 1; q.push(to[i]); } } } } return dis[T]; } int cur[maxn]; int dfs(int x, int f) { if (f == 0 || x == T) return f; int ans = 0; for (int i = cur[x]; i && ans < f; i = ne[i]) { cur[x] = i; if (dis[x] + 1 == dis[to[i]] && w[i]) { int qwq = dfs(to[i], min(f - ans, w[i])); ans += qwq; w[i] -= qwq; w[i ^ 1] += qwq; } } return ans; } int dinic() { int ans = 0; while (bfs()) { f(i, 1, T) cur[i] = he[i]; ans += dfs(S, 1e9); } return ans; } vector<int> c[101][101]; int n, m; int a[101][101]; int e[101][101]; int b[101][101]; void clear() { cnt = 1; f(i, 1, T) he[i] = 0; } int qwq[101]; int main() { scanf("%d%d", &n, &m); f(i, 1, n) f(j, 1, m) scanf("%d", &a[i][j]), c[i][(a[i][j] - 1) / m + 1].push_back(a[i][j]); S = n + n + 1, T = S + 1; f(k, 1, m) { // cout<<k<<":\n"; f(i, 1, n) f(j, 1, n) { e[i][j] = -1; if (c[i][j].size()) { addedge(i, n + j, 1); e[i][j] = cnt - 1; // cout<<i<<" "<<j<<"\n"; } } f(i, 1, n) { addedge(S, i, 1); addedge(i + n, T, 1); } dinic(); f(i, 1, n) f(j, 1, n) { if (e[i][j] >= 0 && w[e[i][j]] == 0) { b[i][k] = c[i][j][c[i][j].size() - 1]; c[i][j].pop_back(); break; } } clear(); } f(i, 1, n) f(j, 1, m) printf("%d%c", b[i][j], " \n"[j == m]); f(j, 1, m) { f(i, 1, n) qwq[i] = b[i][j]; sort(qwq + 1, qwq + n + 1); f(i, 1, n) b[i][j] = qwq[i]; } f(i, 1, n) f(j, 1, m) printf("%d%c", b[i][j], " \n"[j == m]); return 0; }
#include <bits/stdc++.h> using namespace std; #define f(a, b, c) for (int a = (b); a <= (c); ++a) const int maxn = 3e4 + 2; int he[maxn], ne[maxn], to[maxn], w[maxn], cnt = 1; inline void addedge(int x, int y, int z) { ne[++cnt] = he[x], he[x] = cnt, to[cnt] = y, w[cnt] = z; ne[++cnt] = he[y], he[y] = cnt, to[cnt] = x, w[cnt] = 0; } int S, T; int dis[maxn], inq[maxn]; int bfs() { f(i, 1, T) inq[i] = dis[i] = 0; queue<int> q; q.push(S), dis[S] = 1; while (q.size()) { int x = q.front(); q.pop(); inq[x] = 0; for (int i = he[x]; i; i = ne[i]) { if (w[i] && !dis[to[i]]) { dis[to[i]] = dis[x] + 1; if (!inq[to[i]]) { inq[to[i]] = 1; q.push(to[i]); } } } } return dis[T]; } int cur[maxn]; int dfs(int x, int f) { if (f == 0 || x == T) return f; int ans = 0; for (int i = cur[x]; i && ans < f; i = ne[i]) { cur[x] = i; if (dis[x] + 1 == dis[to[i]] && w[i]) { int qwq = dfs(to[i], min(f - ans, w[i])); ans += qwq; w[i] -= qwq; w[i ^ 1] += qwq; } } return ans; } int dinic() { int ans = 0; while (bfs()) { f(i, 1, T) cur[i] = he[i]; ans += dfs(S, 1e9); } return ans; } vector<int> c[101][101]; int n, m; int a[101][101]; int e[101][101]; int b[101][101]; void clear() { cnt = 1; f(i, 1, T) he[i] = 0; } int qwq[101]; int main() { scanf("%d%d", &n, &m); f(i, 1, n) f(j, 1, m) scanf("%d", &a[i][j]), c[i][(a[i][j] - 1) / m + 1].push_back(a[i][j]); S = n + n + 1, T = S + 1; f(k, 1, m) { // cout<<k<<":\n"; f(i, 1, n) f(j, 1, n) { e[i][j] = -1; if (c[i][j].size()) { addedge(i, n + j, 1); e[i][j] = cnt - 1; // cout<<i<<" "<<j<<"\n"; } } f(i, 1, n) { addedge(S, i, 1); addedge(i + n, T, 1); } dinic(); f(i, 1, n) f(j, 1, n) { if (e[i][j] >= 0 && w[e[i][j]] == 0) { b[i][k] = c[i][j][c[i][j].size() - 1]; c[i][j].pop_back(); break; } } clear(); } f(i, 1, n) f(j, 1, m) printf("%d%c", b[i][j], " \n"[j == m]); f(j, 1, m) { f(i, 1, n) qwq[i] = b[i][j]; sort(qwq + 1, qwq + n + 1); f(i, 1, n) b[i][j] = qwq[i]; } f(i, 1, n) f(j, 1, m) printf("%d%c", b[i][j], " \n"[j == m]); return 0; }
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TLE
p02942
C++
Time Limit Exceeded
#include <cstdio> #include <cstring> #include <iostream> #include <vector> #define MN 210 #define MM 20100 int h[MN], nxt[MM], to[MM], cap[MM], K = 1; int q[MN], hh = 0, tt = 0; int iter[MN], d[MN]; int A[MN][MN], B[MN][MN], C[MN][MN]; std::vector<int> cnt[MN][MN]; void ins(int u, int v, int c) { nxt[++K] = h[u]; h[u] = K; to[K] = v; cap[K] = c; } void insw(int u, int v, int c) { ins(u, v, c); ins(v, u, 0); } bool bfs(int S, int T) { memcpy(iter, h, sizeof(h)); memset(d, 0, sizeof(d)); d[S] = 1; hh = tt = 0; q[tt++] = S; while (hh < tt) { int u = q[hh++]; for (int i = h[u]; i; i = nxt[i]) if (cap[i] && !d[to[i]]) { d[to[i]] = d[u] + 1; q[tt++] = to[i]; } } return d[T]; } int dfs(int u, int T, int f) { if (u == T) return f; int used = 0; for (int &i = iter[u]; i; i = nxt[i]) { if (cap[i] && d[to[i]] == d[u] + 1) { int w = dfs(to[i], T, std::min(cap[i], f - used)); if (w) { cap[i] -= w; cap[i ^ 1] += w; used += w; if (f == used) return f; } } } return used; } int dinic(int S, int T) { int w, f = 0; while (bfs(S, T)) while (w = dfs(S, T, 1e9)) f += w; return f; } int main() { int n, m; scanf("%d%d", &n, &m); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { scanf("%d", &A[i][j]); cnt[i][(A[i][j] - 1) / m + 1].push_back(A[i][j]); } int S = 2 * n + 1, T = 2 * n + 2; for (int i = 1; i <= m; i++) { memset(h, 0, sizeof(h)); K = 1; for (int j = 1; j <= n; j++) for (int k = 1; k <= n; k++) if (cnt[j][k].size()) insw(j, n + k, 1); for (int j = 1; j <= n; j++) insw(S, j, 1), insw(j + n, T, 1); dinic(S, T); for (int j = 1; j <= n; j++) for (int x = h[j]; x; x = nxt[x]) if (!cap[x] && n + 1 <= to[x] && to[x] <= 2 * n) B[j][i] = cnt[j][to[x] - n].back(), cnt[j][to[x] - n].pop_back(); } for (int i = 1; i <= n; i++, puts("")) for (int j = 1; j <= m; j++) { C[(B[i][j] - 1) / m + 1][j] = B[i][j]; printf("%d ", B[i][j]); } for (int i = 1; i <= n; i++, puts("")) for (int j = 1; j <= m; j++) printf("%d ", C[i][j]); }
#include <cstdio> #include <cstring> #include <iostream> #include <vector> #define MN 210 #define MM 21000 int h[MN], nxt[MM], to[MM], cap[MM], K = 1; int q[MN], hh = 0, tt = 0; int iter[MN], d[MN]; int A[MN][MN], B[MN][MN], C[MN][MN]; std::vector<int> cnt[MN][MN]; void ins(int u, int v, int c) { nxt[++K] = h[u]; h[u] = K; to[K] = v; cap[K] = c; } void insw(int u, int v, int c) { ins(u, v, c); ins(v, u, 0); } bool bfs(int S, int T) { memcpy(iter, h, sizeof(h)); memset(d, 0, sizeof(d)); d[S] = 1; hh = tt = 0; q[tt++] = S; while (hh < tt) { int u = q[hh++]; for (int i = h[u]; i; i = nxt[i]) if (cap[i] && !d[to[i]]) { d[to[i]] = d[u] + 1; q[tt++] = to[i]; } } return d[T]; } int dfs(int u, int T, int f) { if (u == T) return f; int used = 0; for (int &i = iter[u]; i; i = nxt[i]) { if (cap[i] && d[to[i]] == d[u] + 1) { int w = dfs(to[i], T, std::min(cap[i], f - used)); if (w) { cap[i] -= w; cap[i ^ 1] += w; used += w; if (f == used) return f; } } } return used; } int dinic(int S, int T) { int w, f = 0; while (bfs(S, T)) while (w = dfs(S, T, 1e9)) f += w; return f; } int main() { int n, m; scanf("%d%d", &n, &m); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { scanf("%d", &A[i][j]); cnt[i][(A[i][j] - 1) / m + 1].push_back(A[i][j]); } int S = 2 * n + 1, T = 2 * n + 2; for (int i = 1; i <= m; i++) { memset(h, 0, sizeof(h)); K = 1; for (int j = 1; j <= n; j++) for (int k = 1; k <= n; k++) if (cnt[j][k].size()) insw(j, n + k, 1); for (int j = 1; j <= n; j++) insw(S, j, 1), insw(j + n, T, 1); dinic(S, T); for (int j = 1; j <= n; j++) for (int x = h[j]; x; x = nxt[x]) if (!cap[x] && n + 1 <= to[x] && to[x] <= 2 * n) B[j][i] = cnt[j][to[x] - n].back(), cnt[j][to[x] - n].pop_back(); } for (int i = 1; i <= n; i++, puts("")) for (int j = 1; j <= m; j++) { C[(B[i][j] - 1) / m + 1][j] = B[i][j]; printf("%d ", B[i][j]); } for (int i = 1; i <= n; i++, puts("")) for (int j = 1; j <= m; j++) printf("%d ", C[i][j]); }
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TLE
p02942
C++
Runtime Error
#include <algorithm> #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <vector> using namespace std; typedef long long ll; const int MAXN = 105; int n, m, a[MAXN][MAXN]; vector<int> gr[MAXN][MAXN]; inline void addEdge(int u, int v, int c) { gr[u][v].push_back(c), gr[v][u].push_back(c); } int match[MAXN << 2]; bool vis[MAXN << 2]; inline bool dfs(int u) { for (int i = n + 1; i <= 2 * n; i++) if (!vis[i] && !gr[u][i].empty()) { vis[i] = true; if (match[i] < 0 || dfs(match[i])) { match[i] = u; return true; } } return false; } inline int calc(int x) { return (x - 1) / m + 1; } int ansb[MAXN][MAXN], tmp[MAXN], ansc[MAXN][MAXN]; int main() { cin >> n >> m; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) cin >> a[i][j]; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) addEdge(i, n + calc(a[i][j]), a[i][j]); for (int i = 1; i <= m; i++) { memset(match, -1, sizeof(match)); for (int j = 1; j <= n; j++) { memset(vis, 0, sizeof(vis)); dfs(j); } for (int j = n + 1; j <= 2 * n; j++) { ansb[match[j]][i] = gr[j][match[j]][gr[j][match[j]].size() - 1]; gr[j][match[j]].pop_back(), gr[match[j]][j].pop_back(); } } for (int i = 1; i <= m; i++) { for (int j = 1; j <= n; j++) tmp[j] = ansb[j][i]; sort(tmp + 1, tmp + n + 1); for (int j = 1; j <= n; j++) ansc[j][i] = tmp[j]; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) cout << ansb[i][j] << " "; cout << endl; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) cout << ansc[i][j] << " "; cout << endl; } return 0; }
#include <algorithm> #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <vector> using namespace std; typedef long long ll; const int MAXN = 505; int n, m, a[MAXN][MAXN]; vector<int> gr[MAXN][MAXN]; inline void addEdge(int u, int v, int c) { gr[u][v].push_back(c), gr[v][u].push_back(c); } int match[MAXN << 2]; bool vis[MAXN << 2]; inline bool dfs(int u) { for (int i = n + 1; i <= 2 * n; i++) if (!vis[i] && !gr[u][i].empty()) { vis[i] = true; if (match[i] < 0 || dfs(match[i])) { match[i] = u; return true; } } return false; } inline int calc(int x) { return (x - 1) / m + 1; } int ansb[MAXN][MAXN], tmp[MAXN], ansc[MAXN][MAXN]; int main() { cin >> n >> m; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) cin >> a[i][j]; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) addEdge(i, n + calc(a[i][j]), a[i][j]); for (int i = 1; i <= m; i++) { memset(match, -1, sizeof(match)); for (int j = 1; j <= n; j++) { memset(vis, 0, sizeof(vis)); dfs(j); } for (int j = n + 1; j <= 2 * n; j++) { ansb[match[j]][i] = gr[j][match[j]][gr[j][match[j]].size() - 1]; gr[j][match[j]].pop_back(), gr[match[j]][j].pop_back(); } } for (int i = 1; i <= m; i++) { for (int j = 1; j <= n; j++) tmp[j] = ansb[j][i]; sort(tmp + 1, tmp + n + 1); for (int j = 1; j <= n; j++) ansc[j][i] = tmp[j]; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) cout << ansb[i][j] << " "; cout << endl; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) cout << ansc[i][j] << " "; cout << endl; } return 0; }
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