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p02584
C++
Time Limit Exceeded
#include <algorithm> #include <cmath> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; long long MOD = 1000000007LL; const double PI = 3.14159265358979323846; #undef INT_MIN #undef INT_MAX #define INT_MIN -2147483648 #define INT_MAX 2147483647 #define endl "\n" int main() { long long X, K, D; cin >> X >> K >> D; while (1) { if ((abs(X) <= D && K % 2 == 0) || K == 0) { break; } if (X < 0) X += D; else X -= D; --K; } cout << abs(X) << endl; return 0; }
#include <algorithm> #include <cmath> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; long long MOD = 1000000007LL; const double PI = 3.14159265358979323846; #undef INT_MIN #undef INT_MAX #define INT_MIN -2147483648 #define INT_MAX 2147483647 #define endl "\n" int main() { long long X, K, D; cin >> X >> K >> D; while (1) { if ((abs(X) <= D && K % 2 == 0) || K == 0) { break; } if (X < 0) { if (D <= abs(X)) { long long buf = min(abs(X) / D, K); K -= buf; X = X + buf * D; } else { X += D; --K; } } else { if (D <= X) { long long buf = min(X / D, K); K -= buf; X = X - buf * D; } else { X -= D; --K; } } } cout << abs(X) << endl; return 0; }
replace
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TLE
p02584
C++
Time Limit Exceeded
#include <algorithm> #include <cstdlib> #include <iostream> #include <string> #include <vector> using namespace std; int main() { long x, k, d; cin >> x >> k >> d; long kk = abs(x) + d; // 距離 long nn = 0; // 何回でアウトしたか for (long i = 1; i <= k; i++) { if (x > 0) { x -= d; } else { x += d; } if (kk >= abs(x - 0)) { kk = abs(x - 0); nn = i; } else { break; } } long nokori = k - nn; if (nokori % 2 == 0) cout << kk; else cout << abs(kk - d); return 0; }
#include <algorithm> #include <cstdlib> #include <iostream> #include <string> #include <vector> using namespace std; int main() { long x, k, d; cin >> x >> k >> d; long kk = abs(x) + d; // 距離 long nn = 0; // 何回でアウトしたか nn = abs(x) / d; if (nn > k) nn = k; kk = abs(x) - nn * d; long nokori = k - nn; if (nokori % 2 == 0) cout << kk; else cout << abs(kk - d); return 0; }
replace
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TLE
p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define ll long long #define mp make_pair #define F first #define S second int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long double x, k, d; cin >> x >> k >> d; ll y = k; if (y % 2 != 0) { long double r = (k + 1) / 2; long double l = (-1) * (r - 1); long double temp = l; long double mid; while (l < r) { mid = (ll)((l + r) / 2); if ((2 * mid - 1) * d + x >= 0) { r = mid; } else { l = mid + 1; } } if (l == temp) { cout << (ll)abs(x + (2 * l - 1) * d) << endl; } else { cout << (ll)min(abs(x + (2 * l - 1) * d), abs(x + (2 * l - 3) * d)) << endl; } } else { long double r = k / 2; long double l = (-1) * r; long double temp = l, mid; while (l < r) { mid = floor(((l + r) / 2)); if (2 * mid * d + x >= 0) { r = mid; } else { l = mid + 1; } } if (l == temp) { cout << (ll)abs(x + 2 * l * d) << endl; } else { cout << (ll)min(abs(x + 2 * l * d), abs(x + (2 * l - 2) * d)) << endl; } } }
#include <bits/stdc++.h> using namespace std; #define ll long long #define mp make_pair #define F first #define S second int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long double x, k, d; cin >> x >> k >> d; ll y = k; if (y % 2 != 0) { long double r = (k + 1) / 2; long double l = (-1) * (r - 1); long double temp = l; long double mid; while (l < r) { mid = floor((l + r) / 2); if ((2 * mid - 1) * d + x >= 0) { r = mid; } else { l = mid + 1; } } if (l == temp) { cout << (ll)abs(x + (2 * l - 1) * d) << endl; } else { cout << (ll)min(abs(x + (2 * l - 1) * d), abs(x + (2 * l - 3) * d)) << endl; } } else { long double r = k / 2; long double l = (-1) * r; long double temp = l, mid; while (l < r) { mid = floor(((l + r) / 2)); if (2 * mid * d + x >= 0) { r = mid; } else { l = mid + 1; } } if (l == temp) { cout << (ll)abs(x + 2 * l * d) << endl; } else { cout << (ll)min(abs(x + 2 * l * d), abs(x + (2 * l - 2) * d)) << endl; } } }
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TLE
p02584
Python
Runtime Error
X, K, D = map(int, input().split()) def f(C): NX = float("inf") if C > K: return NX if K % 2 == 0: if C % 2 == 0: NX = abs(abs(X) - C * D) else: NX = abs(abs(X) - (C + 1) * D) if C > 0: NX = min(NX, abs(abs(X) - (C - 1) * D)) else: if C % 2 == 0: NX = abs(NX, abs(X) - (C + 1) * D) if C > 0: NX = min(NX, abs(abs(X) - (C - 1) * D)) else: NX = abs(abs(X) - C * D) return NX C = min(abs(X) // D, K) print(min(f(C), f(C + 1)))
X, K, D = map(int, input().split()) def f(C): NX = float("inf") if C > K: return NX if K % 2 == 0: if C % 2 == 0: NX = abs(abs(X) - C * D) else: NX = abs(abs(X) - (C + 1) * D) if C > 0: NX = min(NX, abs(abs(X) - (C - 1) * D)) else: if C % 2 == 0: NX = abs(abs(X) - (C + 1) * D) if C > 0: NX = min(NX, abs(abs(X) - (C - 1) * D)) else: NX = abs(abs(X) - C * D) return NX C = min(abs(X) // D, K) print(min(f(C), f(C + 1)))
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p02584
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #ifdef LOCAL_DEBUG #include "/home/laxsuryavanshi/Desktop/cp/trace.hpp" #else #define trace(...) #endif // LOCAL_DEBUG int32_t main() { std::ios_base::sync_with_stdio(0); std::cin.tie(0); std::cout.tie(0); #ifdef LOCAL_INPUT freopen("in", "r", stdin); #endif typedef long long ll; ll x, k, d; cin >> x >> k >> d; if (k / abs(x) * d > 1) { k -= (abs(x) / d); auto nearest = abs(x) % d; if (nearest == 0) { if (k % 2 == 0) { cout << 0; return 0; } else { cout << d; return 0; } } if (x < 0) nearest = -nearest; if (k % 2 == 0) x = nearest; else { if (x < 0) { trace(1); x = (nearest + d); } else { trace(2, x, d); x = (nearest - d); } } trace(nearest); } else { if (x > 0ll) x -= k * d; else x += k * d; } cout << abs(x); }
#include <bits/stdc++.h> using namespace std; #ifdef LOCAL_DEBUG #include "/home/laxsuryavanshi/Desktop/cp/trace.hpp" #else #define trace(...) #endif // LOCAL_DEBUG int32_t main() { std::ios_base::sync_with_stdio(0); std::cin.tie(0); std::cout.tie(0); #ifdef LOCAL_INPUT freopen("in", "r", stdin); #endif typedef long long ll; ll x, k, d; cin >> x >> k >> d; if (static_cast<double>(k) / abs(x) * d > 1.) { k -= (abs(x) / d); auto nearest = abs(x) % d; if (nearest == 0) { if (k % 2 == 0) { cout << 0; return 0; } else { cout << d; return 0; } } if (x < 0) nearest = -nearest; if (k % 2 == 0) x = nearest; else { if (x < 0) { trace(1); x = (nearest + d); } else { trace(2, x, d); x = (nearest - d); } } trace(nearest); } else { if (x > 0ll) x -= k * d; else x += k * d; } cout << abs(x); }
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p02584
C++
Time Limit Exceeded
#include <algorithm> #include <bitset> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <set> #include <stdio.h> #include <string.h> #include <vector> constexpr long long INFLL = 1e18; using namespace std; using ll = long long; using P = pair<int, int>; int main() { ll x, k, d; cin >> x >> k >> d; map<ll, ll> check; bool c = false; check[x] = k; if (abs(x) / d > 0) { ll count = abs(x) / d; if (k >= count) { if (x > 0) { x = x - d * count; } else { x = x + d * count; } k -= count; } } while (k > 0) { if (x > 0) { x -= d; } else { x += d; } if (check[x] == 0) { check[x] = k; } else { c = true; k--; break; } k--; } if (c) { if (k % 2 == 0) { cout << abs(x) << endl; } else { if (x > 0) { x -= d; } else { x += d; } cout << abs(x) << endl; } } else { cout << abs(x) << endl; } return 0; }
#include <algorithm> #include <bitset> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <set> #include <stdio.h> #include <string.h> #include <vector> constexpr long long INFLL = 1e18; using namespace std; using ll = long long; using P = pair<int, int>; int main() { ll x, k, d; cin >> x >> k >> d; map<ll, ll> check; bool c = false; check[x] = k; if (abs(x) / d > 0) { ll count = abs(x) / d; if (k >= count) { if (x > 0) { x = x - d * count; } else { x = x + d * count; } k -= count; } else { if (x > 0) { x = x - d * k; } else { x = x + d * k; } k = 0; } } while (k > 0) { if (x > 0) { x -= d; } else { x += d; } if (check[x] == 0) { check[x] = k; } else { c = true; k--; break; } k--; } if (c) { if (k % 2 == 0) { cout << abs(x) << endl; } else { if (x > 0) { x -= d; } else { x += d; } cout << abs(x) << endl; } } else { cout << abs(x) << endl; } return 0; }
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p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int main() { long long a, d, c; cin >> a >> d >> c; for (long long i = 0; i < d; i++) { if (abs(a) <= c / 2) { i += ((d - i - 1) / 2) * 2; } if (a > 0) a -= c; else a += c; } cout << abs(a) << endl; }
#include <bits/stdc++.h> using namespace std; int main() { long long a, d, c; cin >> a >> d >> c; a = abs(a); long long step = min(d, a / c); d -= step; a -= step * c; if (d % 2 == 0) cout << a << endl; else cout << c - a << endl; }
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p02584
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { int64_t X, K, D; cin >> X >> K >> D; if (X < 0) { X = -X; } // D未満になるまでにかかる回数 int64_t num = X / D; assert(num <= K); if (num >= K) { cout << X - D * K << endl; return 0; } // D未満になったときの値 int64_t x = X - D * num; // 残り操作回数 int64_t rem = K - num; if (rem % 2 == 0) { cout << x << endl; } else { cout << D - x << endl; } }
#include <bits/stdc++.h> using namespace std; int main() { int64_t X, K, D; cin >> X >> K >> D; if (X < 0) { X = -X; } // D未満になるまでにかかる回数 int64_t num = X / D; if (num >= K) { cout << X - D * K << endl; return 0; } // D未満になったときの値 int64_t x = X - D * num; // 残り操作回数 int64_t rem = K - num; if (rem % 2 == 0) { cout << x << endl; } else { cout << D - x << endl; } }
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p02584
C++
Time Limit Exceeded
#include <algorithm> #include <cmath> #include <iostream> #include <map> #include <stdio.h> #include <string> #include <vector> using namespace std; typedef long long ll; ll ABS(ll a) { if (a < 0) return -a; else return a; } int main() { ll X, K, D; cin >> X >> K >> D; for (ll i = 0; i < K;) { if (ABS(X + D) > ABS(X - D)) { X = X - D; } else X = X + D; i++; if (ABS(X) <= D) { if ((K - i) % 2 == 0) break; else { if (ABS(X + D) > ABS(X - D)) { X = X - D; } else X = X + D; break; } } } cout << ABS(X) << endl; return 0; }
#include <algorithm> #include <cmath> #include <iostream> #include <map> #include <stdio.h> #include <string> #include <vector> using namespace std; typedef long long ll; ll ABS(ll a) { if (a < 0) return -a; else return a; } int main() { ll X, K, D; cin >> X >> K >> D; ll i = min(ABS(X) / D, K); X = ABS(X) - D * i; for (; i < K;) { if (ABS(X + D) > ABS(X - D)) { X = X - D; } else X = X + D; i++; if (ABS(X) <= D) { if ((K - i) % 2 == 0) break; else { if (ABS(X + D) > ABS(X - D)) { X = X - D; } else X = X + D; break; } } } cout << ABS(X) << endl; return 0; }
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p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (a); i < (int)(b); ++i) #define endl "\n" typedef long long ll; const double pi = 3.14159265358979323846; int ctoi(const char c) { if ('0' <= c && c <= '9') return (c - '0'); return -1; } vector<int> input(int n) { vector<int> vec(n); for (int i = 0; i < n; i++) { cin >> vec.at(i); } return vec; } void output(vector<int> vec) { for (int i = 0; i < int(vec.size()); i++) { cout << vec[i] << " "; } return; } vector<vector<int>> input(int n, int m) { vector<vector<int>> table(n, vector<int>(m)); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> table.at(i).at(j); } } return table; } void output(vector<vector<int>> table) { for (int i = 0; i < int(table.size()); i++) { for (int j = 0; j < int(table.at(0).size()); j++) { cout << table.at(i).at(j) << " "; } cout << endl; } } long long perm(int n, int r) { if (n < r) { cout << "error" << endl; return 0; } long long perm = 1; for (int i = n; i > n - r; i--) { perm *= i; } return perm; } long long comb(int n, int r) { if (n < r) { cout << "error" << endl; return 0; } long long comb = perm(n, r); for (int i = r; i > 0; i--) { comb /= i; } return comb; } long long homo(int n, int r) { return comb(n + r - 1, n - 1); } long long fact(int n) { long long fact = 1; for (int i = n; i > 0; i--) { fact *= i; } return fact; } int gcd(int a, int b) { if (a % b == 0) { return (b); } else { return (gcd(b, a % b)); } } int lcm(int a, int b) { return a * b / gcd(a, b); } bool isprime(int n) { if (n < 2) return false; else if (n == 2) return true; else if (n % 2 == 0) return false; for (int i = 3; i <= sqrt(n); i += 2) { if (n % i == 0) { return false; } } return true; } vector<long long> divisors(long long N) { vector<long long> res; for (long long i = 1; i * i <= N; ++i) { if (N % i == 0) { res.push_back(i); // 重複しないならば i の相方である N/i も push if (N / i != i) res.push_back(N / i); } } // 小さい順に並び替える sort(res.begin(), res.end()); return res; /*long long N; cin >> N; vector<long long> res = divisors(N); for (int i = 0; i < res.size(); ++i) { cout << res[i] << " "; } cout << endl;*/ } vector<pair<long long, long long>> prime_factorize(long long N) { vector<pair<long long, long long>> res; for (long long a = 2; a * a <= N; ++a) { if (N % a != 0) continue; long long ex = 0; while (N % a == 0) { ++ex; N /= a; } res.push_back({a, ex}); } if (N != 1) res.push_back({N, 1}); return res; } void Yes(bool f) { if (f) { cout << "Yes" << endl; } else { cout << "No" << endl; } } void YES(bool f) { if (f) { cout << "YES" << endl; } else { cout << "NO" << endl; } } bool leapyear(int y) { // 閏年かどうかを判定 if (y % 4 == 0) { if (y % 100 == 0) { if (y % 400 == 0) { return true; } else { return false; } } else { return true; } } else { return false; } } tuple<int, int, int> dayplus(int y, int m, int d) { // 次の日を返す // 31日まである月 if (m == 1 || m == 3 || m == 5 || m == 7 || m == 8 || m == 10 || m == 12) { if (d != 31) { d++; return make_tuple(y, m, d); } else { d = 1; if (m == 12) { m = 1; y++; return make_tuple(y, m, d); } else { m++; return make_tuple(y, m, d); } } } // 30日まである月 else if (m == 4 || m == 6 || m == 9 || m == 11) { if (d != 30) { d++; return make_tuple(y, m, d); } else { d = 1; m++; return make_tuple(y, m, d); } } // 2月 else { // 閏年の場合 if (leapyear(y)) { if (d != 29) { d++; return make_tuple(y, m, d); } else { d = 1; m++; return make_tuple(y, m, d); } } // 閏年ではない場合 else { if (d != 28) { d++; return make_tuple(y, m, d); } else { d = 1; m++; return make_tuple(y, m, d); } } } } tuple<int, int, int> monplus(int y, int m, int d) { // 月を一つ先に、日を一日にする d = 1; if (m == 12) { m = 1; y++; return make_tuple(y, m, d); } else { m++; return make_tuple(y, m, d); } } bool trican(int a, int b, int c) { if (a == b || b == c || c == a) { return false; } if (a + b > c && b + c > a && c + a > b) { return true; } else { return false; } } int main() { ll x, k, d; cin >> x >> k >> d; for (int i = 0; i < k; ++i) { x = min(abs(x + d), abs(x - d)); } cout << x << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (a); i < (int)(b); ++i) #define endl "\n" typedef long long ll; const double pi = 3.14159265358979323846; int ctoi(const char c) { if ('0' <= c && c <= '9') return (c - '0'); return -1; } vector<int> input(int n) { vector<int> vec(n); for (int i = 0; i < n; i++) { cin >> vec.at(i); } return vec; } void output(vector<int> vec) { for (int i = 0; i < int(vec.size()); i++) { cout << vec[i] << " "; } return; } vector<vector<int>> input(int n, int m) { vector<vector<int>> table(n, vector<int>(m)); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> table.at(i).at(j); } } return table; } void output(vector<vector<int>> table) { for (int i = 0; i < int(table.size()); i++) { for (int j = 0; j < int(table.at(0).size()); j++) { cout << table.at(i).at(j) << " "; } cout << endl; } } long long perm(int n, int r) { if (n < r) { cout << "error" << endl; return 0; } long long perm = 1; for (int i = n; i > n - r; i--) { perm *= i; } return perm; } long long comb(int n, int r) { if (n < r) { cout << "error" << endl; return 0; } long long comb = perm(n, r); for (int i = r; i > 0; i--) { comb /= i; } return comb; } long long homo(int n, int r) { return comb(n + r - 1, n - 1); } long long fact(int n) { long long fact = 1; for (int i = n; i > 0; i--) { fact *= i; } return fact; } int gcd(int a, int b) { if (a % b == 0) { return (b); } else { return (gcd(b, a % b)); } } int lcm(int a, int b) { return a * b / gcd(a, b); } bool isprime(int n) { if (n < 2) return false; else if (n == 2) return true; else if (n % 2 == 0) return false; for (int i = 3; i <= sqrt(n); i += 2) { if (n % i == 0) { return false; } } return true; } vector<long long> divisors(long long N) { vector<long long> res; for (long long i = 1; i * i <= N; ++i) { if (N % i == 0) { res.push_back(i); // 重複しないならば i の相方である N/i も push if (N / i != i) res.push_back(N / i); } } // 小さい順に並び替える sort(res.begin(), res.end()); return res; /*long long N; cin >> N; vector<long long> res = divisors(N); for (int i = 0; i < res.size(); ++i) { cout << res[i] << " "; } cout << endl;*/ } vector<pair<long long, long long>> prime_factorize(long long N) { vector<pair<long long, long long>> res; for (long long a = 2; a * a <= N; ++a) { if (N % a != 0) continue; long long ex = 0; while (N % a == 0) { ++ex; N /= a; } res.push_back({a, ex}); } if (N != 1) res.push_back({N, 1}); return res; } void Yes(bool f) { if (f) { cout << "Yes" << endl; } else { cout << "No" << endl; } } void YES(bool f) { if (f) { cout << "YES" << endl; } else { cout << "NO" << endl; } } bool leapyear(int y) { // 閏年かどうかを判定 if (y % 4 == 0) { if (y % 100 == 0) { if (y % 400 == 0) { return true; } else { return false; } } else { return true; } } else { return false; } } tuple<int, int, int> dayplus(int y, int m, int d) { // 次の日を返す // 31日まである月 if (m == 1 || m == 3 || m == 5 || m == 7 || m == 8 || m == 10 || m == 12) { if (d != 31) { d++; return make_tuple(y, m, d); } else { d = 1; if (m == 12) { m = 1; y++; return make_tuple(y, m, d); } else { m++; return make_tuple(y, m, d); } } } // 30日まである月 else if (m == 4 || m == 6 || m == 9 || m == 11) { if (d != 30) { d++; return make_tuple(y, m, d); } else { d = 1; m++; return make_tuple(y, m, d); } } // 2月 else { // 閏年の場合 if (leapyear(y)) { if (d != 29) { d++; return make_tuple(y, m, d); } else { d = 1; m++; return make_tuple(y, m, d); } } // 閏年ではない場合 else { if (d != 28) { d++; return make_tuple(y, m, d); } else { d = 1; m++; return make_tuple(y, m, d); } } } } tuple<int, int, int> monplus(int y, int m, int d) { // 月を一つ先に、日を一日にする d = 1; if (m == 12) { m = 1; y++; return make_tuple(y, m, d); } else { m++; return make_tuple(y, m, d); } } bool trican(int a, int b, int c) { if (a == b || b == c || c == a) { return false; } if (a + b > c && b + c > a && c + a > b) { return true; } else { return false; } } int main() { ll x, k, d; cin >> x >> k >> d; x = abs(x); if (x / d >= k) { cout << x - d * k << endl; } else { if ((x / d) % 2 == k % 2) { cout << abs(x % d) << endl; } else { cout << abs(x % d - d) << endl; } } }
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TLE
p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef unsigned long long ll; typedef __int128 LL; inline __int128 read() { __int128 x = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); } return x * f; } inline void print(__int128 x) { if (x < 0) { putchar('-'); x = -x; } if (x > 9) print(x / 10); putchar(x % 10 + '0'); } int main() { LL x, k, d; while (x = read(), k = read(), d = read()) { if (x < 0) x = -x; if (x >= 0) { if ((x - k * d) >= 0) { print(x - k * d); } else { int t = (x / d); if ((k - t) % 2) print(-(x - d * t - d)); else print(x - d * t); } } } return 0; }
#include <bits/stdc++.h> using namespace std; typedef unsigned long long ll; typedef __int128 LL; inline __int128 read() { __int128 x = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); } return x * f; } inline void print(__int128 x) { if (x < 0) { putchar('-'); x = -x; } if (x > 9) print(x / 10); putchar(x % 10 + '0'); } int main() { LL x, k, d; x = read(), k = read(), d = read(); if (x < 0) x = -x; if (x >= 0) { if ((x - k * d) >= 0) { print(x - k * d); } else { int t = (x / d); if ((k - t) % 2) print(-(x - d * t - d)); else print(x - d * t); } } return 0; }
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p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; long long MOD = 1e9 + 7; int MAX_INT = 1e9; // 最大公約数 long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } // 最小公倍数 long long lcm(long long a, long long b) { return a / gcd(a, b) * b; } int main(void) { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long X, K, D; cin >> X >> K >> D; X = abs(X); long long num = abs(X) / D; if (K >= num) { K -= num; X -= num * D; } for (K; K > 0; --K) { if (X <= 0) { break; } X -= D; } if (K % 2 == 0) { cout << abs(X) << endl; } else { cout << min(abs(X - D), abs(X + D)) << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; long long MOD = 1e9 + 7; int MAX_INT = 1e9; // 最大公約数 long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } // 最小公倍数 long long lcm(long long a, long long b) { return a / gcd(a, b) * b; } int main(void) { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long X, K, D; cin >> X >> K >> D; X = abs(X); long long num = abs(X) / D; if (K >= num) { K -= num; X -= num * D; } else { X -= K * D; K = 0; } for (K; K > 0; --K) { if (X <= 0) { break; } X -= D; } if (K % 2 == 0) { cout << abs(X) << endl; } else { cout << min(abs(X - D), abs(X + D)) << endl; } return 0; }
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TLE
p02584
C++
Time Limit Exceeded
#include <algorithm> #include <bits/stdc++.h> #include <cmath> #include <iomanip> #include <iostream> #include <list> #include <new> #include <queue> #include <stack> #include <string> #include <unordered_set> #include <utility> #include <vector> using namespace std; #define loop(i, x, z) for (int i = x; i < z; i++) using ll = unsigned long long int; #define mod 1000000007 /*bool cmp(pair<ll,ll>a,pair<ll,ll>b){ return a.second<b.second; }*/ int main() { ll x, k, d; cin >> x >> k >> d; x = llabs(x); while (k > 0 && llabs(x) > d / 2) { k--; x = x - d; } if (k % 2 == 0) { cout << llabs(x); } else { x = min(llabs(x - d), llabs(x + d)); cout << x; } return 0; }
#include <algorithm> #include <bits/stdc++.h> #include <cmath> #include <iomanip> #include <iostream> #include <list> #include <new> #include <queue> #include <stack> #include <string> #include <unordered_set> #include <utility> #include <vector> using namespace std; #define loop(i, x, z) for (int i = x; i < z; i++) using ll = unsigned long long int; #define mod 1000000007 /*bool cmp(pair<ll,ll>a,pair<ll,ll>b){ return a.second<b.second; }*/ int main() { ll x, k, d; cin >> x >> k >> d; x = llabs(x); if (d == 1) { if (x >= k) { x = x - k; k = 0; } else { k = k - x; x = 0; } } while (k > 0 && llabs(x) > d / 2) { k--; x = x - d; } if (k % 2 == 0) { cout << llabs(x); } else { x = min(llabs(x - d), llabs(x + d)); cout << x; } return 0; }
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p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; #define _start \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define pb push_back #define ss second #define ff first #define ll long long #define int long long #define mk make_pair #define ld long double #define vi vector<int> #define pi pair<int, int> #define mod 1000000007 #define pqg priority_queue<int> #define pqs priority_queue<int, vi, greater<int>> #define forn(n) for (int i = 0; i < n; i++) #define w(t) \ int t; \ cin >> t; \ while (t--) #define kick(t) \ int t; \ cin >> t; \ for (int p = 0; p < t; p++) // typedef tree<ll, null_type, less<ll>, rb_tree_tag, // tree_order_statistics_node_update> oset; ll powmod(ll base, ll exp, ll MOD = mod) { ll res = 1; while (exp > 0) { if (exp % 2 == 1) res = (res * base) % MOD; base = (base * base) % MOD; exp /= 2; } return (res % MOD); } ll mul_inv(ll a, ll b = mod) { ll t1 = a, t2 = b, t3, v1 = 1, v2 = 0, v3; while (t2 != 1) { ll x = t1 / t2; t3 = t1 - x * t2; v3 = v1 - x * v2; t1 = t2, t2 = t3; v1 = v2, v2 = v3; } return (v2 + b) % b; } int32_t main() { _start int x, k, d; cin >> x >> k >> d; x = abs(x); while (x - d >= 0 && k) { x -= d; k--; } if (!k) cout << x << endl; else { if (k % 2 == 0) { cout << x << endl; } else { cout << min(x + d, abs(x - d)) << endl; } } }
#include <bits/stdc++.h> using namespace std; // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; #define _start \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define pb push_back #define ss second #define ff first #define ll long long #define int long long #define mk make_pair #define ld long double #define vi vector<int> #define pi pair<int, int> #define mod 1000000007 #define pqg priority_queue<int> #define pqs priority_queue<int, vi, greater<int>> #define forn(n) for (int i = 0; i < n; i++) #define w(t) \ int t; \ cin >> t; \ while (t--) #define kick(t) \ int t; \ cin >> t; \ for (int p = 0; p < t; p++) // typedef tree<ll, null_type, less<ll>, rb_tree_tag, // tree_order_statistics_node_update> oset; ll powmod(ll base, ll exp, ll MOD = mod) { ll res = 1; while (exp > 0) { if (exp % 2 == 1) res = (res * base) % MOD; base = (base * base) % MOD; exp /= 2; } return (res % MOD); } ll mul_inv(ll a, ll b = mod) { ll t1 = a, t2 = b, t3, v1 = 1, v2 = 0, v3; while (t2 != 1) { ll x = t1 / t2; t3 = t1 - x * t2; v3 = v1 - x * v2; t1 = t2, t2 = t3; v1 = v2, v2 = v3; } return (v2 + b) % b; } int32_t main() { _start int x, k, d; cin >> x >> k >> d; x = abs(x); int temp = x / d; if (temp >= k) { x -= (k * d); k = 0; } else { x -= (temp * d); k -= temp; } if (!k) cout << x << endl; else { if (k % 2 == 0) { cout << x << endl; } else { cout << min(x + d, abs(x - d)) << endl; } } }
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p02584
C++
Runtime Error
#include <bits/stdc++.h> #include <unistd.h> #define fi first #define se second #define rep(i, n) for (ll i = 0; i < (n); ++i) #define rep1(i, n) for (ll i = 1; i <= (n); ++i) #define rrep(i, n) for (ll i = (n)-1; i >= 0; --i) #define ALL(a) a.begin(), a.end() #define pb push_back #define dame \ { \ puts("-1"); \ return 0; \ } #define show(x) cerr << #x << " = " << x << endl; using namespace std; using ll = long long; using ld = long double; using pl = pair<ll, ll>; ll LINF = 1000000000000000000; typedef vector<ll> vl; typedef vector<pl> vp; 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; } struct UnionFind { vector<int> d; UnionFind(int n = 0) : d(n, -1) {} int root(int x) { if (d[x] < 0) return x; return d[x] = root(d[x]); } bool unite(int x, int y) { x = root(x); y = root(y); if (x == y) return false; if (d[x] > d[y]) swap(x, y); d[x] += d[y]; d[y] = x; return true; } bool same(int x, int y) { return root(x) == root(y); } int size(int x) { return -d[root(x)]; } int factor_size() { int ans = 0; rep(i, d.size()) { if (d[i] < 0) { ans++; } } return ans; } }; ll d[201][201]; void warshall_floyd(ll n) { rep(k, n) { rep(i, n) { rep(j, n) { d[i][j] = min(d[i][j], d[i][k] + d[k][j]); } } } } struct edge { ll to, cost; }; struct dijkstra { ll V; vector<vector<edge>> G; vector<ll> d; dijkstra(ll n) { init(n); } void init(ll n) { V = n; G.resize(V); d.resize(V); rep(i, V) { d[i] = LINF; } } void add_edge(ll s, ll t, ll cost) { edge e; e.to = t, e.cost = cost; G[s].push_back(e); } void run(ll s) { rep(i, V) { d[i] = LINF; } d[s] = 0; priority_queue<pl, vector<pl>, greater<pl>> que; que.push(pl(0, s)); while (!que.empty()) { pl p = que.top(); que.pop(); ll v = p.second; if (d[v] < p.first) continue; for (auto e : G[v]) { if (d[e.to] > d[v] + e.cost) { d[e.to] = d[v] + e.cost; que.push(pl(d[e.to], e.to)); } } } } }; // auto mod int // https://youtu.be/L8grWxBlIZ4?t=9858 // https://youtu.be/ERZuLAxZffQ?t=4807 : optimize // https://youtu.be/8uowVvQ_-Mo?t=1329 : division const ll mod = 1000000007; struct mint { ll x; // typedef long long ll; mint(ll x = 0) : x((x % mod + mod) % mod) {} mint operator-() const { return mint(-x); } mint &operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint &operator-=(const mint a) { if ((x += mod - a.x) >= mod) x -= mod; return *this; } mint &operator*=(const mint a) { (x *= a.x) %= mod; return *this; } mint operator+(const mint a) const { return mint(*this) += a; } mint operator-(const mint a) const { return mint(*this) -= a; } mint operator*(const mint a) const { return mint(*this) *= a; } mint pow(ll t) const { if (!t) return 1; mint a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod - 2); } mint &operator/=(const mint a) { return *this *= a.inv(); } mint operator/(const mint a) const { return mint(*this) /= a; } }; istream &operator>>(istream &is, const mint &a) { return is >> a.x; } ostream &operator<<(ostream &os, const mint &a) { return os << a.x; } // combination mod prime // https://www.youtube.com/watch?v=8uowVvQ_-Mo&feature=youtu.be&t=1619 struct combination { vector<mint> fact, ifact; combination(int n) : fact(n + 1), ifact(n + 1) { assert(n < mod); fact[0] = 1; for (int i = 1; i <= n; ++i) fact[i] = fact[i - 1] * i; ifact[n] = fact[n].inv(); for (int i = n; i >= 1; --i) ifact[i - 1] = ifact[i] * i; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; return fact[n] * ifact[k] * ifact[n - k]; } } comb(200005); // Sieve of Eratosthenes // https://youtu.be/UTVg7wzMWQc?t=2774 struct Sieve { int n; vector<int> f, primes; Sieve(int n = 1) : n(n), f(n + 1) { f[0] = f[1] = -1; for (ll i = 2; i <= n; ++i) { if (f[i]) continue; primes.push_back(i); f[i] = i; for (ll j = i * i; j <= n; j += i) { if (!f[j]) f[j] = i; } } } bool isPrime(int x) { return f[x] == x; } vector<int> factorList(int x) { vector<int> res; while (x != 1) { res.push_back(f[x]); x /= f[x]; } return res; } vector<pl> factor(int x) { vector<int> fl = factorList(x); if (fl.size() == 0) return {}; vector<pl> res(1, pl(fl[0], 0)); for (int p : fl) { if (res.back().first == p) { res.back().second++; } else { res.emplace_back(p, 1); } } return res; } vector<pair<ll, int>> factor(ll x) { vector<pair<ll, int>> res; for (int p : primes) { int y = 0; while (x % p == 0) x /= p, ++y; if (y != 0) res.emplace_back(p, y); } if (x != 1) res.emplace_back(x, 1); return res; } }; int main() { ll n, k; cin >> n >> k; vector<ll> p(n); vector<ll> c(n); rep(i, n) cin >> p[i]; rep(i, n) cin >> c[i]; vector<bool> visited(n, 0); ll ans = -1e10; ll idx = 0; bool ret = false; rep(i, n) { if (visited[i]) continue; vector<ll> s; s.pb(0); ll idx = i; while (true) { s.pb(s[s.size() - 1] + c[p[idx] - 1]); visited[idx] = true; idx = p[idx] - 1; if (idx == i) break; } ll x = s.size() - 1; rep1(j, x) s.pb(s[x] + s[j]); // rep(j, s.size()) show(s[j]); ll tmp1 = -1e10; ll tmp2 = -1e10; ll hasu = k % x; ll case1 = k / x; if (hasu == 0) hasu = x; ll threshold = hasu; // if(case1==0) threshold=hasu; // else threshold = 100000000000000000; // xrep(j, s.size()) show(s[j]); for (ll l = 0; l < s.size(); l++) { for (ll r = l + 1; r <= x + l; r++) { if (r - l > threshold or l == r or r >= s.size()) continue; // show(s[r] - s[l]); // show(s.size()); // show(r); // show(l); if (tmp1 < s[r] - s[l]) tmp1 = s[r] - s[l]; } } for (ll l = 0; l < s.size(); l++) { for (ll r = l + 1; r <= x + l; r++) { // show(s[r] - s[l]); if (r - l <= threshold or l == r or r >= s.size()) continue; if (tmp2 < s[r] - s[l]) tmp2 = s[r] - s[l]; } } show(tmp1); show(tmp2); if (s[x] < 0) { chmax(ans, tmp1); if (k / x > 0) chmax(ans, tmp2); } else { if (hasu != x) tmp1 += k / x * s[x]; else tmp1 += (k / x - 1) * s[x]; tmp2 += (k / x - 1) * s[x]; chmax(ans, tmp1); if (k / x > 0) chmax(ans, tmp2); } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #include <unistd.h> #define fi first #define se second #define rep(i, n) for (ll i = 0; i < (n); ++i) #define rep1(i, n) for (ll i = 1; i <= (n); ++i) #define rrep(i, n) for (ll i = (n)-1; i >= 0; --i) #define ALL(a) a.begin(), a.end() #define pb push_back #define dame \ { \ puts("-1"); \ return 0; \ } #define show(x) cerr << #x << " = " << x << endl; using namespace std; using ll = long long; using ld = long double; using pl = pair<ll, ll>; ll LINF = 1000000000000000000; typedef vector<ll> vl; typedef vector<pl> vp; 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; } struct UnionFind { vector<int> d; UnionFind(int n = 0) : d(n, -1) {} int root(int x) { if (d[x] < 0) return x; return d[x] = root(d[x]); } bool unite(int x, int y) { x = root(x); y = root(y); if (x == y) return false; if (d[x] > d[y]) swap(x, y); d[x] += d[y]; d[y] = x; return true; } bool same(int x, int y) { return root(x) == root(y); } int size(int x) { return -d[root(x)]; } int factor_size() { int ans = 0; rep(i, d.size()) { if (d[i] < 0) { ans++; } } return ans; } }; ll d[201][201]; void warshall_floyd(ll n) { rep(k, n) { rep(i, n) { rep(j, n) { d[i][j] = min(d[i][j], d[i][k] + d[k][j]); } } } } struct edge { ll to, cost; }; struct dijkstra { ll V; vector<vector<edge>> G; vector<ll> d; dijkstra(ll n) { init(n); } void init(ll n) { V = n; G.resize(V); d.resize(V); rep(i, V) { d[i] = LINF; } } void add_edge(ll s, ll t, ll cost) { edge e; e.to = t, e.cost = cost; G[s].push_back(e); } void run(ll s) { rep(i, V) { d[i] = LINF; } d[s] = 0; priority_queue<pl, vector<pl>, greater<pl>> que; que.push(pl(0, s)); while (!que.empty()) { pl p = que.top(); que.pop(); ll v = p.second; if (d[v] < p.first) continue; for (auto e : G[v]) { if (d[e.to] > d[v] + e.cost) { d[e.to] = d[v] + e.cost; que.push(pl(d[e.to], e.to)); } } } } }; // auto mod int // https://youtu.be/L8grWxBlIZ4?t=9858 // https://youtu.be/ERZuLAxZffQ?t=4807 : optimize // https://youtu.be/8uowVvQ_-Mo?t=1329 : division const ll mod = 1000000007; struct mint { ll x; // typedef long long ll; mint(ll x = 0) : x((x % mod + mod) % mod) {} mint operator-() const { return mint(-x); } mint &operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint &operator-=(const mint a) { if ((x += mod - a.x) >= mod) x -= mod; return *this; } mint &operator*=(const mint a) { (x *= a.x) %= mod; return *this; } mint operator+(const mint a) const { return mint(*this) += a; } mint operator-(const mint a) const { return mint(*this) -= a; } mint operator*(const mint a) const { return mint(*this) *= a; } mint pow(ll t) const { if (!t) return 1; mint a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod - 2); } mint &operator/=(const mint a) { return *this *= a.inv(); } mint operator/(const mint a) const { return mint(*this) /= a; } }; istream &operator>>(istream &is, const mint &a) { return is >> a.x; } ostream &operator<<(ostream &os, const mint &a) { return os << a.x; } // combination mod prime // https://www.youtube.com/watch?v=8uowVvQ_-Mo&feature=youtu.be&t=1619 struct combination { vector<mint> fact, ifact; combination(int n) : fact(n + 1), ifact(n + 1) { assert(n < mod); fact[0] = 1; for (int i = 1; i <= n; ++i) fact[i] = fact[i - 1] * i; ifact[n] = fact[n].inv(); for (int i = n; i >= 1; --i) ifact[i - 1] = ifact[i] * i; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; return fact[n] * ifact[k] * ifact[n - k]; } } comb(200005); // Sieve of Eratosthenes // https://youtu.be/UTVg7wzMWQc?t=2774 struct Sieve { int n; vector<int> f, primes; Sieve(int n = 1) : n(n), f(n + 1) { f[0] = f[1] = -1; for (ll i = 2; i <= n; ++i) { if (f[i]) continue; primes.push_back(i); f[i] = i; for (ll j = i * i; j <= n; j += i) { if (!f[j]) f[j] = i; } } } bool isPrime(int x) { return f[x] == x; } vector<int> factorList(int x) { vector<int> res; while (x != 1) { res.push_back(f[x]); x /= f[x]; } return res; } vector<pl> factor(int x) { vector<int> fl = factorList(x); if (fl.size() == 0) return {}; vector<pl> res(1, pl(fl[0], 0)); for (int p : fl) { if (res.back().first == p) { res.back().second++; } else { res.emplace_back(p, 1); } } return res; } vector<pair<ll, int>> factor(ll x) { vector<pair<ll, int>> res; for (int p : primes) { int y = 0; while (x % p == 0) x /= p, ++y; if (y != 0) res.emplace_back(p, y); } if (x != 1) res.emplace_back(x, 1); return res; } }; int main() { ll x, k, d; cin >> x >> k >> d; if (x < 0) x *= (-1); if (ld(x / d) > k) { ll ans = x - k * d; cout << ans << endl; return 0; } ll y = x / d; k -= y; ll cd = x - y * d; // if (x - y * d > d - (x - y * d)) { // k--; // cd = d - cd; // } ll ans; if (k % 2 == 0) ans = cd; else ans = d - cd; cout << ans << endl; return 0; }
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terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc
p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) #define printInt(a) printf("%d\n", a) #define printll(a) printf("%lld\n", a) #define printdbl(a) printf("%lf\n", a) #define printYes() printf("Yes\n") #define printNo() printf("No\n") #define scanll(a) scanf("%lld", &a) #define scanInt(a) scanf("%d", &a) #define scan2Int(a, b) scanf("%d %d", &a, &b) #define scan3Int(a, b, c) scanf("%d %d %d", &a, &b, &c) #define scan4Int(a, b, c, d) scanf("%d %d %d %d", &a, &b, &c, &d) typedef long long ll; const int INF = 1001001001; using namespace std; void swap(int *a, int *b) { int tmp = *a; *a = *b; *b = tmp; return; } int gdc(int a, int b) { int r; if (a < b) swap(&a, &b); r = a % b; while (r != 0) { a = b; b = r; r = a % b; } return b; } int factorial(int a) { int ans = 1; for (int i = 1; i <= a; ++i) ans *= i; return ans; } int main() { ll x, k, d; scanf("%lld %lld %lld", &x, &k, &d); x = abs(x); while (x > 0 && k > 0) { x -= d; k--; } d *= k % 2; x = abs(x - d) < abs(x + d) ? abs(x - d) : abs(x + d); printll(x); return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) #define printInt(a) printf("%d\n", a) #define printll(a) printf("%lld\n", a) #define printdbl(a) printf("%lf\n", a) #define printYes() printf("Yes\n") #define printNo() printf("No\n") #define scanll(a) scanf("%lld", &a) #define scanInt(a) scanf("%d", &a) #define scan2Int(a, b) scanf("%d %d", &a, &b) #define scan3Int(a, b, c) scanf("%d %d %d", &a, &b, &c) #define scan4Int(a, b, c, d) scanf("%d %d %d %d", &a, &b, &c, &d) typedef long long ll; const int INF = 1001001001; using namespace std; void swap(int *a, int *b) { int tmp = *a; *a = *b; *b = tmp; return; } int gdc(int a, int b) { int r; if (a < b) swap(&a, &b); r = a % b; while (r != 0) { a = b; b = r; r = a % b; } return b; } int factorial(int a) { int ans = 1; for (int i = 1; i <= a; ++i) ans *= i; return ans; } int main() { ll x, k, d; scanf("%lld %lld %lld", &x, &k, &d); x = abs(x); ll tmp = x / d; if (tmp <= k) { x -= d * tmp; k -= tmp; } else { x -= d * k; k = 0; } d *= k % 2; x = abs(x - d) < abs(x + d) ? abs(x - d) : abs(x + d); printll(x); return 0; }
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TLE
p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define error(args...) \ { \ string _s = #args; \ replace(_s.begin(), _s.end(), ',', ' '); \ stringstream _ss(_s); \ istream_iterator<string> _it(_ss); \ err(_it, args); \ } void err(istream_iterator<string> it) {} template <typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a << " ; "; err(++it, args...); cout << endl; } /*----------------------------------------------------------------------------------------------------------------------------------------------------*/ /*Let's start.............*/ #define ll long long #define pb push_back #define ff first #define ss second #define srt(v) sort(v.begin(), v.end()) #define inf 200000000000000000 #define mxn 100009 #define MOD 1000000007 #define pi acos(-1) int main() { // freopen("input.txt","r",stdin); ios_base::sync_with_stdio(false); cin.tie(0); while (1) { ll X, a, b; cin >> X >> a >> b; X = abs(X); ll keep = (X / b); if (a <= keep) { cout << X - (a * b) << endl; } else if (X == 0) { if (a % 2 == 0) cout << 0 << endl; else cout << b << endl; } else { ll ans = 0; ll rem = X % b; if (b % 2 == 0) ans = b - rem; else ans = rem; cout << ans << endl; } } return 0; }
#include <bits/stdc++.h> using namespace std; #define error(args...) \ { \ string _s = #args; \ replace(_s.begin(), _s.end(), ',', ' '); \ stringstream _ss(_s); \ istream_iterator<string> _it(_ss); \ err(_it, args); \ } void err(istream_iterator<string> it) {} template <typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a << " ; "; err(++it, args...); cout << endl; } /*----------------------------------------------------------------------------------------------------------------------------------------------------*/ /*Let's start.............*/ #define ll long long #define pb push_back #define ff first #define ss second #define srt(v) sort(v.begin(), v.end()) #define inf 200000000000000000 #define mxn 100009 #define MOD 1000000007 #define pi acos(-1) int main() { // freopen("input.txt","r",stdin); ios_base::sync_with_stdio(false); cin.tie(0); ll X, a, b; cin >> X >> a >> b; X = abs(X); ll keep = (X / b); if (X == 0) { if (a % 2 == 0) cout << 0 << endl; else cout << b << endl; } else if (a <= keep) { cout << X - (a * b) << endl; } else { ll rem = (X - (X / b) * b); ll keep = (b - rem); ll peek = (X / b); ll ans = 0; if (peek % 2 == (a % 2)) ans = rem; else ans = keep; cout << ans << endl; } return 0; }
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p02584
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { long long x; long long k; long long d; cin >> x >> k >> d; long long mostnear = abs(x) % d; if (mostnear / d + k <= abs(x) / d) { cout << abs(x) - (k * d); } else if ((abs(k) % abs(x / d) == 1)) cout << mostnear; else cout << abs(mostnear - d); }
#include <bits/stdc++.h> using namespace std; int main() { long long x; long long k; long long d; cin >> x >> k >> d; long long mostnear = abs(x) % d; if (mostnear / d + k <= abs(x) / d) { cout << abs(x) - (k * d); } else if (abs(x / d) % 2 == 0 && k % 2 == 0) cout << mostnear; else if (abs(x / d) % 2 == 1 && k % 2 == 1) cout << mostnear; else cout << abs(mostnear - d); }
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p02584
C++
Time Limit Exceeded
#include <cmath> #include <ctype.h> #include <iostream> #include <limits.h> #include <sstream> #include <stdio.h> #include <string.h> #include <string> #include <vector> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; typedef long long int ll; typedef vector<int> vi; // 最大公約数 int gcd(int a, int b) { return b ? gcd(b, a % b) : a; } // 最小公倍数 int lcm(int a, int b) { return a / gcd(a, b) * b; } // 素数判定 bool isPrime(int x) { if (x < 2) return 0; else if (x == 2) return 1; if (x % 2 == 0) return 0; for (int i = 3; i * i <= x; i += 2) { if (x % i == 0) return 0; } return 1; } // 桁ごとの足し算 int digsum(int n) { int res = 0; while (n > 0) { res += n % 10; n /= 10; } return res; } // 約数列挙 vector<int> enum_div(int n) { vector<int> ret; for (int i = 1; i * i <= n; ++i) { if (n % i == 0) { ret.push_back(i); if (i * i != n) { ret.push_back(n / i); } } } return ret; } // 累乗の計算とあまり,0で累乗そのまま出力 long long modpow(long long a, long long n, long long mod) { if (mod == 0) mod = __LONG_LONG_MAX__; long long res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } ll X; ll K; ll D; int main() { cin >> X >> K >> D; for (int i = 0; i < K; ++i) { ll X2; if (X > 0) X2 = X - D; else X2 = X + D; if ((X2 <= 0 && 0 <= X) || (X <= 0 && 0 <= X2)) { if ((K - 1 - i) % 2) break; else { X = X2; break; } } X = X2; } cout << abs(X) << endl; }
#include <cmath> #include <ctype.h> #include <iostream> #include <limits.h> #include <sstream> #include <stdio.h> #include <string.h> #include <string> #include <vector> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; typedef long long int ll; typedef vector<int> vi; // 最大公約数 int gcd(int a, int b) { return b ? gcd(b, a % b) : a; } // 最小公倍数 int lcm(int a, int b) { return a / gcd(a, b) * b; } // 素数判定 bool isPrime(int x) { if (x < 2) return 0; else if (x == 2) return 1; if (x % 2 == 0) return 0; for (int i = 3; i * i <= x; i += 2) { if (x % i == 0) return 0; } return 1; } // 桁ごとの足し算 int digsum(int n) { int res = 0; while (n > 0) { res += n % 10; n /= 10; } return res; } // 約数列挙 vector<int> enum_div(int n) { vector<int> ret; for (int i = 1; i * i <= n; ++i) { if (n % i == 0) { ret.push_back(i); if (i * i != n) { ret.push_back(n / i); } } } return ret; } // 累乗の計算とあまり,0で累乗そのまま出力 long long modpow(long long a, long long n, long long mod) { if (mod == 0) mod = __LONG_LONG_MAX__; long long res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } ll X; ll K; ll D; int main() { cin >> X >> K >> D; X = abs(X); ll num = X / D; if (X % D > 0) num++; if (num > K) X -= D * K; else { X -= D * num; if ((K - num) % 2 == 1) X += D; } cout << abs(X) << endl; }
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TLE
p02584
C++
Time Limit Exceeded
// ABC 175 C #include <bits/stdc++.h> using namespace std; int main() { long long int x, d, k, ans, fl, flfl, flflfl = 0, fm; cin >> x >> k >> d; fl = 1; if (k % 2 == 0) { fl = 0; } if (x < 0) { x *= -1; } flfl = 0; if (d >= x) { flfl = 1; } // cout << flfl<<endl; if (flfl == 0) { int i = 1; while (i >= 0) { if (d * i >= x) { fm = i - 1; i = -2; } i++; } if (fm % 2 != 0) { flflfl = 1; } // cout << fm <<endl; if (fm <= k) { if (fl == 0) { if (flflfl == 0) { ans = x - fm * d; } else { ans = (fm + 1) * d - x; } } else { if (flflfl == 0) { ans = (fm + 1) * d - x; } else { ans = x - fm * d; } } } else { ans = x - k * d; } } else { if (fl == 0) { ans = x; } else { if (x == d) { ans = 0; } else { ans = d - x; } } // cout << "haha"; } cout << ans; }
// ABC 175 C #include <bits/stdc++.h> using namespace std; int main() { long long int x, d, k, ans, fl, flfl, flflfl = 0, fm; cin >> x >> k >> d; fl = 1; if (k % 2 == 0) { fl = 0; } if (x < 0) { x *= -1; } flfl = 0; if (d >= x) { flfl = 1; } // cout << flfl<<endl; if (flfl == 0) { fm = x / d; if (fm % 2 != 0) { flflfl = 1; } // cout << fm <<endl; if (fm <= k) { if (fl == 0) { if (flflfl == 0) { ans = x - fm * d; } else { ans = (fm + 1) * d - x; } } else { if (flflfl == 0) { ans = (fm + 1) * d - x; } else { ans = x - fm * d; } } } else { ans = x - k * d; } } else { if (fl == 0) { ans = x; } else { if (x == d) { ans = 0; } else { ans = d - x; } } // cout << "haha"; } cout << ans; }
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TLE
p02584
C++
Time Limit Exceeded
#include <iostream> long long abs(long long a) { return (a < 0) ? -a : a; } int sgn(long long a) { return (a < 0) ? -1 : 1; } int main() { long long X, K, D; std::cin >> X >> K >> D; while (K > 0) { if (abs(X - sgn(X) * D) < abs(X)) { long long times = abs(X) / D; if (K < times) times = K; K -= times; X -= sgn(X) * times * D; } else { if (K > 1) { K %= 2; } else { X -= sgn(X) * D; K--; } } } std::cout << abs(X) << '\n'; return 0; }
#include <iostream> long long abs(long long a) { return (a < 0) ? -a : a; } int sgn(long long a) { return (a < 0) ? -1 : 1; } int main() { long long X, K, D; std::cin >> X >> K >> D; while (K > 0) { if (abs(X - sgn(X) * D) < abs(X)) { long long times = abs(X) / D; if (times == 0) times = 1; if (K < times) times = K; K -= times; X -= sgn(X) * times * D; } else { if (K > 1) { K %= 2; } else { X -= sgn(X) * D; K--; } } } std::cout << abs(X) << '\n'; return 0; }
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TLE
p02584
C++
Runtime Error
#include "bits/stdc++.h" #include "ext/pb_ds/assoc_container.hpp" using namespace __gnu_pbds; using namespace std; #define pb push_back #define all(x) (x).begin(), (x).end() #define int long long #define INF 1e18 #define ff first #define ss second #define vi vector<int> #define pii pair<int, int> #define mii map<int, int> #define endl "\n" #define GCD(x, y) (__gcd((x), (y))) #define LCM(x, y) (((x) / __gcd((x), (y))) * (y)) #define debug(x) cout << #x << " is " << (x) << endl #define mem(a, x) memset(a, x, sizeof(a)) #define rep(i, a, b) for (long long i = a; i < b; i++) #define sp(ans, p) fixed << setprecision(p) << ans; #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; // constexpr int N=; void solve() { int in, t, d; cin >> in >> t >> d; int ff = 0; if (in < 0) { in *= -1; ff = 1; } int mulp = in / d; mulp = min(mulp, t); int rem = (t - mulp) % 2; int prefinal = in - d * mulp; if (rem == 0) { cout << prefinal << endl; } else { cout << min(abs(prefinal + d), abs(prefinal - d)) << endl; } // cout << << " " << (t - mulp) % 2 << endl; return; } signed main() { IOS; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // sieve(); int t = 1; cin >> t; while (t--) solve(); return 0; }
#include "bits/stdc++.h" #include "ext/pb_ds/assoc_container.hpp" using namespace __gnu_pbds; using namespace std; #define pb push_back #define all(x) (x).begin(), (x).end() #define int long long #define INF 1e18 #define ff first #define ss second #define vi vector<int> #define pii pair<int, int> #define mii map<int, int> #define endl "\n" #define GCD(x, y) (__gcd((x), (y))) #define LCM(x, y) (((x) / __gcd((x), (y))) * (y)) #define debug(x) cout << #x << " is " << (x) << endl #define mem(a, x) memset(a, x, sizeof(a)) #define rep(i, a, b) for (long long i = a; i < b; i++) #define sp(ans, p) fixed << setprecision(p) << ans; #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; // constexpr int N=; void solve() { int in, t, d; cin >> in >> t >> d; int ff = 0; if (in < 0) { in *= -1; ff = 1; } int mulp = in / d; mulp = min(mulp, t); int rem = (t - mulp) % 2; int prefinal = in - d * mulp; if (rem == 0) { cout << prefinal << endl; } else { cout << min(abs(prefinal + d), abs(prefinal - d)) << endl; } // cout << << " " << (t - mulp) % 2 << endl; return; } signed main() { IOS; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // sieve(); int t = 1; // cin >> t; while (t--) solve(); return 0; }
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p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll, ll>; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define mod 1000000007 #define pi 3.141592653589793 typedef vector<ll> vcl; ll gcd(ll a, ll b) { if (b > a) swap(a, b); if (b == 0) return a; return gcd(b, a % b); } ll lcm(ll a, ll b) { ll g = gcd(a, b); return a / g * b; } ll rep_jijo(ll n, ll x) { if (x == 0) return 1; if (x % 2 == 0) { ll t = rep_jijo(n, x / 2); return t * t % mod; } return n * rep_jijo(n, x - 1) % mod; } ll c2(ll n) { return n * (n - 1) / 2; } int main() { ll x, k, d, ans; cin >> x >> k >> d; if (x < 0) x = -x; ll y = x; ll i = 0; while (y > d) { y = y - d; i++; } if (i >= k) ans = x - k * d; else if ((k - i) % 2 == 0) { ans = x - i * d; } else ans = abs(x - i * d - d); cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll, ll>; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define mod 1000000007 #define pi 3.141592653589793 typedef vector<ll> vcl; ll gcd(ll a, ll b) { if (b > a) swap(a, b); if (b == 0) return a; return gcd(b, a % b); } ll lcm(ll a, ll b) { ll g = gcd(a, b); return a / g * b; } ll rep_jijo(ll n, ll x) { if (x == 0) return 1; if (x % 2 == 0) { ll t = rep_jijo(n, x / 2); return t * t % mod; } return n * rep_jijo(n, x - 1) % mod; } ll c2(ll n) { return n * (n - 1) / 2; } int main() { ll x, k, d, ans; cin >> x >> k >> d; if (x < 0) x = -x; ll y = x; ll i = 0; i = y / d; if (i >= k) ans = x - k * d; else if ((k - i) % 2 == 0) { ans = x - i * d; } else ans = abs(x - i * d - d); cout << ans << endl; }
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TLE
p02584
C++
Time Limit Exceeded
#include <cmath> #include <cstdlib> #include <iostream> using namespace std; int main() { long long x, pos, plus_min, minus_min; unsigned long k, d; cin >> x >> k >> d; pos = x; plus_min = pow(10, 15) + 1; minus_min = -pow(10, 15) - 1; for (unsigned long i = 1; i <= k; i++) { if (pos < 0) { pos += d; if (pos == plus_min) { if ((k - i) % 2) { cout << -minus_min; return 0; } else { cout << plus_min; return 0; } } if (pos >= 0 && pos < plus_min) plus_min = pos; } else { pos -= d; if (pos == minus_min) { if ((k - i) % 2) { cout << plus_min; return 0; } else { cout << -minus_min; return 0; } } if (pos < 0 && pos > minus_min) minus_min = pos; } } cout << abs(pos); return 0; }
#include <cmath> #include <cstdlib> #include <iostream> using namespace std; int main() { long long x, pos, plus_min, minus_min; unsigned long k, d; cin >> x >> k >> d; pos = x; plus_min = pow(10, 15) + 1; minus_min = -pow(10, 15) - 1; long long quotient = abs(x) / d, mod = abs(x) % d; if (k * d <= abs(x)) { if (x < 0) { cout << -x - k * d; } else { cout << x - k * d; } return 0; } else { k -= quotient; pos = x < 0 ? -mod : mod; } for (unsigned long i = 1; i <= k; i++) { if (pos < 0) { pos += d; if (pos == plus_min) { if ((k - i) % 2) { cout << -minus_min; return 0; } else { cout << plus_min; return 0; } } if (pos >= 0 && pos < plus_min) plus_min = pos; } else { pos -= d; if (pos == minus_min) { if ((k - i) % 2) { cout << plus_min; return 0; } else { cout << -minus_min; return 0; } } if (pos < 0 && pos > minus_min) minus_min = pos; } } cout << abs(pos); return 0; }
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TLE
p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, s, n) for (int i = (s); i < (int)(n); i++) #define rep3(i, n) for (long long i = 0; i < (long long)(n); i++) using Graph = vector<vector<int>>; using ll = long long; //----------素因数分解---------- vector<ll> prime_factorization(ll n) { vector<ll> factors(n + 1, 0); rep3(i, n + 1) { if (i <= 1) continue; while (n % i == 0) { n /= i; factors[i]++; } } return factors; } int main() { ll x, k, d; cin >> x >> k >> d; rep3(i, k) { if (abs(x + d) <= abs(x - d)) { x += d; } else { x -= d; } if (abs(x) <= abs(d)) { if ((k - 1 - i) % 2 == 0) { cout << abs(x) << endl; return 0; } else { cout << abs(d) - abs(x) << endl; return 0; } } } cout << abs(x) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, s, n) for (int i = (s); i < (int)(n); i++) #define rep3(i, n) for (long long i = 0; i < (long long)(n); i++) using Graph = vector<vector<int>>; using ll = long long; //----------素因数分解---------- vector<ll> prime_factorization(ll n) { vector<ll> factors(n + 1, 0); rep3(i, n + 1) { if (i <= 1) continue; while (n % i == 0) { n /= i; factors[i]++; } } return factors; } int main() { ll x, k, d; cin >> x >> k >> d; if (abs(x) % d == 0) { ll p = abs(x) / d; if (k > p) { x = 0; k -= p; } else { cout << abs(x) - k * d << endl; return 0; } } rep3(i, k) { if (abs(x + d) <= abs(x - d)) { x += d; } else { x -= d; } if (abs(x) <= abs(d)) { if ((k - 1 - i) % 2 == 0) { cout << abs(x) << endl; return 0; } else { cout << abs(d) - abs(x) << endl; return 0; } } } cout << abs(x) << endl; return 0; }
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TLE
p02584
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define gc getchar_unlocked #define foi(i, n) for (int i = 0; i < n; i++) #define Foi(i, k, n) \ for (int i = k; k < n ? i < n : i > n; k < n ? i += 1 : i -= 1) #define fol(i, n) for (ll i = 0; i < n; i++) #define Fol(i, k, n) \ for (ll i = k; k < n ? i < n : i > n; k < n ? i += 1 : i -= 1) #define ll long long #define si(x) scanf("%d", &x) #define sl(x) scanf("%lld", &x) #define ss(s) scanf("%s", s) #define pi(x) printf("%d\n", x) #define pl(x) printf("%lld\n", x) #define ps(s) printf("%s\n", s) #define deb(x) cout << #x << "=" << x << endl #define deb2(x, y) cout << #x << "=" << x << "," << #y << "=" << y << endl #define pb push_back #define mp make_pair #define F first #define S second #define all(x) x.begin(), x.end() #define clr(x) memset(x, 0, sizeof(x)) #define sortall(x) sort(all(x)) #define tr(it, a) for (auto it = a.begin(); it != a.end(); it++) #define PI 3.1415926535897932384626 typedef pair<int, int> pii; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<pii> vpii; typedef vector<pl> vpl; typedef vector<vi> vvi; typedef vector<vl> vvl; int mpow(int base, int exp); void ipgraph(int m); void dfs(int u, int par); const int mod = 1000000007; const int N = 3e5, M = N; //======================= vi g[N]; int a[N]; int mpow(int base, int exp) { base %= mod; int result = 1; while (exp > 0) { if (exp & 1) result = ((ll)result * base) % mod; base = ((ll)base * base) % mod; exp >>= 1; } return result; } void ipgraph(int n, int m) { int i, u, v; while (m--) { cin >> u >> v; g[u - 1].pb(v - 1); g[v - 1].pb(u - 1); } } void dfs(int u, int par) { for (int v : g[u]) { if (v == par) continue; dfs(v, u); } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long x, k, d; cin >> x >> k >> d; x = abs(x); while (k--) { x -= d; if (x - d < 0) break; } if (k % 2 && k > 0) x = min(x + d, abs(x - d)); cout << abs(x); return 0; }
#include <bits/stdc++.h> using namespace std; #define gc getchar_unlocked #define foi(i, n) for (int i = 0; i < n; i++) #define Foi(i, k, n) \ for (int i = k; k < n ? i < n : i > n; k < n ? i += 1 : i -= 1) #define fol(i, n) for (ll i = 0; i < n; i++) #define Fol(i, k, n) \ for (ll i = k; k < n ? i < n : i > n; k < n ? i += 1 : i -= 1) #define ll long long #define si(x) scanf("%d", &x) #define sl(x) scanf("%lld", &x) #define ss(s) scanf("%s", s) #define pi(x) printf("%d\n", x) #define pl(x) printf("%lld\n", x) #define ps(s) printf("%s\n", s) #define deb(x) cout << #x << "=" << x << endl #define deb2(x, y) cout << #x << "=" << x << "," << #y << "=" << y << endl #define pb push_back #define mp make_pair #define F first #define S second #define all(x) x.begin(), x.end() #define clr(x) memset(x, 0, sizeof(x)) #define sortall(x) sort(all(x)) #define tr(it, a) for (auto it = a.begin(); it != a.end(); it++) #define PI 3.1415926535897932384626 typedef pair<int, int> pii; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<pii> vpii; typedef vector<pl> vpl; typedef vector<vi> vvi; typedef vector<vl> vvl; int mpow(int base, int exp); void ipgraph(int m); void dfs(int u, int par); const int mod = 1000000007; const int N = 3e5, M = N; //======================= vi g[N]; int a[N]; int mpow(int base, int exp) { base %= mod; int result = 1; while (exp > 0) { if (exp & 1) result = ((ll)result * base) % mod; base = ((ll)base * base) % mod; exp >>= 1; } return result; } void ipgraph(int n, int m) { int i, u, v; while (m--) { cin >> u >> v; g[u - 1].pb(v - 1); g[v - 1].pb(u - 1); } } void dfs(int u, int par) { for (int v : g[u]) { if (v == par) continue; dfs(v, u); } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long x, k, d; cin >> x >> k >> d; x = abs(x); ll quo = x / d; if (quo < k) { k -= quo; x %= d; } else { x -= k * d; k = 0; } if (k % 2 && k > 0) x = min(x + d, abs(x - d)); cout << abs(x); return 0; }
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p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { int n, k; cin >> n >> k; vector<int> p(1 + n); vector<ll> c(1 + n); for (int i = 1; i <= n; ++i) cin >> p[i]; for (int i = 1; i <= n; ++i) cin >> c[i]; // ループのスコア計算は前処理 vector<ll> loop_score(1 + n); vector<int> loop_size(1 + n); vector<bool> loop_checked(1 + n, false); for (int start_point = 1; start_point <= n; start_point++) { if (!loop_checked[start_point]) { ll score = c[start_point]; int loop_size_tmp = 1; for (int point = p[start_point]; point != start_point; point = p[point]) { score += c[point]; loop_size_tmp += 1; } loop_score[start_point] = score; loop_size[start_point] = loop_size_tmp; loop_checked[start_point] = true; for (int point = p[start_point]; point != start_point; point = p[point]) { loop_score[point] = score; loop_size[point] = loop_size_tmp; loop_checked[point] = true; } } } ll ans = -1e10; for (int start_point = 1; start_point <= n; start_point++) { // 最後の2周弱はケチらず数える ll current_score = 0, max_score = -1e10; int k_tmp = k, point = start_point; if (loop_size[start_point] * 2 <= k && loop_score[start_point] > 0) { current_score = (k / loop_size[start_point] - 1) * loop_score[start_point]; max_score = current_score; k_tmp = k - (k / loop_size[start_point] - 1) * loop_size[start_point]; } for (int i = 0; i < k_tmp; ++i) { point = p[point]; current_score += c[point]; max_score = max(current_score, max_score); } ans = max(ans, max_score); } cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { int n, k; cin >> n >> k; vector<int> p(1 + n); vector<ll> c(1 + n); for (int i = 1; i <= n; ++i) cin >> p[i]; for (int i = 1; i <= n; ++i) cin >> c[i]; // ループのスコア計算は前処理 vector<ll> loop_score(1 + n); vector<int> loop_size(1 + n); vector<bool> loop_checked(1 + n, false); for (int start_point = 1; start_point <= n; start_point++) { if (!loop_checked[start_point]) { ll score = c[start_point]; int loop_size_tmp = 1; for (int point = p[start_point]; point != start_point; point = p[point]) { score += c[point]; loop_size_tmp += 1; } loop_score[start_point] = score; loop_size[start_point] = loop_size_tmp; loop_checked[start_point] = true; for (int point = p[start_point]; point != start_point; point = p[point]) { loop_score[point] = score; loop_size[point] = loop_size_tmp; loop_checked[point] = true; } } } ll ans = -1e10; for (int start_point = 1; start_point <= n; start_point++) { // 最後の2周弱はケチらず数える ll current_score = 0, max_score = -1e10; int k_tmp = k, point = start_point; if (loop_size[start_point] * 2 <= k) { if (loop_score[start_point] > 0) { current_score = (k / loop_size[start_point] - 1) * loop_score[start_point]; max_score = current_score; } k_tmp = k - (k / loop_size[start_point] - 1) * loop_size[start_point]; } for (int i = 0; i < k_tmp; ++i) { point = p[point]; current_score += c[point]; max_score = max(current_score, max_score); } ans = max(ans, max_score); } cout << ans; return 0; }
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TLE
p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { int n, k; cin >> n >> k; vector<int> p(n); vector<ll> c(n); for (auto &e : p) { cin >> e; e--; } for (auto &e : c) cin >> e; vector<ll> s1(n), s2(n), d1(n), d2(n); for (int i = 0; i < n; i++) { if (d1[i]) continue; d1[i] = 1; for (int j = i; !d2[p[j]]; j = p[j]) { if (!d1[p[j]]) { s1[p[j]] = s1[j] + c[p[j]]; d1[p[j]] = d1[j] + 1; } else { s2[p[j]] = (d2[j] ? s2[j] : s1[j]) + c[p[j]]; d2[p[j]] = (d2[j] ? d2[j] : d1[j]) + 1; } } } ll r = -1e18; for (int i = 0; i < n; i++) { ll ri = 0; for (int j = i, ki = k; ki;) { if (d2[j] && 2 * (d2[j] - d1[j]) <= ki) { ri += s2[j] - s1[j]; ki -= d2[j] - d1[j]; } else { ri += c[p[j]]; ki--; j = p[j]; } r = max(r, ri); ri = max(ri, 0ll); } } cout << r << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { int n, k; cin >> n >> k; vector<int> p(n); vector<ll> c(n); for (auto &e : p) { cin >> e; e--; } for (auto &e : c) cin >> e; vector<ll> s1(n), s2(n), d1(n), d2(n); for (int i = 0; i < n; i++) { if (d1[i]) continue; d1[i] = 1; for (int j = i; !d2[p[j]]; j = p[j]) { if (!d1[p[j]]) { s1[p[j]] = s1[j] + c[p[j]]; d1[p[j]] = d1[j] + 1; } else { s2[p[j]] = (d2[j] ? s2[j] : s1[j]) + c[p[j]]; d2[p[j]] = (d2[j] ? d2[j] : d1[j]) + 1; } } } ll r = -1e18; for (int i = 0; i < n; i++) { ll ri = 0; for (int j = i, ki = k; ki;) { if (d2[j] && 2 * (d2[j] - d1[j]) <= ki) { ll t = ki / (d2[j] - d1[j]) - 1; ri += t * (s2[j] - s1[j]); ki -= t * (d2[j] - d1[j]); } else { ri += c[p[j]]; ki--; j = p[j]; } r = max(r, ri); ri = max(ri, 0ll); } } cout << r << endl; }
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p02585
C++
Time Limit Exceeded
#pragma GCC target("avx") // #pragma GCC target("avx512f,avx512dq,avx512cd,avx512bw,avx512vl") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; #define LL long long #define DB double #define LD long double #define ST string #define BS bitset #define PA pair<LL, LL> #define VE vector #define VL vector<LL> #define VP vector<pair<LL, LL>> #define VVL vector<vector<LL>> #define PQ priority_queue #define PQS priority_queue<LL, vector<LL>, greater<LL>> #define FI first #define SE second #define PB push_back #define POB pop_back #define PF push_front #define POF pop_front #define EB emplace_back #define MP make_pair #define TS to_string #define TU to_ullong #define BPL __builtin_popcountll #define FOR(i, a, n) for (i = a; i < n; ++i) #define FORR(i, a, n) for (i = n - 1; i >= a; --i) #define rep(i, n) FOR(i, 0, n) #define repr(i, n) FORR(i, 0, n) #define ALL(a) a.begin(), a.end() #define RALL(a) a.rbegin(), a.rend() #define SORT(a) sort(ALL(a)) #define REV(a) reverse(ALL(a)) #define UB(a, n) *upper_bound(ALL(a), n) #define UBn(a, n) upper_bound(ALL(a), n) - a.begin() #define LB(a, n) *lower_bound(ALL(a), n) #define LBn(a, n) lower_bound(ALL(a), n) - a.begin() #define INF 1145141919810364364LL #define PI 3.14159265358979 #define MOD 1000000007 // #define MOD 998244353 #define ERR 0.00000001 #define FAST \ cin.tie(0); \ ios::sync_with_stdio(false) void Yn(LL a) { if (a) printf("Yes\n"); else printf("No\n"); } void YN(LL a) { if (a) printf("YES\n"); else printf("NO\n"); } LL pwmn(LL a, LL n) { LL ans = 1; while (ans < a) ans *= n; return ans; } LL dig(LL n) { LL ret = 0; while (n) n /= 10, ++ret; return ret; } LL GCD(LL a, LL b) { LL c = 1, tmp = max(a, b); b = min(a, b); a = tmp; while (c != 0) { c = a % b; a = b; b = c; } return a; } LL LCM(LL a, LL b) { return a * b / GCD(a, b); } int lcmp(const void *a, const void *b) { if (*(LL *)a > *(LL *)b) return 1; if (*(LL *)a < *(LL *)b) return -1; return 0; } int lcmpr(const void *a, const void *b) { if (*(LL *)a > *(LL *)b) return -1; if (*(LL *)a < *(LL *)b) return 1; return 0; } int ccmp(const void *a, const void *b) { return *(char *)a - *(char *)b; } int ccmpr(const void *a, const void *b) { return *(char *)b - *(char *)a; } int scmp(const void *a, const void *b) { return strcmp((char *)a, (char *)b); } int scmpr(const void *a, const void *b) { return strcmp((char *)b, (char *)a); } LL cmod(LL a, LL m) { if (a % m < 0) return a % m + abs(m); else return a % m; } LL DIV(LL a, LL d, LL m) { LL l = m, x = 1, y = 0, k; while (l) { k = d / l; d -= k * l; swap(l, d); x -= k * y; swap(x, y); } return cmod(a * cmod(x, m), m); } LL POW(LL a, LL n, LL m) { LL ans = 1; while (n > 0) { if (n & 1) ans = ans * a % m; a = a * a % m; n >>= 1; } return ans; } VL fact, finv, inv; void comi(LL n) { LL i; fact.resize(max(2LL, n + 1)); finv.resize(max(2LL, n + 1)); inv.resize(max(2LL, n + 1)); fact[0] = fact[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; FOR(i, 2, n + 1) { fact[i] = fact[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } LL com(LL n, LL k) { if (n < k || n < 0 || k < 0) return 0; return fact[n] * (finv[k] * finv[n - k] % MOD) % MOD; } bool cmps(pair<LL, LL> a, pair<LL, LL> b) { if (a.SE != b.SE) return a.SE < b.SE; return a.FI < b.FI; } template <typename T> bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <typename T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } #define MI modint<MOD> template <int mod> struct modint { int x; modint() : x(0) {} modint(LL n) : x(n >= 0 ? n % mod : (mod - (-n) % mod) % mod) {} modint &operator+=(const modint &n) { if ((x += n.x) >= mod) x -= mod; return *this; } modint &operator-=(const modint &n) { if ((x += mod - n.x) >= mod) x -= mod; return *this; } modint &operator++() { *this += 1; return *this; } modint &operator--() { *this -= 1; return *this; } modint &operator*=(const modint &n) { x = (int)((LL)x * n.x % mod); return *this; } modint &operator/=(const modint &n) { *this *= n.inv(); return *this; } modint operator-() const { return modint(-x); } modint operator+(const modint &n) const { return modint(*this) += n; } modint operator-(const modint &n) const { return modint(*this) -= n; } modint operator++(int) { modint ret(*this); *this += 1; return ret; } modint operator--(int) { modint ret(*this); *this -= 1; return ret; } modint operator*(const modint &n) const { return modint(*this) *= n; } modint operator/(const modint &n) const { return modint(*this) /= n; } bool operator<(const modint &n) const { return x < n.x; } bool operator>(const modint &n) const { return x > n.x; } bool operator<=(const modint &n) const { return x <= n.x; } bool operator>=(const modint &n) const { return x >= n.x; } bool operator!=(const modint &n) const { return x != n.x; } bool operator==(const modint &n) const { return x == n.x; } friend istream &operator>>(istream &is, modint &n) { LL l; is >> l; n = modint<mod>(l); return is; } friend ostream &operator<<(ostream &os, const modint &n) { return os << n.x; } int getmod() { return mod; } modint inv() const { int a = x, b = mod, c = 1, d = 0, n; while (b) { n = a / b; swap(a -= n * b, b); swap(c -= n * d, d); } return modint(c); } modint pow(LL n) const { modint ret(1), m(x); while (n) { if (n & 1) ret *= m; m *= m; n >>= 1; } return ret; } }; int main() { FAST; LL i, j, ans = -INF, N, K, a, k, s, r, f, b, c; cin >> N >> K; VL P(N), C(N); rep(i, N) { cin >> P[i]; --P[i]; } rep(i, N) cin >> C[i]; rep(i, N) { VL v(N * 100, INF), p(N * 100, INF), q(N * 100, INF); v[i] = p[0] = j = f = s = r = b = 0; a = -INF; k = q[0] = i; while (j < K) { ++j; k = P[k]; q[j] = k; chmax(a, p[j - 1] + C[k]); p[j] = p[j - 1] + C[k]; if (v[k] != INF) { f = 1; break; } v[k] = j; } if (f == 0) { chmax(ans, a); continue; } s = p[j] - p[v[q[j]]]; /*if(s<0){ chmax(ans,a); continue; }*/ c = K; r = j - v[q[j]]; b = p[j]; c -= j; b += s * (c / r); c %= r; chmax(a, b + a - p[j]); k = q[j]; j = 0; while (j < c) { ++j; k = P[k]; b += C[k]; chmax(a, b); } chmax(ans, a); } cout << ans << endl; }
#pragma GCC target("avx") // #pragma GCC target("avx512f,avx512dq,avx512cd,avx512bw,avx512vl") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; #define LL long long #define DB double #define LD long double #define ST string #define BS bitset #define PA pair<LL, LL> #define VE vector #define VL vector<LL> #define VP vector<pair<LL, LL>> #define VVL vector<vector<LL>> #define PQ priority_queue #define PQS priority_queue<LL, vector<LL>, greater<LL>> #define FI first #define SE second #define PB push_back #define POB pop_back #define PF push_front #define POF pop_front #define EB emplace_back #define MP make_pair #define TS to_string #define TU to_ullong #define BPL __builtin_popcountll #define FOR(i, a, n) for (i = a; i < n; ++i) #define FORR(i, a, n) for (i = n - 1; i >= a; --i) #define rep(i, n) FOR(i, 0, n) #define repr(i, n) FORR(i, 0, n) #define ALL(a) a.begin(), a.end() #define RALL(a) a.rbegin(), a.rend() #define SORT(a) sort(ALL(a)) #define REV(a) reverse(ALL(a)) #define UB(a, n) *upper_bound(ALL(a), n) #define UBn(a, n) upper_bound(ALL(a), n) - a.begin() #define LB(a, n) *lower_bound(ALL(a), n) #define LBn(a, n) lower_bound(ALL(a), n) - a.begin() #define INF 1145141919810364364LL #define PI 3.14159265358979 #define MOD 1000000007 // #define MOD 998244353 #define ERR 0.00000001 #define FAST \ cin.tie(0); \ ios::sync_with_stdio(false) void Yn(LL a) { if (a) printf("Yes\n"); else printf("No\n"); } void YN(LL a) { if (a) printf("YES\n"); else printf("NO\n"); } LL pwmn(LL a, LL n) { LL ans = 1; while (ans < a) ans *= n; return ans; } LL dig(LL n) { LL ret = 0; while (n) n /= 10, ++ret; return ret; } LL GCD(LL a, LL b) { LL c = 1, tmp = max(a, b); b = min(a, b); a = tmp; while (c != 0) { c = a % b; a = b; b = c; } return a; } LL LCM(LL a, LL b) { return a * b / GCD(a, b); } int lcmp(const void *a, const void *b) { if (*(LL *)a > *(LL *)b) return 1; if (*(LL *)a < *(LL *)b) return -1; return 0; } int lcmpr(const void *a, const void *b) { if (*(LL *)a > *(LL *)b) return -1; if (*(LL *)a < *(LL *)b) return 1; return 0; } int ccmp(const void *a, const void *b) { return *(char *)a - *(char *)b; } int ccmpr(const void *a, const void *b) { return *(char *)b - *(char *)a; } int scmp(const void *a, const void *b) { return strcmp((char *)a, (char *)b); } int scmpr(const void *a, const void *b) { return strcmp((char *)b, (char *)a); } LL cmod(LL a, LL m) { if (a % m < 0) return a % m + abs(m); else return a % m; } LL DIV(LL a, LL d, LL m) { LL l = m, x = 1, y = 0, k; while (l) { k = d / l; d -= k * l; swap(l, d); x -= k * y; swap(x, y); } return cmod(a * cmod(x, m), m); } LL POW(LL a, LL n, LL m) { LL ans = 1; while (n > 0) { if (n & 1) ans = ans * a % m; a = a * a % m; n >>= 1; } return ans; } VL fact, finv, inv; void comi(LL n) { LL i; fact.resize(max(2LL, n + 1)); finv.resize(max(2LL, n + 1)); inv.resize(max(2LL, n + 1)); fact[0] = fact[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; FOR(i, 2, n + 1) { fact[i] = fact[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } LL com(LL n, LL k) { if (n < k || n < 0 || k < 0) return 0; return fact[n] * (finv[k] * finv[n - k] % MOD) % MOD; } bool cmps(pair<LL, LL> a, pair<LL, LL> b) { if (a.SE != b.SE) return a.SE < b.SE; return a.FI < b.FI; } template <typename T> bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <typename T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } #define MI modint<MOD> template <int mod> struct modint { int x; modint() : x(0) {} modint(LL n) : x(n >= 0 ? n % mod : (mod - (-n) % mod) % mod) {} modint &operator+=(const modint &n) { if ((x += n.x) >= mod) x -= mod; return *this; } modint &operator-=(const modint &n) { if ((x += mod - n.x) >= mod) x -= mod; return *this; } modint &operator++() { *this += 1; return *this; } modint &operator--() { *this -= 1; return *this; } modint &operator*=(const modint &n) { x = (int)((LL)x * n.x % mod); return *this; } modint &operator/=(const modint &n) { *this *= n.inv(); return *this; } modint operator-() const { return modint(-x); } modint operator+(const modint &n) const { return modint(*this) += n; } modint operator-(const modint &n) const { return modint(*this) -= n; } modint operator++(int) { modint ret(*this); *this += 1; return ret; } modint operator--(int) { modint ret(*this); *this -= 1; return ret; } modint operator*(const modint &n) const { return modint(*this) *= n; } modint operator/(const modint &n) const { return modint(*this) /= n; } bool operator<(const modint &n) const { return x < n.x; } bool operator>(const modint &n) const { return x > n.x; } bool operator<=(const modint &n) const { return x <= n.x; } bool operator>=(const modint &n) const { return x >= n.x; } bool operator!=(const modint &n) const { return x != n.x; } bool operator==(const modint &n) const { return x == n.x; } friend istream &operator>>(istream &is, modint &n) { LL l; is >> l; n = modint<mod>(l); return is; } friend ostream &operator<<(ostream &os, const modint &n) { return os << n.x; } int getmod() { return mod; } modint inv() const { int a = x, b = mod, c = 1, d = 0, n; while (b) { n = a / b; swap(a -= n * b, b); swap(c -= n * d, d); } return modint(c); } modint pow(LL n) const { modint ret(1), m(x); while (n) { if (n & 1) ret *= m; m *= m; n >>= 1; } return ret; } }; int main() { FAST; LL i, j, ans = -INF, N, K, a, k, s, r, f, b, c; cin >> N >> K; VL P(N), C(N); rep(i, N) { cin >> P[i]; --P[i]; } rep(i, N) cin >> C[i]; rep(i, N) { VL v(N + N, INF), p(N + N, INF), q(N + N, INF); v[i] = p[0] = j = f = s = r = b = 0; a = -INF; k = q[0] = i; while (j < K) { ++j; k = P[k]; q[j] = k; chmax(a, p[j - 1] + C[k]); p[j] = p[j - 1] + C[k]; if (v[k] != INF) { f = 1; break; } v[k] = j; } if (f == 0) { chmax(ans, a); continue; } s = p[j] - p[v[q[j]]]; /*if(s<0){ chmax(ans,a); continue; }*/ c = K; r = j - v[q[j]]; b = p[j]; c -= j; b += s * (c / r); c %= r; chmax(a, b + a - p[j]); k = q[j]; j = 0; while (j < c) { ++j; k = P[k]; b += C[k]; chmax(a, b); } chmax(ans, a); } cout << ans << endl; }
replace
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TLE
p02585
Python
Time Limit Exceeded
N, K = map(int, input().split()) P = list(map(int, input().split())) C = list(map(int, input().split())) P = [None] + P C = [None] + C all_max = C[1] for st in range(1, N + 1): scores = [] visit = set() p = st while p not in visit and len(visit) < K: next_p = P[p] scores.append(C[next_p]) visit.add(p) p = next_p num_elem = len(scores) all_sum = sum(scores) q, r = divmod(K, num_elem) max_ = scores[0] temp = scores[0] max_r = scores[0] temp_r = scores[0] for x in range(1, num_elem): if x < r: temp_r += scores[x] max_r = max(max_r, temp_r) temp += scores[x] max_ = max(max_, temp) temp_max = scores[0] if all_sum > 0 and q > 0: if r > 0: temp_max = max(all_sum * (q - 1) + max_, all_sum * q + max_r) else: temp_max = all_sum * (q - 1) + max_ else: temp_max = max_ all_max = max(all_max, temp_max) print(all_max)
N, K = map(int, input().split()) P = list(map(int, input().split())) C = list(map(int, input().split())) P = [None] + P C = [None] + C all_max = C[1] for st in range(1, N + 1): scores = [] visit = set() p = st while p not in visit and len(visit) < K: next_p = P[p] scores.append(C[next_p]) visit.add(p) p = next_p num_elem = len(scores) all_sum = sum(scores) q, r = divmod(K, num_elem) max_ = scores[0] temp = scores[0] max_r = scores[0] temp_r = scores[0] for x in range(1, num_elem): if x < r: temp_r += scores[x] max_r = max(max_r, temp_r) temp += scores[x] max_ = max(max_, temp) temp_max = scores[0] if all_sum > 0 and q > 0: if r > 0: temp_max = max(all_sum * (q - 1) + max_, all_sum * q + max_r) else: temp_max = all_sum * (q - 1) + max_ else: temp_max = max_ all_max = max(all_max, temp_max) print(all_max)
insert
48
48
48
49
TLE
p02585
C++
Runtime Error
#include <algorithm> #include <cmath> #include <iostream> #include <string> #include <vector> using ll = long long; #define rep(i, n) for (ll i = 0; i < (n); i++) #define rep2(i, s, n) for (ll i = s; i < (n); i++) using namespace std; int main() { ll n, k; cin >> n >> k; vector<ll> p(n), c(n); rep(i, n) { cin >> p[i]; p[i]--; } rep(i, n) cin >> c[i]; ll ans = -1000000000; rep(i, n) { ll loop_num = 1000000000; ll loop_score = -1000000000; ll score = 0; vector<ll> scores; ll next = p[i]; rep(j, k) { score += c[next]; next = p[next]; scores.push_back(score); if (next == p[i]) { loop_num = j + 1; loop_score = score; break; } } ll a1 = 0, a2 = 0; if (loop_num > 0) { a1 = k / loop_num; // 一周できる回数 a2 = k % loop_num; // 一周繰り返した後の余り } if (a1 > 0 && loop_score > 0) { rep(j, loop_num) { ll p = 0; if (j >= a2) p = -1; ans = max(ans, scores[j] + loop_score * (a1 + p)); } } else { rep(j, loop_num) { ans = max(ans, scores[j]); } } } cout << ans << endl; return 0; }
#include <algorithm> #include <cmath> #include <iostream> #include <string> #include <vector> using ll = long long; #define rep(i, n) for (ll i = 0; i < (n); i++) #define rep2(i, s, n) for (ll i = s; i < (n); i++) using namespace std; int main() { ll n, k; cin >> n >> k; vector<ll> p(n), c(n); rep(i, n) { cin >> p[i]; p[i]--; } rep(i, n) cin >> c[i]; ll ans = -1000000000; rep(i, n) { ll loop_num = k; ll loop_score = -1000000000; ll score = 0; vector<ll> scores; ll next = p[i]; rep(j, k) { score += c[next]; next = p[next]; scores.push_back(score); if (next == p[i]) { loop_num = j + 1; loop_score = score; break; } } ll a1 = 0, a2 = 0; if (loop_num > 0) { a1 = k / loop_num; // 一周できる回数 a2 = k % loop_num; // 一周繰り返した後の余り } if (a1 > 0 && loop_score > 0) { rep(j, loop_num) { ll p = 0; if (j >= a2) p = -1; ans = max(ans, scores[j] + loop_score * (a1 + p)); } } else { rep(j, loop_num) { ans = max(ans, scores[j]); } } } cout << ans << endl; return 0; }
replace
21
22
21
22
-11
p02585
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int, int>; int main() { int n, k; cin >> n >> k; vector<int> p(n), c(n); rep(i, n) cin >> p[i]; rep(i, n) cin >> c[i]; rep(i, n) p[i]--; ll ans = -1e18; rep(si, n) { int x = si; vector<int> s; ll tot = 0; while (1) { x = p[x]; s.push_back(c[x]); tot += c[x]; if (x == si) break; } int l = s.size(); ll t = 0; rep(i, k) { t += s[i]; if (i + 1 > k) break; ll now = t; if (tot > 0) { ll e = (k - (i + 1)) / l; now += tot * e; } ans = max(ans, now); } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int, int>; int main() { int n, k; cin >> n >> k; vector<int> p(n), c(n); rep(i, n) cin >> p[i]; rep(i, n) cin >> c[i]; rep(i, n) p[i]--; ll ans = -1e18; rep(si, n) { int x = si; vector<int> s; ll tot = 0; while (1) { x = p[x]; s.push_back(c[x]); tot += c[x]; if (x == si) break; } int l = s.size(); ll t = 0; rep(i, l) { t += s[i]; if (i + 1 > k) break; ll now = t; if (tot > 0) { ll e = (k - (i + 1)) / l; now += tot * e; } ans = max(ans, now); } } cout << ans << endl; return 0; }
replace
27
28
27
28
0
p02585
C++
Time Limit Exceeded
#include <iostream> #include <limits.h> #include <queue> #include <vector> using namespace std; int main(void) { int N; long long K; cin >> N >> K; vector<int> P(N + 1); // move for (int i = 1; i < N + 1; i++) { cin >> P[i]; } vector<long long> C(N + 1); // point for (int i = 1; i < N + 1; i++) { cin >> C[i]; } long long max_point = LLONG_MIN; long long tmp_point = 0; int current_p = 0; max_point = LLONG_MIN; for (int m_first = 1; m_first < N + 1; m_first++) { tmp_point = 0; current_p = m_first; // cout << "m_first: " << m_first << ", current: " << current_p << endl; for (int total = 1; total <= K; total++) { // cout << "total: " << total << ", current: " << current_p << endl; // cout << "tmp_point: " << tmp_point << endl; tmp_point += C[P[current_p]]; if (max_point <= tmp_point) max_point = tmp_point; current_p = P[current_p]; if (m_first == current_p && tmp_point <= 0) { tmp_point += C[P[current_p]]; if (max_point <= tmp_point) max_point = tmp_point; break; } } // cout << "" << endl; } cout << max_point << endl; return 0; }
#include <iostream> #include <limits.h> #include <queue> #include <vector> using namespace std; int main(void) { int N; long long K; cin >> N >> K; vector<int> P(N + 1); // move for (int i = 1; i < N + 1; i++) { cin >> P[i]; } vector<long long> C(N + 1); // point for (int i = 1; i < N + 1; i++) { cin >> C[i]; } long long max_point = LLONG_MIN; long long tmp_point = 0; int current_p = 0; max_point = LLONG_MIN; for (int m_first = 1; m_first < N + 1; m_first++) { tmp_point = 0; current_p = m_first; // cout << "m_first: " << m_first << ", current: " << current_p << endl; for (int total = 1; total <= K; total++) { // cout << "total: " << total << ", current: " << current_p << endl; // cout << "tmp_point: " << tmp_point << endl; tmp_point += C[P[current_p]]; if (max_point <= tmp_point) max_point = tmp_point; current_p = P[current_p]; if (m_first == current_p && tmp_point <= 0) { tmp_point += C[P[current_p]]; if (max_point <= tmp_point) max_point = tmp_point; break; } else if (m_first == current_p && tmp_point > 0) { int cycle_num = K / total; int amari = K % total; // cout << "cycle_num: " << cycle_num << endl; // cout << "amari: " << amari << endl; // cout << "tmp_potnt: " << tmp_point << endl; tmp_point = tmp_point * (cycle_num - 1); if (max_point <= tmp_point) max_point = tmp_point; for (int l = 0; l < amari + total; l++) { // cout << "tmp_point:" << tmp_point << endl; tmp_point += C[P[current_p]]; if (max_point <= tmp_point) max_point = tmp_point; current_p = P[current_p]; } break; } } // cout << "" << endl; } cout << max_point << endl; return 0; }
insert
43
43
43
60
TLE
p02585
C++
Runtime Error
#include <algorithm> #include <cmath> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <math.h> #include <queue> #include <set> #include <string.h> #include <string> #include <utility> #include <vector> // #include <boost/multiprecision/cpp_int.hpp> #define rep(i, n) for (int i = 0; i < n; ++i) #define REP(i, m, n) for (int i = m; i < n; ++i) #define rrep(i, n) for (int i = n; i >= 0; --i) #define RREP(i, m, n) for (int i = n; i >= m; --i) #define llrep(i, n) for (ll i = 0; i < n; ++i) #define llREP(i, m, n) for (ll i = m; i < n; ++i) #define llrrep(i, n) for (ll i = n; i >= 0; --i) #define llRREP(i, m, n) for (ll i = n; i >= m; --i) using ll = long long; using ull = unsigned long long; using pii = std::pair<int, int>; using pll = std::pair<long long, long long>; using pil = std::pair<int, long long>; using pli = std::pair<long long, int>; using plpii = std::pair<long long, std::pair<int, int>>; using pdd = std::pair<double, double>; const long long INF = 1000000000000000001; const long long _MOD = 1000000007; const long long MOD = 998244353; const int ALPHABET = 27; const double pi = 3.14159265358979; using namespace std; // namespace mp = boost::multiprecision; int main() { cin.tie(0); ios::sync_with_stdio(false); int n; ll k; cin >> n >> k; int *p = new int[n]; rep(i, n) cin >> p[i]; ll *c = new ll[n]; rep(i, n) cin >> c[i]; ll ans = INF * (-1); ll sum; ll *sum_max = new ll[n + 1]; rep(i, n) { sum = 0; sum_max[0] = 0; ll counter = 0; int j = i; do { ++counter; j = p[j] - 1; sum += c[j]; sum_max[counter] = max(sum, sum_max[counter - 1]); } while (i != j); if (k <= counter || sum < 0) { if (sum_max[k] == 0) { sum = 0; sum_max[0] = c[p[i] - 1]; counter = 0; j = i; do { ++counter; j = p[j] - 1; sum += c[j]; sum_max[counter] = max(sum, sum_max[counter - 1]); } while (i != j); } ans = max(ans, sum_max[min(k, counter)]); } else { if (sum + sum_max[k % counter] >= sum_max[counter]) { ans = max(ans, sum * (k / counter) + sum_max[k % counter]); } else { ans = max(ans, sum * max((ll)0, k / counter - 1) + sum_max[counter]); } } } cout << ans << "\n"; return 0; }
#include <algorithm> #include <cmath> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <math.h> #include <queue> #include <set> #include <string.h> #include <string> #include <utility> #include <vector> // #include <boost/multiprecision/cpp_int.hpp> #define rep(i, n) for (int i = 0; i < n; ++i) #define REP(i, m, n) for (int i = m; i < n; ++i) #define rrep(i, n) for (int i = n; i >= 0; --i) #define RREP(i, m, n) for (int i = n; i >= m; --i) #define llrep(i, n) for (ll i = 0; i < n; ++i) #define llREP(i, m, n) for (ll i = m; i < n; ++i) #define llrrep(i, n) for (ll i = n; i >= 0; --i) #define llRREP(i, m, n) for (ll i = n; i >= m; --i) using ll = long long; using ull = unsigned long long; using pii = std::pair<int, int>; using pll = std::pair<long long, long long>; using pil = std::pair<int, long long>; using pli = std::pair<long long, int>; using plpii = std::pair<long long, std::pair<int, int>>; using pdd = std::pair<double, double>; const long long INF = 1000000000000000001; const long long _MOD = 1000000007; const long long MOD = 998244353; const int ALPHABET = 27; const double pi = 3.14159265358979; using namespace std; // namespace mp = boost::multiprecision; int main() { cin.tie(0); ios::sync_with_stdio(false); int n; ll k; cin >> n >> k; int *p = new int[n]; rep(i, n) cin >> p[i]; ll *c = new ll[n]; rep(i, n) cin >> c[i]; ll ans = INF * (-1); ll sum; ll *sum_max = new ll[n + 1]; rep(i, n) { sum = 0; sum_max[0] = 0; ll counter = 0; int j = i; do { ++counter; j = p[j] - 1; sum += c[j]; sum_max[counter] = max(sum, sum_max[counter - 1]); } while (i != j); if (k <= counter || sum < 0) { if (sum_max[min(k, counter)] == 0) { sum = 0; sum_max[0] = c[p[i] - 1]; counter = 0; j = i; do { ++counter; j = p[j] - 1; sum += c[j]; sum_max[counter] = max(sum, sum_max[counter - 1]); } while (i != j); } ans = max(ans, sum_max[min(k, counter)]); } else { if (sum + sum_max[k % counter] >= sum_max[counter]) { ans = max(ans, sum * (k / counter) + sum_max[k % counter]); } else { ans = max(ans, sum * max((ll)0, k / counter - 1) + sum_max[counter]); } } } cout << ans << "\n"; return 0; }
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p02585
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; using P = pair<ll, ll>; const ll mod = 1e9 + 7; #define ALL(x) (x).begin(), (x).end() #define REP(i, n) for (ll(i) = 0; (i) < (n); (i)++) #define REPS(i, n) for (ll(i) = 1; (i) <= (n); (i)++) #define RREP(i, n) for (ll(i) = (n - 1); (i) >= 0; (i)--) #define RREPS(i, n) for (ll(i) = (n); (i) > 0; (i)--) #define pb push_back #define mp make_pair #define F first #define S second #define UNIQUE(v) v.erase(unique(ALL(v)), v.end()); template <class T> inline void chmin(T &a, T b) { if (a > b) { a = b; } } template <class T> inline void chmax(T &a, T b) { if (a < b) { a = b; } } signed main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(12); ll N, K; cin >> N >> K; vector<ll> P(N); vector<ll> C(N); REP(i, N) cin >> P[i]; REP(i, N) P[i]--; REP(i, N) cin >> C[i]; ll max = -2000000000; REP(i, N) { if (P[i] == -1) continue; vector<ll> A(0); A.pb(C[i]); ll bef = P[i]; P[i] = -1; while (1) { A.pb(C[bef]); ll befo = bef; bef = P[bef]; P[befo] = -1; if (bef < 0) break; if (P[bef] == -1) break; } ll score = 0; ll nokori = K; ll allsum = 0; REP(l, A.size()) allsum += A[l]; if (allsum <= 0) { nokori = min(K, (ll)A.size() - 1); } else { if (nokori / A.size() > 1) { score += (nokori / A.size() - 1) * allsum; nokori %= A.size(); nokori += A.size(); } } ll siz = A.size(); REP(l, siz) { A.pb(A[l]); } REP(l, siz) { A.pb(A[l]); } vector<ll> rui(A.size() + 1); REP(i, A.size()) rui[i + 1] = A[i] + rui[i]; ll maxpls = -2000000000; REP(l, A.size() * 2 / 3) { REPS(al, nokori) { chmax(maxpls, rui[l + al] - rui[l]); } } score += maxpls; chmax(max, score); } cout << max << "\n"; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; using P = pair<ll, ll>; const ll mod = 1e9 + 7; #define ALL(x) (x).begin(), (x).end() #define REP(i, n) for (ll(i) = 0; (i) < (n); (i)++) #define REPS(i, n) for (ll(i) = 1; (i) <= (n); (i)++) #define RREP(i, n) for (ll(i) = (n - 1); (i) >= 0; (i)--) #define RREPS(i, n) for (ll(i) = (n); (i) > 0; (i)--) #define pb push_back #define mp make_pair #define F first #define S second #define UNIQUE(v) v.erase(unique(ALL(v)), v.end()); template <class T> inline void chmin(T &a, T b) { if (a > b) { a = b; } } template <class T> inline void chmax(T &a, T b) { if (a < b) { a = b; } } signed main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(12); ll N, K; cin >> N >> K; vector<ll> P(N); vector<ll> C(N); REP(i, N) cin >> P[i]; REP(i, N) P[i]--; REP(i, N) cin >> C[i]; ll max = -2000000000; REP(i, N) { if (P[i] == -1) continue; vector<ll> A(0); A.pb(C[i]); ll bef = P[i]; P[i] = -1; while (1) { A.pb(C[bef]); ll befo = bef; bef = P[bef]; P[befo] = -1; if (bef < 0) break; if (P[bef] == -1) break; } ll score = 0; ll nokori = K; ll allsum = 0; REP(l, A.size()) allsum += A[l]; if (allsum <= 0) { nokori = min(K, (ll)A.size() - 1); } else { if (nokori / A.size() > 1) { score += (nokori / A.size() - 1) * allsum; nokori %= A.size(); nokori += A.size(); } } ll siz = A.size(); REP(l, siz) { A.pb(A[l]); } REP(l, siz) { A.pb(A[l]); } vector<ll> rui(A.size() + 1); REP(i, A.size()) rui[i + 1] = A[i] + rui[i]; ll maxpls = -2000000000; REP(l, A.size() * 2 / 3) { REPS(al, nokori) { if (l + al >= A.size()) continue; chmax(maxpls, rui[l + al] - rui[l]); } } score += maxpls; chmax(max, score); } cout << max << "\n"; }
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p02585
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define FOR(i, n, m) for (int i = (int)(n); i <= (int)(m); i++) #define RFOR(i, n, m) for (int i = (int)(n); i >= (int)(m); i--) #define ITR(x, c) for (__typeof(c.begin()) x = c.begin(); x != c.end(); x++) #define RITR(x, c) for (__typeof(c.rbegin()) x = c.rbegin(); x != c.rend(); x++) #define setp(n) fixed << setprecision(n) template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define ll long long #define vll vector<ll> #define vi vector<int> #define pll pair<ll, ll> #define pi pair<int, int> #define all(a) (a.begin()), (a.end()) #define rall(a) (a.rbegin()), (a.rend()) #define fi first #define se second #define pb push_back #define ins insert #define debug(a) cerr << (a) << endl #define dbrep(a, n) \ rep(_i, n) cerr << (a[_i]) << " "; \ cerr << endl #define dbrep2(a, n, m) \ rep(_i, n) { \ rep(_j, m) cerr << (a[_i][_j]) << " "; \ cerr << endl; \ } using namespace std; template <class A, class B> ostream &operator<<(ostream &os, const pair<A, B> &p) { return os << "(" << p.fi << "," << p.se << ")"; } template <class A, class B> istream &operator>>(istream &is, pair<A, B> &p) { return is >> p.fi >> p.se; } /* Some Libraries */ //------------------------------------------------- int main(void) { cin.tie(0); ios::sync_with_stdio(false); int N, K; cin >> N >> K; vi P(N); vll C(N); rep(i, N) cin >> P[i], P[i]--; rep(i, N) cin >> C[i]; ll ans = (ll)-1e18; rep(i, N) { ll cand = 0; vll vec; vec.pb(C[i]); int cur = P[i]; while (cur != i) { vec.pb(C[cur]); cur = P[cur]; } int V = vec.size(); vll sum(V + 1); rep(i, V) sum[i + 1] = sum[i] + vec[i]; ll S = sum[V]; rep(i, V) chmax(sum[i + 2], sum[i + 1]); if (S > 0) { // Max int t = K / V; cand = S * t + sum[K % V]; // Max-1 if (t > 0) { t = K / V - 1; chmax(cand, S * t + sum[V]); } } else { cand = sum[min(K, V)]; } chmax(ans, cand); } cout << ans << "\n"; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define FOR(i, n, m) for (int i = (int)(n); i <= (int)(m); i++) #define RFOR(i, n, m) for (int i = (int)(n); i >= (int)(m); i--) #define ITR(x, c) for (__typeof(c.begin()) x = c.begin(); x != c.end(); x++) #define RITR(x, c) for (__typeof(c.rbegin()) x = c.rbegin(); x != c.rend(); x++) #define setp(n) fixed << setprecision(n) template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define ll long long #define vll vector<ll> #define vi vector<int> #define pll pair<ll, ll> #define pi pair<int, int> #define all(a) (a.begin()), (a.end()) #define rall(a) (a.rbegin()), (a.rend()) #define fi first #define se second #define pb push_back #define ins insert #define debug(a) cerr << (a) << endl #define dbrep(a, n) \ rep(_i, n) cerr << (a[_i]) << " "; \ cerr << endl #define dbrep2(a, n, m) \ rep(_i, n) { \ rep(_j, m) cerr << (a[_i][_j]) << " "; \ cerr << endl; \ } using namespace std; template <class A, class B> ostream &operator<<(ostream &os, const pair<A, B> &p) { return os << "(" << p.fi << "," << p.se << ")"; } template <class A, class B> istream &operator>>(istream &is, pair<A, B> &p) { return is >> p.fi >> p.se; } /* Some Libraries */ //------------------------------------------------- int main(void) { cin.tie(0); ios::sync_with_stdio(false); int N, K; cin >> N >> K; vi P(N); vll C(N); rep(i, N) cin >> P[i], P[i]--; rep(i, N) cin >> C[i]; ll ans = (ll)-1e18; rep(i, N) { ll cand = 0; vll vec; vec.pb(C[i]); int cur = P[i]; while (cur != i) { vec.pb(C[cur]); cur = P[cur]; } int V = vec.size(); vll sum(V + 1); rep(i, V) sum[i + 1] = sum[i] + vec[i]; ll S = sum[V]; rep(i, V - 1) chmax(sum[i + 2], sum[i + 1]); if (S > 0) { // Max int t = K / V; cand = S * t + sum[K % V]; // Max-1 if (t > 0) { t = K / V - 1; chmax(cand, S * t + sum[V]); } } else { cand = sum[min(K, V)]; } chmax(ans, cand); } cout << ans << "\n"; return 0; }
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p02585
Python
Runtime Error
import sys readline = sys.stdin.readline MOD = 10**9 + 7 INF = float("INF") sys.setrecursionlimit(10**5) def main(): n, k = map(int, readline().split()) p = list(map(int, readline().split())) p = [x - 1 for x in p] c = list(map(int, readline().split())) ans = -INF for i in range(n): cur = i nx = -1 cnt = 0 score_dict = dict() score_dict[0] = 0 score = 0 rem = k while rem > 0 and nx != i: cnt += 1 rem -= 1 nx = p[cur] score += c[nx] score_dict[cnt] = score ans = max(ans, score) cur = nx if rem > 0 and score > 0: loop = (rem // cnt) - 1 if loop > 0: score += score * loop rem -= loop * cnt for j in range(rem + 1): st = score + score_dict[j] ans = max(ans, st) print(ans) if __name__ == "__main__": main()
import sys readline = sys.stdin.readline MOD = 10**9 + 7 INF = float("INF") sys.setrecursionlimit(10**5) def main(): n, k = map(int, readline().split()) p = list(map(int, readline().split())) p = [x - 1 for x in p] c = list(map(int, readline().split())) ans = -INF for i in range(n): cur = i nx = -1 cnt = 0 score_dict = dict() score_dict[0] = 0 score = 0 rem = k while rem > 0 and nx != i: cnt += 1 rem -= 1 nx = p[cur] score += c[nx] score_dict[cnt] = score ans = max(ans, score) cur = nx if rem > 0 and score > 0: loop = (rem - 1) // cnt if loop > 0: score += score * loop rem -= loop * cnt for j in range(rem + 1): st = score + score_dict[j] ans = max(ans, st) print(ans) if __name__ == "__main__": main()
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p02585
C++
Memory Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; int N, K; vector<int> P, C; map<int, vector<pair<ll, int>>> memo; vector<pair<ll, int>> f(int k) { if (memo.count(k)) return memo[k]; if (k == 1) { vector<pair<ll, int>> r(N); for (int i = 0; i < N; ++i) { r[i] = {C[P[i]], P[i]}; } return memo[k] = r; } else { auto a = f(k / 2); auto b = f(k - k / 2); vector<pair<ll, int>> r(N); for (int i = 0; i < N; ++i) { auto x = a[i]; auto y = b[x.second]; r[i] = {x.first + y.first, y.second}; } return memo[k] = r; } } int main() { cin >> N >> K; P.resize(N); C.resize(N); for (auto &x : P) { cin >> x; --x; } for (auto &x : C) cin >> x; auto res = -(1LL << 62); for (int kk = 1; kk <= K; ++kk) { if (kk == N + 1 && kk < K - N) kk = K - N; for (auto x : f(kk)) { res = max(res, x.first); } } cout << res << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; int N, K; vector<int> P, C; map<int, vector<pair<ll, int>>> memo; vector<pair<ll, int>> f(int k) { if (memo.count(k)) return memo[k]; if (k == 1) { vector<pair<ll, int>> r(N); for (int i = 0; i < N; ++i) { r[i] = {C[P[i]], P[i]}; } return memo[k] = r; } else { int x = k / 2; if (N < K - N && k > K - N) { x = K - N; } int y = k - x; auto a = f(x); auto b = f(y); vector<pair<ll, int>> r(N); for (int i = 0; i < N; ++i) { auto x = a[i]; auto y = b[x.second]; r[i] = {x.first + y.first, y.second}; } return memo[k] = r; } } int main() { cin >> N >> K; P.resize(N); C.resize(N); for (auto &x : P) { cin >> x; --x; } for (auto &x : C) cin >> x; auto res = -(1LL << 62); for (int kk = 1; kk <= K; ++kk) { if (kk == N + 1 && kk < K - N) kk = K - N; for (auto x : f(kk)) { res = max(res, x.first); } } cout << res << endl; }
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MLE
p02585
C++
Runtime Error
#include <algorithm> #include <bitset> #include <cassert> #include <climits> #include <complex> #include <cstring> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> using namespace std; #define SZ(x) (int)(x.size()) #define REP(i, n) for (int i = 0; i < n; ++i) #define FOR(i, a, b) for (int i = a; i < b; ++i) #define RREP(i, n) for (int i = n - 1; i >= 0; --i) #define RFOR(i, a, b) for (int i = b - 1; i >= a; --i) #define all(x) begin(x), end(x) #define dump(x) cerr << #x << " = " << (x) << endl #define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl; using ll = long long; using vi = vector<int>; using vvi = vector<vi>; using vll = vector<ll>; using vvll = vector<vll>; using P = pair<int, int>; const double eps = 1e-8; const ll MOD = 1000000007; const int INF = INT_MAX / 2; const ll LINF = LLONG_MAX / 2; template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> p) { os << p.first << ":" << p.second; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << "["; REP(i, SZ(v)) { if (i) os << ", "; os << v[i]; } return os << "]"; } template <class T1, class T2> ostream &operator<<(ostream &os, const map<T1, T2> &mp) { os << "["; for (auto it = mp.begin(); it != mp.end(); ++it) { if (it != mp.begin()) { os << ", "; } os << *it; } return os << "]"; } // edit struct Solve { int N, K; vector<ll> cscore; vector<int> csize; vector<bool> visit; vector<int> P; vector<ll> C; void dfs(int v, int &sz, ll &score) { if (visit[v]) { // TODO return; } visit[v] = true; sz++; score += C[v]; dfs(P[v], sz, score); csize[v] = sz; cscore[v] = score; } ll dfs2(int v, int sz) { if (sz == 0) { return 0ll; } ll ret = max(0ll, dfs2(P[v], sz - 1)) + C[P[v]]; return ret; } void solve() { cin >> N >> K; cscore.resize(N, -1); csize.resize(N, -1); visit.resize(N, false); P.resize(N); C.resize(N); REP(i, N) cin >> P[i]; REP(i, N) P[i]--; REP(i, N) cin >> C[i]; REP(i, N) { int sz = 0; ll score = 0; if (!visit[i]) dfs(i, sz, score); } ll ans = -LINF; for (int i = 0; i < N; ++i) { if (cscore[i] <= 0) { ll score = 0; ll add = dfs2(i, K); score += add; chmax(ans, score); } else { ll div = max((ll)K / csize[i] - 1, 0ll); ll score = div * cscore[i]; ll nokori = K - div * csize[i]; ll add = dfs2(i, nokori); score += add; chmax(ans, score); } } cout << ans << endl; } }; int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(10); // std::ifstream in("input.txt"); // std::cin.rdbuf(in.rdbuf()); Solve().solve(); return 0; }
#include <algorithm> #include <bitset> #include <cassert> #include <climits> #include <complex> #include <cstring> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> using namespace std; #define SZ(x) (int)(x.size()) #define REP(i, n) for (int i = 0; i < n; ++i) #define FOR(i, a, b) for (int i = a; i < b; ++i) #define RREP(i, n) for (int i = n - 1; i >= 0; --i) #define RFOR(i, a, b) for (int i = b - 1; i >= a; --i) #define all(x) begin(x), end(x) #define dump(x) cerr << #x << " = " << (x) << endl #define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl; using ll = long long; using vi = vector<int>; using vvi = vector<vi>; using vll = vector<ll>; using vvll = vector<vll>; using P = pair<int, int>; const double eps = 1e-8; const ll MOD = 1000000007; const int INF = INT_MAX / 2; const ll LINF = LLONG_MAX / 2; template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> p) { os << p.first << ":" << p.second; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << "["; REP(i, SZ(v)) { if (i) os << ", "; os << v[i]; } return os << "]"; } template <class T1, class T2> ostream &operator<<(ostream &os, const map<T1, T2> &mp) { os << "["; for (auto it = mp.begin(); it != mp.end(); ++it) { if (it != mp.begin()) { os << ", "; } os << *it; } return os << "]"; } // edit struct Solve { int N, K; vector<ll> cscore; vector<int> csize; vector<bool> visit; vector<int> P; vector<ll> C; void dfs(int v, int &sz, ll &score) { if (visit[v]) { // TODO return; } visit[v] = true; sz++; score += C[v]; dfs(P[v], sz, score); csize[v] = sz; cscore[v] = score; } ll dfs2(int v, int sz) { if (sz == 0) { return 0ll; } ll ret = max(0ll, dfs2(P[v], sz - 1)) + C[P[v]]; return ret; } void solve() { cin >> N >> K; cscore.resize(N, -1); csize.resize(N, -1); visit.resize(N, false); P.resize(N); C.resize(N); REP(i, N) cin >> P[i]; REP(i, N) P[i]--; REP(i, N) cin >> C[i]; REP(i, N) { int sz = 0; ll score = 0; if (!visit[i]) dfs(i, sz, score); } ll ans = -LINF; for (int i = 0; i < N; ++i) { if (cscore[i] <= 0) { ll score = 0; ll add = dfs2(i, min(N, K)); score += add; chmax(ans, score); } else { ll div = max((ll)K / csize[i] - 1, 0ll); ll score = div * cscore[i]; ll nokori = K - div * csize[i]; ll add = dfs2(i, nokori); score += add; chmax(ans, score); } } cout << ans << endl; } }; int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(10); // std::ifstream in("input.txt"); // std::cin.rdbuf(in.rdbuf()); Solve().solve(); return 0; }
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p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define FOR(i, a, b) for (ll i = (ll)a; i <= (ll)b; i++) #define DEC(i, a, b) for (ll i = (ll)a; i >= (ll)b; i--) typedef pair<ll, ll> pi; typedef pair<ll, pi> pii; typedef pair<pi, pi> pipi; #define f first #define s second typedef vector<ll> vi; typedef vector<pi> vpi; typedef vector<pii> vpii; #define pb push_back #define pf push_front #define all(v) v.begin(), v.end() #define disc(v) \ sort(all(v)); \ v.resize(unique(all(v)) - v.begin()); #define INF (ll)1e9 + 100 #define LLINF (ll)1e18 #define fastio \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) mt19937 rng(chrono::steady_clock::now() .time_since_epoch() .count()); // can be used by calling rng() or shuffle(A, A+n, rng) inline ll rand(ll x, ll y) { ++y; return (rng() % (y - x)) + x; } // inclusivesss ll n, k, p[5005], c[5005], ans = -LLINF; ll f(ll x) { ll res = -LLINF, cur = 0; FOR(i, 1, k) { x = p[x]; cur += c[x]; res = max(res, cur); } return res; } int main() { fastio; cin >> n >> k; FOR(i, 1, n) cin >> p[i]; FOR(i, 1, n) cin >> c[i]; FOR(i, 1, n) ans = max(ans, f(i)); cout << ans; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define FOR(i, a, b) for (ll i = (ll)a; i <= (ll)b; i++) #define DEC(i, a, b) for (ll i = (ll)a; i >= (ll)b; i--) typedef pair<ll, ll> pi; typedef pair<ll, pi> pii; typedef pair<pi, pi> pipi; #define f first #define s second typedef vector<ll> vi; typedef vector<pi> vpi; typedef vector<pii> vpii; #define pb push_back #define pf push_front #define all(v) v.begin(), v.end() #define disc(v) \ sort(all(v)); \ v.resize(unique(all(v)) - v.begin()); #define INF (ll)1e9 + 100 #define LLINF (ll)1e18 #define fastio \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) mt19937 rng(chrono::steady_clock::now() .time_since_epoch() .count()); // can be used by calling rng() or shuffle(A, A+n, rng) inline ll rand(ll x, ll y) { ++y; return (rng() % (y - x)) + x; } // inclusivesss ll n, k, p[5005], c[5005], ans = -LLINF; ll f(ll x) { ll res = -LLINF, cur = 0, st = x, num = 0; while (num < k) { num++; st = p[st]; cur += c[st]; res = max(res, cur); if (st == x) break; } if (num == k) return res; cur *= (k / num - 1); res = max(res, cur); FOR(i, 1, num + k % num) { st = p[st]; cur += c[st]; res = max(res, cur); } return res; } int main() { fastio; cin >> n >> k; FOR(i, 1, n) cin >> p[i]; FOR(i, 1, n) cin >> c[i]; FOR(i, 1, n) ans = max(ans, f(i)); cout << ans; }
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TLE
p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { ll N, K; cin >> N >> K; vector<ll> P(N), C(N); for (auto &x : P) cin >> x, x--; for (auto &x : C) cin >> x; ll res = -1e18; for (int i = 0; i < N; i++) { vector<ll> sum; ll t = 0; int idx = i; do { t += C[idx]; sum.push_back(t); idx = P[idx]; } while (idx - i); for (int j = 0; j < min<int>(K, sum.size()); j++) res = max(res, sum[j]); ll s = sum.back() * (K / sum.size()); ll k = K % sum.size(); for (int j = 0; j < k, sum.size(); j++) { res = max(res, s + sum[j]); } } cout << res << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { ll N, K; cin >> N >> K; vector<ll> P(N), C(N); for (auto &x : P) cin >> x, x--; for (auto &x : C) cin >> x; ll res = -1e18; for (int i = 0; i < N; i++) { vector<ll> sum; ll t = 0; int idx = i; do { t += C[idx]; sum.push_back(t); idx = P[idx]; } while (idx - i); for (int j = 0; j < min<int>(K, sum.size()); j++) res = max(res, sum[j]); ll sz = sum.size(); for (int j = 0; j < sz; j++) { if (j < K % sz) { res = max(res, K / sz * sum.back() + sum[j]); } else { int cnt = K / sz - 1; if (cnt < 0) break; res = max(res, cnt * sum.back() + sum[j]); } } } cout << res << endl; }
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TLE
p02585
C++
Time Limit Exceeded
#include <algorithm> #include <bitset> #include <cmath> #include <cstdio> #include <cstring> #include <deque> #include <forward_list> #include <functional> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <tuple> #include <utility> #include <vector> #define rep(i, s, g) for ((i) = (s); (i) < (g); ++(i)) using namespace std; using ll = long long; using P = pair<ll, ll>; const ll MOD = 1e9 + 7; const ll INF = (1ll << 60); int main(void) { ll n, k; ll ans = -INF; cin >> n >> k; vector<ll> p(n), c(n); for (int i = 0; i < n; i++) { cin >> p[i]; p[i]--; } for (int i = 0; i < n; i++) { cin >> c[i]; } for (int i = 0; i < n; i++) { ll cycle_sum = 0; ll next_i = i; ll cycle_cnt = 0; while (true) { cycle_cnt++; next_i = p[next_i]; cycle_sum += c[next_i]; if (next_i == i) { break; } } next_i = i; ll cnt = 0; ll path = 0; while (true) { cnt++; path += c[next_i]; if (cnt > k) { break; } ll score = path + max(0ll, cycle_sum) * ((k - cnt) / cycle_cnt); ans = max(ans, score); next_i = p[next_i]; } } cout << ans << endl; }
#include <algorithm> #include <bitset> #include <cmath> #include <cstdio> #include <cstring> #include <deque> #include <forward_list> #include <functional> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <tuple> #include <utility> #include <vector> #define rep(i, s, g) for ((i) = (s); (i) < (g); ++(i)) using namespace std; using ll = long long; using P = pair<ll, ll>; const ll MOD = 1e9 + 7; const ll INF = (1ll << 60); int main(void) { ll n, k; ll ans = -INF; cin >> n >> k; vector<ll> p(n), c(n); for (int i = 0; i < n; i++) { cin >> p[i]; p[i]--; } for (int i = 0; i < n; i++) { cin >> c[i]; } for (int i = 0; i < n; i++) { ll cycle_sum = 0; ll next_i = i; ll cycle_cnt = 0; while (true) { cycle_cnt++; next_i = p[next_i]; cycle_sum += c[next_i]; if (next_i == i) { break; } } next_i = i; ll cnt = 0; ll path = 0; while (true) { cnt++; path += c[next_i]; if (cnt > k) { break; } ll score = path + max(0ll, cycle_sum) * ((k - cnt) / cycle_cnt); ans = max(ans, score); next_i = p[next_i]; if (next_i == i) { break; } } } cout << ans << endl; }
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TLE
p02585
C++
Runtime Error
#include "list" #include <algorithm> #include <bitset> #include <cmath> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <unordered_set> #include <vector> using namespace std; using ll = long long; using ull = unsigned long long; // const ll mod = 998244353; const ll mod = 1000000007; const int inf = 1e9; const ll linf = 1e18; const int DX[] = {1, -1, 0, 0}; const int DY[] = {0, 0, 1, -1}; #define rep(i, n) for (ll i = 0; i < (n); ++i) #define rep_from(i, j, n) for (ll i = (j); i < (n); ++i) #define rep_rev(i, n) for (ll i = n - 1; i >= 0; --i) #define rep_from_rev(i, j, n) for (ll i = n - 1; i >= j; --i) #define all(x) (x).begin(), (x).end() #define sz(x) ll(x.size()) template <typename T> inline T chmax(T &a, const T b) { return a = (a < b) ? b : a; } template <typename T> inline T chmin(T &a, const T b) { return a = (a > b) ? b : a; } ll power(ll base, ll exponent) { if (exponent % 2) { return power(base, exponent - 1) * base % mod; } else if (exponent) { ll root_ans = power(base, exponent / 2); return root_ans * root_ans % mod; } else { return 1; } } ll inverse(ll x) { return power(x, mod - 2); } ll gcd(ll a, ll b) { if (a < b) gcd(b, a); ll r; while (r = a % b) { a = b; b = r; } return b; } template <typename T> ll sum(T begin, T end) { return accumulate(begin, end, 0ll); } template <typename T> struct combination { vector<ll> fact, inv; combination(int sz) : fact(sz + 1), inv(sz + 1) { fact[0] = 1; for (int i = 1; i <= sz; i++) { fact[i] = fact[i - 1] * i % mod; } inv[sz] = power(fact[sz], mod - 2); for (int i = sz - 1; i >= 0; i--) { inv[i] = inv[i + 1] * (i + 1) % mod; } } T C(int p, int q) const { if (q < 0 || p < q) return 0; return T(fact[p] * inv[q] % mod * inv[p - q] % mod); } T P(int p, int q) const { if (p < 0 || p < q) return 0; return T(fact[p] * inv[p - q] % mod); } }; using Pair = pair<int, int>; using LPair = pair<ll, ll>; template <ll Modulus> struct ModInt { ll a; constexpr ModInt(const ll x = 0) noexcept : a((x % mod + mod) % mod) {} constexpr ll &value() noexcept { return a; } constexpr const ll &value() const noexcept { return a; } constexpr ModInt operator+(const ModInt x) const noexcept { return ModInt(*this) += x; } constexpr ModInt operator-(const ModInt x) const noexcept { return ModInt(*this) -= x; } constexpr ModInt operator*(const ModInt x) const noexcept { return ModInt(*this) *= x; } constexpr ModInt operator/(const ModInt x) const noexcept { return ModInt(*this) /= x; } constexpr ModInt &operator+=(const ModInt x) noexcept { a += x.a; if (a >= Modulus) { a -= Modulus; } return *this; } constexpr ModInt &operator-=(const ModInt x) noexcept { if (a < x.a) { a += Modulus; } a -= x.a; return *this; } constexpr ModInt &operator*=(const ModInt x) noexcept { a = a * x.a % Modulus; return *this; } constexpr ModInt &operator/=(ModInt x) noexcept { ll exp = Modulus - 2; while (exp) { if (exp % 2) { *this *= x; } x *= x; exp /= 2; } return *this; } constexpr ModInt operator-() noexcept { return ModInt(-a); } friend ostream &operator<<(ostream &os, const ModInt &m) { os << m.a; return os; } }; using mint = ModInt<mod>; struct UnionFind { vector<int> par; vector<int> next; UnionFind(int n) : par(n, -1), next(n) { iota(all(next), 0); } int root(int x) { if (par[x] < 0) return x; return par[x] = root(par[x]); } void unite(int x, int y) { x = root(x); y = root(y); if (x == y) return; if (par[x] > par[y]) swap(x, y); par[x] += par[y]; par[y] = x; swap(next[x], next[y]); } private: void unite_list(int x, int y) {} bool same(int x, int y) { int rx = root(x); int ry = root(y); return rx == ry; } int size(int x) { return -par[root(x)]; } }; map<ll, int> primeFactorization(ll a) { map<ll, int> mp; for (ll i = 2; i * i <= a; i++) { while (a % i == 0) { mp[i]++; a /= i; } } if (a > 1) mp[a]++; return mp; } int main() { ios::sync_with_stdio(false); cout << fixed << setprecision(15); ll n, k; cin >> n >> k; vector<int> p(n), c(n); rep(i, n) cin >> p[i]; rep(i, n) cin >> c[i]; rep(i, n) p[i]--; vector<int> used(n); vector<vector<int>> cyc; rep(i, n) { int x = i; if (used[x]) continue; vector<int> a; while (!used[x]) { used[x] = 1; a.push_back(x); x = p[x]; } cyc.push_back(a); } ll ans = -linf; for (auto v : cyc) { vector<ll> cum(2 * sz(v) + 1); rep(i, 2 * sz(v)) cum[i + 1] = cum[i] + c[v[i % sz(v)]]; vector<ll> dp(sz(v) + 1, -linf); rep(i, sz(v)) rep_from(j, i, 2 * sz(v)) chmax(dp[j - i + 1], cum[j + 1] - cum[i]); rep_from(i, 1, sz(v)) chmax(dp[i + 1], dp[i]); ll cnt = k / sz(v); ll loop = 0; for (int x : v) loop += c[x]; chmax(ans, dp[min(sz(v), k)]); if (k > sz(v)) { chmax(ans, dp[min(sz(v), k)] + loop * (cnt - 1)); } chmax(ans, dp[k % sz(v)] + loop * cnt); } cout << ans << endl; }
#include "list" #include <algorithm> #include <bitset> #include <cmath> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <unordered_set> #include <vector> using namespace std; using ll = long long; using ull = unsigned long long; // const ll mod = 998244353; const ll mod = 1000000007; const int inf = 1e9; const ll linf = 1e18; const int DX[] = {1, -1, 0, 0}; const int DY[] = {0, 0, 1, -1}; #define rep(i, n) for (ll i = 0; i < (n); ++i) #define rep_from(i, j, n) for (ll i = (j); i < (n); ++i) #define rep_rev(i, n) for (ll i = n - 1; i >= 0; --i) #define rep_from_rev(i, j, n) for (ll i = n - 1; i >= j; --i) #define all(x) (x).begin(), (x).end() #define sz(x) ll(x.size()) template <typename T> inline T chmax(T &a, const T b) { return a = (a < b) ? b : a; } template <typename T> inline T chmin(T &a, const T b) { return a = (a > b) ? b : a; } ll power(ll base, ll exponent) { if (exponent % 2) { return power(base, exponent - 1) * base % mod; } else if (exponent) { ll root_ans = power(base, exponent / 2); return root_ans * root_ans % mod; } else { return 1; } } ll inverse(ll x) { return power(x, mod - 2); } ll gcd(ll a, ll b) { if (a < b) gcd(b, a); ll r; while (r = a % b) { a = b; b = r; } return b; } template <typename T> ll sum(T begin, T end) { return accumulate(begin, end, 0ll); } template <typename T> struct combination { vector<ll> fact, inv; combination(int sz) : fact(sz + 1), inv(sz + 1) { fact[0] = 1; for (int i = 1; i <= sz; i++) { fact[i] = fact[i - 1] * i % mod; } inv[sz] = power(fact[sz], mod - 2); for (int i = sz - 1; i >= 0; i--) { inv[i] = inv[i + 1] * (i + 1) % mod; } } T C(int p, int q) const { if (q < 0 || p < q) return 0; return T(fact[p] * inv[q] % mod * inv[p - q] % mod); } T P(int p, int q) const { if (p < 0 || p < q) return 0; return T(fact[p] * inv[p - q] % mod); } }; using Pair = pair<int, int>; using LPair = pair<ll, ll>; template <ll Modulus> struct ModInt { ll a; constexpr ModInt(const ll x = 0) noexcept : a((x % mod + mod) % mod) {} constexpr ll &value() noexcept { return a; } constexpr const ll &value() const noexcept { return a; } constexpr ModInt operator+(const ModInt x) const noexcept { return ModInt(*this) += x; } constexpr ModInt operator-(const ModInt x) const noexcept { return ModInt(*this) -= x; } constexpr ModInt operator*(const ModInt x) const noexcept { return ModInt(*this) *= x; } constexpr ModInt operator/(const ModInt x) const noexcept { return ModInt(*this) /= x; } constexpr ModInt &operator+=(const ModInt x) noexcept { a += x.a; if (a >= Modulus) { a -= Modulus; } return *this; } constexpr ModInt &operator-=(const ModInt x) noexcept { if (a < x.a) { a += Modulus; } a -= x.a; return *this; } constexpr ModInt &operator*=(const ModInt x) noexcept { a = a * x.a % Modulus; return *this; } constexpr ModInt &operator/=(ModInt x) noexcept { ll exp = Modulus - 2; while (exp) { if (exp % 2) { *this *= x; } x *= x; exp /= 2; } return *this; } constexpr ModInt operator-() noexcept { return ModInt(-a); } friend ostream &operator<<(ostream &os, const ModInt &m) { os << m.a; return os; } }; using mint = ModInt<mod>; struct UnionFind { vector<int> par; vector<int> next; UnionFind(int n) : par(n, -1), next(n) { iota(all(next), 0); } int root(int x) { if (par[x] < 0) return x; return par[x] = root(par[x]); } void unite(int x, int y) { x = root(x); y = root(y); if (x == y) return; if (par[x] > par[y]) swap(x, y); par[x] += par[y]; par[y] = x; swap(next[x], next[y]); } private: void unite_list(int x, int y) {} bool same(int x, int y) { int rx = root(x); int ry = root(y); return rx == ry; } int size(int x) { return -par[root(x)]; } }; map<ll, int> primeFactorization(ll a) { map<ll, int> mp; for (ll i = 2; i * i <= a; i++) { while (a % i == 0) { mp[i]++; a /= i; } } if (a > 1) mp[a]++; return mp; } int main() { ios::sync_with_stdio(false); cout << fixed << setprecision(15); ll n, k; cin >> n >> k; vector<int> p(n), c(n); rep(i, n) cin >> p[i]; rep(i, n) cin >> c[i]; rep(i, n) p[i]--; vector<int> used(n); vector<vector<int>> cyc; rep(i, n) { int x = i; if (used[x]) continue; vector<int> a; while (!used[x]) { used[x] = 1; a.push_back(x); x = p[x]; } cyc.push_back(a); } ll ans = -linf; for (auto v : cyc) { vector<ll> cum(2 * sz(v) + 1); rep(i, 2 * sz(v)) cum[i + 1] = cum[i] + c[v[i % sz(v)]]; vector<ll> dp(2 * sz(v) + 1, -linf); rep(i, sz(v)) rep_from(j, i, 2 * sz(v)) chmax(dp[j - i + 1], cum[j + 1] - cum[i]); rep_from(i, 1, sz(v)) chmax(dp[i + 1], dp[i]); ll cnt = k / sz(v); ll loop = 0; for (int x : v) loop += c[x]; chmax(ans, dp[min(sz(v), k)]); if (k > sz(v)) { chmax(ans, dp[min(sz(v), k)] + loop * (cnt - 1)); } chmax(ans, dp[k % sz(v)] + loop * cnt); } cout << ans << endl; }
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p02585
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; using P = pair<int, int>; int main() { ll n, k; ll r; cin >> n >> k; vector<vector<ll>> v(n); vector<ll> p(n), c(n), siz(n, 0); for (ll &i : p) cin >> i, --i; for (ll &i : c) cin >> i; r = c[0]; for (ll i = 0; i < n; ++i) { ll cur = i, sum = 0; do { ++siz[i]; v[i].push_back(sum += c[cur]); cur = p[cur]; } while (cur != i); } for (ll i = 0; i < n; ++i) { ll kt = k, s = 0, tail = v[i].back(); if (kt > siz[i] * 2 && tail > 0) { s = tail * (k / siz[i] - 1); kt = k % siz[i] + siz[i]; } for (ll j = 0; j < kt; ++j) r = max(r, s + v[i][j % siz[i]] + tail * (j >= siz[i])); } cout << r; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int, int>; int main() { ll n, k; ll r; cin >> n >> k; vector<vector<ll>> v(n); vector<ll> p(n), c(n), siz(n, 0); for (ll &i : p) cin >> i, --i; for (ll &i : c) cin >> i; r = c[0]; for (ll i = 0; i < n; ++i) { ll cur = i, sum = 0; do { ++siz[i]; v[i].push_back(sum += c[cur]); cur = p[cur]; } while (cur != i); } for (ll i = 0; i < n; ++i) { ll kt = k, s = 0, tail = v[i].back(); if (k > siz[i] * 2) { if (tail > 0) { s = tail * (k / siz[i] - 1); kt = k % siz[i] + siz[i]; } else kt = siz[i]; } for (ll j = 0; j < kt; ++j) r = max(r, s + v[i][j % siz[i]] + tail * (j >= siz[i])); } cout << r; }
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TLE
p02585
C++
Time Limit Exceeded
#pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx") #pragma GCC optimize("unroll-loops") // #pragma warning(disable : 4996) #ifdef _MSC_VER #include <intrin.h> #define __builtin_popcount __popcnt #define __builtin_popcountll __popcnt64 #endif #include <limits.h> #include <math.h> #include <time.h> #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <complex> #include <cstdio> #include <cstring> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; #define REP(i, n) for (int i = 0; i < (n); ++i) #define REPR(i, n) for (int i = n - 1; i >= 0; --i) #define FOR(i, m, n) for (int i = m; i < n; ++i) #define FORR(i, m, n) for (int i = m - 1; i >= n; --i) #define SORT(v, n) sort(v, v + n); #define VSORT(v) sort(v.begin(), v.end()); #define REVERSE(v, n) reverse(v, v + n); #define VREVERSE(v) reverse(v.begin(), v.end()) #define ll long long #define print(x) cout << (x) << '\n' #define pe(x) cout << (x) << " " #define DEBUG(x) cout << #x << ": " << x << endl #define lb(v, n) lower_bound(v.begin(), v.end(), (n)) #define ub(v, n) upper_bound(v.begin(), v.end(), (n)) #define int long long // #define double long double #define all(x) (x).begin(), (x).end() #define print_space(v) \ REP(i, v.size()) cout << v[i] << " \n"[i == (int)v.size() - 1] 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> pii; typedef pair<long long, long long> pll; std::random_device rd; std::mt19937 mt(rd()); constexpr ll MOD = 1e9 + 7; constexpr int MAX = 500050; const double pi = acos(-1); constexpr double EPS = 1e-8; constexpr ll LINF = 1e18 + 1; constexpr int INF = 1e9 + 1; // int dx[4] = { 0,0,-1,1 }, dy[4] = { 1,-1,0,0 }; void solve() { int N, K; cin >> N >> K; vector<int> P(N), C(N); REP(i, N) { cin >> P[i]; P[i]--; } REP(i, N) cin >> C[i]; ll ans = -LINF; vector<int> cnt(N), sum(N); REP(i, N) { int pos = i; int res = 0; REP(_, N) { pos = P[pos]; res += C[pos]; cnt[i]++; if (pos == i) break; } sum[i] = res; } REP(i, N) { ll res = 0; if (sum[i] > 0 && K > cnt[i] * 2) { ll c = K / cnt[i] - 1; res += c * sum[i]; int rem = K - c * cnt[i]; if (c > 0) chmax(ans, res); int pos = i; REP(_, rem) { pos = P[pos]; res += C[pos]; chmax(ans, res); } } else { int pos = i; REP(_, K) { pos = P[pos]; res += C[pos]; chmax(ans, res); } } } print(ans); } signed main() { cin.tie(0); ios::sync_with_stdio(false); // int q; // cin >> q; // while (q--) solve(); }
#pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx") #pragma GCC optimize("unroll-loops") // #pragma warning(disable : 4996) #ifdef _MSC_VER #include <intrin.h> #define __builtin_popcount __popcnt #define __builtin_popcountll __popcnt64 #endif #include <limits.h> #include <math.h> #include <time.h> #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <complex> #include <cstdio> #include <cstring> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; #define REP(i, n) for (int i = 0; i < (n); ++i) #define REPR(i, n) for (int i = n - 1; i >= 0; --i) #define FOR(i, m, n) for (int i = m; i < n; ++i) #define FORR(i, m, n) for (int i = m - 1; i >= n; --i) #define SORT(v, n) sort(v, v + n); #define VSORT(v) sort(v.begin(), v.end()); #define REVERSE(v, n) reverse(v, v + n); #define VREVERSE(v) reverse(v.begin(), v.end()) #define ll long long #define print(x) cout << (x) << '\n' #define pe(x) cout << (x) << " " #define DEBUG(x) cout << #x << ": " << x << endl #define lb(v, n) lower_bound(v.begin(), v.end(), (n)) #define ub(v, n) upper_bound(v.begin(), v.end(), (n)) #define int long long // #define double long double #define all(x) (x).begin(), (x).end() #define print_space(v) \ REP(i, v.size()) cout << v[i] << " \n"[i == (int)v.size() - 1] 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> pii; typedef pair<long long, long long> pll; std::random_device rd; std::mt19937 mt(rd()); constexpr ll MOD = 1e9 + 7; constexpr int MAX = 500050; const double pi = acos(-1); constexpr double EPS = 1e-8; constexpr ll LINF = 1e18 + 1; constexpr int INF = 1e9 + 1; // int dx[4] = { 0,0,-1,1 }, dy[4] = { 1,-1,0,0 }; void solve() { int N, K; cin >> N >> K; vector<int> P(N), C(N); REP(i, N) { cin >> P[i]; P[i]--; } REP(i, N) cin >> C[i]; ll ans = -LINF; vector<int> cnt(N), sum(N); REP(i, N) { int pos = i; int res = 0; REP(_, N) { pos = P[pos]; res += C[pos]; cnt[i]++; if (pos == i) break; } sum[i] = res; } REP(i, N) { ll res = 0; if (K > cnt[i] * 2) { if (sum[i] > 0 && K > cnt[i] * 2) { ll c = K / cnt[i] - 1; res += c * sum[i]; int rem = K - c * cnt[i]; if (c > 0) chmax(ans, res); int pos = i; REP(_, rem) { pos = P[pos]; res += C[pos]; chmax(ans, res); } } else { int pos = i; REP(_, min(N, K)) { pos = P[pos]; res += C[pos]; chmax(ans, res); } } } else { int pos = i; REP(_, K) { pos = P[pos]; res += C[pos]; chmax(ans, res); } } } print(ans); } signed main() { cin.tie(0); ios::sync_with_stdio(false); // int q; // cin >> q; // while (q--) solve(); }
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TLE
p02585
C++
Runtime Error
#include <bits/stdc++.h> #define MOD (long long)(1e9 + 7) using namespace std; long long n, k, vis[5005]; long long p[5005], c[5005], sum[5005], ans = -1e18; int main() { cin >> n >> k; for (int i = 1; i <= n; i++) cin >> p[i]; for (int i = 1; i <= n; i++) cin >> c[i]; for (int i = 1; i <= n; i++) { long long s = c[i]; vector<long long> ti; ti.push_back(s); for (int j = p[i]; j != i; j = p[i]) { s += c[j]; ti.push_back(s); } int len = ti.size(); for (int j = 0; j < len; j++) { long long rest = k - j - 1; if (rest < 0) break; ans = max(ans, rest / len * max(0LL, s) + ti[j]); } } cout << ans; }
#include <bits/stdc++.h> #define MOD (long long)(1e9 + 7) using namespace std; long long n, k, vis[5005]; long long p[5005], c[5005], sum[5005], ans = -1e18; int main() { cin >> n >> k; for (int i = 1; i <= n; i++) cin >> p[i]; for (int i = 1; i <= n; i++) cin >> c[i]; for (int i = 1; i <= n; i++) { long long s = c[i]; vector<long long> ti; ti.push_back(s); for (int j = p[i]; j != i; j = p[j]) { s += c[j]; ti.push_back(s); } int len = ti.size(); for (int j = 0; j < len; j++) { long long rest = k - j - 1; if (rest < 0) break; ans = max(ans, rest / len * max(0LL, s) + ti[j]); } } cout << ans; }
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-6
terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc
p02585
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int maxn = 2e2 + 9; const double ep = 1e-7; const int mod = 998244353; const double pi = acos(-1); const int INF = -1e9; #define mk make_pair #define PII pair<int, int> #define PIII pair<int, PII> #define PIL pair<int, ll> #define PLI pair<ll, int> #define eb emplace_back typedef long long ll; ll n, k, p[maxn], c[maxn], ans = -1e9; int main() { scanf("%lld%lld", &n, &k); for (int i = 1; i <= n; i++) scanf("%lld", &p[i]); for (int i = 1; i <= n; i++) scanf("%lld", &c[i]); for (int i = 1; i <= n; i++) { ll now = i, num = 0, sum = 0; do { now = p[now]; sum += c[now]; num++; } while (now != i); now = i; ll ss = 0; for (int j = 1; j <= min(k, num); j++) { now = p[now]; ss += c[now]; ans = max(ans, ss); ans = max(ans, ss + sum * ((k - j) / num)); } } printf("%lld\n", ans); }
#include <bits/stdc++.h> using namespace std; const int maxn = 5e3 + 9; const double ep = 1e-7; const int mod = 998244353; const double pi = acos(-1); const int INF = -1e9; #define mk make_pair #define PII pair<int, int> #define PIII pair<int, PII> #define PIL pair<int, ll> #define PLI pair<ll, int> #define eb emplace_back typedef long long ll; ll n, k, p[maxn], c[maxn], ans = -1e9; int main() { scanf("%lld%lld", &n, &k); for (int i = 1; i <= n; i++) scanf("%lld", &p[i]); for (int i = 1; i <= n; i++) scanf("%lld", &c[i]); for (int i = 1; i <= n; i++) { ll now = i, num = 0, sum = 0; do { now = p[now]; sum += c[now]; num++; } while (now != i); now = i; ll ss = 0; for (int j = 1; j <= min(k, num); j++) { now = p[now]; ss += c[now]; ans = max(ans, ss); ans = max(ans, ss + sum * ((k - j) / num)); } } printf("%lld\n", ans); }
replace
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2
3
0
p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define ll long long #define endl '\n' #define pii pair<int, int> #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); #define fio \ freopen("input.txt", "r", stdin); \ freopen("output.txt", "w", stdout); #define vll vector<long long int> #define vpii vector<pair<int, int>> #define dsc [](int a, int b) -> bool { return a > b; } #define pb push_back #define mp make_pair #define vi vector<int> #define MAX 1000000000000000000 #define test \ int t; \ cin >> t; #define MOD 1000000007 #define all(x) (x).begin(), (x).end() using namespace std; ll nxt() { ll x; cin >> x; return x; } ll it; void dfs(int i, int j) { it++; if (i + 1 < 3000) dfs(i + 1, j); if (j + 1 < 3000) dfs(i, j + 1); } int main() { #ifndef ONLINE_JUDGE fio #endif IOS ll n = nxt(), k = nxt(); vector<ll> p(n), c(n); generate(all(p), nxt); generate(all(c), nxt); vector<bool> visited(n, 0); vector<vector<ll>> groups; ll res = LLONG_MIN; for (int i = 0; i < n; i++) { if (!visited[i]) { visited[i] = true; vector<ll> g; int j = i; while (!visited[p[j] - 1]) { j = p[j] - 1; visited[j] = true; g.pb(c[j]); } g.pb(c[i]); groups.pb(g); } } for (vector<ll> g : groups) { ll m = g.size(); for (int i = 0; i < m; i++) { ll tmp = 0; ll kk = k; int j = i; while (kk--) { tmp += g[j % m]; j++; res = max(res, tmp); } } } cout << res << endl; return 0; }
#include <bits/stdc++.h> #define ll long long #define endl '\n' #define pii pair<int, int> #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); #define fio \ freopen("input.txt", "r", stdin); \ freopen("output.txt", "w", stdout); #define vll vector<long long int> #define vpii vector<pair<int, int>> #define dsc [](int a, int b) -> bool { return a > b; } #define pb push_back #define mp make_pair #define vi vector<int> #define MAX 1000000000000000000 #define test \ int t; \ cin >> t; #define MOD 1000000007 #define all(x) (x).begin(), (x).end() using namespace std; ll nxt() { ll x; cin >> x; return x; } ll it; void dfs(int i, int j) { it++; if (i + 1 < 3000) dfs(i + 1, j); if (j + 1 < 3000) dfs(i, j + 1); } int main() { #ifndef ONLINE_JUDGE fio #endif IOS ll n = nxt(), k = nxt(); vector<ll> p(n), c(n); generate(all(p), nxt); generate(all(c), nxt); vector<bool> visited(n, 0); vector<vector<ll>> groups; ll res = LLONG_MIN; for (int i = 0; i < n; i++) { if (!visited[i]) { visited[i] = true; vector<ll> g; int j = i; while (!visited[p[j] - 1]) { j = p[j] - 1; visited[j] = true; g.pb(c[j]); } g.pb(c[i]); groups.pb(g); } } for (vector<ll> g : groups) { ll m = g.size(); if (m > k) { for (int i = 0; i < m; i++) { ll kk = k; int j = i; ll tmp = 0; while (kk--) { tmp += g[j % m]; j++; res = max(res, tmp); } } } else { for (int i = 0; i < m; i++) { ll kk = m; int j = i; ll tmp = 0; while (kk--) { tmp += g[j % m]; j++; res = max(res, tmp); } } ll tot = 0; for (int i = 0; i < m; i++) { tot += g[i]; res = max(res, tot); } if (k / m > 1) { ll ttot = max(tot, (k / m - 1) * tot); for (int i = 0; i < m; i++) { ll kk = m; int j = i; ll tmp = 0; while (kk--) { tmp += g[j % m]; j++; res = max(res, tmp); res = max(res, ttot + tmp); } } } tot = max(tot, (k / m) * tot); res = max(res, tot); ll rem = k % m; for (int i = 0; i < m; i++) { ll kk = rem; int j = i; ll tmp = 0; while (kk--) { tmp += g[j % m]; j++; res = max(res, tmp); res = max(res, tot + tmp); } } } } cout << res << endl; return 0; }
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TLE
p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using ll = long long; constexpr ll mod = 1e9 + 7; #define endl '\n' template <typename A, typename B> string to_string(pair<A, B> p); template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p); template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p); string to_string(const string &s) { return '"' + s + '"'; } string to_string(const char c) { return string(1, c); } string to_string(const char *s) { return to_string((string)s); } string to_string(bool b) { return (b ? "true" : "false"); } string to_string(vector<bool> v) { bool first = true; string res = "{"; for (int i = 0; i < static_cast<int>(v.size()); i++) { if (!first) { res += ", "; } first = false; res += to_string(v[i]); } res += "}"; return res; } template <size_t N> string to_string(bitset<N> v) { string res = ""; for (int i = int(N) - 1; i >= 0; --i) { res += static_cast<char>('0' + v[i]); } return res; } template <typename A> string to_string(A v) { bool first = true; string res = "{"; for (const auto &x : v) { if (!first) { res += ", "; } first = false; res += to_string(x); } res += "}"; return res; } template <typename A, typename B> string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; } template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")"; } template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")"; } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } #ifdef COMPETITIVE_PROGRAMMING_LOCAL #define dbg(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define dbg(...) \ if (0) { \ } #endif int main() { ios::sync_with_stdio(0); cin.tie(0); ll N, K; cin >> N >> K; vector<ll> P(N), C(N); for (auto &_a : P) cin >> _a, --_a; for (auto &_a : C) cin >> _a; vector<ll> visited(N); vector<ll> sum(N); ll ans = *max_element(C.begin(), C.end()); for (ll start = 0; start < N; ++start) { fill(visited.begin(), visited.end(), -1); fill(sum.begin(), sum.end(), 0); ll pos = start; ll score = 0; ll k = 0; while (k < K) { pos = P[pos]; if (visited[pos] != -1) { // on the last cycle we don't need to perform full cycle if (score - sum[pos] > 0) { ll n_step_in_cycle = k - visited[pos]; ll n_step_remain = K - k; ll n_cycle = n_step_remain / n_step_in_cycle; // dbg(pos, visited[pos], sum[pos], score, n_step_remain, K, // k); n_cycle = max(0LL, n_cycle - 1); k += n_cycle * n_step_in_cycle; score += n_cycle * (score - sum[pos]); ans = max(ans, score); while (k < K) { score += C[pos]; ans = max(ans, score); ++k; pos = P[pos]; } } else { // continue while positive, do one last loop in case start of cycle is // positive ll idx = 0; while (k < K && idx < 2 * N) { score += C[pos]; ans = max(ans, score); pos = P[pos]; ++idx; ++k; } } } else { sum[pos] = score; score += C[pos]; ans = max(ans, score); visited[pos] = k; } ++k; } } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; constexpr ll mod = 1e9 + 7; #define endl '\n' template <typename A, typename B> string to_string(pair<A, B> p); template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p); template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p); string to_string(const string &s) { return '"' + s + '"'; } string to_string(const char c) { return string(1, c); } string to_string(const char *s) { return to_string((string)s); } string to_string(bool b) { return (b ? "true" : "false"); } string to_string(vector<bool> v) { bool first = true; string res = "{"; for (int i = 0; i < static_cast<int>(v.size()); i++) { if (!first) { res += ", "; } first = false; res += to_string(v[i]); } res += "}"; return res; } template <size_t N> string to_string(bitset<N> v) { string res = ""; for (int i = int(N) - 1; i >= 0; --i) { res += static_cast<char>('0' + v[i]); } return res; } template <typename A> string to_string(A v) { bool first = true; string res = "{"; for (const auto &x : v) { if (!first) { res += ", "; } first = false; res += to_string(x); } res += "}"; return res; } template <typename A, typename B> string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; } template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")"; } template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")"; } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } #ifdef COMPETITIVE_PROGRAMMING_LOCAL #define dbg(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define dbg(...) \ if (0) { \ } #endif int main() { ios::sync_with_stdio(0); cin.tie(0); ll N, K; cin >> N >> K; vector<ll> P(N), C(N); for (auto &_a : P) cin >> _a, --_a; for (auto &_a : C) cin >> _a; vector<ll> visited(N); vector<ll> sum(N); ll ans = *max_element(C.begin(), C.end()); for (ll start = 0; start < N; ++start) { fill(visited.begin(), visited.end(), -1); fill(sum.begin(), sum.end(), 0); ll pos = start; ll score = 0; ll k = 0; while (k < K) { pos = P[pos]; if (visited[pos] != -1) { // on the last cycle we don't need to perform full cycle if (score - sum[pos] > 0) { ll n_step_in_cycle = k - visited[pos]; ll n_step_remain = K - k; ll n_cycle = n_step_remain / n_step_in_cycle; // dbg(pos, visited[pos], sum[pos], score, n_step_remain, K, // k); n_cycle = max(0LL, n_cycle - 1); k += n_cycle * n_step_in_cycle; score += n_cycle * (score - sum[pos]); ans = max(ans, score); while (k < K) { score += C[pos]; ans = max(ans, score); ++k; pos = P[pos]; } } else { // continue while positive, do one last loop in case start of cycle is // positive ll idx = 0; while (k < K && idx < 2 * N) { score += C[pos]; ans = max(ans, score); pos = P[pos]; ++idx; ++k; } } break; } else { sum[pos] = score; score += C[pos]; ans = max(ans, score); visited[pos] = k; } ++k; } } cout << ans << endl; }
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TLE
p02585
Python
Runtime Error
n, k = [int(z) for z in input().strip().split()] p = [int(z) - 1 for z in input().strip().split()] c = [int(z) for z in input().strip().split()] visited = [False for _ in range(n)] cycle = [] for start in range(n): if visited[start]: continue now = start route = [] while not visited[now]: visited[now] = True route.append(now) now = p[now] cycle.append(route) min_c = min(c) max_value = min_c for route in cycle: full_value = sum([c[i] for i in route]) double_route = route + route v = [c[i] for i in double_route] max_sum_step = [] for step in range(1, len(route)): s = sum(v[:step]) max_sum = max(s, min_c) for idx in range(step, step + len(route) - 1): s += v[idx] if idx >= step: s -= v[idx - step] max_sum = max(s, max_sum) max_sum_step.append(max_sum) addition = k % len(route) if full_value > 0: value1 = int(k / len(route)) * full_value + max(max_sum_step[:addition]) value2 = (int(k / len(route)) - 1) * full_value + max(max_sum_step) value = max(value1, value2) else: value = max(max_sum_step[: min(k, len(max_sum_step))]) max_value = max(max_value, value) print(max_value)
n, k = [int(z) for z in input().strip().split()] p = [int(z) - 1 for z in input().strip().split()] c = [int(z) for z in input().strip().split()] visited = [False for _ in range(n)] cycle = [] for start in range(n): if visited[start]: continue now = start route = [] while not visited[now]: visited[now] = True route.append(now) now = p[now] cycle.append(route) min_c = min(c) max_value = min_c for route in cycle: full_value = sum([c[i] for i in route]) double_route = route + route v = [c[i] for i in double_route] max_sum_step = [] for step in range(1, len(route)): s = sum(v[:step]) max_sum = max(s, min_c) for idx in range(step, step + len(route) - 1): s += v[idx] if idx >= step: s -= v[idx - step] max_sum = max(s, max_sum) max_sum_step.append(max_sum) addition = k % len(route) if full_value > 0: addition_value = 0 if addition == 0 else max(max_sum_step[:addition]) value1 = int(k / len(route)) * full_value + addition_value value2 = (int(k / len(route)) - 1) * full_value + max(max_sum_step) value = max(value1, value2) else: value = max(max_sum_step[: min(k, len(max_sum_step))]) max_value = max(max_value, value) print(max_value)
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p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define ll long long using namespace std; int main() { ll n, k; cin >> n >> k; vector<ll> p(n); vector<ll> c(n); for (ll i = 0; i < n; i++) { ll _p; cin >> _p; p[i] = _p - 1; } for (ll i = 0; i < n; i++) { cin >> c[i]; } ll best = -INFINITY; for (ll start = 0; start < n; start++) { set<ll> steped; ll score = 0; ll mode = 0; ll turnparloop = INFINITY; ll scoreparloop = 0; ll loopstart = -1; ll _turnls = 0; ll _scorels = 0; ll now = start; ll turn = 0; for (; turn < k; turn++) { if (mode == 0 && steped.count(now)) { mode = 1; _turnls = turn; _scorels = score; loopstart = now; } else if (mode == 1 && loopstart == now) { mode = 2; scoreparloop = score - _scorels; turnparloop = turn - _turnls; break; } if (mode == 0) steped.insert(now); now = p[now]; score += c[now]; best = max(best, score); } if (scoreparloop > 0) { ll loops = max(0ll, (k - turn - 1) / turnparloop - 1); score += scoreparloop * loops; turn += turnparloop * loops; best = max(best, score); for (; turn < k; turn++) { now = p[now]; score += c[now]; best = max(best, score); } } } cout << best; return 0; }
#include <bits/stdc++.h> #define ll long long using namespace std; int main() { ll n, k; cin >> n >> k; vector<ll> p(n); vector<ll> c(n); for (ll i = 0; i < n; i++) { ll _p; cin >> _p; p[i] = _p - 1; } for (ll i = 0; i < n; i++) { cin >> c[i]; } ll best = -INFINITY; for (ll start = 0; start < n; start++) { unordered_set<ll> steped; ll score = 0; ll mode = 0; ll turnparloop = INFINITY; ll scoreparloop = 0; ll loopstart = -1; ll _turnls = 0; ll _scorels = 0; ll now = start; ll turn = 0; for (; turn < k; turn++) { if (mode == 0 && steped.count(now)) { mode = 1; _turnls = turn; _scorels = score; loopstart = now; } else if (mode == 1 && loopstart == now) { mode = 2; scoreparloop = score - _scorels; turnparloop = turn - _turnls; break; } if (mode == 0) steped.insert(now); now = p[now]; score += c[now]; best = max(best, score); } if (scoreparloop > 0) { ll loops = max(0ll, (k - turn - 1) / turnparloop - 1); score += scoreparloop * loops; turn += turnparloop * loops; best = max(best, score); for (; turn < k; turn++) { now = p[now]; score += c[now]; best = max(best, score); } } } cout << best; return 0; }
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TLE
p02585
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 5010; ll c[N], p[N], q[N << 1], u[N << 1]; vector<ll> V[N]; bool vis[N]; int main() { ll n, k; scanf("%lld %lld", &n, &k); for (int i = 1; i <= n; i++) scanf("%lld", &p[i]); for (int i = 1; i <= n; i++) scanf("%lld", &c[i]); int now = 0; for (int i = 1; i <= n; i++) { if (vis[i]) continue; int x = i; now++; while (!vis[x]) { vis[x] = true; V[now].push_back(c[x]); x = p[x]; } } ll ans = -2e18; for (int i = 1; i <= now; i++) { ll sum = 0, sum1 = 0, k1 = k, siz = V[i].size(); int num = 0; for (auto it : V[i]) q[++num] = it; for (auto it : V[i]) q[++num] = it; for (int j = 1; j <= k1; j++) { ll po = 0, mx = -2e18, no = 0; for (int l = 1; l <= num; l++) { no += q[l]; if (l - po > j) no -= q[++po]; mx = max(mx, no); } u[j] = mx; ans = max(ans, mx); } for (auto it : V[i]) sum += it; ll t = (k1 - 1) / siz; k1 -= t * siz; if (sum > 0) sum1 += t * sum; for (int j = 1; j <= k1; j++) ans = max(ans, sum1 + u[j]); } printf("%lld\n", ans); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 5010; ll c[N], p[N], q[N << 1], u[N << 1]; vector<ll> V[N]; bool vis[N]; int main() { ll n, k; scanf("%lld %lld", &n, &k); for (int i = 1; i <= n; i++) scanf("%lld", &p[i]); for (int i = 1; i <= n; i++) scanf("%lld", &c[i]); int now = 0; for (int i = 1; i <= n; i++) { if (vis[i]) continue; int x = i; now++; while (!vis[x]) { vis[x] = true; V[now].push_back(c[x]); x = p[x]; } } ll ans = -2e18; for (int i = 1; i <= now; i++) { ll sum = 0, sum1 = 0, k1 = k, siz = V[i].size(); int num = 0; for (auto it : V[i]) q[++num] = it; for (auto it : V[i]) q[++num] = it; for (int j = 1; j <= min(siz, k1); j++) { ll po = 0, mx = -2e18, no = 0; for (int l = 1; l <= num; l++) { no += q[l]; if (l - po > j) no -= q[++po]; mx = max(mx, no); } u[j] = mx; ans = max(ans, mx); } for (auto it : V[i]) sum += it; ll t = (k1 - 1) / siz; k1 -= t * siz; if (sum > 0) sum1 += t * sum; for (int j = 1; j <= k1; j++) ans = max(ans, sum1 + u[j]); } printf("%lld\n", ans); return 0; }
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p02585
C++
Time Limit Exceeded
#define _CRT_SECURE_NO_WARNINGS #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <functional> #include <iostream> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <sstream> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; #define INF ((1 << 30) - 1) #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define all(v) v.begin(), v.end() int n, k; int p[5000]; int c[5000]; int main() { ios::sync_with_stdio(0); cin.tie(0); cin >> n >> k; rep(i, n) cin >> p[i], p[i]--; rep(i, n) cin >> c[i]; long long ans = *max_element(c, c + n); rep(i, n) { unordered_map<int, pair<int, long long>> vis; vis.reserve(n); int cur = i; long long s = 0; rep(j, k) { s += c[cur]; cur = p[cur]; ans = max(ans, s); auto it = vis.find(cur); if (it != vis.end()) { int cyc = j - it->second.first; long long cycs = s - it->second.second; ans = max(ans, s + (k - j - 1) / cyc * cycs); } vis[cur] = make_pair(j, s); } } cout << ans << endl; return 0; }
#define _CRT_SECURE_NO_WARNINGS #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <functional> #include <iostream> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <sstream> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; #define INF ((1 << 30) - 1) #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define all(v) v.begin(), v.end() int n, k; int p[5000]; int c[5000]; int main() { ios::sync_with_stdio(0); cin.tie(0); cin >> n >> k; rep(i, n) cin >> p[i], p[i]--; rep(i, n) cin >> c[i]; long long ans = *max_element(c, c + n); rep(i, n) { unordered_map<int, pair<int, long long>> vis; vis.reserve(n); int cur = i; long long s = 0; rep(j, min(2 * n, k)) { s += c[cur]; cur = p[cur]; ans = max(ans, s); auto it = vis.find(cur); if (it != vis.end()) { int cyc = j - it->second.first; long long cycs = s - it->second.second; ans = max(ans, s + (k - j - 1) / cyc * cycs); } vis[cur] = make_pair(j, s); } } cout << ans << endl; return 0; }
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TLE
p02585
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define INPUT freopen("input.txt", "r", stdin); #define ll long long #define ld long double #define len(s) s.size() #define fl(st, en, in) for (int i = st; i < en; i += in) #define rfl(st, en, de) for (int i = st; i < en; i -= de) #define fll fl(0, n, 1) #define cy cout << "Yes" << endl; #define cn cout << "No" << endl; #define ci(s) cin >> s #define co(s) cout << s << endl #define vl vector<ll> #define pb(x) push_back(x) #define ms(arr, x) memset(arr, x, sizeof(arr)) #define inf INT_MAX int main() { INPUT; ll n, m; ci(n); ci(m); ll ar[n]; ll cost[n]; ll lt[n]; ll ans = -inf; ms(lt, 0); fll { ci(ar[i]); } fll { ci(cost[i]); } fll { ll st = ar[i]; ll en = ar[i]; ll cnt = 0; vl vec; // co("looping..."); ll sum = 0; while (true) { sum += cost[st - 1]; vec.pb(sum); ll tm = ar[st - 1]; cnt++; if (tm == en) { break; } st = tm; } lt[i] = cnt; // f ll temp_ans = -inf; // cout << "count = " << cnt << endl; if (m <= cnt) { fl(0, m, 1) { temp_ans = max(temp_ans, vec[i]); } } else { ll d = m / cnt; ll r = m % cnt; ll chashed = -inf; if (vec[len(vec) - 1] >= 0) { chashed = d * vec[len(vec) - 1]; temp_ans = chashed; fl(0, r, 1) { temp_ans = max(temp_ans, vec[i] + chashed); } ll tm2 = -inf; fl(0, cnt, 1) { tm2 = max(tm2, vec[i]); } ll tm3 = chashed; fl(0, cnt, 1) { tm3 = max(tm3, vec[i] + chashed - vec[len(vec) - 1]); } temp_ans = max(max(temp_ans, tm2), tm3); } else { fl(0, len(vec), 1) { temp_ans = max(temp_ans, vec[i]); } } } ans = max(ans, temp_ans); fl(0, len(vec), 1) { // cout << vec[i] << " "; } // cout << endl; } co(ans); // co("Here is the number of elements"); fll { // co(lt[i]); } }
#include <bits/stdc++.h> using namespace std; #define INPUT freopen("input.txt", "r", stdin); #define ll long long #define ld long double #define len(s) s.size() #define fl(st, en, in) for (int i = st; i < en; i += in) #define rfl(st, en, de) for (int i = st; i < en; i -= de) #define fll fl(0, n, 1) #define cy cout << "Yes" << endl; #define cn cout << "No" << endl; #define ci(s) cin >> s #define co(s) cout << s << endl #define vl vector<ll> #define pb(x) push_back(x) #define ms(arr, x) memset(arr, x, sizeof(arr)) #define inf INT_MAX int main() { // INPUT; ll n, m; ci(n); ci(m); ll ar[n]; ll cost[n]; ll lt[n]; ll ans = -inf; ms(lt, 0); fll { ci(ar[i]); } fll { ci(cost[i]); } fll { ll st = ar[i]; ll en = ar[i]; ll cnt = 0; vl vec; // co("looping..."); ll sum = 0; while (true) { sum += cost[st - 1]; vec.pb(sum); ll tm = ar[st - 1]; cnt++; if (tm == en) { break; } st = tm; } lt[i] = cnt; // f ll temp_ans = -inf; // cout << "count = " << cnt << endl; if (m <= cnt) { fl(0, m, 1) { temp_ans = max(temp_ans, vec[i]); } } else { ll d = m / cnt; ll r = m % cnt; ll chashed = -inf; if (vec[len(vec) - 1] >= 0) { chashed = d * vec[len(vec) - 1]; temp_ans = chashed; fl(0, r, 1) { temp_ans = max(temp_ans, vec[i] + chashed); } ll tm2 = -inf; fl(0, cnt, 1) { tm2 = max(tm2, vec[i]); } ll tm3 = chashed; fl(0, cnt, 1) { tm3 = max(tm3, vec[i] + chashed - vec[len(vec) - 1]); } temp_ans = max(max(temp_ans, tm2), tm3); } else { fl(0, len(vec), 1) { temp_ans = max(temp_ans, vec[i]); } } } ans = max(ans, temp_ans); fl(0, len(vec), 1) { // cout << vec[i] << " "; } // cout << endl; } co(ans); // co("Here is the number of elements"); fll { // co(lt[i]); } }
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p02585
C++
Runtime Error
/* ID: Loxilante Time: 2020/08/16 Prog: ABC175D Lang: cpp */ #ifdef ONLINE_JUDGE #pragma GCC optimize("O3") #endif #include <bits/stdc++.h> #define rep(i, l, r) for (register int i = l; i < r; i++) #define hrp(i, l, r) for (register int i = l; i <= r; i++) #define rev(i, r, l) for (register int i = r; i >= l; i--) #define ms(n, t) memset(n, t, sizeof(n)) #define pb push_back #define int ll #ifndef JOEON #define D(...) #endif using namespace std; typedef long long ll; typedef pair<int, int> pii; template <typename tn> inline tn next(void) { tn k; cin >> k; return k; } const int U = 5e3 + 50; const int INF = 1e18; int to[U], val[U], ct[U], t; bool visited[U]; vector<int> loop; inline void dfs(int e) { if (visited[e]) return; visited[e] = 1; t += val[e]; loop.pb(t); dfs(to[e]); } signed main(void) { clock_t Begin = clock(); #ifdef JOEON // freopen("C:\\Users\\Joeon\\Desktop\\IN.txt", "r", stdin); // freopen("C:\\Users\\Joeon\\Desktop\\OUT.txt", "w", stdout); #endif ios::sync_with_stdio(false); cin.tie(0); int n, k, ans = -INF; cin >> n >> k; rep(i, 0, n) to[i] = next<int>() - 1; rep(i, 0, n) cin >> val[i]; clock_t InputFinished = clock(); rep(i, 0, n) { ms(visited, 0); loop.clear(); t = 0; dfs(i); int times = k / loop.size(); if (loop.back() > 0 && k >= loop.size()) { if (times >= 1) { int ans1 = -INF; rep(j, 0, loop.size()) ans1 = max(ans1, loop[j]); ans = max(loop.back() * (times - 1) + ans1, ans); } int rest = k % loop.size(), ans2 = 0; rep(j, 0, rest) ans2 = max(ans2, loop[j]); ans = max(loop.back() * times + ans2, ans); } else rep(j, 0, k) ans = max(ans, loop[j]); } cout << ans << endl; clock_t End = clock(); D((double)(End - Begin) / CLOCKS_PER_SEC); D((double)(End - InputFinished) / CLOCKS_PER_SEC); return 0; } /* */
/* ID: Loxilante Time: 2020/08/16 Prog: ABC175D Lang: cpp */ #ifdef ONLINE_JUDGE #pragma GCC optimize("O3") #endif #include <bits/stdc++.h> #define rep(i, l, r) for (register int i = l; i < r; i++) #define hrp(i, l, r) for (register int i = l; i <= r; i++) #define rev(i, r, l) for (register int i = r; i >= l; i--) #define ms(n, t) memset(n, t, sizeof(n)) #define pb push_back #define int ll #ifndef JOEON #define D(...) #endif using namespace std; typedef long long ll; typedef pair<int, int> pii; template <typename tn> inline tn next(void) { tn k; cin >> k; return k; } const int U = 5e3 + 50; const int INF = 1e18; int to[U], val[U], ct[U], t; bool visited[U]; vector<int> loop; inline void dfs(int e) { if (visited[e]) return; visited[e] = 1; t += val[e]; loop.pb(t); dfs(to[e]); } signed main(void) { clock_t Begin = clock(); #ifdef JOEON // freopen("C:\\Users\\Joeon\\Desktop\\IN.txt", "r", stdin); // freopen("C:\\Users\\Joeon\\Desktop\\OUT.txt", "w", stdout); #endif ios::sync_with_stdio(false); cin.tie(0); int n, k, ans = -INF; cin >> n >> k; rep(i, 0, n) to[i] = next<int>() - 1; rep(i, 0, n) cin >> val[i]; clock_t InputFinished = clock(); rep(i, 0, n) { ms(visited, 0); loop.clear(); t = 0; dfs(i); int times = k / loop.size(); if (loop.back() > 0 && k >= loop.size()) { if (times >= 1) { int ans1 = -INF; rep(j, 0, loop.size()) ans1 = max(ans1, loop[j]); ans = max(loop.back() * (times - 1) + ans1, ans); } int rest = k % loop.size(), ans2 = 0; rep(j, 0, rest) ans2 = max(ans2, loop[j]); ans = max(loop.back() * times + ans2, ans); } else rep(j, 0, k) { if (j >= loop.size()) break; ans = max(ans, loop[j]); } } cout << ans << endl; clock_t End = clock(); D((double)(End - Begin) / CLOCKS_PER_SEC); D((double)(End - InputFinished) / CLOCKS_PER_SEC); return 0; } /* */
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0
p02585
C++
Runtime Error
/*input 5 2 2 4 5 1 3 3 4 -10 -8 8 */ /* ______________ | ) | ) / |______/ | | \ | | ) \ |_____|_______) */ #include <algorithm> #include <bitset> #include <cassert> #include <chrono> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <fstream> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> PII; typedef pair<ll, ll> PLL; typedef long double ld; #define pb push_back #define all(c) c.begin(), c.end() #define allr(c) c.rbegin(), c.rend() int mod = 1000000007; const int inf = 1034567891; const ll LL_INF = 1234567890123456789ll; #define PI 3.14159265 #define endl '\n' #define F first #define S second #define debug(x) cout << #x << " = " << x << endl; #define TRACE #ifdef TRACE #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char *name, Arg1 &&arg1) { cout << name << " : " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char *names, Arg1 &&arg1, Args &&...args) { const char *comma = strchr(names + 1, ','); cout.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } #else #define trace(...) #endif #define out(container) \ for (auto it : container) \ cout << it << " "; \ cout << endl; template <typename T> T GCD(T a, T b) { ll t; while (a) { t = a; a = b % a; b = t; } return b; } template <typename T> string toString(T a) { return to_string(a); } template <typename T> void toInt(string s, T &x) { stringstream str(s); str >> x; } inline int add(int x, int y) { x += y; if (x >= mod) x -= mod; return x; } inline int sub(int x, int y) { x -= y; if (x < 0) x += mod; return x; } inline int mul(int x, int y) { return (x * 1ll * y) % mod; } inline int powr(int a, ll b) { int x = 1 % mod; while (b) { if (b & 1) x = mul(x, a); a = mul(a, a); b >>= 1; } return x; } inline int inv(int a) { return powr(a, mod - 2); } const int N = 5e3 + 5; int p[N], c[N]; bool vis[N]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n, k; cin >> n >> k; for (int i = 1; i <= n; i++) { cin >> p[i]; } ll ans = -LL_INF; for (int i = 1; i <= n; i++) { cin >> c[i]; ans = max(ans, (ll)c[i]); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { vis[j] = false; } int cc = i; vector<long long> vec; vec.push_back(0); int m = 0; while (!vis[cc]) { vis[cc] = true; long long x = vec.back(); vec.push_back(x + c[p[cc]]); cc = p[cc]; m++; } // out(vec); ll cur = 0, mx = -LL_INF; for (int j = 1; j <= k; j++) { mx = max(mx, vec[j]); } ans = max(ans, mx); ll d = k / m, r = k % m; cur += d * vec[m]; if (d) ans = max(ans, cur); mx = -LL_INF; for (int j = 1; j <= r; j++) { mx = max(mx, vec[j]); } cur += mx; ans = max(ans, cur); if (d > 0) { d--; cur = d * vec[m]; mx = *max_element(vec.begin() + 1, vec.end()); cur += mx; ans = max(ans, cur); } } cout << ans << endl; return 0; }
/*input 5 2 2 4 5 1 3 3 4 -10 -8 8 */ /* ______________ | ) | ) / |______/ | | \ | | ) \ |_____|_______) */ #include <algorithm> #include <bitset> #include <cassert> #include <chrono> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <fstream> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> PII; typedef pair<ll, ll> PLL; typedef long double ld; #define pb push_back #define all(c) c.begin(), c.end() #define allr(c) c.rbegin(), c.rend() int mod = 1000000007; const int inf = 1034567891; const ll LL_INF = 1234567890123456789ll; #define PI 3.14159265 #define endl '\n' #define F first #define S second #define debug(x) cout << #x << " = " << x << endl; #define TRACE #ifdef TRACE #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char *name, Arg1 &&arg1) { cout << name << " : " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char *names, Arg1 &&arg1, Args &&...args) { const char *comma = strchr(names + 1, ','); cout.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } #else #define trace(...) #endif #define out(container) \ for (auto it : container) \ cout << it << " "; \ cout << endl; template <typename T> T GCD(T a, T b) { ll t; while (a) { t = a; a = b % a; b = t; } return b; } template <typename T> string toString(T a) { return to_string(a); } template <typename T> void toInt(string s, T &x) { stringstream str(s); str >> x; } inline int add(int x, int y) { x += y; if (x >= mod) x -= mod; return x; } inline int sub(int x, int y) { x -= y; if (x < 0) x += mod; return x; } inline int mul(int x, int y) { return (x * 1ll * y) % mod; } inline int powr(int a, ll b) { int x = 1 % mod; while (b) { if (b & 1) x = mul(x, a); a = mul(a, a); b >>= 1; } return x; } inline int inv(int a) { return powr(a, mod - 2); } const int N = 5e3 + 5; int p[N], c[N]; bool vis[N]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n, k; cin >> n >> k; for (int i = 1; i <= n; i++) { cin >> p[i]; } ll ans = -LL_INF; for (int i = 1; i <= n; i++) { cin >> c[i]; ans = max(ans, (ll)c[i]); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { vis[j] = false; } int cc = i; vector<long long> vec; vec.push_back(0); int m = 0; while (!vis[cc]) { vis[cc] = true; long long x = vec.back(); vec.push_back(x + c[p[cc]]); cc = p[cc]; m++; } // out(vec); ll cur = 0, mx = -LL_INF; for (int j = 1; j <= min(k, m); j++) { mx = max(mx, vec[j]); } ans = max(ans, mx); ll d = k / m, r = k % m; cur += d * vec[m]; if (d) ans = max(ans, cur); mx = -LL_INF; for (int j = 1; j <= r; j++) { mx = max(mx, vec[j]); } cur += mx; ans = max(ans, cur); if (d > 0) { d--; cur = d * vec[m]; mx = *max_element(vec.begin() + 1, vec.end()); cur += mx; ans = max(ans, cur); } } cout << ans << endl; return 0; }
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p02585
C++
Runtime Error
#include <algorithm> #include <cmath> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; #define rep(i, n) for (int i = 0; i < n; ++i) #define REP(i, n) for (int i = 1; i <= n; ++i) #define all(x) begin(x), end(x) #define show(obj) \ { \ for (auto x : obj) \ cout << x << ' '; \ cout << endl; \ } #define line "----------" typedef long long ll; typedef pair<int, int> P; typedef pair<ll, ll> LP; const int inf = 1001001000; const ll INF = 1LL << 60; const int MOD = (int)1e9 + 7; int main() { ll N, K, t; cin >> N >> K; --K; vector<ll> P(N); vector<ll> C(N); rep(i, N) { cin >> t; P[i] = --t; } rep(i, N) cin >> C[i]; ll ans = -INF; rep(i, N) { vector<ll> sum; vector<bool> visited(N, false); int nt = P[i]; ll sum_element = 0; int cnt = 0; while (!visited[nt]) { visited[nt] = true; sum_element += C[nt]; sum.push_back(sum_element); nt = P[nt]; } ll role = K / sum.size(); ll tail = K % sum.size(); ll e_ans = -INF; for (int j = 0; j <= tail; ++j) { e_ans = max(e_ans, sum[j]); } if (sum[sum.size() - 1] > 0) { e_ans += sum[sum.size() - 1] * role; } ll e_ans2 = -INF; if (role > 0) { --role; tail = K - 1; } for (int j = 0; j <= tail; ++j) { e_ans2 = max(e_ans2, sum[j]); } if (sum[sum.size() - 1] > 0) { e_ans2 += sum[sum.size() - 1] * role; } //{ // cout << line << endl; // printf("[start = %d] -> [e_ans = %lld]\n", i, e_ans); // printf("[role = %lld], [tail = %lld]\n", role, tail); // show(sum); // cout << line << endl; //} ans = max(ans, e_ans); ans = max(ans, e_ans2); } cout << ans << endl; return 0; }
#include <algorithm> #include <cmath> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; #define rep(i, n) for (int i = 0; i < n; ++i) #define REP(i, n) for (int i = 1; i <= n; ++i) #define all(x) begin(x), end(x) #define show(obj) \ { \ for (auto x : obj) \ cout << x << ' '; \ cout << endl; \ } #define line "----------" typedef long long ll; typedef pair<int, int> P; typedef pair<ll, ll> LP; const int inf = 1001001000; const ll INF = 1LL << 60; const int MOD = (int)1e9 + 7; int main() { ll N, K, t; cin >> N >> K; --K; vector<ll> P(N); vector<ll> C(N); rep(i, N) { cin >> t; P[i] = --t; } rep(i, N) cin >> C[i]; ll ans = -INF; rep(i, N) { vector<ll> sum; vector<bool> visited(N, false); int nt = P[i]; ll sum_element = 0; int cnt = 0; while (!visited[nt]) { visited[nt] = true; sum_element += C[nt]; sum.push_back(sum_element); nt = P[nt]; } ll role = K / sum.size(); ll tail = K % sum.size(); ll e_ans = -INF; for (int j = 0; j <= tail; ++j) { e_ans = max(e_ans, sum[j]); } if (sum[sum.size() - 1] > 0) { e_ans += sum[sum.size() - 1] * role; } ll e_ans2 = -INF; if (role > 0) { --role; tail = sum.size() - 1; } for (int j = 0; j <= tail; ++j) { e_ans2 = max(e_ans2, sum[j]); } if (sum[sum.size() - 1] > 0) { e_ans2 += sum[sum.size() - 1] * role; } //{ // cout << line << endl; // printf("[start = %d] -> [e_ans = %lld]\n", i, e_ans); // printf("[role = %lld], [tail = %lld]\n", role, tail); // show(sum); // cout << line << endl; //} ans = max(ans, e_ans); ans = max(ans, e_ans2); } cout << ans << endl; return 0; }
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p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define watch(x) cout << (#x) << " is " << (x) << endl #define endl "\n" typedef long long ll; using namespace std; int static fast = []() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); return 0; }(); // freopen("input.txt", "r", stdin); ll compute_neg(deque<ll> cost, ll k) { ll n = cost.size(); ll res = INT_MIN; ll acc = 0; for (int i = 0; i < k; i++) { acc += cost[i % n]; res = max(res, acc); } return res; } ll compute_pos(deque<ll> cost, ll k, ll sum) { ll n = cost.size(); ll res = INT_MIN; ll times = k / n; ll acc = 0; if (times > 3) { ll zip = times - 3; acc += zip * sum; k -= zip * n; } res = acc; for (int i = 0; i < k; i++) { acc += cost[i % n]; res = max(res, acc); } return res; } int main() { ll n, k; cin >> n >> k; vector<ll> perm(n, 0); vector<ll> cost(n, 0); for (auto &val : perm) { cin >> val; val -= 1; } for (auto &val : cost) cin >> val; vector<vector<int>> grp; vector<int> visit(n, 0); auto dfs = [&](auto &self, int src, int cur, vector<int> &st) -> void { if (cur == src) { grp.push_back(st); return; } st.push_back(cur); visit[cur] = 1; self(self, src, perm[cur], st); }; for (int i = 0; i < n; i++) { if (visit[i] == 0) { vector<int> tmp = {i}; visit[i] = 1; dfs(dfs, i, perm[i], tmp); } } ll ans = INT_MIN; for (auto vec : grp) { deque<ll> cost2; for (int idx : vec) { cost2.push_back(cost[idx]); } ll cycle = vec.size(); ll acc = accumulate(cost2.begin(), cost2.end(), 0LL); for (int i = 0; i < cycle; i++) { if (acc < 0) ans = max(ans, compute_neg(cost2, k)); else ans = max(ans, compute_pos(cost2, k, acc)); ll head = cost2.front(); cost2.push_back(head); cost2.pop_front(); } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define watch(x) cout << (#x) << " is " << (x) << endl #define endl "\n" typedef long long ll; using namespace std; int static fast = []() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); return 0; }(); // freopen("input.txt", "r", stdin); ll compute_neg(deque<ll> cost, ll k) { ll n = cost.size(); ll res = INT_MIN; ll acc = 0; for (int i = 0; i < min(n, k); i++) { acc += cost[i % n]; res = max(res, acc); } return res; } ll compute_pos(deque<ll> cost, ll k, ll sum) { ll n = cost.size(); ll res = INT_MIN; ll times = k / n; ll acc = 0; if (times > 3) { ll zip = times - 3; acc += zip * sum; k -= zip * n; } res = acc; for (int i = 0; i < k; i++) { acc += cost[i % n]; res = max(res, acc); } return res; } int main() { ll n, k; cin >> n >> k; vector<ll> perm(n, 0); vector<ll> cost(n, 0); for (auto &val : perm) { cin >> val; val -= 1; } for (auto &val : cost) cin >> val; vector<vector<int>> grp; vector<int> visit(n, 0); auto dfs = [&](auto &self, int src, int cur, vector<int> &st) -> void { if (cur == src) { grp.push_back(st); return; } st.push_back(cur); visit[cur] = 1; self(self, src, perm[cur], st); }; for (int i = 0; i < n; i++) { if (visit[i] == 0) { vector<int> tmp = {i}; visit[i] = 1; dfs(dfs, i, perm[i], tmp); } } ll ans = INT_MIN; for (auto vec : grp) { deque<ll> cost2; for (int idx : vec) { cost2.push_back(cost[idx]); } ll cycle = vec.size(); ll acc = accumulate(cost2.begin(), cost2.end(), 0LL); for (int i = 0; i < cycle; i++) { if (acc < 0) ans = max(ans, compute_neg(cost2, k)); else ans = max(ans, compute_pos(cost2, k, acc)); ll head = cost2.front(); cost2.push_back(head); cost2.pop_front(); } } cout << ans << endl; return 0; }
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TLE
p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define MOD 1000000007 using namespace std; using ll = long long; int main() { ll n, k, ans = -10000000000; cin >> n >> k; vector<ll> p(n), c(n); rep(i, n) { cin >> p[i]; --p[i]; } rep(i, n) cin >> c[i]; if (k) { vector<ll> dp(n); for (ll i = 0; i < n; i++) { ll now = i; rep(j, k) { now = p[now]; dp[i] += c[now]; ans = max(ans, dp[i]); } } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define MOD 1000000007 using namespace std; using ll = long long; int main() { ll n, k, ans = -10000000000; cin >> n >> k; vector<ll> p(n), c(n); rep(i, n) { cin >> p[i]; --p[i]; } rep(i, n) cin >> c[i]; vector<ll> dp(n); for (ll i = 0; i < n; i++) { ll now = i, start = i, count = 0; rep(j, k) { now = p[now]; count++; dp[i] += c[now]; ans = max(ans, dp[i]); if (now == start) { j = k; ll loop = (k - 1) / count; dp[i] = dp[i] * loop; ll kp = k - (count * loop); rep(r, kp) { now = p[now]; dp[i] += c[now]; ans = max(ans, dp[i]); } } } } cout << ans << endl; return 0; }
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TLE
p02585
C++
Time Limit Exceeded
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <cstdio> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <limits> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <vector> #ifdef DEBUG #include "library/Utility/debug.cpp" #else #define debug(...) #endif #define rep(i, n) for (int i = 0; i < (n); ++i) #define EL '\n' #define print(i) std::cout << (i) << '\n' #define all(v) (v).begin(), (v).end() using lnt = long long; struct FIO { FIO() { std::cin.tie(0); std::cout.tie(0); std::ios_base::sync_with_stdio(0); std::cout << std::fixed << std::setprecision(15); } } fIO; /*-*/ struct UnionFind { int n; std::vector<int> par, size; UnionFind(int sz) : n(sz), par(sz, 0), size(sz, 1) { std::iota(par.begin(), par.end(), 0); } 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 (size[x] < size[y]) std::swap(x, y); size[x] += size[y]; par[y] = x; } }; int main() { lnt m, k; std::cin >> m >> k; std::vector<lnt> p(m), c(m); rep(i, m) std::cin >> p[i]; rep(i, m) std::cin >> c[i]; lnt max = -3e18; std::map<lnt, lnt> map; UnionFind uf(m); rep(i, m) { uf.unite(i, p[i] - 1); } rep(ii, m) { if (map[uf.find(ii)]) continue; lnt n = uf.size[uf.find(ii)]; std::vector<lnt> dp(n + 1, 0); { int i = ii; rep(j, n) { dp[j + 1] = dp[j] + c[i]; i = p[i] - 1; } } rep(i, n) { for (int j = i; j < n; j++) { if (j - i + 1 <= k) max = std::max(max, dp[j + 1] - dp[i]); if (n - i + j + 1 <= k) { max = std::max(max, dp[n] - dp[i] + dp[j + 1]); max = std::max(max, dp[n] - dp[i] + dp[j + 1] + dp[n] * ((k - (n - i + j + 1)) / n)); } if (n - j + i + 1 <= k) { max = std::max(max, dp[n] - dp[j] + dp[i + 1]); max = std::max(max, dp[n] - dp[j] + dp[i + 1] + dp[n] * ((k - (n - j + i + 1)) / n)); } } } } print(max); }
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <cstdio> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <limits> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <vector> #ifdef DEBUG #include "library/Utility/debug.cpp" #else #define debug(...) #endif #define rep(i, n) for (int i = 0; i < (n); ++i) #define EL '\n' #define print(i) std::cout << (i) << '\n' #define all(v) (v).begin(), (v).end() using lnt = long long; struct FIO { FIO() { std::cin.tie(0); std::cout.tie(0); std::ios_base::sync_with_stdio(0); std::cout << std::fixed << std::setprecision(15); } } fIO; /*-*/ struct UnionFind { int n; std::vector<int> par, size; UnionFind(int sz) : n(sz), par(sz, 0), size(sz, 1) { std::iota(par.begin(), par.end(), 0); } 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 (size[x] < size[y]) std::swap(x, y); size[x] += size[y]; par[y] = x; } }; int main() { lnt m, k; std::cin >> m >> k; std::vector<lnt> p(m), c(m); rep(i, m) std::cin >> p[i]; rep(i, m) std::cin >> c[i]; lnt max = -3e18; std::map<lnt, lnt> map; UnionFind uf(m); rep(i, m) { uf.unite(i, p[i] - 1); } rep(ii, m) { if (map[uf.find(ii)]) continue; map[uf.find(ii)] = 1; lnt n = uf.size[uf.find(ii)]; std::vector<lnt> dp(n + 1, 0); { int i = ii; rep(j, n) { dp[j + 1] = dp[j] + c[i]; i = p[i] - 1; } } rep(i, n) { for (int j = i; j < n; j++) { if (j - i + 1 <= k) max = std::max(max, dp[j + 1] - dp[i]); if (n - i + j + 1 <= k) { max = std::max(max, dp[n] - dp[i] + dp[j + 1]); max = std::max(max, dp[n] - dp[i] + dp[j + 1] + dp[n] * ((k - (n - i + j + 1)) / n)); } if (n - j + i + 1 <= k) { max = std::max(max, dp[n] - dp[j] + dp[i + 1]); max = std::max(max, dp[n] - dp[j] + dp[i + 1] + dp[n] * ((k - (n - j + i + 1)) / n)); } } } } print(max); }
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TLE
p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; i++) #define Rep(i, n) for (int i = 1; i <= n; i++) #define sz(x) int(x.size()) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define YesorNo(a) printf(a ? "Yes\n" : "No\n") #define endl '\n' #define fi first #define se second using ll = long long; using P = pair<int, int>; using Pl = pair<ll, ll>; template <class T> using V = vector<T>; const int dx[] = {0, 1, 0, -1, 1, 1, -1, -1}; const int dy[] = {1, 0, -1, 0, 1, -1, -1, 1}; const int inf = (1 << 30) - 1; const ll infll = (1LL << 62) - 1; ll ceil(const ll &a, const ll &b) { return ((a) + (b)-1) / b; } 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; } struct UnionFind { // UnionFindTree vector<int> d; UnionFind(int n) : d(n, -1) {} int find(int x) { if (d[x] < 0) return x; return d[x] = find(d[x]); } bool unite(int x, int y) { x = find(x); y = find(y); if (x == y) return false; if (-d[x] < -d[y]) swap(x, y); d[x] += d[y]; d[y] = x; return true; } bool same(int x, int y) { return find(x) == find(y); } int size(int x) { return -d[find(x)]; } }; int main() { int n, k; cin >> n >> k; V<int> p(n), c(n); rep(i, n) cin >> p[i]; rep(i, n) cin >> c[i]; map<int, ll> mp; UnionFind uf(n); rep(i, n) { uf.unite(i, p[i] - 1); } rep(i, n) { mp[uf.find(i)] += c[i]; } ll ans = -infll; rep(i, n) { // スタート位置 int roop = uf.size(i); int times = (mp[uf.find(i)] > 0 ? (k - 1) / roop : 0); int over = max(min(k, k - roop * times), 1); ll tmp = 0; ll s = -infll; int idx = i; rep(j, over) { tmp += c[idx]; chmax(s, tmp); idx = p[idx] - 1; } s += times * mp[uf.find(i)]; chmax(ans, s); } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; i++) #define Rep(i, n) for (int i = 1; i <= n; i++) #define sz(x) int(x.size()) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define YesorNo(a) printf(a ? "Yes\n" : "No\n") #define endl '\n' #define fi first #define se second using ll = long long; using P = pair<int, int>; using Pl = pair<ll, ll>; template <class T> using V = vector<T>; const int dx[] = {0, 1, 0, -1, 1, 1, -1, -1}; const int dy[] = {1, 0, -1, 0, 1, -1, -1, 1}; const int inf = (1 << 30) - 1; const ll infll = (1LL << 62) - 1; ll ceil(const ll &a, const ll &b) { return ((a) + (b)-1) / b; } 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; } struct UnionFind { // UnionFindTree vector<int> d; UnionFind(int n) : d(n, -1) {} int find(int x) { if (d[x] < 0) return x; return d[x] = find(d[x]); } bool unite(int x, int y) { x = find(x); y = find(y); if (x == y) return false; if (-d[x] < -d[y]) swap(x, y); d[x] += d[y]; d[y] = x; return true; } bool same(int x, int y) { return find(x) == find(y); } int size(int x) { return -d[find(x)]; } }; int main() { int n, k; cin >> n >> k; V<int> p(n), c(n); rep(i, n) cin >> p[i]; rep(i, n) cin >> c[i]; map<int, ll> mp; UnionFind uf(n); rep(i, n) { uf.unite(i, p[i] - 1); } rep(i, n) { mp[uf.find(i)] += c[i]; } ll ans = -infll; rep(i, n) { // スタート位置 int roop = uf.size(i); int times = (mp[uf.find(i)] > 0 ? (k - 1) / roop : 0); int over = max(min(roop, k - roop * times), 1); ll tmp = 0; ll s = -infll; int idx = i; rep(j, over) { tmp += c[idx]; chmax(s, tmp); idx = p[idx] - 1; } s += times * mp[uf.find(i)]; chmax(ans, s); } cout << ans << endl; }
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TLE
p02585
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define MOD 1000000007 #define ff first #define ss second typedef long long ll; ll power(ll a, ll b) { // a^b ll res = 1; a = a % MOD; while (b > 0) { if (b & 1) { res = (res * a) % MOD; b--; } a = (a * a) % MOD; b >>= 1; } return res; } bool isPalin(string s) { if (s == string(s.rbegin(), s.rend())) return true; return false; } ll fermat_inv(ll y) { return power(y, MOD - 2); } ll gcd(ll a, ll b) { return (b == 0) ? a : gcd(b, a % b); } int main() { ll t = 1; cin >> t; while (t--) { ll n, k; cin >> n >> k; int p[n + 1]; int c[n + 1]; for (int i = 1; i <= n; i++) cin >> p[i]; for (int i = 1; i <= n; i++) cin >> c[i]; vector<bool> visited(n + 1, false); ll ans = -1e18; ans--; for (int i = 1; i <= n; i++) { if (visited[i] == false) { int j = p[i]; vector<ll> v; ll val = c[i]; while (j != i) { val += c[j]; visited[j] = true; v.push_back(c[j]); j = p[j]; } visited[i] = true; v.push_back(c[i]); int s = v.size(); for (j = 0; j < s; j++) v.push_back(v[j]); for (int i = 1; i < 2 * s; i++) v[i] += v[i - 1]; ll l = 1; ll r = k; vector<ll> dp(s + 1, -1e18 + 1); for (int j = 1; j <= s; j++) { for (int i = 0; i + j < 2 * s; i++) dp[j] = max(dp[j], v[i + j] - v[i]); } for (int j = 1; j <= s; j++) { if (j <= k) { ll v1 = (k - j) / s; ans = max(ans, dp[j]); ans = max(ans, dp[j] + v1 * val); } } } } cout << ans << "\n"; } return 0; }
#include <bits/stdc++.h> using namespace std; #define MOD 1000000007 #define ff first #define ss second typedef long long ll; ll power(ll a, ll b) { // a^b ll res = 1; a = a % MOD; while (b > 0) { if (b & 1) { res = (res * a) % MOD; b--; } a = (a * a) % MOD; b >>= 1; } return res; } bool isPalin(string s) { if (s == string(s.rbegin(), s.rend())) return true; return false; } ll fermat_inv(ll y) { return power(y, MOD - 2); } ll gcd(ll a, ll b) { return (b == 0) ? a : gcd(b, a % b); } int main() { ll t = 1; // cin>>t; while (t--) { ll n, k; cin >> n >> k; int p[n + 1]; int c[n + 1]; for (int i = 1; i <= n; i++) cin >> p[i]; for (int i = 1; i <= n; i++) cin >> c[i]; vector<bool> visited(n + 1, false); ll ans = -1e18; ans--; for (int i = 1; i <= n; i++) { if (visited[i] == false) { int j = p[i]; vector<ll> v; ll val = c[i]; while (j != i) { val += c[j]; visited[j] = true; v.push_back(c[j]); j = p[j]; } visited[i] = true; v.push_back(c[i]); int s = v.size(); for (j = 0; j < s; j++) v.push_back(v[j]); for (int i = 1; i < 2 * s; i++) v[i] += v[i - 1]; ll l = 1; ll r = k; vector<ll> dp(s + 1, -1e18 + 1); for (int j = 1; j <= s; j++) { for (int i = 0; i + j < 2 * s; i++) dp[j] = max(dp[j], v[i + j] - v[i]); } for (int j = 1; j <= s; j++) { if (j <= k) { ll v1 = (k - j) / s; ans = max(ans, dp[j]); ans = max(ans, dp[j] + v1 * val); } } } } cout << ans << "\n"; } return 0; }
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-11
p02585
C++
Time Limit Exceeded
// #include <bits/stdc++.h> using namespace std; #define fi first #define se second #define all(x) x.begin(), x.end() #define lch (o << 1) #define rch (o << 1 | 1) typedef double db; typedef long long ll; typedef unsigned int ui; typedef pair<int, int> pint; typedef tuple<int, int, int> tint; const int N = 1e5 + 5; const int INF = 0x3f3f3f3f; const ll INF_LL = 0x3f3f3f3f3f3f3f3f; int a[N], c[N]; bool vst[N]; vector<int> vec[N]; int main() { ios::sync_with_stdio(0); int n, lim; cin >> n >> lim; for (int i = 1; i <= n; i++) cin >> a[i]; for (int i = 1; i <= n; i++) cin >> c[i]; for (int i = 1; i <= n; i++) { if (vst[i]) continue; int o = i; while (!vst[o]) { vst[o] = 1; vec[i].push_back(o); o = a[o]; } } ll ans = -INF_LL; for (int i = 1; i <= n; i++) { if (vec[i].empty()) continue; int siz = vec[i].size(); if (siz != 0 && siz <= n) while (1) ; static ll s[N]; s[0] = 0; for (int j = 1; j <= siz; j++) s[j] = s[j + siz] = c[vec[i][j - 1]]; for (int j = 1; j <= 2 * siz; j++) s[j] += s[j - 1]; ll sum = s[siz]; for (int j = 1; j <= min(siz, lim); j++) { ll maxs = -INF_LL; for (int k = 1; k <= siz; k++) maxs = max(maxs, s[k + j - 1] - s[k - 1]); if (sum > 0) maxs += sum * ((lim - j) / siz); ans = max(ans, maxs); } } cout << ans << endl; return 0; }
// #include <bits/stdc++.h> using namespace std; #define fi first #define se second #define all(x) x.begin(), x.end() #define lch (o << 1) #define rch (o << 1 | 1) typedef double db; typedef long long ll; typedef unsigned int ui; typedef pair<int, int> pint; typedef tuple<int, int, int> tint; const int N = 1e5 + 5; const int INF = 0x3f3f3f3f; const ll INF_LL = 0x3f3f3f3f3f3f3f3f; int a[N], c[N]; bool vst[N]; vector<int> vec[N]; int main() { ios::sync_with_stdio(0); int n, lim; cin >> n >> lim; for (int i = 1; i <= n; i++) cin >> a[i]; for (int i = 1; i <= n; i++) cin >> c[i]; for (int i = 1; i <= n; i++) { if (vst[i]) continue; int o = i; while (!vst[o]) { vst[o] = 1; vec[i].push_back(o); o = a[o]; } } ll ans = -INF_LL; for (int i = 1; i <= n; i++) { if (vec[i].empty()) continue; int siz = vec[i].size(); static ll s[N]; s[0] = 0; for (int j = 1; j <= siz; j++) s[j] = s[j + siz] = c[vec[i][j - 1]]; for (int j = 1; j <= 2 * siz; j++) s[j] += s[j - 1]; ll sum = s[siz]; for (int j = 1; j <= min(siz, lim); j++) { ll maxs = -INF_LL; for (int k = 1; k <= siz; k++) maxs = max(maxs, s[k + j - 1] - s[k - 1]); if (sum > 0) maxs += sum * ((lim - j) / siz); ans = max(ans, maxs); } } cout << ans << endl; return 0; }
delete
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TLE
p02585
C++
Runtime Error
#pragma GCC optimize(2) #include <algorithm> #include <bitset> #include <cctype> #include <cmath> #include <cstdio> #include <cstring> #include <fstream> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <unordered_map> #include <utility> #include <vector> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int MAXN = 205; const int MAXM = 50005; const int MOD = 1e9 + 7; #define MP make_pair #define INF 0x3f3f3f3f #define closeSync \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) #define mst(X, Y) memset(X, Y, sizeof(X)) #define rep(i, a, n) for (int i = (a); i <= (n); i++) #define per(i, a, n) for (int i = (a); i >= (n); i--) #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } template <typename T> inline T max(T a, T b, T c) { return max(max(a, b), c); } int vis[MAXN]; int p[MAXN]; ll c[MAXN]; ll sumv[MAXN], preMax[MAXN], val[MAXN]; int n; ll k; inline ll go(int st) { int cnt = 0; vis[st] = 1; sumv[0] = 0; preMax[0] = -1e18; while (!vis[p[st]]) { st = p[st]; ++cnt; sumv[cnt] = sumv[cnt - 1] + c[st]; val[cnt] = c[st]; // debug(sumv[cnt]); preMax[cnt] = max(preMax[cnt - 1], sumv[cnt]); vis[st] = 1; } st = p[st]; ++cnt; sumv[cnt] = sumv[cnt - 1] + c[st]; // debug(sumv[cnt]); val[cnt] = st; preMax[cnt] = max(preMax[cnt - 1], sumv[cnt]); int rd = cnt; // 循环节的长度 // debug(rd); ll rdval = sumv[cnt]; // 循环节的值 // debug(rdval); // debug(preMax[cnt]); preMax[0] = 0; ll ans = 0; // debug(cnt); rep(i, 1, rd) { sumv[rd + i] = sumv[rd + i - 1] + val[i]; // debug(val[i]); // debug(sumv[rd+i]); preMax[rd + i] = max(preMax[rd + i - 1], sumv[rd + i]); // debug(preMax[rd+i]); } if (k > rd) { if (rdval > 0) { ll rm = k % rd + rd; // debug(ans); ans += rdval * ((k - rd) / rd); // debug(ans); ans += preMax[rm]; } else ans = preMax[cnt]; } else ans = preMax[k]; return ans; } int main() { closeSync; #ifdef DEBUG // freopen("C:/Users/86159/Desktop/a2.in.txt", "r", stdin); // freopen("C:/Users/86159/Desktop/output.txt", "w", stdout); #endif cin >> n >> k; rep(i, 1, n) cin >> p[i]; rep(i, 1, n) cin >> c[i]; ll mx = -1e18; rep(i, 1, n) { rep(i, 1, n) val[i] = sumv[i] = preMax[i] = vis[i] = 0; ll temp = go(i); // debug(temp); mx = max(mx, temp); } cout << mx << endl; return 0; }
#pragma GCC optimize(2) #include <algorithm> #include <bitset> #include <cctype> #include <cmath> #include <cstdio> #include <cstring> #include <fstream> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <unordered_map> #include <utility> #include <vector> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int MAXN = 100005; const int MAXM = 50005; const int MOD = 1e9 + 7; #define MP make_pair #define INF 0x3f3f3f3f #define closeSync \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) #define mst(X, Y) memset(X, Y, sizeof(X)) #define rep(i, a, n) for (int i = (a); i <= (n); i++) #define per(i, a, n) for (int i = (a); i >= (n); i--) #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } template <typename T> inline T max(T a, T b, T c) { return max(max(a, b), c); } int vis[MAXN]; int p[MAXN]; ll c[MAXN]; ll sumv[MAXN], preMax[MAXN], val[MAXN]; int n; ll k; inline ll go(int st) { int cnt = 0; vis[st] = 1; sumv[0] = 0; preMax[0] = -1e18; while (!vis[p[st]]) { st = p[st]; ++cnt; sumv[cnt] = sumv[cnt - 1] + c[st]; val[cnt] = c[st]; // debug(sumv[cnt]); preMax[cnt] = max(preMax[cnt - 1], sumv[cnt]); vis[st] = 1; } st = p[st]; ++cnt; sumv[cnt] = sumv[cnt - 1] + c[st]; // debug(sumv[cnt]); val[cnt] = st; preMax[cnt] = max(preMax[cnt - 1], sumv[cnt]); int rd = cnt; // 循环节的长度 // debug(rd); ll rdval = sumv[cnt]; // 循环节的值 // debug(rdval); // debug(preMax[cnt]); preMax[0] = 0; ll ans = 0; // debug(cnt); rep(i, 1, rd) { sumv[rd + i] = sumv[rd + i - 1] + val[i]; // debug(val[i]); // debug(sumv[rd+i]); preMax[rd + i] = max(preMax[rd + i - 1], sumv[rd + i]); // debug(preMax[rd+i]); } if (k > rd) { if (rdval > 0) { ll rm = k % rd + rd; // debug(ans); ans += rdval * ((k - rd) / rd); // debug(ans); ans += preMax[rm]; } else ans = preMax[cnt]; } else ans = preMax[k]; return ans; } int main() { closeSync; #ifdef DEBUG // freopen("C:/Users/86159/Desktop/a2.in.txt", "r", stdin); // freopen("C:/Users/86159/Desktop/output.txt", "w", stdout); #endif cin >> n >> k; rep(i, 1, n) cin >> p[i]; rep(i, 1, n) cin >> c[i]; ll mx = -1e18; rep(i, 1, n) { rep(i, 1, n) val[i] = sumv[i] = preMax[i] = vis[i] = 0; ll temp = go(i); // debug(temp); mx = max(mx, temp); } cout << mx << endl; return 0; }
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p02585
C++
Time Limit Exceeded
#include <algorithm> #include <functional> #include <iostream> #include <map> #include <math.h> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; typedef long long ll; int arr[5001]; int points[5001]; pair<int, ll> memo[5001]; // {횟수,총점수} int main() { int N, K; cin >> N >> K; for (int i = 1; i <= N; i++) { cin >> arr[i]; } for (int i = 1; i <= N; i++) { cin >> points[i]; } for (int i = 1; i <= N; i++) { vector<int> nodes; int initIdx = i; if (memo[i].first != 0) continue; int currIdx = i; ll point_sum = 0; int cnt = 0; do { cnt++; currIdx = arr[currIdx]; point_sum += points[currIdx]; nodes.push_back(currIdx); } while (currIdx != initIdx); for (int i = 0; i < nodes.size(); i++) { memo[nodes[i]] = {cnt, point_sum}; } } ll maxim = -10e20; for (int i = 1; i <= N; i++) { int tempK = K; ll sum = 0; int currIdx = i; for (int j = 0; j < tempK; j++) { currIdx = arr[currIdx]; sum += points[currIdx]; maxim = max(maxim, sum); } } cout << maxim << endl; }
#include <algorithm> #include <functional> #include <iostream> #include <map> #include <math.h> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; typedef long long ll; int arr[5001]; int points[5001]; pair<int, ll> memo[5001]; // {횟수,총점수} int main() { int N, K; cin >> N >> K; for (int i = 1; i <= N; i++) { cin >> arr[i]; } for (int i = 1; i <= N; i++) { cin >> points[i]; } for (int i = 1; i <= N; i++) { vector<int> nodes; int initIdx = i; if (memo[i].first != 0) continue; int currIdx = i; ll point_sum = 0; int cnt = 0; do { cnt++; currIdx = arr[currIdx]; point_sum += points[currIdx]; nodes.push_back(currIdx); } while (currIdx != initIdx); for (int i = 0; i < nodes.size(); i++) { memo[nodes[i]] = {cnt, point_sum}; } } ll maxim = -10e20; for (int i = 1; i <= N; i++) { int tempK = K; ll sum = 0; double multiple = (double)tempK / memo[i].first; if (multiple > 2) { if (memo[i].second > 0) { sum += ((int)multiple - 1) * memo[i].second; } tempK -= ((int)multiple - 1) * memo[i].first; } int currIdx = i; for (int j = 0; j < tempK; j++) { currIdx = arr[currIdx]; sum += points[currIdx]; maxim = max(maxim, sum); } } cout << maxim << endl; }
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TLE
p02585
C++
Runtime Error
#include <algorithm> #include <cassert> #include <cmath> #include <cstdio> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <vector> using namespace std; using lint = long long; constexpr int MOD = 1000000007, INF = 1010101010; constexpr lint LINF = 1LL << 60; #ifdef _DEBUG #include "../../library/library/debug_template.cpp" #define DMP(...) dump(#__VA_ARGS__, __VA_ARGS__) #else #define DMP(...) ((void)0) #endif struct init { init() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); } } init_; template <class T> inline bool chmax(T &a, const T b) { return a < b && (a = b, true); } int main() { int N, K; cin >> N >> K; vector<int> P(N), C(N); for (int i = 0; i < N; i++) cin >> P[i]; for (int i = 0; i < N; i++) P[i]--; for (int i = 0; i < N; i++) cin >> C[i]; lint ans = -LINF; for (int st = 0; st < N; st++) { vector<lint> used(N), point(N + 1); int loop = 0, now = st; for (int i = 0; i < min(N, K); i++, loop++) { if (used[now]) break; point[i + 1] = point[i] + C[now]; used[now] = 1; now = P[now]; } DMP(point, loop); if (point[loop] > 0 && loop < K) { int r = K / loop; point[0] = -LINF; if (chmax(ans, r * point[loop] + *max_element(point.begin(), point.begin() + K % loop + 1))) DMP(1, st, ans, point); if (chmax(ans, (r - 1) * point[loop] + *max_element(point.begin(), point.begin() + loop + 1))) DMP(2, st, ans, point); } else { if (chmax(ans, *max_element(point.begin() + 1, point.begin() + K + 1))) DMP(3, st, ans, point); } } cout << ans << "\n"; return 0; }
#include <algorithm> #include <cassert> #include <cmath> #include <cstdio> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <vector> using namespace std; using lint = long long; constexpr int MOD = 1000000007, INF = 1010101010; constexpr lint LINF = 1LL << 60; #ifdef _DEBUG #include "../../library/library/debug_template.cpp" #define DMP(...) dump(#__VA_ARGS__, __VA_ARGS__) #else #define DMP(...) ((void)0) #endif struct init { init() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); } } init_; template <class T> inline bool chmax(T &a, const T b) { return a < b && (a = b, true); } int main() { int N, K; cin >> N >> K; vector<int> P(N), C(N); for (int i = 0; i < N; i++) cin >> P[i]; for (int i = 0; i < N; i++) P[i]--; for (int i = 0; i < N; i++) cin >> C[i]; lint ans = -LINF; for (int st = 0; st < N; st++) { vector<lint> used(N), point(N + 1); int loop = 0, now = st; for (int i = 0; i < min(N, K); i++, loop++) { if (used[now]) break; point[i + 1] = point[i] + C[now]; used[now] = 1; now = P[now]; } DMP(point, loop); if (point[loop] > 0 && loop < K) { int r = K / loop; point[0] = -LINF; if (chmax(ans, r * point[loop] + *max_element(point.begin(), point.begin() + K % loop + 1))) DMP(1, st, ans, point); if (chmax(ans, (r - 1) * point[loop] + *max_element(point.begin(), point.begin() + loop + 1))) DMP(2, st, ans, point); } else { if (chmax(ans, *max_element(point.begin() + 1, point.begin() + min(loop, K) + 1))) DMP(3, st, ans, point); } } cout << ans << "\n"; return 0; }
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0
p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int main() { int N; int64_t K; cin >> N >> K; vector<int> P(N); for (int i = 0; i < N; i++) cin >> P[i], P[i]--; vector<int64_t> C(N); for (int i = 0; i < N; i++) cin >> C[i]; vector<int> visited(N); vector<vector<int>> VV; for (int i = 0; i < N; i++) if (!visited[i]) { vector<int> v = {i}; int pt = P[i]; while (pt != i) { v.push_back(pt); pt = P[pt]; } VV.push_back(v); } int64_t ans = -1e18; for (auto &v : VV) { int sz = v.size(); for (int r = 0; r < sz; r++) { vector<int64_t> S(sz + 1); for (int i = 0; i < sz; i++) S[i + 1] = S[i] + C[v[i]]; for (int t = 0; t < sz; t++) { int64_t lmn = (t ? 0 : 1); int64_t lmx = (K + sz - t) / sz - 1; if (lmn > lmx) continue; int64_t l = (S[sz] > 0 ? lmx : lmn); int64_t res = l * S[sz] + S[t]; ans = max(ans, res); } rotate(v.begin(), v.begin() + 1, v.end()); } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int N; int64_t K; cin >> N >> K; vector<int> P(N); for (int i = 0; i < N; i++) cin >> P[i], P[i]--; vector<int64_t> C(N); for (int i = 0; i < N; i++) cin >> C[i]; vector<int> visited(N); vector<vector<int>> VV; for (int i = 0; i < N; i++) if (!visited[i]) { vector<int> v = {i}; int pt = P[i]; while (pt != i) { v.push_back(pt); pt = P[pt]; } for (int a : v) visited[a] = 1; VV.push_back(v); } int64_t ans = -1e18; for (auto &v : VV) { int sz = v.size(); for (int r = 0; r < sz; r++) { vector<int64_t> S(sz + 1); for (int i = 0; i < sz; i++) S[i + 1] = S[i] + C[v[i]]; for (int t = 0; t < sz; t++) { int64_t lmn = (t ? 0 : 1); int64_t lmx = (K + sz - t) / sz - 1; if (lmn > lmx) continue; int64_t l = (S[sz] > 0 ? lmx : lmn); int64_t res = l * S[sz] + S[t]; ans = max(ans, res); } rotate(v.begin(), v.begin() + 1, v.end()); } } cout << ans << endl; return 0; }
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TLE
p02585
C++
Runtime Error
#include <climits> #include <iostream> #include <vector> using namespace std; using ll = long long; int main() { int n, k; cin >> n >> k; vector<int> p(n); vector<ll> c(n); for (int i = 0; i < n; i++) { cin >> p[i]; p[i]--; } for (int i = 0; i < n; i++) cin >> c[i]; vector<vector<int>> v(n); for (int i = 0; i < n; i++) { int j = i; while (p[j] != i) { v[i].push_back(p[j]); j = p[j]; } v[i].push_back(i); } /* for(int i = 0; i < n; i++) { for(auto x : v[i]) { cout << x << " "; } cout << endl; } */ ll ans = LONG_LONG_MIN; for (int i = 0; i < n; i++) { int s = v[i].size(); ll tmp = 0; ll wa = 0; int q = k / s; int r = k % s; vector<ll> mx(s, LONG_LONG_MIN); mx[0] = c[v[i][0]]; wa = c[v[i][0]]; for (int j = 1; j < s; j++) { wa += c[v[i][j]]; mx[j] = max(mx[j - 1], wa); } // for(auto x : v[i]) wa += c[x]; if (wa >= 0 && q >= 1) tmp = wa * (ll)(q - 1); tmp += max(mx[s - 1], wa + mx[q]); ans = max(ans, tmp); } cout << ans << endl; return 0; }
#include <climits> #include <iostream> #include <vector> using namespace std; using ll = long long; int main() { int n, k; cin >> n >> k; vector<int> p(n); vector<ll> c(n); for (int i = 0; i < n; i++) { cin >> p[i]; p[i]--; } for (int i = 0; i < n; i++) cin >> c[i]; vector<vector<int>> v(n); for (int i = 0; i < n; i++) { int j = i; while (p[j] != i) { v[i].push_back(p[j]); j = p[j]; } v[i].push_back(i); } /* for(int i = 0; i < n; i++) { for(auto x : v[i]) { cout << x << " "; } cout << endl; } */ ll ans = LONG_LONG_MIN; for (int i = 0; i < n; i++) { int s = v[i].size(); ll tmp = 0; ll wa = 0; int q = k / s; int r = k % s; vector<ll> mx(s, LONG_LONG_MIN); mx[0] = c[v[i][0]]; wa = c[v[i][0]]; for (int j = 1; j < s; j++) { wa += c[v[i][j]]; mx[j] = max(mx[j - 1], wa); } // for(auto x : v[i]) wa += c[x]; if (wa >= 0 && q >= 1) tmp = wa * (ll)(q - 1); if (q == 0) tmp += mx[r - 1]; if (q != 0 && r == 0) tmp += mx[s - 1]; if (q != 0 && r >= 1) tmp += max(mx[s - 1], wa + mx[r - 1]); ans = max(ans, tmp); } cout << ans << endl; return 0; }
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0
p02585
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n, k; int p[5001]; int c[5001]; long long ans[5001] = {0}; cin >> n >> k; for (int i = 0; i < n; i++) cin >> p[i]; for (int i = 0; i < n; i++) cin >> c[i]; for (int i = 0; i < n; i++) { // find out length, cycle_length, cycle_sum, whole_sum, max_val, s_pos int length = 0, cycle_length = 0, s_pos = 0; long long cycle_sum = 0, whole_sum = 0, max_val = -1e18; int s = i; map<int, vector<long long>> dict; while (dict[s].empty()) { // cout<< " s is : " << s <<'\n'; dict[s] = {length, whole_sum}; // cout << "dict[s] is : " << length << " " << whole_sum << '\n'; length++; whole_sum += c[p[s] - 1]; s = p[s] - 1; if (length <= k) max_val = max(whole_sum, max_val); } cycle_length = length - dict[s][0]; cycle_sum = whole_sum - dict[s][1]; s_pos = s; // cout << "cycle_length is : " << cycle_length << " cycle_sum is : " << // cycle_sum << " s_pos is : " << s_pos <<'\n' << '\n'; if (k <= length) { ans[i] = max_val; } else { // k > length if (cycle_sum <= 0) ans[i] = max_val; else { int pos_cycle = (k - length) / cycle_length; if (pos_cycle >= 1) { int left_k = (k - length) - (pos_cycle - 1) * cycle_length; whole_sum += (pos_cycle - 1) * cycle_sum; max_val = max(whole_sum, max_val); for (int j = 0; j < left_k; j++) { whole_sum += c[p[s_pos] - 1]; s_pos = p[s_pos] - 1; max_val = max(whole_sum, max_val); } ans[i] = max_val; } else { int left_k = k - length; for (int j = 0; j < left_k; j++) { whole_sum += c[p[s_pos] - 1]; s_pos = p[s_pos] - 1; max_val = max(whole_sum, max_val); } ans[i] = max_val; } } } } // for(int i=0; i<n; i++) // cout << ans[i] <<' '; // cout << '\n'; cout << *max_element(ans, ans + n); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n, k; int p[5001]; int c[5001]; long long ans[5001] = {0}; cin >> n >> k; for (int i = 0; i < n; i++) cin >> p[i]; for (int i = 0; i < n; i++) cin >> c[i]; for (int i = 0; i < n; i++) { // find out length, cycle_length, cycle_sum, whole_sum, max_val, s_pos int length = 0, cycle_length = 0, s_pos = 0; long long cycle_sum = 0, whole_sum = 0, max_val = -1e18; int s = i; unordered_map<int, vector<long long>> dict; while (dict[s].empty()) { // cout<< " s is : " << s <<'\n'; dict[s] = {length, whole_sum}; // cout << "dict[s] is : " << length << " " << whole_sum << '\n'; length++; whole_sum += c[p[s] - 1]; s = p[s] - 1; if (length <= k) max_val = max(whole_sum, max_val); } cycle_length = length - dict[s][0]; cycle_sum = whole_sum - dict[s][1]; s_pos = s; // cout << "cycle_length is : " << cycle_length << " cycle_sum is : " << // cycle_sum << " s_pos is : " << s_pos <<'\n' << '\n'; if (k <= length) { ans[i] = max_val; } else { // k > length if (cycle_sum <= 0) ans[i] = max_val; else { int pos_cycle = (k - length) / cycle_length; if (pos_cycle >= 1) { int left_k = (k - length) - (pos_cycle - 1) * cycle_length; whole_sum += (pos_cycle - 1) * cycle_sum; max_val = max(whole_sum, max_val); for (int j = 0; j < left_k; j++) { whole_sum += c[p[s_pos] - 1]; s_pos = p[s_pos] - 1; max_val = max(whole_sum, max_val); } ans[i] = max_val; } else { int left_k = k - length; for (int j = 0; j < left_k; j++) { whole_sum += c[p[s_pos] - 1]; s_pos = p[s_pos] - 1; max_val = max(whole_sum, max_val); } ans[i] = max_val; } } } } // for(int i=0; i<n; i++) // cout << ans[i] <<' '; // cout << '\n'; cout << *max_element(ans, ans + n); return 0; }
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TLE
p02586
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using ll = long long; using vec = vector<ll>; using mat = vector<vec>; using pll = pair<ll, ll>; #define INF (1LL << 60) #define MOD 1000000007 #define PI 3.14159265358979323846 #define REP(i, m, n) for (ll(i) = (m), (i_len) = (n); (i) < (i_len); ++(i)) #define FORR(i, v) for (auto(i) : v) #define ALL(x) (x).begin(), (x).end() #define PR(x) cout << (x) << endl #define PS(x) cout << (x) << " " #define SZ(x) ((ll)(x).size()) #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #define REV(x) reverse(ALL((x))) #define ASC(x) sort(ALL((x))) #define DESC(x) \ ASC((x)); \ REV((x)) #define pb push_back #define eb emplace_back int main() { ll R, C, K; cin >> R >> C >> K; map<pair<ll, ll>, ll> S; REP(i, 0, K) { ll r, c, v; cin >> r >> c >> v; S[{r, c}] = v; } vector<vector<vector<ll>>> dp(R + 1, vector<vector<ll>>(C + 1, vector<ll>(4))); REP(i, 0, R + 1) REP(j, 0, C + 1) REP(k, 0, 4) dp[i][j][k] = 0; REP(i, 1, R + 1) { REP(j, 1, C + 1) { ll x = S[{i, j}]; dp[i][j][0] = MAX(dp[i][j][0], dp[i][j - 1][0]); REP(k, 0, 4) dp[i][j][0] = MAX(dp[i][j][0], dp[i - 1][j][k]); REP(k, 1, 4) dp[i][j][k] = MAX(dp[i][j][0], dp[i][j - 1][k]); dp[i][j][1] = MAX(dp[i][j][1], dp[i][j - 1][0] + x); REP(k, 0, 4) dp[i][j][1] = MAX(dp[i][j][1], dp[i - 1][j][k] + x); REP(k, 2, 4) dp[i][j][k] = MAX(dp[i][j][k], dp[i][j - 1][k - 1] + x); } } ll ans = MAX(dp[R][C][0], dp[R][C][1]); ans = MAX(ans, dp[R][C][2]); ans = MAX(ans, dp[R][C][3]); PR(ans); return 0; } /* */
#include <bits/stdc++.h> using namespace std; using ll = long long; using vec = vector<ll>; using mat = vector<vec>; using pll = pair<ll, ll>; #define INF (1LL << 60) #define MOD 1000000007 #define PI 3.14159265358979323846 #define REP(i, m, n) for (ll(i) = (m), (i_len) = (n); (i) < (i_len); ++(i)) #define FORR(i, v) for (auto(i) : v) #define ALL(x) (x).begin(), (x).end() #define PR(x) cout << (x) << endl #define PS(x) cout << (x) << " " #define SZ(x) ((ll)(x).size()) #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #define REV(x) reverse(ALL((x))) #define ASC(x) sort(ALL((x))) #define DESC(x) \ ASC((x)); \ REV((x)) #define pb push_back #define eb emplace_back int main() { ll R, C, K; cin >> R >> C >> K; map<pair<ll, ll>, ll> S; REP(i, 0, K) { ll r, c, v; cin >> r >> c >> v; S[{r, c}] = v; } vector<vector<vector<ll>>> dp(R + 1, vector<vector<ll>>(C + 1, vector<ll>(4))); REP(i, 0, R + 1) REP(j, 0, C + 1) REP(k, 0, 4) dp[i][j][k] = 0; REP(i, 1, R + 1) { REP(j, 1, C + 1) { ll x = 0; if (S.count({i, j}) > 0) x = S[{i, j}]; dp[i][j][0] = MAX(dp[i][j][0], dp[i][j - 1][0]); REP(k, 0, 4) dp[i][j][0] = MAX(dp[i][j][0], dp[i - 1][j][k]); REP(k, 1, 4) dp[i][j][k] = MAX(dp[i][j][0], dp[i][j - 1][k]); dp[i][j][1] = MAX(dp[i][j][1], dp[i][j - 1][0] + x); REP(k, 0, 4) dp[i][j][1] = MAX(dp[i][j][1], dp[i - 1][j][k] + x); REP(k, 2, 4) dp[i][j][k] = MAX(dp[i][j][k], dp[i][j - 1][k - 1] + x); } } ll ans = MAX(dp[R][C][0], dp[R][C][1]); ans = MAX(ans, dp[R][C][2]); ans = MAX(ans, dp[R][C][3]); PR(ans); return 0; } /* */
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p02586
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int, int>; ll v[3000][3000], dp[3000][3000][4]; int main(void) { int r, c, t; cin >> r >> c >> t; fill(v[0], v[r + 1], 0); rep(i, t) { int a, b; cin >> a >> b; cin >> v[a - 1][b - 1]; } fill(dp[0][0], dp[r][0], 0); if (v[0][0] > 0) dp[0][0][2] += v[0][0]; rep(i, r) { rep(j, c) { ll val = v[i][j]; rep(k, 4) { if (i > 0) { dp[i][j][3] = max(dp[i][j][3], dp[i - 1][j][k]); dp[i][j][2] = max(dp[i][j][2], dp[i - 1][j][k] + val); } if (j > 0) { dp[i][j][k] = max(dp[i][j][k], dp[i][j - 1][k]); if (k > 0) { dp[i][j][k - 1] = max(dp[i][j][k - 1], dp[i][j - 1][k] + val); } } } } } ll ans = 0; rep(k, 4) ans = max(ans, dp[r - 1][c - 1][k]); cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int, int>; ll v[3000][3000], dp[3000][3000][4]; int main(void) { int r, c, t; cin >> r >> c >> t; fill(v[0], v[r], 0); rep(i, t) { int a, b; cin >> a >> b; cin >> v[a - 1][b - 1]; } fill(dp[0][0], dp[r][0], 0); if (v[0][0] > 0) dp[0][0][2] += v[0][0]; rep(i, r) { rep(j, c) { ll val = v[i][j]; rep(k, 4) { if (i > 0) { dp[i][j][3] = max(dp[i][j][3], dp[i - 1][j][k]); dp[i][j][2] = max(dp[i][j][2], dp[i - 1][j][k] + val); } if (j > 0) { dp[i][j][k] = max(dp[i][j][k], dp[i][j - 1][k]); if (k > 0) { dp[i][j][k - 1] = max(dp[i][j][k - 1], dp[i][j - 1][k] + val); } } } } } ll ans = 0; rep(k, 4) ans = max(ans, dp[r - 1][c - 1][k]); cout << ans << endl; return 0; }
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p02586
C++
Runtime Error
// #include<bits/stdc++.h> #include <algorithm> #include <cmath> #include <iostream> #include <queue> #include <set> #include <vector> /* #include <boost/multiprecision/cpp_dec_float.hpp> #include<boost/multiprecision/cpp_int.hpp> #include <boost/rational.hpp> namespace mp = boost::multiprecision; using Real = mp::number<mp::cpp_dec_float<1024>>; using Bint = mp::cpp_int; */ using namespace std; #define int long long #define REP(i, s, e) for ((i) = (s); (i) < (e); (i)++) #define RREP(i, s, e) for ((i) = ((s)-1); (i) >= (e); (i)--) #define FOR(i, n) for ((i) = (0); (i) < (n); (i)++) #define RFOR(i, n) for ((i) = ((n)-1); (i) >= (0); (i)--) #define MOD 1000000007 #define MAX 3000 signed main() { int rcv[MAX + 1][MAX + 1] = {{0}}; int ans[4][MAX + 1][MAX + 1]; int R, C, K; cin >> R >> C >> K; for (int i = 0; i < K; i++) { int r, c, v; cin >> r >> c >> v; rcv[r][c] = v; } queue<int> qx, qy; qx.push(1); qy.push(1); for (int i = 1; i <= R; i++) { for (int j = 1; j <= C; j++) { for (int k = 0; k < 4; k++) { ans[k][i][j] = -1; } } } ans[0][1][1] = 0; while (!qx.empty()) { int nx = qx.front(); qx.pop(); int ny = qy.front(); qy.pop(); for (int i = 0; i < 4; i++) { if (ans[i][ny][nx] == -1) continue; if (i <= 2) { if (nx != C && (ans[i + 1][ny][nx + 1] < ans[i][ny][nx] + rcv[ny][nx])) { ans[i + 1][ny][nx + 1] = ans[i][ny][nx] + rcv[ny][nx]; qx.push(nx + 1); qy.push(ny); } if (ny != R && (ans[0][ny + 1][nx] < ans[i][ny][nx] + rcv[ny][nx])) { ans[0][ny + 1][nx] = ans[i][ny][nx] + rcv[ny][nx]; qx.push(nx); qy.push(ny + 1); } } if (nx != C && (ans[i][ny][nx + 1] < ans[i][ny][nx])) { ans[i][ny][nx + 1] = ans[i][ny][nx]; qx.push(nx + 1); qy.push(ny); } if (ny != R && (ans[0][ny + 1][nx] < ans[i][ny][nx])) { ans[0][ny + 1][nx] = ans[i][ny][nx]; qx.push(nx); qy.push(ny + 1); } } } cout << max(ans[0][R][C] + rcv[R][C], max(ans[1][R][C] + rcv[R][C], max(ans[2][R][C] + rcv[R][C], ans[3][R][C]))) << endl; }
// #include<bits/stdc++.h> #include <algorithm> #include <cmath> #include <iostream> #include <queue> #include <set> #include <vector> /* #include <boost/multiprecision/cpp_dec_float.hpp> #include<boost/multiprecision/cpp_int.hpp> #include <boost/rational.hpp> namespace mp = boost::multiprecision; using Real = mp::number<mp::cpp_dec_float<1024>>; using Bint = mp::cpp_int; */ using namespace std; #define int long long #define REP(i, s, e) for ((i) = (s); (i) < (e); (i)++) #define RREP(i, s, e) for ((i) = ((s)-1); (i) >= (e); (i)--) #define FOR(i, n) for ((i) = (0); (i) < (n); (i)++) #define RFOR(i, n) for ((i) = ((n)-1); (i) >= (0); (i)--) #define MOD 1000000007 #define MAX 3000 signed main() { static int rcv[MAX + 1][MAX + 1] = {{0}}; static int ans[4][MAX + 1][MAX + 1]; int R, C, K; cin >> R >> C >> K; for (int i = 0; i < K; i++) { int r, c, v; cin >> r >> c >> v; rcv[r][c] = v; } queue<int> qx, qy; qx.push(1); qy.push(1); for (int i = 1; i <= R; i++) { for (int j = 1; j <= C; j++) { for (int k = 0; k < 4; k++) { ans[k][i][j] = -1; } } } ans[0][1][1] = 0; while (!qx.empty()) { int nx = qx.front(); qx.pop(); int ny = qy.front(); qy.pop(); for (int i = 0; i < 4; i++) { if (ans[i][ny][nx] == -1) continue; if (i <= 2) { if (nx != C && (ans[i + 1][ny][nx + 1] < ans[i][ny][nx] + rcv[ny][nx])) { ans[i + 1][ny][nx + 1] = ans[i][ny][nx] + rcv[ny][nx]; qx.push(nx + 1); qy.push(ny); } if (ny != R && (ans[0][ny + 1][nx] < ans[i][ny][nx] + rcv[ny][nx])) { ans[0][ny + 1][nx] = ans[i][ny][nx] + rcv[ny][nx]; qx.push(nx); qy.push(ny + 1); } } if (nx != C && (ans[i][ny][nx + 1] < ans[i][ny][nx])) { ans[i][ny][nx + 1] = ans[i][ny][nx]; qx.push(nx + 1); qy.push(ny); } if (ny != R && (ans[0][ny + 1][nx] < ans[i][ny][nx])) { ans[0][ny + 1][nx] = ans[i][ny][nx]; qx.push(nx); qy.push(ny + 1); } } } cout << max(ans[0][R][C] + rcv[R][C], max(ans[1][R][C] + rcv[R][C], max(ans[2][R][C] + rcv[R][C], ans[3][R][C]))) << endl; }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = (0); i < (n); ++i) #define rrep(i, n) for (int i = 1; i <= (n); ++i) #define drep(i, n) for (int i = (n)-1; i >= 0; --i) #define srep(i, s, t) for (int i = s; i < t; ++i) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define limit(x, l, r) max(l, min(x, r)) #define lims(x, l, r) (x = max(l, min(x, r))) #define isin(x, l, r) ((l) <= (x) && (x) < (r)) #define show(x) cout << #x << " = " << (x) << endl #define show2(x, y) \ cout << #x << " = " << (x) << ", " << #y << " = " << (y) << endl #define show3(x, y, z) \ cout << #x << " = " << (x) << ", " << #y << " = " << (y) << ", " << #z \ << " = " << (z) << endl #define showv(v) \ rep(i, v.size()) printf("%d%c", v[i], i == v.size() - 1 ? '\n' : ' ') #define showv2(v) rep(j, v.size()) showv(v[j]) #define showt(t, n) rep(i, n) printf("%d%c", t[i], i == n - 1 ? '\n' : ' ') #define showt2(t, r, c) rep(j, r) showt(t[j], c) #define showvp(p) rep(i, p.size()) printf("%d %d\n", p[i].first, p[i].second) #define printv(v) rep(i, v.size()) printf("%d\n", v[i]) #define printt(t, n) rep(i, n) printf("%d\n", t[i]) #define incl(v, x) (find(all(v), x) != v.end()) #define incls(s, c) (s.find(c) != string::npos) #define lb(a, x) distance((a).begin(), lower_bound(all(a), (x))) #define ub(a, x) distance((a).begin(), upper_bound(all(a), (x))) #define fi first #define se second #define pb push_back #define eb emplace_back #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define bit(n, k) ((n >> k) & 1) // nのk bit目 #define bn(x) ((1 << x) - 1) #define dup(x, y) (((x) + (y)-1) / (y)) #define newline puts("") #define uni(x) x.erase(unique(all(x)), x.end()) #define SP << " " << using namespace std; using ll = long long; using ld = long double; using vi = vector<int>; using vvi = vector<vi>; using vl = vector<ll>; using vvl = vector<vl>; using vc = vector<char>; using vvc = vector<vc>; using vs = vector<string>; using vb = vector<bool>; using vvb = vector<vb>; using P = pair<int, int>; using T = tuple<int, int, int>; using vp = vector<P>; using vt = vector<T>; const int mod = 1000000007; const double EPS = 1e-9; // const long double EPS = 1e-14; const int INF = (1 << 30) - 1; const ll LINF = (1LL << 62) - 1; #define dame \ { \ puts("No"); \ return 0; \ } #define yn \ { puts("Yes"); } \ else { \ puts("No"); \ } #define YN \ { puts("YES"); } \ else { \ puts("NO"); \ } inline int in() { int x; cin >> x; return x; } inline ll lin() { ll x; cin >> x; return x; } inline char chin() { char x; cin >> x; return x; } inline string stin() { string x; cin >> x; return x; } inline double din() { double x; cin >> x; return x; } // template<class T = int> inline T in() { T x; cin >> x; return (x);} template <typename T> inline ll suma(const vector<T> &a) { ll res(0); for (auto &&x : a) res += x; return res; } template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } char itoa(int n) { return n + '0'; } ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } const int dy[2] = {1, 0}; const int dx[2] = {0, 1}; ll dp[1005][1005][4]; int main() { int R, C, K; cin >> R >> C >> K; vi r(K), c(K), v(K); map<P, int> id; rep(i, K) { cin >> r[i] >> c[i] >> v[i]; r[i]--, c[i]--; id[P(r[i], c[i])] = i; } rep(k, 4) dp[0][0][k] = 0; if (id.count(P(0, 0))) { int vi = id[P(0, 0)]; dp[0][0][0] = 0; dp[0][0][1] = v[vi]; } rep(i, R) rep(j, C) rep(k, 4) { rep(di, 2) { int ni = i + dy[di], nj = j + dx[di], nk; if (!isin(ni, 0, R) || !isin(nj, 0, C)) continue; if (di == 0) nk = 0; else nk = k; chmax(dp[ni][nj][nk], dp[i][j][k]); if (id.count(P(ni, nj))) { int vi = id[P(ni, nj)]; nk++; if (nk == 4) continue; chmax(dp[ni][nj][nk], dp[i][j][k] + v[vi]); } } } ll ans = 0; rep(k, 4) chmax(ans, dp[R - 1][C - 1][k]); cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = (0); i < (n); ++i) #define rrep(i, n) for (int i = 1; i <= (n); ++i) #define drep(i, n) for (int i = (n)-1; i >= 0; --i) #define srep(i, s, t) for (int i = s; i < t; ++i) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define limit(x, l, r) max(l, min(x, r)) #define lims(x, l, r) (x = max(l, min(x, r))) #define isin(x, l, r) ((l) <= (x) && (x) < (r)) #define show(x) cout << #x << " = " << (x) << endl #define show2(x, y) \ cout << #x << " = " << (x) << ", " << #y << " = " << (y) << endl #define show3(x, y, z) \ cout << #x << " = " << (x) << ", " << #y << " = " << (y) << ", " << #z \ << " = " << (z) << endl #define showv(v) \ rep(i, v.size()) printf("%d%c", v[i], i == v.size() - 1 ? '\n' : ' ') #define showv2(v) rep(j, v.size()) showv(v[j]) #define showt(t, n) rep(i, n) printf("%d%c", t[i], i == n - 1 ? '\n' : ' ') #define showt2(t, r, c) rep(j, r) showt(t[j], c) #define showvp(p) rep(i, p.size()) printf("%d %d\n", p[i].first, p[i].second) #define printv(v) rep(i, v.size()) printf("%d\n", v[i]) #define printt(t, n) rep(i, n) printf("%d\n", t[i]) #define incl(v, x) (find(all(v), x) != v.end()) #define incls(s, c) (s.find(c) != string::npos) #define lb(a, x) distance((a).begin(), lower_bound(all(a), (x))) #define ub(a, x) distance((a).begin(), upper_bound(all(a), (x))) #define fi first #define se second #define pb push_back #define eb emplace_back #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define bit(n, k) ((n >> k) & 1) // nのk bit目 #define bn(x) ((1 << x) - 1) #define dup(x, y) (((x) + (y)-1) / (y)) #define newline puts("") #define uni(x) x.erase(unique(all(x)), x.end()) #define SP << " " << using namespace std; using ll = long long; using ld = long double; using vi = vector<int>; using vvi = vector<vi>; using vl = vector<ll>; using vvl = vector<vl>; using vc = vector<char>; using vvc = vector<vc>; using vs = vector<string>; using vb = vector<bool>; using vvb = vector<vb>; using P = pair<int, int>; using T = tuple<int, int, int>; using vp = vector<P>; using vt = vector<T>; const int mod = 1000000007; const double EPS = 1e-9; // const long double EPS = 1e-14; const int INF = (1 << 30) - 1; const ll LINF = (1LL << 62) - 1; #define dame \ { \ puts("No"); \ return 0; \ } #define yn \ { puts("Yes"); } \ else { \ puts("No"); \ } #define YN \ { puts("YES"); } \ else { \ puts("NO"); \ } inline int in() { int x; cin >> x; return x; } inline ll lin() { ll x; cin >> x; return x; } inline char chin() { char x; cin >> x; return x; } inline string stin() { string x; cin >> x; return x; } inline double din() { double x; cin >> x; return x; } // template<class T = int> inline T in() { T x; cin >> x; return (x);} template <typename T> inline ll suma(const vector<T> &a) { ll res(0); for (auto &&x : a) res += x; return res; } template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } char itoa(int n) { return n + '0'; } ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } const int dy[2] = {1, 0}; const int dx[2] = {0, 1}; ll dp[3005][3005][4]; int main() { int R, C, K; cin >> R >> C >> K; vi r(K), c(K), v(K); map<P, int> id; rep(i, K) { cin >> r[i] >> c[i] >> v[i]; r[i]--, c[i]--; id[P(r[i], c[i])] = i; } rep(k, 4) dp[0][0][k] = 0; if (id.count(P(0, 0))) { int vi = id[P(0, 0)]; dp[0][0][0] = 0; dp[0][0][1] = v[vi]; } rep(i, R) rep(j, C) rep(k, 4) { rep(di, 2) { int ni = i + dy[di], nj = j + dx[di], nk; if (!isin(ni, 0, R) || !isin(nj, 0, C)) continue; if (di == 0) nk = 0; else nk = k; chmax(dp[ni][nj][nk], dp[i][j][k]); if (id.count(P(ni, nj))) { int vi = id[P(ni, nj)]; nk++; if (nk == 4) continue; chmax(dp[ni][nj][nk], dp[i][j][k] + v[vi]); } } } ll ans = 0; rep(k, 4) chmax(ans, dp[R - 1][C - 1][k]); cout << ans << endl; return 0; }
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p02586
C++
Runtime Error
#include <iostream> #include <queue> #include <vector> // #include<unordered_map> int main() { int R, C, K; std::cin >> R >> C >> K; std::vector<std::vector<unsigned long long>> mat( R, std::vector<unsigned long long>(C, 0)); std::vector<std::vector<bool>> flags(R, std::vector<bool>(C, 1)); std::vector<std::vector<std::vector<unsigned long long>>> dp( R, std::vector<std::vector<unsigned long long>>( C, std::vector<unsigned long long>(4, 0))); for (int i = 0; i < K; ++i) { int r, c, v; std::cin >> r >> c >> v; mat[r - 1][c - 1] = v; } std::queue<std::pair<int, int>> searchQ; searchQ.push(std::pair<int, int>(0, 0)); flags[0][0] = 0; // dp[0][0][1]=mat[0][0]; while (!searchQ.empty()) { std::pair<int, int> index = searchQ.front(); int y = index.first, x = index.second; searchQ.pop(); if (index.second + 1 < C) { for (int i = 0; i < 4; ++i) { if (dp[y][x + 1][i] < dp[y][x][i]) { dp[y][x + 1][i] = dp[y][x][i]; } } if (mat[y][x] > 0) { for (int i = 0; i < 3; ++i) { unsigned long long buf = (dp[y][x][i] + mat[y][x]); if (dp[y][x + 1][i + 1] < buf) { dp[y][x + 1][i + 1] = buf; } } } if (flags[y][x + 1] == 1) { searchQ.push(std::pair<int, int>(y, x + 1)); flags[y][x + 1] = 0; } } if (index.first + 1 < R) { unsigned long long max = 0; for (int i = 0; i < 4; ++i) { unsigned long long buf = dp[y][x][i]; if (mat[y][x] > 0 && i < 3) { buf += mat[y][x]; } if (max < buf) { max = buf; } } dp[y + 1][x][0] = max; if (flags[y + 1][x] == 1) { searchQ.push(std::pair<int, int>(y, x + 1)); flags[y + 1][x] = 0; } } } unsigned long long ans = 0; for (int i = 0; i < 4; ++i) { unsigned long long buf = dp[R - 1][C - 1][i]; if (mat[R - 1][C - 1] && i < 3) { buf += mat[R - 1][C - 1]; } if (ans < buf) { ans = buf; } } std::cout << ans << std::endl; }
#include <iostream> #include <queue> #include <vector> // #include<unordered_map> int main() { int R, C, K; std::cin >> R >> C >> K; std::vector<std::vector<unsigned long long>> mat( R, std::vector<unsigned long long>(C, 0)); std::vector<std::vector<bool>> flags(R, std::vector<bool>(C, 1)); std::vector<std::vector<std::vector<unsigned long long>>> dp( R, std::vector<std::vector<unsigned long long>>( C, std::vector<unsigned long long>(4, 0))); for (int i = 0; i < K; ++i) { int r, c, v; std::cin >> r >> c >> v; mat[r - 1][c - 1] = v; } std::queue<std::pair<int, int>> searchQ; searchQ.push(std::pair<int, int>(0, 0)); flags[0][0] = 0; // dp[0][0][1]=mat[0][0]; while (!searchQ.empty()) { std::pair<int, int> index = searchQ.front(); int y = index.first, x = index.second; searchQ.pop(); if (index.second + 1 < C) { for (int i = 0; i < 4; ++i) { if (dp[y][x + 1][i] < dp[y][x][i]) { dp[y][x + 1][i] = dp[y][x][i]; } } if (mat[y][x] > 0) { for (int i = 0; i < 3; ++i) { unsigned long long buf = (dp[y][x][i] + mat[y][x]); if (dp[y][x + 1][i + 1] < buf) { dp[y][x + 1][i + 1] = buf; } } } if (flags[y][x + 1] == 1) { searchQ.push(std::pair<int, int>(y, x + 1)); flags[y][x + 1] = 0; } } if (index.first + 1 < R) { unsigned long long max = 0; for (int i = 0; i < 4; ++i) { unsigned long long buf = dp[y][x][i]; if (mat[y][x] > 0 && i < 3) { buf += mat[y][x]; } if (max < buf) { max = buf; } } dp[y + 1][x][0] = max; if (flags[y + 1][x] == 1) { searchQ.push(std::pair<int, int>(y + 1, x)); flags[y + 1][x] = 0; } } } unsigned long long ans = 0; for (int i = 0; i < 4; ++i) { unsigned long long buf = dp[R - 1][C - 1][i]; if (mat[R - 1][C - 1] && i < 3) { buf += mat[R - 1][C - 1]; } if (ans < buf) { ans = buf; } } std::cout << ans << std::endl; }
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p02586
C++
Runtime Error
#include <algorithm> #include <cassert> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <memory> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; typedef long long ll; int field[3000][3000]; ll dp[4000][4000][4]; int main() { int R, C, K; cin >> R >> C >> K; for (int i = 0; i < R + 1; i++) { for (int j = 0; j < C + 1; j++) { field[i][j] = 0; } } for (int i = 0; i < K; i++) { int r, c, v; cin >> r >> c >> v; r--; c--; field[r][c] = v; } for (int i = 0; i < R + 1; i++) { for (int j = 0; j < C + 1; j++) { for (int k = 0; k < 4; k++) dp[i][j][k] = 0; } } ll ans = 0; for (int i = 0; i < R; i++) { for (int j = 0; j < C; j++) { for (int k = 0; k < 4; k++) { if (k + 1 < 4) { dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k] + field[i][j]); dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k] + field[i][j]); } dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); } } } for (int i = 0; i <= R; i++) { for (int j = 0; j <= C; j++) { for (int k = 0; k < 4; k++) { // cout << i << " " << j << " " << k << " " << dp[i][j][k] << endl; ans = max(ans, dp[i][j][k]); } } } cout << ans << endl; return 0; }
#include <algorithm> #include <cassert> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <memory> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; typedef long long ll; int field[3010][3010]; ll dp[4000][4000][4]; int main() { int R, C, K; cin >> R >> C >> K; for (int i = 0; i < R + 1; i++) { for (int j = 0; j < C + 1; j++) { field[i][j] = 0; } } for (int i = 0; i < K; i++) { int r, c, v; cin >> r >> c >> v; r--; c--; field[r][c] = v; } for (int i = 0; i < R + 1; i++) { for (int j = 0; j < C + 1; j++) { for (int k = 0; k < 4; k++) dp[i][j][k] = 0; } } ll ans = 0; for (int i = 0; i < R; i++) { for (int j = 0; j < C; j++) { for (int k = 0; k < 4; k++) { if (k + 1 < 4) { dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k] + field[i][j]); dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k] + field[i][j]); } dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); } } } for (int i = 0; i <= R; i++) { for (int j = 0; j <= C; j++) { for (int k = 0; k < 4; k++) { // cout << i << " " << j << " " << k << " " << dp[i][j][k] << endl; ans = max(ans, dp[i][j][k]); } } } cout << ans << endl; return 0; }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; using ll = long long; using vec = vector<ll>; using mat = vector<vec>; using pll = pair<ll, ll>; #define INF (1LL << 60) #define MOD 1000000007 #define PI 3.14159265358979323846 #define REP(i, m, n) for (ll(i) = (m), (i_len) = (n); (i) < (i_len); ++(i)) #define FORR(i, v) for (auto(i) : v) #define ALL(x) (x).begin(), (x).end() #define PR(x) cout << (x) << endl #define PS(x) cout << (x) << " " #define SZ(x) ((ll)(x).size()) #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #define REV(x) reverse(ALL((x))) #define ASC(x) sort(ALL((x))) #define DESC(x) \ ASC((x)); \ REV((x)) #define pb push_back #define eb emplace_back int main() { ll R, C, K; cin >> R >> C >> K; map<pair<ll, ll>, ll> S; REP(i, 0, K) { ll r, c, v; cin >> r >> c >> v; S[{r, c}] = v; } // vector<vector<vector<ll>>> dp(R+1, vector<vector<ll>>(C+1, vector<ll>(4))); ll dp[R + 1][C + 1][4]; REP(i, 0, R + 1) REP(j, 0, C + 1) REP(k, 0, 4) dp[i][j][k] = 0; REP(i, 1, R + 1) { REP(j, 1, C + 1) { ll x = 0; if (S.count({i, j}) > 0) x = S[{i, j}]; dp[i][j][0] = MAX(dp[i][j][0], dp[i][j - 1][0]); REP(k, 0, 4) dp[i][j][0] = MAX(dp[i][j][0], dp[i - 1][j][k]); REP(k, 1, 4) dp[i][j][k] = MAX(dp[i][j][0], dp[i][j - 1][k]); dp[i][j][1] = MAX(dp[i][j][1], dp[i][j - 1][0] + x); REP(k, 0, 4) dp[i][j][1] = MAX(dp[i][j][1], dp[i - 1][j][k] + x); REP(k, 2, 4) dp[i][j][k] = MAX(dp[i][j][k], dp[i][j - 1][k - 1] + x); } } ll ans = MAX(dp[R][C][0], dp[R][C][1]); ans = MAX(ans, dp[R][C][2]); ans = MAX(ans, dp[R][C][3]); PR(ans); return 0; } /* */
#include <bits/stdc++.h> using namespace std; using ll = long long; using vec = vector<ll>; using mat = vector<vec>; using pll = pair<ll, ll>; #define INF (1LL << 60) #define MOD 1000000007 #define PI 3.14159265358979323846 #define REP(i, m, n) for (ll(i) = (m), (i_len) = (n); (i) < (i_len); ++(i)) #define FORR(i, v) for (auto(i) : v) #define ALL(x) (x).begin(), (x).end() #define PR(x) cout << (x) << endl #define PS(x) cout << (x) << " " #define SZ(x) ((ll)(x).size()) #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #define REV(x) reverse(ALL((x))) #define ASC(x) sort(ALL((x))) #define DESC(x) \ ASC((x)); \ REV((x)) #define pb push_back #define eb emplace_back int main() { ll R, C, K; cin >> R >> C >> K; map<pair<ll, ll>, ll> S; REP(i, 0, K) { ll r, c, v; cin >> r >> c >> v; S[{r, c}] = v; } vector<vector<vector<ll>>> dp(R + 1, vector<vector<ll>>(C + 1, vector<ll>(4, 0))); REP(i, 1, R + 1) { REP(j, 1, C + 1) { ll x = 0; if (S.count({i, j}) > 0) x = S[{i, j}]; dp[i][j][0] = MAX(dp[i][j][0], dp[i][j - 1][0]); REP(k, 0, 4) dp[i][j][0] = MAX(dp[i][j][0], dp[i - 1][j][k]); REP(k, 1, 4) dp[i][j][k] = MAX(dp[i][j][0], dp[i][j - 1][k]); dp[i][j][1] = MAX(dp[i][j][1], dp[i][j - 1][0] + x); REP(k, 0, 4) dp[i][j][1] = MAX(dp[i][j][1], dp[i - 1][j][k] + x); REP(k, 2, 4) dp[i][j][k] = MAX(dp[i][j][k], dp[i][j - 1][k - 1] + x); } } ll ans = MAX(dp[R][C][0], dp[R][C][1]); ans = MAX(ans, dp[R][C][2]); ans = MAX(ans, dp[R][C][3]); PR(ans); return 0; } /* */
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p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int M = 1e3; int n, m, mat[M][M]; long long memo[M][M][4]; long long solve(int i, int j, int cnt) { if (i == n || j == m) return 0; long long &r = memo[i][j][cnt]; if (r == -1) { r = max(solve(i + 1, j, 0), solve(i, j + 1, cnt)); if (cnt < 3 && mat[i][j]) r = max(r, mat[i][j] + max(solve(i + 1, j, 0), solve(i, j + 1, cnt + 1))); } return r; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); memset(memo, -1, sizeof memo); int k; cin >> n >> m >> k; while (k--) { int i, j, x; cin >> i >> j >> x; mat[i - 1][j - 1] = x; } cout << solve(0, 0, 0) << '\n'; }
#include <bits/stdc++.h> using namespace std; const int M = 3e3; int n, m, mat[M][M]; long long memo[M][M][4]; long long solve(int i, int j, int cnt) { if (i == n || j == m) return 0; long long &r = memo[i][j][cnt]; if (r == -1) { r = max(solve(i + 1, j, 0), solve(i, j + 1, cnt)); if (cnt < 3 && mat[i][j]) r = max(r, mat[i][j] + max(solve(i + 1, j, 0), solve(i, j + 1, cnt + 1))); } return r; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); memset(memo, -1, sizeof memo); int k; cin >> n >> m >> k; while (k--) { int i, j, x; cin >> i >> j >> x; mat[i - 1][j - 1] = x; } cout << solve(0, 0, 0) << '\n'; }
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0
p02586
C++
Runtime Error
#include <algorithm> #include <assert.h> #include <bitset> #include <cctype> #include <cmath> #include <complex> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <utility> #include <vector> #define _overload3(_1, _2, _3, name, ...) name #define _rep(i, n) repi(i, 0, n) #define repi(i, a, b) for (ll i = ll(a); i < ll(b); ++i) #define rep(...) _overload3(__VA_ARGS__, repi, _rep, )(__VA_ARGS__) #define rrep(i, a) for (ll i = ll(a - 1); i >= 0; --i) #define all(x) (x).begin(), (x).end() #define PRINT(V) cout << V << "\n" #define SORT(V) sort((V).begin(), (V).end()) #define RSORT(V) sort((V).rbegin(), (V).rend()) using namespace std; using ll = long long; template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } inline void Yes(bool condition) { if (condition) PRINT("Yes"); else PRINT("No"); } template <class itr> void cins(itr first, itr last) { for (auto i = first; i != last; i++) { cin >> (*i); } } template <class itr> void array_output(itr start, itr goal) { string ans = "", k = " "; for (auto i = start; i != goal; i++) ans += to_string(*i) + k; if (!ans.empty()) ans.pop_back(); PRINT(ans); } ll gcd(ll a, ll b) { return a ? gcd(b % a, a) : b; } const ll INF = 1e15; const ll MOD = 1000000007; const ll MOD2 = 998244353; const ll EPS = 1e-10; int sgn(const double a) { return (a < -EPS ? -1 : (a > EPS ? +1 : 0)); } typedef pair<ll, ll> P; typedef tuple<ll, ll, ll> tri; typedef pair<double, double> point; typedef complex<double> Point; const ll MAX = 30000; constexpr ll nx[8] = {1, 0, -1, 0, 1, -1, 1, -1}; constexpr ll ny[8] = {0, 1, 0, -1, 1, 1, -1, -1}; ll dp[3005][3005][4] = {0}; ll it[3005][3005] = {0}; int main() { cin.tie(0); ios::sync_with_stdio(false); ll r, c, k; cin >> r >> c >> k; rep(i, k) { ll rr, cc, v; cin >> rr >> cc >> v; it[rr][cc] = v; } rep(i, r + 1) { rep(j, c + 1) { rep(s, 4) { if (i < r && it[i + 1][j]) { chmax(dp[i + 1][j][1], dp[i][j][s] + it[i + 1][j]); } chmax(dp[i + 1][j][0], dp[i][j][k]); if (j < c && s < 3 && it[i][j + 1]) { chmax(dp[i][j + 1][s + 1], dp[i][j][s] + it[i][j + 1]); } chmax(dp[i][j + 1][s], dp[i][j][s]); } } } ll ans = 0; rep(i, 4) { chmax(ans, dp[r + 1][c][i]); chmax(ans, dp[r][c + 1][i]); } PRINT(ans); }
#include <algorithm> #include <assert.h> #include <bitset> #include <cctype> #include <cmath> #include <complex> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <utility> #include <vector> #define _overload3(_1, _2, _3, name, ...) name #define _rep(i, n) repi(i, 0, n) #define repi(i, a, b) for (ll i = ll(a); i < ll(b); ++i) #define rep(...) _overload3(__VA_ARGS__, repi, _rep, )(__VA_ARGS__) #define rrep(i, a) for (ll i = ll(a - 1); i >= 0; --i) #define all(x) (x).begin(), (x).end() #define PRINT(V) cout << V << "\n" #define SORT(V) sort((V).begin(), (V).end()) #define RSORT(V) sort((V).rbegin(), (V).rend()) using namespace std; using ll = long long; template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } inline void Yes(bool condition) { if (condition) PRINT("Yes"); else PRINT("No"); } template <class itr> void cins(itr first, itr last) { for (auto i = first; i != last; i++) { cin >> (*i); } } template <class itr> void array_output(itr start, itr goal) { string ans = "", k = " "; for (auto i = start; i != goal; i++) ans += to_string(*i) + k; if (!ans.empty()) ans.pop_back(); PRINT(ans); } ll gcd(ll a, ll b) { return a ? gcd(b % a, a) : b; } const ll INF = 1e15; const ll MOD = 1000000007; const ll MOD2 = 998244353; const ll EPS = 1e-10; int sgn(const double a) { return (a < -EPS ? -1 : (a > EPS ? +1 : 0)); } typedef pair<ll, ll> P; typedef tuple<ll, ll, ll> tri; typedef pair<double, double> point; typedef complex<double> Point; const ll MAX = 30000; constexpr ll nx[8] = {1, 0, -1, 0, 1, -1, 1, -1}; constexpr ll ny[8] = {0, 1, 0, -1, 1, 1, -1, -1}; ll dp[3005][3005][4] = {0}; ll it[3005][3005] = {0}; int main() { cin.tie(0); ios::sync_with_stdio(false); ll r, c, k; cin >> r >> c >> k; rep(i, k) { ll rr, cc, v; cin >> rr >> cc >> v; it[rr][cc] = v; } rep(i, r + 1) { rep(j, c + 1) { rep(s, 4) { if (i < r && it[i + 1][j]) { chmax(dp[i + 1][j][1], dp[i][j][s] + it[i + 1][j]); } chmax(dp[i + 1][j][0], dp[i][j][s]); if (j < c && s < 3 && it[i][j + 1]) { chmax(dp[i][j + 1][s + 1], dp[i][j][s] + it[i][j + 1]); } chmax(dp[i][j + 1][s], dp[i][j][s]); } } } ll ans = 0; rep(i, 4) { chmax(ans, dp[r + 1][c][i]); chmax(ans, dp[r][c + 1][i]); } PRINT(ans); }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n); i >= 0; i--) #define all(v) v.begin(), v.end() typedef long long ll; int main() { ll R, C, K; cin >> R >> C >> K; vector<ll> r(K), c(K), v(K); rep(i, K) cin >> r[i] >> c[i] >> v[i]; vector<vector<ll>> point(R + 2, vector<ll>(C + 2)); rep(i, R + 2) { rep(j, C + 2) { point[i][j] = 0; } } rep(i, K) { point[r[i]][c[i]] = v[i]; } ll dp[R + 2][C + 2][5]; for (ll i = 0; i <= R + 1; i++) { for (ll j = 0; j <= C + 1; j++) { for (ll k = 0; k < 5; k++) { dp[i][j][k] = 0; } } } dp[1][1][1] = point[1][1]; for (ll i = 1; i <= R; i++) { for (ll j = 1; j <= C; j++) { for (ll k = 0; k <= 3; k++) { dp[i][j + 1][k + 1] = max(dp[i][j][k] + point[i][j + 1], max(dp[i][j + 1][k + 1], dp[i][j][k + 1])); dp[i][j + 1][k] = max(dp[i][j][k], dp[i][j + 1][k]); } } for (ll j = 1; j <= C; j++) { for (ll k = 0; k <= 3; k++) { dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); dp[i + 1][j][1] = max(dp[i + 1][j][1], dp[i][j][k] + point[i + 1][j]); } } } ll ans = max(dp[R][C][0], max(dp[R][C][1], max(dp[R][C][2], dp[R][C][3]))); cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n); i >= 0; i--) #define all(v) v.begin(), v.end() typedef long long ll; int main() { ll R, C, K; cin >> R >> C >> K; vector<ll> r(K), c(K), v(K); rep(i, K) cin >> r[i] >> c[i] >> v[i]; vector<vector<ll>> point(R + 2, vector<ll>(C + 2)); rep(i, R + 2) { rep(j, C + 2) { point[i][j] = 0; } } rep(i, K) { point[r[i]][c[i]] = v[i]; } vector<vector<vector<ll>>> dp(R + 2, vector<vector<ll>>(C + 2, vector<ll>(5))); for (ll i = 0; i <= R + 1; i++) { for (ll j = 0; j <= C + 1; j++) { for (ll k = 0; k < 5; k++) { dp[i][j][k] = 0; } } } dp[1][1][1] = point[1][1]; for (ll i = 1; i <= R; i++) { for (ll j = 1; j <= C; j++) { for (ll k = 0; k <= 3; k++) { dp[i][j + 1][k + 1] = max(dp[i][j][k] + point[i][j + 1], max(dp[i][j + 1][k + 1], dp[i][j][k + 1])); dp[i][j + 1][k] = max(dp[i][j][k], dp[i][j + 1][k]); } } for (ll j = 1; j <= C; j++) { for (ll k = 0; k <= 3; k++) { dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); dp[i + 1][j][1] = max(dp[i + 1][j][1], dp[i][j][k] + point[i + 1][j]); } } } ll ans = max(dp[R][C][0], max(dp[R][C][1], max(dp[R][C][2], dp[R][C][3]))); cout << ans << endl; }
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p02586
C++
Runtime Error
#ifndef INCLUDEHEADER_MY_TEMPLATE #define INCLUDEHEADER_MY_TEMPLATE #ifndef _GLIBCXX_NO_ASSERT #include <cassert> #endif #include <cctype> #include <cerrno> #include <cfloat> #include <ciso646> #include <climits> #include <clocale> #include <cmath> #include <csetjmp> #include <csignal> #include <cstdarg> #include <cstddef> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #if __cplusplus >= 201103L #include <ccomplex> #include <cfenv> #include <cinttypes> #include <cstdalign> #include <cstdbool> #include <cstdint> #include <ctgmath> #include <cwchar> #include <cwctype> #endif #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> #if __cplusplus >= 201103L #include <array> #include <atomic> #include <chrono> #include <condition_variable> #include <forward_list> #include <future> #include <initializer_list> #include <mutex> #include <random> #include <ratio> #include <regex> #include <scoped_allocator> #include <system_error> #include <thread> #include <tuple> #include <type_traits> #include <typeindex> #include <unordered_map> #include <unordered_set> #endif #define y0 qvya13579 #define y1 qvyb24680 #define j0 qvja13579 #define j1 qvjb24680 #define next qvne13579xt #define prev qvpr13579ev #define INF 1000000007 #define MOD 1000000007 #define endl "\n" #define PI acos(-1.0) #if __cplusplus < 201103L #define stoi(argument_string) atoi((argument_string).c_str()) #define stoll(argument_string) atoll((argument_string).c_str()) #endif #define REP(i, n) for (int i = 0; i < (int)(n); ++i) #define REP_R(i, n) for (int i = ((int)(n)-1); i >= 0; --i) #define FOR(i, m, n) for (int i = ((int)(m)); i < (int)(n); ++i) #define FOR_R(i, m, n) for (int i = ((int)(m)-1); i >= (int)(n); --i) #define ALL(v) (v).begin(), (v).end() #define RALL(v) (v).rbegin(), (v).rend() #define SIZ(x) ((int)(x).size()) #define CIN(x) cin >> (x) #define CIN2(x, y) cin >> (x) >> (y) #define CIN3(x, y, z) cin >> (x) >> (y) >> (z) #define CIN4(x, y, z, w) cin >> (x) >> (y) >> (z) >> (w) #define CIN5(x, y, z, w, u) cin >> (x) >> (y) >> (z) >> (w) >> (u) #define SCAND(x) scanf("%d", &(x)) #define SCAND2(x, y) scanf("%d%d", &(x), &(y)) #define SCAND3(x, y, z) scanf("%d%d%d", &(x), &(y), &(z)) #define SCAND4(x, y, z, w) scanf("%d%d%d%d", &(x), &(y), &(z), &(w)) #define SCAND5(x, y, z, w, u) scanf("%d%d%d%d%d", &(x), &(y), &(z), &(w), &(u)) #define SCANLLD(x) scanf("%lld", &(x)) #define SCANLLD2(x, y) scanf("%lld%lld", &(x), &(y)) #define SCANLLD3(x, y, z) scanf("%lld%lld%lld", &(x), &(y), &(z)) #define SCANLLD4(x, y, z, w) scanf("%lld%lld%lld%lld", &(x), &(y), &(z), &(w)) #define SCANLLD5(x, y, z, w, u) \ scanf("%lld%lld%lld%lld%lld", &(x), &(y), &(z), &(w), &(u)) #define PRINTD(x) printf("%d\n", (x)) #define PRINTLLD(x) printf("%lld\n", (x)) #define DEBUG(argument) cerr << (#argument) << " : " << (argument) << "\n" typedef long long lli; typedef unsigned long long ulli; using namespace std; #endif // header int ctoi(char c) { if (c >= '0' and c <= '9') { return (int)(c - '0'); } return -1; } int alphabet_pos(char c) { if (c >= 'a' and c <= 'z') { return (int)(c - 'a'); } return -1; } int alphabet_pos_capital(char c) { if (c >= 'A' and c <= 'Z') { return (int)(c - 'A'); } return -1; } vector<string> split(string str, char ch) { int first = 0; int last = str.find_first_of(ch); if (last == ((int)string::npos)) { last = SIZ(str); } vector<string> result; while (first < SIZ(str)) { string Ssubstr(str, first, last - first); result.push_back(Ssubstr); first = last + 1; last = str.find_first_of(ch, first); if (last == ((int)string::npos)) { last = SIZ(str); } } return result; } int gcd(int a, int b) // assuming a,b >= 1 { if (a < b) { swap(a, b); } if (b == 0) { return a; } if (a % b == 0) { return b; } return gcd(b, a % b); } long long gcd(long long a, long long b) // assuming a,b >= 1 { if (a < b) { swap(a, b); } if (b == 0LL) { return a; } if (a % b == 0) { return b; } return gcd(b, a % b); } int lcm(int a, int b) // assuming a,b >= 1 { return a * b / gcd(a, b); } long long lcm(long long a, long long b) // assuming a,b >= 1 { return a * b / gcd(a, b); } long long pow_fast(long long x, long long n_power, long long modulus) { if (n_power == 0) { return 1; } if (n_power % 2 == 0) { return pow_fast(x * x % modulus, n_power / 2, modulus); } return x * pow_fast(x, n_power - 1, modulus) % modulus; } struct CombinationTable { vector<vector<long long>> val; CombinationTable(int size) : val(size + 1, vector<long long>(size + 1)) // constructor { for (int i = 0; i <= size; ++i) // note that 0 <= i <= size { for (int j = 0; j <= i; ++j) { if (j == 0 or j == i) { val[i][j] = 1LL; } else { val[i][j] = val[i - 1][j - 1] + val[i - 1][j]; } } } } }; void print_vector(vector<int> h, bool verbose = true) { int L = h.size(); for (int i = 0; i < L; ++i) { if (verbose) { printf("%d", h[i]); } else { cerr << h[i]; } if (i != L - 1) { if (verbose) { printf(" "); } else { cerr << " "; } } else { if (verbose) { printf("\n"); } else { cerr << "\n"; } } } } void print_vector(vector<long long> h, bool verbose = true) { int L = h.size(); for (int i = 0; i < L; ++i) { if (verbose) { printf("%lld", h[i]); } else { cerr << h[i]; } if (i != L - 1) { if (verbose) { printf(" "); } else { cerr << " "; } } else { if (verbose) { printf("\n"); } else { cerr << "\n"; } } } } void print_matrix2D(vector<vector<int>> h, bool verbose = true) { int Ly = h.size(); for (int i = 0; i < Ly; ++i) { int Lx = h[i].size(); for (int j = 0; j < Lx; ++j) { if (verbose) { printf("%d", h[i][j]); } else { cerr << h[i][j]; } if (j != Lx - 1) { if (verbose) { printf(" "); } else { cerr << " "; } } else { if (verbose) { printf("\n"); } else { cerr << "\n"; } } } } } void print_matrix2D(vector<vector<long long>> h, bool verbose = true) { int Ly = h.size(); for (int i = 0; i < Ly; ++i) { int Lx = h[i].size(); for (int j = 0; j < Lx; ++j) { if (verbose) { printf("%lld", h[i][j]); } else { cerr << h[i][j]; } if (j != Lx - 1) { if (verbose) { printf(" "); } else { cerr << " "; } } else { if (verbose) { printf("\n"); } else { cerr << "\n"; } } } } } void print_matrix2D(vector<string> h, bool verbose = true) { int Ly = h.size(); for (int i = 0; i < Ly; ++i) { int Lx = h[i].size(); for (int j = 0; j < Lx; ++j) { if (verbose) { printf("%c", h[i][j]); } else { cerr << h[i][j]; } } if (verbose) { printf("\n"); } else { cerr << "\n"; } } } void print_binary(int val, int num_digit = 31, bool verbose = false) { for (int k = num_digit - 1; k >= 0; --k) { if (verbose) { printf("%d", (val >> k) & 1); } else { cerr << ((val >> k) & 1); } } if (verbose) { printf("\n"); } else { cerr << "\n"; } } void print_binary(long long val, int num_digit = 63, bool verbose = false) { for (int k = num_digit - 1; k >= 0; --k) { if (verbose) { printf("%lld", ((val >> k) & 1)); } else { cerr << ((val >> k) & 1); } } if (verbose) { printf("\n"); } else { cerr << "\n"; } } void print_all() { cout << endl; } void print_all_nobreak() { return; } template <class Head, class... Tail> void print_all_nobreak(Head head, Tail... tail) { cout << head; if (sizeof...(tail) != 0) { cout << " "; } print_all_nobreak(forward<Tail>(tail)...); } template <class Head, class... Tail> void print_all(Head head, Tail... tail) { cout << head; if (sizeof...(tail) != 0) { cout << " "; } print_all(forward<Tail>(tail)...); } template <class T> void print_all_nobreak(vector<T> vec) { cout << "["; for (int i = 0; i < vec.size(); i++) { cout << vec[i]; if (i != ((int)vec.size() - 1)) { cout << ", "; } } cout << "]"; } template <class T> void print_all(vector<T> vec) { cout << "["; for (int i = 0; i < vec.size(); i++) { cout << vec[i]; if (i != ((int)vec.size() - 1)) { cout << ", "; } } cout << "]"; cout << endl; } template <class T> void print_all(vector<vector<T>> df) { cout << "["; for (int i = 0; i < df.size(); i++) { print_all_nobreak(df[i]); if (i != ((int)df.size() - 1)) { cout << ", "; } } cout << "]"; cout << endl; } template <class T> void print_all_nobreak(vector<vector<T>> df) { cout << "["; for (int i = 0; i < df.size(); i++) { print_all_nobreak(df[i]); if (i != ((int)df.size() - 1)) { cout << ", "; } } cout << "]"; } template <class T1, class T2> void print_all_nobreak(pair<T1, T2> p) { cout << "("; print_all_nobreak(p.first); cout << ", "; print_all_nobreak(p.second); cout << ")"; } template <class T1, class T2> void print_all(pair<T1, T2> p) { cout << "("; print_all_nobreak(p.first); cout << ", "; print_all_nobreak(p.second); cout << ")"; cout << endl; } struct UnionFind // size-based { vector<int> parent, treesize; UnionFind(int size) : parent(size), treesize(size, 1) // constructor { for (int i = 0; i < size; ++i) { parent[i] = i; } } int root(int x) { if (parent[x] == x) { return x; } return parent[x] = root(parent[x]); } void unite(int x, int y) { x = root(x); y = root(y); if (x == y) { return; } if (treesize[x] < treesize[y]) { parent[x] = y; treesize[y] += treesize[x]; } else { parent[y] = x; treesize[x] += treesize[y]; } } bool sametree(int x, int y) { return root(x) == root(y); } int gettreesize(int x) { return treesize[root(x)]; } }; template <typename Type_value> struct SegmentTree // Range Minimum Query (RMQ) { private: int n; vector<Type_value> node; Type_value identity_element_segmenttree; public: SegmentTree(vector<Type_value> v, Type_value identity_element_st) // constructor { int sz = v.size(); identity_element_segmenttree = identity_element_st; n = 1; while (n < sz) { n <<= 1; } node.resize(2 * n - 1, identity_element_segmenttree); for (int i = 0; i < sz; ++i) { node[i + n - 1] = v[i]; } for (int i = n - 2; i >= 0; --i) { node[i] = min(node[2 * i + 1], node[2 * i + 2]); } } void update(int x, Type_value val) { x += (n - 1); node[x] = val; while (x > 0) { x = (x - 1) / 2; node[x] = min(node[2 * x + 1], node[2 * x + 2]); } } Type_value getmin(int a, int b, int k = 0, int l = 0, int r = -1) // getting minimum value in [a,b) { // k : index of the referred node // [l,r) : range covered by the k-th node if (r < 0) { r = n; } if (r <= a or b <= l) { return identity_element_segmenttree; } if (a <= l and r <= b) { return node[k]; } Type_value vl = getmin(a, b, 2 * k + 1, l, (l + r) / 2); Type_value vr = getmin(a, b, 2 * k + 2, (l + r) / 2, r); return min(vl, vr); } }; template <typename Type_value> struct BinaryIndexedTree // Range Sum Query (RSQ), 0-indexed { private: int size_; vector<Type_value> data; public: BinaryIndexedTree(int sz, Type_value identity_element_binaryindexedtree = 0.0) // constructor { size_ = sz; data.resize(sz + 1, identity_element_binaryindexedtree); } Type_value sum(int i) // sum within [0,i) { if (i <= 0) { return (Type_value)0.0; } if (i > size_) { i = size_; } Type_value sm = 0.0; while (i > 0) { sm += data[i]; i -= i & -i; } return sm; } void add(int i, Type_value x) { if (i < 0 or i >= size_) { return; } ++i; while (i <= size_) { data[i] += x; i += i & -i; } } }; struct RollingHash { /* 10 primes near 1e9(for other mod(s)): { 1000000007, 1000000009, 1000000021, 1000000033, 1000000087, 1000000093, 1000000097, 1000000103, 1000000123, 1000000181 } 10 primes near 1e5(for other base(s)): {100003, 100019, 100043, 100049, 100057, 100069, 100103, 100109, 100129, 100151} */ private: vector<unsigned long long> hash; vector<unsigned long long> base_pow; unsigned long long base, modulus; const unsigned long long MODULUS_DEFAULT = (1ULL << 61) - 1; const unsigned long long MASK30 = (1ULL << 30) - 1; const unsigned long long MASK31 = (1ULL << 31) - 1; const unsigned long long BASE_MIN = 1e7; unsigned long long Modulus_2pow61m1(unsigned long long val) { val = (val & MODULUS_DEFAULT) + (val >> 61); if (MODULUS_DEFAULT < val) { val -= MODULUS_DEFAULT; } return val; } unsigned long long Multiple_2pow61m1(unsigned long long a, unsigned long long b) { unsigned long long au = a >> 31; unsigned long long ad = a & MASK31; unsigned long long bu = b >> 31; unsigned long long bd = b & MASK31; unsigned long long mid = ad * bu + au * bd; unsigned long long midu = mid >> 30; unsigned long long midd = mid & MASK30; return Modulus_2pow61m1(((au * bu) << 1) + midu + (midd << 31) + ad * bd); } void initialize(string &S) { int N = S.size(); vector<int> s(N); for (int i = 0; i < N; ++i) { s[i] = S[i]; } initialize(s); } void initialize(vector<int> &S) { hash.resize(S.size() + 1); base_pow.resize(S.size() + 1); hash[0] = 0; base_pow[0] = 1; if (modulus == MODULUS_DEFAULT) { for (int i = 1; i <= ((int)S.size()); ++i) { hash[i] = Modulus_2pow61m1(Multiple_2pow61m1(hash[i - 1], base) + S[i - 1]); base_pow[i] = Multiple_2pow61m1(base_pow[i - 1], base); } } else { for (int i = 1; i <= ((int)S.size()); ++i) { hash[i] = (hash[i - 1] * base + S[i - 1]) % modulus; base_pow[i] = (base_pow[i - 1] * base) % modulus; } } } public: RollingHash(string S = "", unsigned long long base_ = 0, unsigned long long modulus_ = 0) { if (0 < modulus_) { modulus = modulus_; } else { modulus = MODULUS_DEFAULT; } if (0 < base_) { base = base_; } else { mt19937_64 mt64(static_cast<unsigned int>(time(nullptr))); uniform_int_distribution<unsigned long long> rand_uniform( BASE_MIN, modulus - BASE_MIN); base = rand_uniform(mt64); } if (S.size() > 0) { initialize(S); } } // 0-indexed, [a, b) unsigned long long between(int a, int b) { if (modulus == MODULUS_DEFAULT) { return Modulus_2pow61m1(modulus + hash[b] - Multiple_2pow61m1(hash[a], base_pow[b - a])); } return (modulus + hash[b] - (hash[a] * base_pow[b - a]) % modulus) % modulus; } }; struct TrieTree { private: char chara_origin; int numtypes_ch; struct TrieNode { public: TrieNode **children; bool isLeaf; }; TrieNode *newNode() { TrieNode *pNode = new TrieNode; pNode->children = new TrieNode *[numtypes_ch]; pNode->isLeaf = false; for (int i = 0; i < numtypes_ch; i++) { pNode->children[i] = nullptr; } return pNode; } TrieNode *treeroot; public: TrieTree(int number_of_types_of_character = 26, char character_origin = 'a') { numtypes_ch = number_of_types_of_character; chara_origin = character_origin; treeroot = newNode(); } void insert(string key) { TrieNode *pCrawl = treeroot; for (int i = 0; i < ((int)key.size()); i++) { int index = key[i] - chara_origin; if (pCrawl->children[index] == nullptr) { pCrawl->children[index] = newNode(); } pCrawl = pCrawl->children[index]; } // mark last node as leaf pCrawl->isLeaf = true; } bool search(string key) { TrieNode *pCrawl = treeroot; for (int i = 0; i < ((int)key.size()); i++) { int index = key[i] - chara_origin; if (pCrawl->children[index] == nullptr) { return false; } pCrawl = pCrawl->children[index]; } return (pCrawl != nullptr and pCrawl->isLeaf); } }; /*------------------ the end of the template -----------------------*/ // global variables lli dp[3000][3000][4]; int vals[3000][3000]; int H; int W; int K; vector<int> r, c, v; lli expected; void give_inputs(int state_debug) { if (state_debug == 0) { // standard I/O cin.tie(0); ios::sync_with_stdio(false); /* making cin faster */ SCAND3(H, W, K); REP(i, K) { SCAND3(r[i], c[i], v[i]); r[i]--; c[i]--; } } else if (state_debug == 1) { // testcase 1 H = 2; W = 2; K = 3; r = {0, 1, 0}; c = {0, 0, 1}; v = {3, 4, 5}; expected = 8; } else if (state_debug == 2) { // testcase 2 H = 2; W = 5; K = 5; r = {0, 1, 0, 0, 0}; c = {0, 3, 1, 2, 3}; v = {3, 20, 1, 4, 2}; expected = 29; } else if (state_debug == 3) { // testcase 3 H = 4; W = 5; K = 10; r = {1, 0, 1, 0, 0, 1, 2, 3, 2, 0}; c = {4, 4, 2, 1, 0, 3, 1, 4, 4, 2}; v = {12, 12, 15, 20, 28, 26, 27, 21, 10, 10}; expected = 142; } } lli solve() // ここに処理を書く。型はansに合わせる。 { REP(i, 3000) { REP(j, 3000) { REP(k, 4) { dp[i][j][k] = 0; } vals[i][j] = 0; } } REP(i, K) { vals[r[i]][c[i]] = v[i]; } REP(s, H + W - 1) { REP(i, H) { int j = s - i; if (not(0 <= j and j < W)) { continue; } REP(k, 4) { if (0 < j) { dp[i][j][k] = max(dp[i][j][k], dp[i][j - 1][k]); } if (0 < i) { dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][k]); } } REP_R(k, 4) { if (0 < k) { dp[i][j][k] = max(dp[i][j][k], dp[i][j][k - 1] + vals[i][j]); } } } } lli ans = 0; REP(k, 4) { ans = max(ans, dp[H - 1][W - 1][k]); } return ans; } signed main(signed argc, char *argv[]) { if (argc == 1) { give_inputs(0); } else { give_inputs(stoi(string(argv[1]))); } auto ans = solve(); /* print here!!! */ PRINTLLD(ans); // confirm expected == ans if (argc != 1 and 0 < stoi(string(argv[1])) and expected != ans) { puts("[WA]"); puts("expected: "); print_all(expected); puts("found: "); print_all(ans); } }
#ifndef INCLUDEHEADER_MY_TEMPLATE #define INCLUDEHEADER_MY_TEMPLATE #ifndef _GLIBCXX_NO_ASSERT #include <cassert> #endif #include <cctype> #include <cerrno> #include <cfloat> #include <ciso646> #include <climits> #include <clocale> #include <cmath> #include <csetjmp> #include <csignal> #include <cstdarg> #include <cstddef> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #if __cplusplus >= 201103L #include <ccomplex> #include <cfenv> #include <cinttypes> #include <cstdalign> #include <cstdbool> #include <cstdint> #include <ctgmath> #include <cwchar> #include <cwctype> #endif #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> #if __cplusplus >= 201103L #include <array> #include <atomic> #include <chrono> #include <condition_variable> #include <forward_list> #include <future> #include <initializer_list> #include <mutex> #include <random> #include <ratio> #include <regex> #include <scoped_allocator> #include <system_error> #include <thread> #include <tuple> #include <type_traits> #include <typeindex> #include <unordered_map> #include <unordered_set> #endif #define y0 qvya13579 #define y1 qvyb24680 #define j0 qvja13579 #define j1 qvjb24680 #define next qvne13579xt #define prev qvpr13579ev #define INF 1000000007 #define MOD 1000000007 #define endl "\n" #define PI acos(-1.0) #if __cplusplus < 201103L #define stoi(argument_string) atoi((argument_string).c_str()) #define stoll(argument_string) atoll((argument_string).c_str()) #endif #define REP(i, n) for (int i = 0; i < (int)(n); ++i) #define REP_R(i, n) for (int i = ((int)(n)-1); i >= 0; --i) #define FOR(i, m, n) for (int i = ((int)(m)); i < (int)(n); ++i) #define FOR_R(i, m, n) for (int i = ((int)(m)-1); i >= (int)(n); --i) #define ALL(v) (v).begin(), (v).end() #define RALL(v) (v).rbegin(), (v).rend() #define SIZ(x) ((int)(x).size()) #define CIN(x) cin >> (x) #define CIN2(x, y) cin >> (x) >> (y) #define CIN3(x, y, z) cin >> (x) >> (y) >> (z) #define CIN4(x, y, z, w) cin >> (x) >> (y) >> (z) >> (w) #define CIN5(x, y, z, w, u) cin >> (x) >> (y) >> (z) >> (w) >> (u) #define SCAND(x) scanf("%d", &(x)) #define SCAND2(x, y) scanf("%d%d", &(x), &(y)) #define SCAND3(x, y, z) scanf("%d%d%d", &(x), &(y), &(z)) #define SCAND4(x, y, z, w) scanf("%d%d%d%d", &(x), &(y), &(z), &(w)) #define SCAND5(x, y, z, w, u) scanf("%d%d%d%d%d", &(x), &(y), &(z), &(w), &(u)) #define SCANLLD(x) scanf("%lld", &(x)) #define SCANLLD2(x, y) scanf("%lld%lld", &(x), &(y)) #define SCANLLD3(x, y, z) scanf("%lld%lld%lld", &(x), &(y), &(z)) #define SCANLLD4(x, y, z, w) scanf("%lld%lld%lld%lld", &(x), &(y), &(z), &(w)) #define SCANLLD5(x, y, z, w, u) \ scanf("%lld%lld%lld%lld%lld", &(x), &(y), &(z), &(w), &(u)) #define PRINTD(x) printf("%d\n", (x)) #define PRINTLLD(x) printf("%lld\n", (x)) #define DEBUG(argument) cerr << (#argument) << " : " << (argument) << "\n" typedef long long lli; typedef unsigned long long ulli; using namespace std; #endif // header int ctoi(char c) { if (c >= '0' and c <= '9') { return (int)(c - '0'); } return -1; } int alphabet_pos(char c) { if (c >= 'a' and c <= 'z') { return (int)(c - 'a'); } return -1; } int alphabet_pos_capital(char c) { if (c >= 'A' and c <= 'Z') { return (int)(c - 'A'); } return -1; } vector<string> split(string str, char ch) { int first = 0; int last = str.find_first_of(ch); if (last == ((int)string::npos)) { last = SIZ(str); } vector<string> result; while (first < SIZ(str)) { string Ssubstr(str, first, last - first); result.push_back(Ssubstr); first = last + 1; last = str.find_first_of(ch, first); if (last == ((int)string::npos)) { last = SIZ(str); } } return result; } int gcd(int a, int b) // assuming a,b >= 1 { if (a < b) { swap(a, b); } if (b == 0) { return a; } if (a % b == 0) { return b; } return gcd(b, a % b); } long long gcd(long long a, long long b) // assuming a,b >= 1 { if (a < b) { swap(a, b); } if (b == 0LL) { return a; } if (a % b == 0) { return b; } return gcd(b, a % b); } int lcm(int a, int b) // assuming a,b >= 1 { return a * b / gcd(a, b); } long long lcm(long long a, long long b) // assuming a,b >= 1 { return a * b / gcd(a, b); } long long pow_fast(long long x, long long n_power, long long modulus) { if (n_power == 0) { return 1; } if (n_power % 2 == 0) { return pow_fast(x * x % modulus, n_power / 2, modulus); } return x * pow_fast(x, n_power - 1, modulus) % modulus; } struct CombinationTable { vector<vector<long long>> val; CombinationTable(int size) : val(size + 1, vector<long long>(size + 1)) // constructor { for (int i = 0; i <= size; ++i) // note that 0 <= i <= size { for (int j = 0; j <= i; ++j) { if (j == 0 or j == i) { val[i][j] = 1LL; } else { val[i][j] = val[i - 1][j - 1] + val[i - 1][j]; } } } } }; void print_vector(vector<int> h, bool verbose = true) { int L = h.size(); for (int i = 0; i < L; ++i) { if (verbose) { printf("%d", h[i]); } else { cerr << h[i]; } if (i != L - 1) { if (verbose) { printf(" "); } else { cerr << " "; } } else { if (verbose) { printf("\n"); } else { cerr << "\n"; } } } } void print_vector(vector<long long> h, bool verbose = true) { int L = h.size(); for (int i = 0; i < L; ++i) { if (verbose) { printf("%lld", h[i]); } else { cerr << h[i]; } if (i != L - 1) { if (verbose) { printf(" "); } else { cerr << " "; } } else { if (verbose) { printf("\n"); } else { cerr << "\n"; } } } } void print_matrix2D(vector<vector<int>> h, bool verbose = true) { int Ly = h.size(); for (int i = 0; i < Ly; ++i) { int Lx = h[i].size(); for (int j = 0; j < Lx; ++j) { if (verbose) { printf("%d", h[i][j]); } else { cerr << h[i][j]; } if (j != Lx - 1) { if (verbose) { printf(" "); } else { cerr << " "; } } else { if (verbose) { printf("\n"); } else { cerr << "\n"; } } } } } void print_matrix2D(vector<vector<long long>> h, bool verbose = true) { int Ly = h.size(); for (int i = 0; i < Ly; ++i) { int Lx = h[i].size(); for (int j = 0; j < Lx; ++j) { if (verbose) { printf("%lld", h[i][j]); } else { cerr << h[i][j]; } if (j != Lx - 1) { if (verbose) { printf(" "); } else { cerr << " "; } } else { if (verbose) { printf("\n"); } else { cerr << "\n"; } } } } } void print_matrix2D(vector<string> h, bool verbose = true) { int Ly = h.size(); for (int i = 0; i < Ly; ++i) { int Lx = h[i].size(); for (int j = 0; j < Lx; ++j) { if (verbose) { printf("%c", h[i][j]); } else { cerr << h[i][j]; } } if (verbose) { printf("\n"); } else { cerr << "\n"; } } } void print_binary(int val, int num_digit = 31, bool verbose = false) { for (int k = num_digit - 1; k >= 0; --k) { if (verbose) { printf("%d", (val >> k) & 1); } else { cerr << ((val >> k) & 1); } } if (verbose) { printf("\n"); } else { cerr << "\n"; } } void print_binary(long long val, int num_digit = 63, bool verbose = false) { for (int k = num_digit - 1; k >= 0; --k) { if (verbose) { printf("%lld", ((val >> k) & 1)); } else { cerr << ((val >> k) & 1); } } if (verbose) { printf("\n"); } else { cerr << "\n"; } } void print_all() { cout << endl; } void print_all_nobreak() { return; } template <class Head, class... Tail> void print_all_nobreak(Head head, Tail... tail) { cout << head; if (sizeof...(tail) != 0) { cout << " "; } print_all_nobreak(forward<Tail>(tail)...); } template <class Head, class... Tail> void print_all(Head head, Tail... tail) { cout << head; if (sizeof...(tail) != 0) { cout << " "; } print_all(forward<Tail>(tail)...); } template <class T> void print_all_nobreak(vector<T> vec) { cout << "["; for (int i = 0; i < vec.size(); i++) { cout << vec[i]; if (i != ((int)vec.size() - 1)) { cout << ", "; } } cout << "]"; } template <class T> void print_all(vector<T> vec) { cout << "["; for (int i = 0; i < vec.size(); i++) { cout << vec[i]; if (i != ((int)vec.size() - 1)) { cout << ", "; } } cout << "]"; cout << endl; } template <class T> void print_all(vector<vector<T>> df) { cout << "["; for (int i = 0; i < df.size(); i++) { print_all_nobreak(df[i]); if (i != ((int)df.size() - 1)) { cout << ", "; } } cout << "]"; cout << endl; } template <class T> void print_all_nobreak(vector<vector<T>> df) { cout << "["; for (int i = 0; i < df.size(); i++) { print_all_nobreak(df[i]); if (i != ((int)df.size() - 1)) { cout << ", "; } } cout << "]"; } template <class T1, class T2> void print_all_nobreak(pair<T1, T2> p) { cout << "("; print_all_nobreak(p.first); cout << ", "; print_all_nobreak(p.second); cout << ")"; } template <class T1, class T2> void print_all(pair<T1, T2> p) { cout << "("; print_all_nobreak(p.first); cout << ", "; print_all_nobreak(p.second); cout << ")"; cout << endl; } struct UnionFind // size-based { vector<int> parent, treesize; UnionFind(int size) : parent(size), treesize(size, 1) // constructor { for (int i = 0; i < size; ++i) { parent[i] = i; } } int root(int x) { if (parent[x] == x) { return x; } return parent[x] = root(parent[x]); } void unite(int x, int y) { x = root(x); y = root(y); if (x == y) { return; } if (treesize[x] < treesize[y]) { parent[x] = y; treesize[y] += treesize[x]; } else { parent[y] = x; treesize[x] += treesize[y]; } } bool sametree(int x, int y) { return root(x) == root(y); } int gettreesize(int x) { return treesize[root(x)]; } }; template <typename Type_value> struct SegmentTree // Range Minimum Query (RMQ) { private: int n; vector<Type_value> node; Type_value identity_element_segmenttree; public: SegmentTree(vector<Type_value> v, Type_value identity_element_st) // constructor { int sz = v.size(); identity_element_segmenttree = identity_element_st; n = 1; while (n < sz) { n <<= 1; } node.resize(2 * n - 1, identity_element_segmenttree); for (int i = 0; i < sz; ++i) { node[i + n - 1] = v[i]; } for (int i = n - 2; i >= 0; --i) { node[i] = min(node[2 * i + 1], node[2 * i + 2]); } } void update(int x, Type_value val) { x += (n - 1); node[x] = val; while (x > 0) { x = (x - 1) / 2; node[x] = min(node[2 * x + 1], node[2 * x + 2]); } } Type_value getmin(int a, int b, int k = 0, int l = 0, int r = -1) // getting minimum value in [a,b) { // k : index of the referred node // [l,r) : range covered by the k-th node if (r < 0) { r = n; } if (r <= a or b <= l) { return identity_element_segmenttree; } if (a <= l and r <= b) { return node[k]; } Type_value vl = getmin(a, b, 2 * k + 1, l, (l + r) / 2); Type_value vr = getmin(a, b, 2 * k + 2, (l + r) / 2, r); return min(vl, vr); } }; template <typename Type_value> struct BinaryIndexedTree // Range Sum Query (RSQ), 0-indexed { private: int size_; vector<Type_value> data; public: BinaryIndexedTree(int sz, Type_value identity_element_binaryindexedtree = 0.0) // constructor { size_ = sz; data.resize(sz + 1, identity_element_binaryindexedtree); } Type_value sum(int i) // sum within [0,i) { if (i <= 0) { return (Type_value)0.0; } if (i > size_) { i = size_; } Type_value sm = 0.0; while (i > 0) { sm += data[i]; i -= i & -i; } return sm; } void add(int i, Type_value x) { if (i < 0 or i >= size_) { return; } ++i; while (i <= size_) { data[i] += x; i += i & -i; } } }; struct RollingHash { /* 10 primes near 1e9(for other mod(s)): { 1000000007, 1000000009, 1000000021, 1000000033, 1000000087, 1000000093, 1000000097, 1000000103, 1000000123, 1000000181 } 10 primes near 1e5(for other base(s)): {100003, 100019, 100043, 100049, 100057, 100069, 100103, 100109, 100129, 100151} */ private: vector<unsigned long long> hash; vector<unsigned long long> base_pow; unsigned long long base, modulus; const unsigned long long MODULUS_DEFAULT = (1ULL << 61) - 1; const unsigned long long MASK30 = (1ULL << 30) - 1; const unsigned long long MASK31 = (1ULL << 31) - 1; const unsigned long long BASE_MIN = 1e7; unsigned long long Modulus_2pow61m1(unsigned long long val) { val = (val & MODULUS_DEFAULT) + (val >> 61); if (MODULUS_DEFAULT < val) { val -= MODULUS_DEFAULT; } return val; } unsigned long long Multiple_2pow61m1(unsigned long long a, unsigned long long b) { unsigned long long au = a >> 31; unsigned long long ad = a & MASK31; unsigned long long bu = b >> 31; unsigned long long bd = b & MASK31; unsigned long long mid = ad * bu + au * bd; unsigned long long midu = mid >> 30; unsigned long long midd = mid & MASK30; return Modulus_2pow61m1(((au * bu) << 1) + midu + (midd << 31) + ad * bd); } void initialize(string &S) { int N = S.size(); vector<int> s(N); for (int i = 0; i < N; ++i) { s[i] = S[i]; } initialize(s); } void initialize(vector<int> &S) { hash.resize(S.size() + 1); base_pow.resize(S.size() + 1); hash[0] = 0; base_pow[0] = 1; if (modulus == MODULUS_DEFAULT) { for (int i = 1; i <= ((int)S.size()); ++i) { hash[i] = Modulus_2pow61m1(Multiple_2pow61m1(hash[i - 1], base) + S[i - 1]); base_pow[i] = Multiple_2pow61m1(base_pow[i - 1], base); } } else { for (int i = 1; i <= ((int)S.size()); ++i) { hash[i] = (hash[i - 1] * base + S[i - 1]) % modulus; base_pow[i] = (base_pow[i - 1] * base) % modulus; } } } public: RollingHash(string S = "", unsigned long long base_ = 0, unsigned long long modulus_ = 0) { if (0 < modulus_) { modulus = modulus_; } else { modulus = MODULUS_DEFAULT; } if (0 < base_) { base = base_; } else { mt19937_64 mt64(static_cast<unsigned int>(time(nullptr))); uniform_int_distribution<unsigned long long> rand_uniform( BASE_MIN, modulus - BASE_MIN); base = rand_uniform(mt64); } if (S.size() > 0) { initialize(S); } } // 0-indexed, [a, b) unsigned long long between(int a, int b) { if (modulus == MODULUS_DEFAULT) { return Modulus_2pow61m1(modulus + hash[b] - Multiple_2pow61m1(hash[a], base_pow[b - a])); } return (modulus + hash[b] - (hash[a] * base_pow[b - a]) % modulus) % modulus; } }; struct TrieTree { private: char chara_origin; int numtypes_ch; struct TrieNode { public: TrieNode **children; bool isLeaf; }; TrieNode *newNode() { TrieNode *pNode = new TrieNode; pNode->children = new TrieNode *[numtypes_ch]; pNode->isLeaf = false; for (int i = 0; i < numtypes_ch; i++) { pNode->children[i] = nullptr; } return pNode; } TrieNode *treeroot; public: TrieTree(int number_of_types_of_character = 26, char character_origin = 'a') { numtypes_ch = number_of_types_of_character; chara_origin = character_origin; treeroot = newNode(); } void insert(string key) { TrieNode *pCrawl = treeroot; for (int i = 0; i < ((int)key.size()); i++) { int index = key[i] - chara_origin; if (pCrawl->children[index] == nullptr) { pCrawl->children[index] = newNode(); } pCrawl = pCrawl->children[index]; } // mark last node as leaf pCrawl->isLeaf = true; } bool search(string key) { TrieNode *pCrawl = treeroot; for (int i = 0; i < ((int)key.size()); i++) { int index = key[i] - chara_origin; if (pCrawl->children[index] == nullptr) { return false; } pCrawl = pCrawl->children[index]; } return (pCrawl != nullptr and pCrawl->isLeaf); } }; /*------------------ the end of the template -----------------------*/ // global variables lli dp[3000][3000][4]; int vals[3000][3000]; int H; int W; int K; vector<int> r, c, v; lli expected; void give_inputs(int state_debug) { if (state_debug == 0) { // standard I/O cin.tie(0); ios::sync_with_stdio(false); /* making cin faster */ SCAND3(H, W, K); r.resize(K); c.resize(K); v.resize(K); REP(i, K) { SCAND3(r[i], c[i], v[i]); r[i]--; c[i]--; } } else if (state_debug == 1) { // testcase 1 H = 2; W = 2; K = 3; r = {0, 1, 0}; c = {0, 0, 1}; v = {3, 4, 5}; expected = 8; } else if (state_debug == 2) { // testcase 2 H = 2; W = 5; K = 5; r = {0, 1, 0, 0, 0}; c = {0, 3, 1, 2, 3}; v = {3, 20, 1, 4, 2}; expected = 29; } else if (state_debug == 3) { // testcase 3 H = 4; W = 5; K = 10; r = {1, 0, 1, 0, 0, 1, 2, 3, 2, 0}; c = {4, 4, 2, 1, 0, 3, 1, 4, 4, 2}; v = {12, 12, 15, 20, 28, 26, 27, 21, 10, 10}; expected = 142; } } lli solve() // ここに処理を書く。型はansに合わせる。 { REP(i, 3000) { REP(j, 3000) { REP(k, 4) { dp[i][j][k] = 0; } vals[i][j] = 0; } } REP(i, K) { vals[r[i]][c[i]] = v[i]; } REP(s, H + W - 1) { REP(i, H) { int j = s - i; if (not(0 <= j and j < W)) { continue; } REP(k, 4) { if (0 < j) { dp[i][j][k] = max(dp[i][j][k], dp[i][j - 1][k]); } if (0 < i) { dp[i][j][0] = max(dp[i][j][0], dp[i - 1][j][k]); } } REP_R(k, 4) { if (0 < k) { dp[i][j][k] = max(dp[i][j][k], dp[i][j][k - 1] + vals[i][j]); } } } } lli ans = 0; REP(k, 4) { ans = max(ans, dp[H - 1][W - 1][k]); } return ans; } signed main(signed argc, char *argv[]) { if (argc == 1) { give_inputs(0); } else { give_inputs(stoi(string(argv[1]))); } auto ans = solve(); /* print here!!! */ PRINTLLD(ans); // confirm expected == ans if (argc != 1 and 0 < stoi(string(argv[1])) and expected != ans) { puts("[WA]"); puts("expected: "); print_all(expected); puts("found: "); print_all(ans); } }
insert
870
870
870
873
-11
p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; // #define ll long long template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define rep(i, n) REP(i, 0, n) #define rep_rev(i, n) for (int(i) = (int)(n)-1; (i) >= 0; --(i)) #define ALL(v) v.begin(), v.end() #define MSG(a) cout << #a << " " << a << endl; #define REP(i, x, n) for (int i = x; i < n; i++) #define all(x) (x).begin(), (x).end() ll t1, t2, t3; const ll mod = 998244353; const int INF = 1e9; const ll INFLONG = 1e18; int main() { ll r, c, k; cin >> r >> c >> k; vector<vector<ll>> arr(r, vector<ll>(c)); vector<vector<vector<ll>>> dp(r + 1, vector<vector<ll>>(c + 1, vector<ll>(4, 0))); rep(i, k) { cin >> t1 >> t2 >> t3; t1--, t2--; arr[t1][t2] = t3; } rep(i, r) { rep(j, c) { rep(p, 4) { chmax(dp[i + 1][j + 1][0], dp[i][j + 1][p]); chmax(dp[i + 1][j + 1][p], dp[i + 1][j][p]); if (p < 3) { chmax(dp[i + 1][j + 1][p + 1], dp[i + 1][j][p] + arr[i][j]); } chmax(dp[i + 1][j + 1][1], dp[i][j + 1][p] + arr[i][j]); } } } ll ans = 0; rep(p, 4) { chmax(ans, dp[r][c][p]); } rep(i, 4) { cout << dp[1][4][i] << endl; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; // #define ll long long template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define rep(i, n) REP(i, 0, n) #define rep_rev(i, n) for (int(i) = (int)(n)-1; (i) >= 0; --(i)) #define ALL(v) v.begin(), v.end() #define MSG(a) cout << #a << " " << a << endl; #define REP(i, x, n) for (int i = x; i < n; i++) #define all(x) (x).begin(), (x).end() ll t1, t2, t3; const ll mod = 998244353; const int INF = 1e9; const ll INFLONG = 1e18; int main() { ll r, c, k; cin >> r >> c >> k; vector<vector<ll>> arr(r, vector<ll>(c)); vector<vector<vector<ll>>> dp(r + 1, vector<vector<ll>>(c + 1, vector<ll>(4, 0))); rep(i, k) { cin >> t1 >> t2 >> t3; t1--, t2--; arr[t1][t2] = t3; } rep(i, r) { rep(j, c) { rep(p, 4) { chmax(dp[i + 1][j + 1][0], dp[i][j + 1][p]); chmax(dp[i + 1][j + 1][p], dp[i + 1][j][p]); if (p < 3) { chmax(dp[i + 1][j + 1][p + 1], dp[i + 1][j][p] + arr[i][j]); } chmax(dp[i + 1][j + 1][1], dp[i][j + 1][p] + arr[i][j]); } } } ll ans = 0; rep(p, 4) { chmax(ans, dp[r][c][p]); } cout << ans << endl; }
delete
55
56
55
55
-11
p02586
C++
Time Limit Exceeded
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> constexpr long long INF = 1LL << 60; constexpr long long MOD = 1000000007; double PI = acos(-1.0); #define rep(i, n) for (ll i = 0; i < (n); ++i) #define rep1(i, n) for (ll i = 1; i <= (n); ++i) #define rrep(i, n) for (ll i = (n - 1); i >= 0; --i) #define perm(c) \ sort(ALL(c)); \ for (bool c##p = 1; c##p; c##p = next_permutation(ALL(c))) #define ALL(obj) (obj).begin(), (obj).end() #define RALL(obj) (obj).rbegin(), (obj).rend() #define pb push_back #define to_s to_string #define len(v) (ll) v.size() #define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end()) #define print(x) cout << (x) << '\n' #define drop(x) cout << (x) << '\n', exit(0) #define debug(x) cout << #x << ": " << (x) << '\n' using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<ll, ll> P; typedef tuple<ll, ll, ll> tpl; typedef vector<ll> vec; typedef vector<vector<ll>> vec2; typedef vector<vector<vector<ll>>> vec3; template <class S, class T> inline bool chmax(S &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class S, class T> inline bool chmin(S &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } inline ll msb(ll v) { return 1 << (31 - __builtin_clzll(v)); } inline ll devc(ll x, ll y) { return (x + y - 1) / y; } inline ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } inline ll lcm(ll a, ll b) { return a * (b / gcd(a, b)); } struct IoSetup { IoSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); cerr << fixed << setprecision(10); } } iosetup; template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << p.first << " " << p.second; return os; } template <typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template <typename T1, typename T2, typename T3> ostream &operator<<(ostream &os, const tuple<T1, T2, T3> &t) { os << get<0>(t) << " " << get<1>(t) << " " << get<2>(t); return os; } template <typename T1, typename T2, typename T3> istream &operator>>(istream &is, tuple<T1, T2, T3> &t) { is >> get<0>(t) >> get<1>(t) >> get<2>(t); return is; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (int i = 0; i < (int)v.size(); ++i) { os << v[i] << (i + 1 != v.size() ? " " : ""); } return os; } template <typename T> istream &operator>>(istream &is, vector<T> &v) { for (T &in : v) is >> in; return is; } template <typename T> ostream &operator<<(ostream &os, const set<T> &st) { int ct = 0; for (auto &s : st) cout << s << (++ct != st.size() ? " " : ""); return os; } template <typename T> constexpr set<T> &operator|=(set<T> &st1, const set<T> &st2) { for (auto &s : st2) st1.insert(s); return st1; } template <typename T> constexpr set<T> &operator-=(set<T> &st1, const set<T> &st2) { for (auto &s : st2) if (st1.count(s)) st1.erase(s); return st1; } template <typename T> constexpr set<T> &operator&=(set<T> &st1, const set<T> &st2) { auto itr = st1.begin(); while (itr != st1.end()) { if (!st2.count(*itr)) itr = st1.erase(itr); else ++itr; } return st1; } template <typename T> constexpr set<T> operator|(const set<T> &st1, const set<T> &st2) { set<T> res = st1; res |= st2; return res; } template <typename T> constexpr set<T> operator-(const set<T> &st1, const set<T> &st2) { set<T> res = st1; res -= st2; return res; } template <typename T> constexpr set<T> operator&(const set<T> &st1, const set<T> &st2) { set<T> res = st1; res &= st2; return res; } /*--------------------------------- Tools * ------------------------------------------*/ template <typename T> vector<T> cumsum(const vector<T> &X) { vector<T> res(X.size() + 1, 0); for (int i = 0; i < X.size(); ++i) res[i + 1] += res[i] + X[i]; return res; } template <typename S, typename T, typename F> pair<T, T> bisearch(S left, T right, F f) { while (abs(right - left) > 1) { T mid = (right + left) / 2; if (f(mid)) right = mid; else left = mid; } return {left, right}; } template <typename S, typename T, typename F> double trisearch(S left, T right, F f, int maxLoop = 90) { double low = left, high = right; while (maxLoop--) { double mid_left = high / 3 + low * 2 / 3; double mid_right = high * 2 / 3 + low / 3; if (f(mid_left) >= f(mid_right)) low = mid_left; else high = mid_right; } return (low + high) * 0.5; } template <typename F> ll ternarySearch(ll L, ll R, F f) { //[L, R) ll lo = L - 1, hi = R - 1; while (lo + 1 != hi) { ll mi = (lo + hi) / 2; if (f(mi) <= f(mi + 1)) hi = mi; else lo = mi; } return hi; } /*--------------------------------- Graph * ------------------------------------------*/ struct Graph { struct Edge { ll from, to, weight; Edge() : from(0), to(0), weight(0) {} Edge(ll f, ll t, ll w) : from(f), to(t), weight(w) {} }; using Edges = vector<Edge>; vector<Edges> G; Graph() : G(){}; Graph(int N) : G(N) {} Edges operator[](int k) const { return G[k]; } ll size() const { return G.size(); } void resize(int N) { G.resize(N); } void add_edge(int a, int b, ll w = 1) { G[a].emplace_back(a, b, w); G[b].emplace_back(b, a, w); } void add_arrow(int a, int b, ll w = 1) { G[a].emplace_back(a, b, w); } // Topological_sort //!!return empty, if not DAG vector<ll> topological_sort() const; // Dijkstra and related vector<ll> dijkstra(ll s, bool restore = false) const; vector<ll> shortest_path(ll start, ll goal) const; // Bellman-Ford //!!return empty, if negative loop exists vector<ll> bellman_ford(ll s) const; // Warshall-Floyd vector<vector<ll>> Warshall_Floyd() const; // Kruskal //!!Required UnionFind Graph Kruskal() const; }; vector<ll> Graph::dijkstra(ll s, bool restore) const { vector<ll> dist(G.size(), INF); priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> que; dist[s] = 0; que.emplace(dist[s], s); vector<ll> prev(G.size(), -1); while (!que.empty()) { ll cost, idx; tie(cost, idx) = que.top(); que.pop(); if (dist[idx] < cost) continue; for (auto &e : G[idx]) { auto next_cost = cost + e.weight; if (dist[e.to] <= next_cost) continue; dist[e.to] = next_cost; if (restore) prev[e.to] = e.from; que.emplace(dist[e.to], e.to); } } if (restore) return prev; return dist; } vector<ll> Graph::shortest_path(ll start, ll goal) const { vector<ll> prev = dijkstra(start, true); vector<ll> path; for (int cur = goal; cur != -1; cur = prev[cur]) path.push_back(cur); reverse(path.begin(), path.end()); if (path.front() != start) return {}; return path; } vector<ll> Graph::bellman_ford(ll s) const { vector<ll> dist(G.size(), INF); dist[s] = 0; for (ll i = 0; i < G.size(); ++i) { for (ll j = 0; j < G.size(); ++j) { for (auto &e : G[j]) { if (dist[e.from] == INF) continue; bool res = chmin(dist[e.to], dist[e.from] + e.weight); if (i == G.size() - 1 and res) return {}; } } } return dist; } vector<vector<ll>> Graph::Warshall_Floyd() const { int N = G.size(); vector<vector<ll>> d(N, vector<ll>(N)); rep(i, N) rep(j, N) { if (i == j) d[i][j] = 0; else d[i][j] = INF; } rep(i, N) for (auto &e : G[i]) d[i][e.to] = e.weight; rep(k, N) rep(i, N) rep(j, N) { if (d[i][k] == INF or d[k][j] == INF) continue; d[i][j] = min(d[i][j], d[i][k] + d[k][j]); } return d; } vector<ll> Graph::topological_sort() const { vector<ll> ans; int N = G.size(); vector<int> ind(N); rep(i, N) for (auto &e : G[i]) ind[e.to]++; queue<int> que; rep(i, N) if (!ind[i]) que.push(i); while (!que.empty()) { int now = que.front(); ans.pb(now); que.pop(); for (auto &e : G[now]) { ind[e.to]--; if (!ind[e.to]) que.push(e.to); } } if (ans.size() != N) return {}; return ans; } /*------------------------------- Main Code Here * -----------------------------------------*/ int main() { ll R, C, K; cin >> R >> C >> K; vec2 mx(R + 1, vec(C + 1)); rep(i, K) { ll r, c, v; cin >> r >> c >> v; mx[r][c] = v; } vec2 res(R + 1, vec(C + 1, -1)); auto f = [&](auto &self, ll x, ll y, vec tp) -> ll { if (x > R or y > C) return 0; // if(res[x][y] != -1) return res[x][y]; sort(ALL(tp)); if (mx[x][y] > tp[0]) tp[0] = mx[x][y]; ll sum = accumulate(ALL(tp), 0LL); return res[x][y] = max(self(self, x + 1, y, {0, 0, 0}) + sum, self(self, x, y + 1, tp)); }; print(f(f, 0, 0, {0, 0, 0})); return 0; }
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> constexpr long long INF = 1LL << 60; constexpr long long MOD = 1000000007; double PI = acos(-1.0); #define rep(i, n) for (ll i = 0; i < (n); ++i) #define rep1(i, n) for (ll i = 1; i <= (n); ++i) #define rrep(i, n) for (ll i = (n - 1); i >= 0; --i) #define perm(c) \ sort(ALL(c)); \ for (bool c##p = 1; c##p; c##p = next_permutation(ALL(c))) #define ALL(obj) (obj).begin(), (obj).end() #define RALL(obj) (obj).rbegin(), (obj).rend() #define pb push_back #define to_s to_string #define len(v) (ll) v.size() #define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end()) #define print(x) cout << (x) << '\n' #define drop(x) cout << (x) << '\n', exit(0) #define debug(x) cout << #x << ": " << (x) << '\n' using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<ll, ll> P; typedef tuple<ll, ll, ll> tpl; typedef vector<ll> vec; typedef vector<vector<ll>> vec2; typedef vector<vector<vector<ll>>> vec3; template <class S, class T> inline bool chmax(S &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class S, class T> inline bool chmin(S &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } inline ll msb(ll v) { return 1 << (31 - __builtin_clzll(v)); } inline ll devc(ll x, ll y) { return (x + y - 1) / y; } inline ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } inline ll lcm(ll a, ll b) { return a * (b / gcd(a, b)); } struct IoSetup { IoSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); cerr << fixed << setprecision(10); } } iosetup; template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << p.first << " " << p.second; return os; } template <typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template <typename T1, typename T2, typename T3> ostream &operator<<(ostream &os, const tuple<T1, T2, T3> &t) { os << get<0>(t) << " " << get<1>(t) << " " << get<2>(t); return os; } template <typename T1, typename T2, typename T3> istream &operator>>(istream &is, tuple<T1, T2, T3> &t) { is >> get<0>(t) >> get<1>(t) >> get<2>(t); return is; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (int i = 0; i < (int)v.size(); ++i) { os << v[i] << (i + 1 != v.size() ? " " : ""); } return os; } template <typename T> istream &operator>>(istream &is, vector<T> &v) { for (T &in : v) is >> in; return is; } template <typename T> ostream &operator<<(ostream &os, const set<T> &st) { int ct = 0; for (auto &s : st) cout << s << (++ct != st.size() ? " " : ""); return os; } template <typename T> constexpr set<T> &operator|=(set<T> &st1, const set<T> &st2) { for (auto &s : st2) st1.insert(s); return st1; } template <typename T> constexpr set<T> &operator-=(set<T> &st1, const set<T> &st2) { for (auto &s : st2) if (st1.count(s)) st1.erase(s); return st1; } template <typename T> constexpr set<T> &operator&=(set<T> &st1, const set<T> &st2) { auto itr = st1.begin(); while (itr != st1.end()) { if (!st2.count(*itr)) itr = st1.erase(itr); else ++itr; } return st1; } template <typename T> constexpr set<T> operator|(const set<T> &st1, const set<T> &st2) { set<T> res = st1; res |= st2; return res; } template <typename T> constexpr set<T> operator-(const set<T> &st1, const set<T> &st2) { set<T> res = st1; res -= st2; return res; } template <typename T> constexpr set<T> operator&(const set<T> &st1, const set<T> &st2) { set<T> res = st1; res &= st2; return res; } /*--------------------------------- Tools * ------------------------------------------*/ template <typename T> vector<T> cumsum(const vector<T> &X) { vector<T> res(X.size() + 1, 0); for (int i = 0; i < X.size(); ++i) res[i + 1] += res[i] + X[i]; return res; } template <typename S, typename T, typename F> pair<T, T> bisearch(S left, T right, F f) { while (abs(right - left) > 1) { T mid = (right + left) / 2; if (f(mid)) right = mid; else left = mid; } return {left, right}; } template <typename S, typename T, typename F> double trisearch(S left, T right, F f, int maxLoop = 90) { double low = left, high = right; while (maxLoop--) { double mid_left = high / 3 + low * 2 / 3; double mid_right = high * 2 / 3 + low / 3; if (f(mid_left) >= f(mid_right)) low = mid_left; else high = mid_right; } return (low + high) * 0.5; } template <typename F> ll ternarySearch(ll L, ll R, F f) { //[L, R) ll lo = L - 1, hi = R - 1; while (lo + 1 != hi) { ll mi = (lo + hi) / 2; if (f(mi) <= f(mi + 1)) hi = mi; else lo = mi; } return hi; } /*--------------------------------- Graph * ------------------------------------------*/ struct Graph { struct Edge { ll from, to, weight; Edge() : from(0), to(0), weight(0) {} Edge(ll f, ll t, ll w) : from(f), to(t), weight(w) {} }; using Edges = vector<Edge>; vector<Edges> G; Graph() : G(){}; Graph(int N) : G(N) {} Edges operator[](int k) const { return G[k]; } ll size() const { return G.size(); } void resize(int N) { G.resize(N); } void add_edge(int a, int b, ll w = 1) { G[a].emplace_back(a, b, w); G[b].emplace_back(b, a, w); } void add_arrow(int a, int b, ll w = 1) { G[a].emplace_back(a, b, w); } // Topological_sort //!!return empty, if not DAG vector<ll> topological_sort() const; // Dijkstra and related vector<ll> dijkstra(ll s, bool restore = false) const; vector<ll> shortest_path(ll start, ll goal) const; // Bellman-Ford //!!return empty, if negative loop exists vector<ll> bellman_ford(ll s) const; // Warshall-Floyd vector<vector<ll>> Warshall_Floyd() const; // Kruskal //!!Required UnionFind Graph Kruskal() const; }; vector<ll> Graph::dijkstra(ll s, bool restore) const { vector<ll> dist(G.size(), INF); priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> que; dist[s] = 0; que.emplace(dist[s], s); vector<ll> prev(G.size(), -1); while (!que.empty()) { ll cost, idx; tie(cost, idx) = que.top(); que.pop(); if (dist[idx] < cost) continue; for (auto &e : G[idx]) { auto next_cost = cost + e.weight; if (dist[e.to] <= next_cost) continue; dist[e.to] = next_cost; if (restore) prev[e.to] = e.from; que.emplace(dist[e.to], e.to); } } if (restore) return prev; return dist; } vector<ll> Graph::shortest_path(ll start, ll goal) const { vector<ll> prev = dijkstra(start, true); vector<ll> path; for (int cur = goal; cur != -1; cur = prev[cur]) path.push_back(cur); reverse(path.begin(), path.end()); if (path.front() != start) return {}; return path; } vector<ll> Graph::bellman_ford(ll s) const { vector<ll> dist(G.size(), INF); dist[s] = 0; for (ll i = 0; i < G.size(); ++i) { for (ll j = 0; j < G.size(); ++j) { for (auto &e : G[j]) { if (dist[e.from] == INF) continue; bool res = chmin(dist[e.to], dist[e.from] + e.weight); if (i == G.size() - 1 and res) return {}; } } } return dist; } vector<vector<ll>> Graph::Warshall_Floyd() const { int N = G.size(); vector<vector<ll>> d(N, vector<ll>(N)); rep(i, N) rep(j, N) { if (i == j) d[i][j] = 0; else d[i][j] = INF; } rep(i, N) for (auto &e : G[i]) d[i][e.to] = e.weight; rep(k, N) rep(i, N) rep(j, N) { if (d[i][k] == INF or d[k][j] == INF) continue; d[i][j] = min(d[i][j], d[i][k] + d[k][j]); } return d; } vector<ll> Graph::topological_sort() const { vector<ll> ans; int N = G.size(); vector<int> ind(N); rep(i, N) for (auto &e : G[i]) ind[e.to]++; queue<int> que; rep(i, N) if (!ind[i]) que.push(i); while (!que.empty()) { int now = que.front(); ans.pb(now); que.pop(); for (auto &e : G[now]) { ind[e.to]--; if (!ind[e.to]) que.push(e.to); } } if (ans.size() != N) return {}; return ans; } /*------------------------------- Main Code Here * -----------------------------------------*/ int main() { ll R, C, K; cin >> R >> C >> K; vec2 mx(R + 1, vec(C + 1)); rep(i, K) { ll r, c, v; cin >> r >> c >> v; mx[r][c] = v; } vec3 res(4, vec2(R + 1, vec(C + 1, 0))); rep1(j, R) rep1(k, C) { // 変化なし rep(i, 4) chmax(res[0][j][k], res[i][j - 1][k]); rep(i, 4) chmax(res[i][j][k], res[i][j][k - 1]); // 取る場合 rrep(i, 4) if (i) chmax(res[i][j][k], res[i - 1][j][k] + mx[j][k]); } // for(auto r : res[3]) print(r); ll ans = 0; rep(i, 4) chmax(ans, res[i][R][C]); print(ans); return 0; }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long int #define ld long double #define INF (int)1e9 + 4 #define INFL (ll)1e18 + 4 #define md (int)1e9 + 7 #define mx 10000000 #define mk make_pair #define pi pair<int, int> #define ss second #define ff first #define pb emplace_back #define onell(x) __builtin_popcountll(x) #define one(x) __builtin_popcount(x) #define all(s) s.begin(), s.end() #define rall(x) (x).rbegin(), (x).rend() #define trav(x, a) for (auto &x : a) #define fr(i, a, b) for (int i = a; i <= b; i++) #define rep(i, a, b) for (int i = a; i < b; i++) #define per(i, a, b) for (int i = a; i > b; i--) #define rf(i, a, b) for (int i = a; i >= b; i--) #define sz(x) ((long long)x.size()) #define mez(s) memset(s, 0, sizeof s) #define mex(s) memset(s, -1, sizeof s) #define metr(s) memset(s, true, sizeof s) typedef vector<int> vi; typedef vector<ll> vl; typedef map<int, int> mp; typedef queue<int> que; typedef vector<pi> vp; int n, m, k; const int mxn = 350; int gh[mxn][mxn]; ll dp[mxn][mxn][4]; ll dfs(int i, int j, int k) { if (i > n) return 0; if (j > m) return 0; ll ans = 0; if (dp[i][j][k] != -1) return dp[i][j][k]; if (k > 0) { ans = max(ans, gh[i][j] + dfs(i, j + 1, k - 1)); ans = max(ans, gh[i][j] + dfs(i + 1, j, 3)); } ans = max(ans, dfs(i + 1, j, 3)); ans = max(ans, dfs(i, j + 1, k)); return dp[i][j][k] = ans; } void solve() { int x = 0, y = 0, z = 0; cin >> n >> m >> k; mex(dp), mez(gh); while (k--) { cin >> x >> y >> z; gh[x][y] = z; } ll ans = dfs(1, 1, 3); cout << ans; } int main() { ios::sync_with_stdio(false); cin.tie(0); int t = 1; // cin>>t; while (t--) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long int #define ld long double #define INF (int)1e9 + 4 #define INFL (ll)1e18 + 4 #define md (int)1e9 + 7 #define mx 10000000 #define mk make_pair #define pi pair<int, int> #define ss second #define ff first #define pb emplace_back #define onell(x) __builtin_popcountll(x) #define one(x) __builtin_popcount(x) #define all(s) s.begin(), s.end() #define rall(x) (x).rbegin(), (x).rend() #define trav(x, a) for (auto &x : a) #define fr(i, a, b) for (int i = a; i <= b; i++) #define rep(i, a, b) for (int i = a; i < b; i++) #define per(i, a, b) for (int i = a; i > b; i--) #define rf(i, a, b) for (int i = a; i >= b; i--) #define sz(x) ((long long)x.size()) #define mez(s) memset(s, 0, sizeof s) #define mex(s) memset(s, -1, sizeof s) #define metr(s) memset(s, true, sizeof s) typedef vector<int> vi; typedef vector<ll> vl; typedef map<int, int> mp; typedef queue<int> que; typedef vector<pi> vp; int n, m, k; const int mxn = 3010; int gh[mxn][mxn]; ll dp[mxn][mxn][4]; ll dfs(int i, int j, int k) { if (i > n) return 0; if (j > m) return 0; ll ans = 0; if (dp[i][j][k] != -1) return dp[i][j][k]; if (k > 0) { ans = max(ans, gh[i][j] + dfs(i, j + 1, k - 1)); ans = max(ans, gh[i][j] + dfs(i + 1, j, 3)); } ans = max(ans, dfs(i + 1, j, 3)); ans = max(ans, dfs(i, j + 1, k)); return dp[i][j][k] = ans; } void solve() { int x = 0, y = 0, z = 0; cin >> n >> m >> k; mex(dp), mez(gh); while (k--) { cin >> x >> y >> z; gh[x][y] = z; } ll ans = dfs(1, 1, 3); cout << ans; } int main() { ios::sync_with_stdio(false); cin.tie(0); int t = 1; // cin>>t; while (t--) { solve(); } return 0; }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define FO(x) \ { \ freopen(#x ".in", "r", stdin); \ freopen(#x ".out", "w", stdout); \ } #define pa pair<int, int> #define mod 998244353 #define ll long long #define mk make_pair #define pb push_back #define fi first #define se second #define cl(x) memset(x, 0, sizeof x) #ifdef Devil_Gary #define bug(x) cout << (#x) << " " << (x) << endl #define debug(...) fprintf(stderr, __VA_ARGS__) #else #define bug(x) #define debug(...) #endif const int INF = 0x7fffffff; const int N = 5e3 + 5; /* char *TT,*mo,but[(1<<15)+2]; #define getchar() ((TT==mo&&(mo=(TT=but)+fread(but,1,1<<15,stdin),TT==mo))?-1:*TT++)//*/ inline int read() { int x = 0, rev = 0, ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') rev = 1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = (x << 1) + (x << 3) + ch - '0'; ch = getchar(); } return rev ? -x : x; } /* struct Edge{ int nxt,v; // int w; // int id; }e[N<<1]; void add(int u,int v){ e[++tot].v=v,e[tot].nxt=head[u],head[u]=tot; e[++tot].v=u,e[tot].nxt=head[v],head[v]=tot; }*/ ll f[N][N][3]; int n, m, k; ll c[N][N]; int main() { #ifdef Devil_Gary freopen("in.txt", "r", stdin); // freopen("out.txt","w",stdout); #endif n = read(), m = read(), k = read(); for (int i = 1; i <= k; i++) { ll x, y, z; cin >> x >> y >> z; c[x][y] = z; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { for (int k = 0; k <= 3; k++) { if (k != 0) f[i][j][k] = c[i][j] + max(f[i][j - 1][k - 1], max(max(f[i - 1][j][0], f[i - 1][j][1]), max(f[i - 1][j][2], f[i - 1][j][3]))); f[i][j][k] = max(f[i][j][k], max(f[i][j - 1][k], max(max(f[i - 1][j][0], f[i - 1][j][1]), max(f[i - 1][j][2], f[i - 1][j][3])))); } } } cout << max(max(f[n][m][0], f[n][m][1]), max(f[n][m][2], f[n][m][3])); return 0; }
#include <bits/stdc++.h> using namespace std; #define FO(x) \ { \ freopen(#x ".in", "r", stdin); \ freopen(#x ".out", "w", stdout); \ } #define pa pair<int, int> #define mod 998244353 #define ll long long #define mk make_pair #define pb push_back #define fi first #define se second #define cl(x) memset(x, 0, sizeof x) #ifdef Devil_Gary #define bug(x) cout << (#x) << " " << (x) << endl #define debug(...) fprintf(stderr, __VA_ARGS__) #else #define bug(x) #define debug(...) #endif const int INF = 0x7fffffff; const int N = 5e3 + 5; /* char *TT,*mo,but[(1<<15)+2]; #define getchar() ((TT==mo&&(mo=(TT=but)+fread(but,1,1<<15,stdin),TT==mo))?-1:*TT++)//*/ inline int read() { int x = 0, rev = 0, ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') rev = 1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = (x << 1) + (x << 3) + ch - '0'; ch = getchar(); } return rev ? -x : x; } /* struct Edge{ int nxt,v; // int w; // int id; }e[N<<1]; void add(int u,int v){ e[++tot].v=v,e[tot].nxt=head[u],head[u]=tot; e[++tot].v=u,e[tot].nxt=head[v],head[v]=tot; }*/ ll f[N][N][4]; int n, m, k; ll c[N][N]; int main() { #ifdef Devil_Gary freopen("in.txt", "r", stdin); // freopen("out.txt","w",stdout); #endif n = read(), m = read(), k = read(); for (int i = 1; i <= k; i++) { ll x, y, z; cin >> x >> y >> z; c[x][y] = z; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { for (int k = 0; k <= 3; k++) { if (k != 0) f[i][j][k] = c[i][j] + max(f[i][j - 1][k - 1], max(max(f[i - 1][j][0], f[i - 1][j][1]), max(f[i - 1][j][2], f[i - 1][j][3]))); f[i][j][k] = max(f[i][j][k], max(f[i][j - 1][k], max(max(f[i - 1][j][0], f[i - 1][j][1]), max(f[i - 1][j][2], f[i - 1][j][3])))); } } } cout << max(max(f[n][m][0], f[n][m][1]), max(f[n][m][2], f[n][m][3])); return 0; }
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C++
Runtime Error
#include <bits/stdc++.h> using namespace std; template <class T> ostream &operator<<(ostream &os, vector<T> V) { os << "[ "; for (auto v : V) os << v << " "; return os << "]"; } template <class T> ostream &operator<<(ostream &os, set<T> S) { os << "{ "; for (auto s : S) os << s << " "; return os << "}"; } template <class L, class R> ostream &operator<<(ostream &os, pair<L, R> P) { return os << "(" << P.first << "," << P.second << ")"; } template <class L, class R> ostream &operator<<(ostream &os, map<L, R> M) { os << "{ "; for (auto m : M) os << "(" << m.first << ":" << m.second << ")"; return os << "}"; } #define cerr cout #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(...) 1 #endif // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; // #define ordered_set tree<int, null_type,less<int>, // rb_tree_tag,tree_order_statistics_node_update> find_by_order(k) returns // iterator to kth element starting from 0; order_of_key(k) returns count of // elements strictly smaller than k; // For multiset use less_equal operator but it does support erase operations for // multiset #define ll long long #define ld long double #define vll vector<ll> #define pll pair<ll, ll> #define vpll vector<pll> #define I insert #define pb push_back #define F first #define S second #define endl "\n" #define all(v) (v).begin(), (v).end() typedef vector<int> vi; typedef pair<int, int> pii; typedef pair<pii, int> ppi; typedef vector<pii> vpii; #define fio \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL) #define mp make_pair const int mod = 1e9 + 7; inline int add(int a, int b) { a += b; if (a >= mod) a -= mod; return a; } inline int sub(int a, int b) { a -= b; if (a < 0) a += mod; return a; } inline int mul(int a, int b) { return a * 1ll * b % mod; } inline int power(int x, ll y) { int res = 1; while (y) { if (y & 1) res = mul(res, x); x = mul(x, x); y >>= 1; } return res; } int r, c, k; const int N = 1e3 + 100; ll val[N][N]; ll dp[4][N][N]; int main() { fio; cout << fixed << setprecision(25); cin >> r >> c >> k; int r1, c1, v1; for (int i = 1; i <= k; ++i) { cin >> r1 >> c1 >> v1; val[r1][c1] = v1; } for (int i = 1; i <= r; ++i) { for (int j = 1; j <= c; ++j) { for (int k = 0; k < 4; ++k) { dp[0][i][j] = max(dp[0][i][j], dp[k][i - 1][j]); dp[1][i][j] = max(dp[1][i][j], val[i][j] + dp[k][i - 1][j]); if (k) { dp[k][i][j] = max(dp[k][i][j], val[i][j] + dp[k - 1][i][j - 1]); dp[k][i][j] = max(dp[k][i][j], dp[k][i][j - 1]); } } } } ll mx = 0; for (int i = 0; i < 4; ++i) mx = max(mx, dp[i][r][c]); cout << mx << endl; return 0; }
#include <bits/stdc++.h> using namespace std; template <class T> ostream &operator<<(ostream &os, vector<T> V) { os << "[ "; for (auto v : V) os << v << " "; return os << "]"; } template <class T> ostream &operator<<(ostream &os, set<T> S) { os << "{ "; for (auto s : S) os << s << " "; return os << "}"; } template <class L, class R> ostream &operator<<(ostream &os, pair<L, R> P) { return os << "(" << P.first << "," << P.second << ")"; } template <class L, class R> ostream &operator<<(ostream &os, map<L, R> M) { os << "{ "; for (auto m : M) os << "(" << m.first << ":" << m.second << ")"; return os << "}"; } #define cerr cout #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(...) 1 #endif // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; // #define ordered_set tree<int, null_type,less<int>, // rb_tree_tag,tree_order_statistics_node_update> find_by_order(k) returns // iterator to kth element starting from 0; order_of_key(k) returns count of // elements strictly smaller than k; // For multiset use less_equal operator but it does support erase operations for // multiset #define ll long long #define ld long double #define vll vector<ll> #define pll pair<ll, ll> #define vpll vector<pll> #define I insert #define pb push_back #define F first #define S second #define endl "\n" #define all(v) (v).begin(), (v).end() typedef vector<int> vi; typedef pair<int, int> pii; typedef pair<pii, int> ppi; typedef vector<pii> vpii; #define fio \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL) #define mp make_pair const int mod = 1e9 + 7; inline int add(int a, int b) { a += b; if (a >= mod) a -= mod; return a; } inline int sub(int a, int b) { a -= b; if (a < 0) a += mod; return a; } inline int mul(int a, int b) { return a * 1ll * b % mod; } inline int power(int x, ll y) { int res = 1; while (y) { if (y & 1) res = mul(res, x); x = mul(x, x); y >>= 1; } return res; } int r, c, k; const int N = 3e3 + 100; ll val[N][N]; ll dp[4][N][N]; int main() { fio; cout << fixed << setprecision(25); cin >> r >> c >> k; int r1, c1, v1; for (int i = 1; i <= k; ++i) { cin >> r1 >> c1 >> v1; val[r1][c1] = v1; } for (int i = 1; i <= r; ++i) { for (int j = 1; j <= c; ++j) { for (int k = 0; k < 4; ++k) { dp[0][i][j] = max(dp[0][i][j], dp[k][i - 1][j]); dp[1][i][j] = max(dp[1][i][j], val[i][j] + dp[k][i - 1][j]); if (k) { dp[k][i][j] = max(dp[k][i][j], val[i][j] + dp[k - 1][i][j - 1]); dp[k][i][j] = max(dp[k][i][j], dp[k][i][j - 1]); } } } } ll mx = 0; for (int i = 0; i < 4; ++i) mx = max(mx, dp[i][r][c]); cout << mx << endl; return 0; }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int R, C, K; long long memo[3005][3005][10]; int grid[3005][3005]; bool exists(int r, int c) { return (1 <= r && r <= R) && (1 <= c && c <= C); } long long dp(int r, int c, int rem) { if (memo[r][c][rem] != -1) return memo[r][c][rem]; memo[r][c][rem] = 0; if (r == R && c == C) { if (rem > 0 && grid[r][c] != 0) memo[r][c][rem] = grid[r][c]; else memo[r][c][rem] = 0; return memo[r][c][rem]; } else { if (exists(r + 1, c)) { if (rem > 0 && grid[r][c] != 0) memo[r][c][rem] = max(memo[r][c][rem], dp(r + 1, c, 3) + grid[r][c]); else memo[r][c][rem] = max(memo[r][c][rem], dp(r + 1, c, 3)); } if (exists(r, c + 1)) { memo[r][c][rem] = max(memo[r][c][rem], dp(r, c + 1, rem)); if (rem > 0 && grid[r][c] != 0) memo[r][c][rem] = max(memo[r][c][rem], dp(r, c + 1, rem - 1) + grid[r][c]); } return memo[r][c][rem]; } } int main() { scanf("%d%d%d", &R, &C, &K); for (int i = 1; i <= K; i++) { int ri, ci, vi; scanf("%d%d%d", &ri, &ci, &vi); grid[ri][ci] = vi; } for (int i = 1; i <= K; i++) { for (int j = 1; j <= C; j++) { for (int k = 0; k <= 3; k++) memo[i][j][k] = -1; } } printf("%lld", dp(1, 1, 3)); }
#include <bits/stdc++.h> using namespace std; int R, C, K; long long memo[3005][3005][10]; int grid[3005][3005]; bool exists(int r, int c) { return (1 <= r && r <= R) && (1 <= c && c <= C); } long long dp(int r, int c, int rem) { if (memo[r][c][rem] != -1) return memo[r][c][rem]; memo[r][c][rem] = 0; if (r == R && c == C) { if (rem > 0 && grid[r][c] != 0) memo[r][c][rem] = grid[r][c]; else memo[r][c][rem] = 0; return memo[r][c][rem]; } else { if (exists(r + 1, c)) { if (rem > 0 && grid[r][c] != 0) memo[r][c][rem] = max(memo[r][c][rem], dp(r + 1, c, 3) + grid[r][c]); else memo[r][c][rem] = max(memo[r][c][rem], dp(r + 1, c, 3)); } if (exists(r, c + 1)) { memo[r][c][rem] = max(memo[r][c][rem], dp(r, c + 1, rem)); if (rem > 0 && grid[r][c] != 0) memo[r][c][rem] = max(memo[r][c][rem], dp(r, c + 1, rem - 1) + grid[r][c]); } return memo[r][c][rem]; } } int main() { scanf("%d%d%d", &R, &C, &K); for (int i = 1; i <= K; i++) { int ri, ci, vi; scanf("%d%d%d", &ri, &ci, &vi); grid[ri][ci] = vi; } for (int i = 1; i <= R; i++) { for (int j = 1; j <= C; j++) { for (int k = 0; k <= 3; k++) memo[i][j][k] = -1; } } printf("%lld", dp(1, 1, 3)); }
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Runtime Error
// #pragma GCC optimize ("-O3") #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <cstdio> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <regex> #include <set> #include <sstream> #include <stack> #include <string> #include <time.h> #include <type_traits> #include <typeinfo> #include <unordered_map> #include <vector> #ifdef _MSC_VER #include <intrin.h> #define popcnt __popcnt64 // # define __builtin_popcount __popcnt #else #define popcnt __builtin_popcountll #endif // #include "boost/variant.hpp" using namespace std; typedef long long ll; constexpr ll MOD = 1000000007ll; constexpr ll INF = 1LL << 60; #define rep(i, N, M) for (ll i = N, i##_len = (M); i < i##_len; ++i) #define rep_skip(i, N, M, ...) \ for (ll i = N, i##_len = (M); i < i##_len; i += (skip)) #define rrep(i, N, M) for (ll i = (M)-1, i##_len = (N - 1); i > i##_len; --i) #define repbit(bit, N, DIG) rep(bit, (N), (1LL << (DIG))) #define pb push_back #define fir first #define sec second #define all(a) (a).begin(), (a).end() #define rall(a) (a).rbegin(), (a).rend() #define perm(c) \ sort(all(c)); \ for (bool c##perm = 1; c##perm; \ c##perm = next_permutation( \ all(c))) // perm(c){write(c)} writes all permutation of c constexpr ll dceil(ll x, ll y) { if (y < 0) { x *= -1; y *= -1; }; return x > 0 ? (x + y - 1) / y : x / y; } // ceil for x/y constexpr ll dfloor(ll x, ll y) { if (y < 0) { x *= -1; y *= -1; }; return x > 0 ? x / y : -dceil((-x), y); } // floor for x/y typedef pair<double, double> pd; typedef pair<ll, ll> pll; typedef vector<ll> vll; typedef vector<vll> vvll; typedef vector<pll> vpll; typedef vector<bool> vb; typedef vector<vb> vvb; typedef vector<string> vs; template <typename T> using pq_greater = priority_queue<T, vector<T>, greater<T>>; template <typename T> using vpt = vector<complex<T>>; template <int n> struct tll_impl { using type = decltype(tuple_cat(tuple<ll>(), declval<typename tll_impl<n - 1>::type>())); }; template <> struct tll_impl<1> { using type = tuple<ll>; }; template <int n> using tll = typename tll_impl<n>::type; template <class T> constexpr ll SZ(T &v) { return static_cast<ll>(v.size()); }; template <int n, typename T> struct vec_t_impl { using type = vector<typename vec_t_impl<n - 1, T>::type>; }; template <typename T> struct vec_t_impl<1, T> { using type = vector<T>; }; template <int n, typename T> using vec_t = typename vec_t_impl<n, T>::type; // check static_assert(is_same<vec_t<3, ll>, vector<vector<vector<ll>>>>::value, ""); // decompose vector into basetype and dimension. template <typename T> struct vec_dec { static constexpr int dim = 0; using type = T; }; template <typename T> struct vec_dec<vector<T>> { static constexpr int dim = vec_dec<T>::dim + 1; using type = typename vec_dec<T>::type; }; static_assert(is_same<typename vec_dec<vec_t<3, ll>>::type, ll>::value, ""); static_assert(vec_dec<vec_t<3, ll>>::dim == 3, ""); template <typename T = ll> vector<T> makev(size_t a) { return vector<T>(a); } template <typename T = ll, typename... Ts> auto makev(size_t a, Ts... ts) { return vector<decltype(makev<T>(ts...))>(a, makev<T>(ts...)); } // ex: auto dp = makev<ll>(4,5) => vector<vector<ll>> dp(4,vector<ll>(5)); template <typename T> struct is_vector : std::false_type {}; // check if T is vector template <typename T> struct is_vector<vector<T>> : std::true_type {}; static_assert(is_vector<vector<ll>>::value == true && is_vector<ll>::value == false, ""); // check if T is vector template <typename T> struct is_pair : std::false_type {}; template <typename T, typename S> struct is_pair<pair<T, S>> : std::true_type {}; static_assert(is_pair<pll>::value == true && is_pair<ll>::value == false, ""); template <typename T, typename V, typename enable_if<!is_vector<T>::value, nullptr_t>::type = nullptr> void fill_v(T &t, const V &v) { t = v; } template <typename T, typename V, typename enable_if<is_vector<T>::value, nullptr_t>::type = nullptr> void fill_v(T &t, const V &v) { for (auto &&x : t) fill_v(x, v); } // ex: fill_v(dp, INF); namespace std { template <class T> bool operator<(const complex<T> &a, const complex<T> &b) { return a.real() == b.real() ? a.imag() < b.imag() : a.real() < b.real(); } }; // namespace std template <typename T, typename S> istream &operator>>(istream &istr, pair<T, S> &x) { return istr >> x.first >> x.second; } template <typename T> istream &operator>>(istream &istr, vector<T> &x) { rep(i, 0, x.size()) istr >> x[i]; return istr; } template <typename T> istream &operator>>(istream &istr, complex<T> &x) { T r, i; istr >> r >> i; x.real(r); x.imag(i); return istr; } template <typename T, typename Delim_t = string, typename enable_if<!is_vector<T>::value, nullptr_t>::type = nullptr> void write(T &x, Delim_t delim = " ") { cout << x << delim; } template <typename T, typename Delim_t = string, typename enable_if<is_vector<T>::value, nullptr_t>::type = nullptr> void write(T &x, Delim_t delim = " ") { rep(i, 0, x.size()) write(x[i], (i == (x.size() - 1) ? "" : delim)); cout << '\n'; } template <typename T> void chmin(T &a, T b) { if (a > b) a = b; } template <typename T> void chmax(T &a, T b) { if (a < b) a = b; } vll seq(ll i, ll j) { vll res(j - i); rep(k, i, j) res[k] = i + k; return res; } constexpr ll POW_0(ll x, ll y) { if (y == 0) return 1; if (y == 1) return x; if (y == 2) return x * x; if (y % 2 == 0) return POW_0(POW_0(x, y / 2), 2LL); return ((POW_0(POW_0(x, y / 2), 2LL)) * (x)); } constexpr ll POW(ll x, ll y, ll mod = 0) { if (mod == 0) return POW_0(x, y); if (y == 0) return 1; if (y == 1) return x % mod; if (y == 2) return x * x % mod; if (y % 2 == 0) return POW(POW(x, y / 2, mod), 2LL, mod) % mod; return ((POW(POW(x, y / 2, mod), 2LL, mod)) * (x % mod)) % mod; } template <typename Inputs, typename Functor, typename T = typename Inputs::value_type> void sort_by(Inputs &inputs, Functor f) { std::sort(std::begin(inputs), std::end(inputs), [&f](const T &lhs, const T &rhs) { return f(lhs) < f(rhs); }); } template <int pos, typename Inputs, typename T = typename Inputs::value_type> void sort_by(Inputs &inputs) { std::sort( std::begin(inputs), std::end(inputs), [](const T &lhs, const T &rhs) { return get<pos>(lhs) < get<pos>(rhs); }); } template <typename Inputs, typename Functor, typename T = typename Inputs::value_type> void stable_sort_by(Inputs &inputs, Functor f) { std::stable_sort( std::begin(inputs), std::end(inputs), [&f](const T &lhs, const T &rhs) { return f(lhs) < f(rhs); }); } template <typename Inputs> void sort_uniq(Inputs &inputs) { sort(all(inputs)); inputs.erase(unique(all(inputs)), inputs.end()); } vector<string> split(const string &s, char delim) { vector<string> elems; stringstream ss(s); string item; if (s.size() > 0 && s.front() == delim) { elems.push_back(""); } while (getline(ss, item, delim)) { if (!item.empty()) { elems.push_back(item); } } if (s.size() > 0 && s.back() == delim) { elems.push_back(""); } return elems; } template <class T> map<T, ll> inv_map(vector<T> &x) { map<T, ll> res; rep(i, 0, x.size()) { res[x[i]] = i; } return res; } template <class K, class V> map<V, K> inv_map(map<K, V> &m) { map<V, K> res; for (const auto &x : m) { res[x.second] = x.first; } return res; } template <class T, class val_t = typename T::value_type, enable_if_t<!is_same<T, set<val_t>>::value> * = nullptr> constexpr bool exist(const T &container, val_t val) { return find(all(container), val) != container.end(); } template <class T, class val_t = typename T::value_type, enable_if_t<is_same<T, set<val_t>>::value> * = nullptr> constexpr bool exist(const T &container, val_t val) { return container.find(val) != container.end(); } // inner prod: |a||b|cos(theta) template <class T> T dot(complex<T> a, complex<T> b) { return a.real() * b.real() + a.imag() * b.imag(); } // outer prod |a||b|sin(theta) template <class T> T cross(complex<T> a, complex<T> b) { return a.real() * b.imag() - a.imag() * b.real(); } struct D2 { enum Dir { U, D, L, R }; static inline vector<Dir> Dirs = {U, D, L, R}; D2(ll h, ll w) : h(h), w(w){}; bool in(ll n, D2::Dir d, ll k = 1) { if ((W(n) <= k - 1) && d == L) return false; if ((W(n) >= w - 1 - (k - 1)) && d == R) return false; if ((H(n) <= k - 1) && d == D) return false; if ((H(n) >= h - 1 - (k - 1)) && d == U) return false; return true; }; ll next(Dir d, ll k = 1) { switch (d) { case U: return w * k; case D: return -w * k; case L: return -k; case R: return k; default: throw invalid_argument("not direction"); } } ll H(ll n) { return n / w; } ll W(ll n) { return n % w; } ll h, w; }; int main() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(12); ll w, h, k; cin >> w >> h >> k; map<pll, ll> item; rep(i, 0, k) { ll r, c, v; cin >> c >> r >> v; item[{r - 1, c - 1}] = v; } auto dp = makev(h, w, 4); auto in = [&](ll i, ll j) { return item.find({i, j}) != item.end(); }; if (in(h - 1, w - 1)) { dp[h - 1][w - 1][1] = item[{h - 1, w - 1}]; } rrep(i, 0, h) rrep(j, 0, w) { if (i == h - 1 && j == w - 1) continue; if (in(i, j)) { if (j < w - 1) chmax(dp[i][j][1], item[{i, j}] + max({dp[i][j + 1][1], dp[i][j + 1][2], dp[i][j + 1][3]})); if (i < h - 1) { rep(k, 0, 3) chmax(dp[i][j][k + 1], item[{i, j}] + dp[i + 1][j][k]); } chmax(dp[i][j][k], item[{i, j}]); } if (j < w - 1) rep(k, 1, 4) chmax(dp[i][j][1], dp[i][j + 1][k]); if (i < h - 1) rep(k, 1, 4) chmax(dp[i][j][k], dp[i + 1][j][k]); } cout << *max_element(all(dp[0][0])) << endl; return 0; }
// #pragma GCC optimize ("-O3") #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <cstdio> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <regex> #include <set> #include <sstream> #include <stack> #include <string> #include <time.h> #include <type_traits> #include <typeinfo> #include <unordered_map> #include <vector> #ifdef _MSC_VER #include <intrin.h> #define popcnt __popcnt64 // # define __builtin_popcount __popcnt #else #define popcnt __builtin_popcountll #endif // #include "boost/variant.hpp" using namespace std; typedef long long ll; constexpr ll MOD = 1000000007ll; constexpr ll INF = 1LL << 60; #define rep(i, N, M) for (ll i = N, i##_len = (M); i < i##_len; ++i) #define rep_skip(i, N, M, ...) \ for (ll i = N, i##_len = (M); i < i##_len; i += (skip)) #define rrep(i, N, M) for (ll i = (M)-1, i##_len = (N - 1); i > i##_len; --i) #define repbit(bit, N, DIG) rep(bit, (N), (1LL << (DIG))) #define pb push_back #define fir first #define sec second #define all(a) (a).begin(), (a).end() #define rall(a) (a).rbegin(), (a).rend() #define perm(c) \ sort(all(c)); \ for (bool c##perm = 1; c##perm; \ c##perm = next_permutation( \ all(c))) // perm(c){write(c)} writes all permutation of c constexpr ll dceil(ll x, ll y) { if (y < 0) { x *= -1; y *= -1; }; return x > 0 ? (x + y - 1) / y : x / y; } // ceil for x/y constexpr ll dfloor(ll x, ll y) { if (y < 0) { x *= -1; y *= -1; }; return x > 0 ? x / y : -dceil((-x), y); } // floor for x/y typedef pair<double, double> pd; typedef pair<ll, ll> pll; typedef vector<ll> vll; typedef vector<vll> vvll; typedef vector<pll> vpll; typedef vector<bool> vb; typedef vector<vb> vvb; typedef vector<string> vs; template <typename T> using pq_greater = priority_queue<T, vector<T>, greater<T>>; template <typename T> using vpt = vector<complex<T>>; template <int n> struct tll_impl { using type = decltype(tuple_cat(tuple<ll>(), declval<typename tll_impl<n - 1>::type>())); }; template <> struct tll_impl<1> { using type = tuple<ll>; }; template <int n> using tll = typename tll_impl<n>::type; template <class T> constexpr ll SZ(T &v) { return static_cast<ll>(v.size()); }; template <int n, typename T> struct vec_t_impl { using type = vector<typename vec_t_impl<n - 1, T>::type>; }; template <typename T> struct vec_t_impl<1, T> { using type = vector<T>; }; template <int n, typename T> using vec_t = typename vec_t_impl<n, T>::type; // check static_assert(is_same<vec_t<3, ll>, vector<vector<vector<ll>>>>::value, ""); // decompose vector into basetype and dimension. template <typename T> struct vec_dec { static constexpr int dim = 0; using type = T; }; template <typename T> struct vec_dec<vector<T>> { static constexpr int dim = vec_dec<T>::dim + 1; using type = typename vec_dec<T>::type; }; static_assert(is_same<typename vec_dec<vec_t<3, ll>>::type, ll>::value, ""); static_assert(vec_dec<vec_t<3, ll>>::dim == 3, ""); template <typename T = ll> vector<T> makev(size_t a) { return vector<T>(a); } template <typename T = ll, typename... Ts> auto makev(size_t a, Ts... ts) { return vector<decltype(makev<T>(ts...))>(a, makev<T>(ts...)); } // ex: auto dp = makev<ll>(4,5) => vector<vector<ll>> dp(4,vector<ll>(5)); template <typename T> struct is_vector : std::false_type {}; // check if T is vector template <typename T> struct is_vector<vector<T>> : std::true_type {}; static_assert(is_vector<vector<ll>>::value == true && is_vector<ll>::value == false, ""); // check if T is vector template <typename T> struct is_pair : std::false_type {}; template <typename T, typename S> struct is_pair<pair<T, S>> : std::true_type {}; static_assert(is_pair<pll>::value == true && is_pair<ll>::value == false, ""); template <typename T, typename V, typename enable_if<!is_vector<T>::value, nullptr_t>::type = nullptr> void fill_v(T &t, const V &v) { t = v; } template <typename T, typename V, typename enable_if<is_vector<T>::value, nullptr_t>::type = nullptr> void fill_v(T &t, const V &v) { for (auto &&x : t) fill_v(x, v); } // ex: fill_v(dp, INF); namespace std { template <class T> bool operator<(const complex<T> &a, const complex<T> &b) { return a.real() == b.real() ? a.imag() < b.imag() : a.real() < b.real(); } }; // namespace std template <typename T, typename S> istream &operator>>(istream &istr, pair<T, S> &x) { return istr >> x.first >> x.second; } template <typename T> istream &operator>>(istream &istr, vector<T> &x) { rep(i, 0, x.size()) istr >> x[i]; return istr; } template <typename T> istream &operator>>(istream &istr, complex<T> &x) { T r, i; istr >> r >> i; x.real(r); x.imag(i); return istr; } template <typename T, typename Delim_t = string, typename enable_if<!is_vector<T>::value, nullptr_t>::type = nullptr> void write(T &x, Delim_t delim = " ") { cout << x << delim; } template <typename T, typename Delim_t = string, typename enable_if<is_vector<T>::value, nullptr_t>::type = nullptr> void write(T &x, Delim_t delim = " ") { rep(i, 0, x.size()) write(x[i], (i == (x.size() - 1) ? "" : delim)); cout << '\n'; } template <typename T> void chmin(T &a, T b) { if (a > b) a = b; } template <typename T> void chmax(T &a, T b) { if (a < b) a = b; } vll seq(ll i, ll j) { vll res(j - i); rep(k, i, j) res[k] = i + k; return res; } constexpr ll POW_0(ll x, ll y) { if (y == 0) return 1; if (y == 1) return x; if (y == 2) return x * x; if (y % 2 == 0) return POW_0(POW_0(x, y / 2), 2LL); return ((POW_0(POW_0(x, y / 2), 2LL)) * (x)); } constexpr ll POW(ll x, ll y, ll mod = 0) { if (mod == 0) return POW_0(x, y); if (y == 0) return 1; if (y == 1) return x % mod; if (y == 2) return x * x % mod; if (y % 2 == 0) return POW(POW(x, y / 2, mod), 2LL, mod) % mod; return ((POW(POW(x, y / 2, mod), 2LL, mod)) * (x % mod)) % mod; } template <typename Inputs, typename Functor, typename T = typename Inputs::value_type> void sort_by(Inputs &inputs, Functor f) { std::sort(std::begin(inputs), std::end(inputs), [&f](const T &lhs, const T &rhs) { return f(lhs) < f(rhs); }); } template <int pos, typename Inputs, typename T = typename Inputs::value_type> void sort_by(Inputs &inputs) { std::sort( std::begin(inputs), std::end(inputs), [](const T &lhs, const T &rhs) { return get<pos>(lhs) < get<pos>(rhs); }); } template <typename Inputs, typename Functor, typename T = typename Inputs::value_type> void stable_sort_by(Inputs &inputs, Functor f) { std::stable_sort( std::begin(inputs), std::end(inputs), [&f](const T &lhs, const T &rhs) { return f(lhs) < f(rhs); }); } template <typename Inputs> void sort_uniq(Inputs &inputs) { sort(all(inputs)); inputs.erase(unique(all(inputs)), inputs.end()); } vector<string> split(const string &s, char delim) { vector<string> elems; stringstream ss(s); string item; if (s.size() > 0 && s.front() == delim) { elems.push_back(""); } while (getline(ss, item, delim)) { if (!item.empty()) { elems.push_back(item); } } if (s.size() > 0 && s.back() == delim) { elems.push_back(""); } return elems; } template <class T> map<T, ll> inv_map(vector<T> &x) { map<T, ll> res; rep(i, 0, x.size()) { res[x[i]] = i; } return res; } template <class K, class V> map<V, K> inv_map(map<K, V> &m) { map<V, K> res; for (const auto &x : m) { res[x.second] = x.first; } return res; } template <class T, class val_t = typename T::value_type, enable_if_t<!is_same<T, set<val_t>>::value> * = nullptr> constexpr bool exist(const T &container, val_t val) { return find(all(container), val) != container.end(); } template <class T, class val_t = typename T::value_type, enable_if_t<is_same<T, set<val_t>>::value> * = nullptr> constexpr bool exist(const T &container, val_t val) { return container.find(val) != container.end(); } // inner prod: |a||b|cos(theta) template <class T> T dot(complex<T> a, complex<T> b) { return a.real() * b.real() + a.imag() * b.imag(); } // outer prod |a||b|sin(theta) template <class T> T cross(complex<T> a, complex<T> b) { return a.real() * b.imag() - a.imag() * b.real(); } struct D2 { enum Dir { U, D, L, R }; static inline vector<Dir> Dirs = {U, D, L, R}; D2(ll h, ll w) : h(h), w(w){}; bool in(ll n, D2::Dir d, ll k = 1) { if ((W(n) <= k - 1) && d == L) return false; if ((W(n) >= w - 1 - (k - 1)) && d == R) return false; if ((H(n) <= k - 1) && d == D) return false; if ((H(n) >= h - 1 - (k - 1)) && d == U) return false; return true; }; ll next(Dir d, ll k = 1) { switch (d) { case U: return w * k; case D: return -w * k; case L: return -k; case R: return k; default: throw invalid_argument("not direction"); } } ll H(ll n) { return n / w; } ll W(ll n) { return n % w; } ll h, w; }; int main() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(12); ll w, h, k; cin >> w >> h >> k; map<pll, ll> item; rep(i, 0, k) { ll r, c, v; cin >> c >> r >> v; item[{r - 1, c - 1}] = v; } auto dp = makev(h, w, 4); auto in = [&](ll i, ll j) { return item.find({i, j}) != item.end(); }; if (in(h - 1, w - 1)) { dp[h - 1][w - 1][1] = item[{h - 1, w - 1}]; } rrep(i, 0, h) rrep(j, 0, w) { if (i == h - 1 && j == w - 1) continue; if (in(i, j)) { if (j < w - 1) chmax(dp[i][j][1], item[{i, j}] + max({dp[i][j + 1][1], dp[i][j + 1][2], dp[i][j + 1][3]})); if (i < h - 1) { rep(k, 0, 3) chmax(dp[i][j][k + 1], item[{i, j}] + dp[i + 1][j][k]); } chmax(dp[i][j][1], item[{i, j}]); } if (j < w - 1) rep(k, 1, 4) chmax(dp[i][j][1], dp[i][j + 1][k]); if (i < h - 1) rep(k, 1, 4) chmax(dp[i][j][k], dp[i + 1][j][k]); } cout << *max_element(all(dp[0][0])) << endl; return 0; }
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Runtime Error
#include <algorithm> #include <cstdio> typedef long long int64; const int MAXN = 3000; int n, m, q; int a[MAXN][MAXN]; int64 f[MAXN][MAXN][4]; #define chkmax(x, y) x = std::max(x, y) int main() { // #ifndef ONLINE_JUDGE // freopen("e.in", "r", stdin); // freopen("e.out", "w", stdout); // #endif int i, j, k; int x, y; scanf("%d %d %d", &n, &m, &q); for (i = 1; i <= q; i++) { scanf("%d %d", &x, &y); scanf("%d", &a[x][y]); } for (i = 1; i <= n; i++) { for (j = 1; j <= m; j++) { for (k = 1; k < 4; k++) { chkmax(f[i][j][k], f[i - 1][j][3] + a[i][j]); chkmax(f[i][j][k], f[i][j - 1][k - 1] + a[i][j]); } for (k = 1; k < 4; k++) chkmax(f[i][j][k], f[i][j][k - 1]); for (k = 0; k < 4; k++) chkmax(f[i][j][k], f[i][j - 1][k]); } for (j = 1; j <= m; j++) for (k = 0; k < 4; k++) f[i][j][k] = std::max(f[i][j][k], f[i][j - 1][k]); } printf("%lld\n", f[n][m][3]); return 0; }
#include <algorithm> #include <cstdio> typedef long long int64; const int MAXN = 3000 + 10; int n, m, q; int a[MAXN][MAXN]; int64 f[MAXN][MAXN][4]; #define chkmax(x, y) x = std::max(x, y) int main() { // #ifndef ONLINE_JUDGE // freopen("e.in", "r", stdin); // freopen("e.out", "w", stdout); // #endif int i, j, k; int x, y; scanf("%d %d %d", &n, &m, &q); for (i = 1; i <= q; i++) { scanf("%d %d", &x, &y); scanf("%d", &a[x][y]); } for (i = 1; i <= n; i++) { for (j = 1; j <= m; j++) { for (k = 1; k < 4; k++) { chkmax(f[i][j][k], f[i - 1][j][3] + a[i][j]); chkmax(f[i][j][k], f[i][j - 1][k - 1] + a[i][j]); } for (k = 1; k < 4; k++) chkmax(f[i][j][k], f[i][j][k - 1]); for (k = 0; k < 4; k++) chkmax(f[i][j][k], f[i][j - 1][k]); } for (j = 1; j <= m; j++) for (k = 0; k < 4; k++) f[i][j][k] = std::max(f[i][j][k], f[i][j - 1][k]); } printf("%lld\n", f[n][m][3]); return 0; }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> #define ll long long using namespace std; int main() { int r, c, k; cin >> r >> c >> k; ll vec[3100][3100][4] = {}; ll p[3100][3100] = {}; for (int i = 0; i < k; i++) { int a, b; ll point; cin >> a >> b >> point; p[a][b] = point; } for (int i = 1; i <= r; i++) { for (int j = 1; j <= c; j++) { vec[i][j][0] = max(vec[i][j][0], vec[i][j - 1][0]); vec[i][j][0] = max({vec[i][j][0], vec[i - 1][j][0], vec[i - 1][j][1], vec[i - 1][j][2], vec[i - 1][j][3]}); vec[i][j][1] = max({vec[i][j][1], vec[i][j - 1][0] + p[i][j], vec[i][j - 1][1]}); vec[i][j][1] = max({vec[i][j][1], max({vec[i - 1][j][0], vec[i - 1][j][1], vec[i - 1][j][2], vec[i - 1][j][3]}) + p[i][j]}); vec[i][j][2] = max({vec[i][j][2], vec[i][j - 1][1] + p[i][j], vec[i][j - 1][2]}); // vec[i][j][2]=max({vec[i][j][2],max({vec[i][j-1][0],vec[i][j-1][1],vec[i][j-1][2],vec[i][j-1][3]})+p[i][j]}); vec[i][j][3] = max({vec[i][j][3], vec[i][j - 1][2] + p[i][j], vec[i][j - 1][3]}); // vec[i][j][3]=max({vec[i][j][1],max({vec[i][j-1][0],vec[i][j-1][1],vec[i][j-1][2],vec[i][j-1][3]})+p[i][j]}); } } cout << max(vec[r][c][0], max(vec[r][c][1], max(vec[r][c][2], vec[r][c][3]))) << endl; }
#include <bits/stdc++.h> #define ll long long using namespace std; int main() { int r, c, k; cin >> r >> c >> k; vector<vector<vector<ll>>> vec(3100, vector<vector<ll>>(3100, vector<ll>(4))); vector<vector<ll>> p(3100, vector<ll>(3100)); for (int i = 0; i < 3100; i++) { for (int j = 0; j < 3100; j++) { vec[i][j][0] = 0; vec[i][j][1] = 0; vec[i][j][2] = 0; vec[i][j][3] = 0; p[i][j] = 0; } } for (int i = 0; i < k; i++) { int a, b; ll point; cin >> a >> b >> point; p[a][b] = point; } for (int i = 1; i <= r; i++) { for (int j = 1; j <= c; j++) { vec[i][j][0] = max(vec[i][j][0], vec[i][j - 1][0]); vec[i][j][0] = max({vec[i][j][0], vec[i - 1][j][0], vec[i - 1][j][1], vec[i - 1][j][2], vec[i - 1][j][3]}); vec[i][j][1] = max({vec[i][j][1], vec[i][j - 1][0] + p[i][j], vec[i][j - 1][1]}); vec[i][j][1] = max({vec[i][j][1], max({vec[i - 1][j][0], vec[i - 1][j][1], vec[i - 1][j][2], vec[i - 1][j][3]}) + p[i][j]}); vec[i][j][2] = max({vec[i][j][2], vec[i][j - 1][1] + p[i][j], vec[i][j - 1][2]}); // vec[i][j][2]=max({vec[i][j][2],max({vec[i][j-1][0],vec[i][j-1][1],vec[i][j-1][2],vec[i][j-1][3]})+p[i][j]}); vec[i][j][3] = max({vec[i][j][3], vec[i][j - 1][2] + p[i][j], vec[i][j - 1][3]}); // vec[i][j][3]=max({vec[i][j][1],max({vec[i][j-1][0],vec[i][j-1][1],vec[i][j-1][2],vec[i][j-1][3]})+p[i][j]}); } } cout << max(vec[r][c][0], max(vec[r][c][1], max(vec[r][c][2], vec[r][c][3]))) << endl; }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; i++) #define Rep(i, n) for (int i = 1; i <= n; i++) #define sz(x) int(x.size()) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define YesorNo(a) printf(a ? "Yes\n" : "No\n") #define endl '\n' #define fi first #define se second using ll = long long; using P = pair<int, int>; using Pl = pair<ll, ll>; template <class T> using V = vector<T>; const int dx[] = {0, 1, 0, -1, 1, 1, -1, -1}; const int dy[] = {1, 0, -1, 0, 1, -1, -1, 1}; const int inf = (1 << 30) - 1; const ll infll = (1LL << 62) - 1; ll ceil(const ll &a, const ll &b) { return ((a) + (b)-1) / b; } 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; } // dp[i][j][cnt] = 座標(i,j), i行目でcnt個拾うときの価値の最大値 ll dp[3010][3010][4] = {}; int main() { int h, w, k; cin >> h >> w >> k; V<V<int>> v(h + 1, V<int>(w + 1)); rep(i, k) { int y, x; cin >> y >> x; int c; cin >> c; v[y][x] = c; } rep(i, h + 1) rep(j, w + 1) rep(l, 4) { { // ↑ int ny = i + dy[0]; int nx = j + dx[0]; chmax(dp[ny][nx][0], dp[i][j][l]); chmax(dp[ny][nx][1], dp[i][j][l] + v[ny][nx]); } { // → int ny = i + dy[1]; int nx = j + dx[1]; chmax(dp[ny][nx][l], dp[i][j][l]); if (l < 3) chmax(dp[ny][nx][l + 1], dp[i][j][l] + v[ny][nx]); } } ll ans = 0; rep(l, 4) { chmax(ans, dp[h][w][l]); } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; i++) #define Rep(i, n) for (int i = 1; i <= n; i++) #define sz(x) int(x.size()) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define YesorNo(a) printf(a ? "Yes\n" : "No\n") #define endl '\n' #define fi first #define se second using ll = long long; using P = pair<int, int>; using Pl = pair<ll, ll>; template <class T> using V = vector<T>; const int dx[] = {0, 1, 0, -1, 1, 1, -1, -1}; const int dy[] = {1, 0, -1, 0, 1, -1, -1, 1}; const int inf = (1 << 30) - 1; const ll infll = (1LL << 62) - 1; ll ceil(const ll &a, const ll &b) { return ((a) + (b)-1) / b; } 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; } // dp[i][j][cnt] = 座標(i,j), i行目でcnt個拾うときの価値の最大値 ll dp[3010][3010][4] = {}; int main() { int h, w, k; cin >> h >> w >> k; V<V<int>> v(h + 2, V<int>(w + 2)); rep(i, k) { int y, x; cin >> y >> x; int c; cin >> c; v[y][x] = c; } rep(i, h + 1) rep(j, w + 1) rep(l, 4) { { // ↑ int ny = i + dy[0]; int nx = j + dx[0]; chmax(dp[ny][nx][0], dp[i][j][l]); chmax(dp[ny][nx][1], dp[i][j][l] + v[ny][nx]); } { // → int ny = i + dy[1]; int nx = j + dx[1]; chmax(dp[ny][nx][l], dp[i][j][l]); if (l < 3) chmax(dp[ny][nx][l + 1], dp[i][j][l] + v[ny][nx]); } } ll ans = 0; rep(l, 4) { chmax(ans, dp[h][w][l]); } cout << ans << endl; }
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p02586
C++
Time Limit Exceeded
#include <algorithm> #include <cctype> #include <climits> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; using ll = long long int; using ii = pair<int, int>; using vi = vector<ll>; using vii = vector<ii>; using vvi = vector<vi>; using vvvi = vector<vvi>; #define mp(a, b) make_pair(a, b) const int MOD = 1000 * 1000 * 1000 + 7; ll dp(int x, int y, int it, vvi const &mat, vvvi &marcaje) { if (y >= mat.size()) return 0; else if (x >= mat[0].size()) return 0; else if (marcaje[y][x][it] != -1) return marcaje[y][x][it]; else { // No hay item, vamos para la derecha o para abajo if (mat[y][x] == 0) { ll s1 = dp(x + 1, y, it, mat, marcaje); ll s2 = dp(x, y + 1, 0, mat, marcaje); marcaje[y][x][it] = max(s1, s2); return marcaje[y][x][it]; } else { // Podemos o coger el ítem o no cogerlo // Cogemos el item // Vamos hacia la derecha si podemos ll s1 = 0; if (it < 2) s1 = dp(x + 1, y, it + 1, mat, marcaje) + mat[y][x]; // Vamos hacia abajo ll s2 = dp(x, y + 1, 0, mat, marcaje) + mat[y][x]; // No lo cogemos ll s3 = dp(x + 1, y, it, mat, marcaje); ll s4 = dp(x, y + 1, 0, mat, marcaje); marcaje[y][x][it] = max({s1, s2, s3, s4}); return marcaje[y][x][it]; } } } int main() { int r, c, k; cin >> r >> c >> k; vvi mat(r, vi(c)); for (int i = 0; i < k; ++i) { int fil, col, val; cin >> fil >> col >> val; mat[fil - 1][col - 1] = val; } vvvi marcaje(r, vvi(c, vi(4, -1))); cout << dp(0, 0, 0, mat, marcaje) << '\n'; return 0; }
#include <algorithm> #include <cctype> #include <climits> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; using ll = long long int; using ii = pair<int, int>; using vi = vector<ll>; using vii = vector<ii>; using vvi = vector<vi>; using vvvi = vector<vvi>; #define mp(a, b) make_pair(a, b) const int MOD = 1000 * 1000 * 1000 + 7; ll dp(int x, int y, int it, vvi const &mat, vvvi &marcaje) { if (y >= mat.size()) return 0; else if (x >= mat[0].size()) return 0; else if (marcaje[y][x][it] != -1) return marcaje[y][x][it]; else { // No hay item, vamos para la derecha o para abajo if (mat[y][x] == 0) { ll s1 = dp(x + 1, y, it, mat, marcaje); ll s2 = dp(x, y + 1, 0, mat, marcaje); marcaje[y][x][it] = max(s1, s2); return marcaje[y][x][it]; } else { // Podemos o coger el ítem o no cogerlo // Cogemos el item // Vamos hacia la derecha si podemos ll s1 = 0; if (it < 2) s1 = dp(x + 1, y, it + 1, mat, marcaje) + mat[y][x]; // Vamos hacia abajo ll s2 = dp(x, y + 1, 0, mat, marcaje) + mat[y][x]; // No lo cogemos ll s3 = dp(x + 1, y, it, mat, marcaje); ll s4 = dp(x, y + 1, 0, mat, marcaje); marcaje[y][x][it] = max({s1, s2, s3, s4}); return marcaje[y][x][it]; } } } int main() { cin.tie(NULL); ios_base::sync_with_stdio(false); int r, c, k; cin >> r >> c >> k; vvi mat(r, vi(c)); for (int i = 0; i < k; ++i) { int fil, col, val; cin >> fil >> col >> val; mat[fil - 1][col - 1] = val; } vvvi marcaje(r, vvi(c, vi(4, -1))); cout << dp(0, 0, 0, mat, marcaje) << '\n'; return 0; }
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TLE
p02586
C++
Runtime Error
#include <bits/stdc++.h> #define pb push_back #define F first #define S second #define all(x) x.begin(), x.end() using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; const ll N = 2e3 + 30, Mod = 1e9 + 7; const ll SQ = 330; ll dp[N][N][4], n, m, k, a[N][N]; int main() { ios::sync_with_stdio(0), cin.tie(0); cin >> n >> m >> k; for (int i = 1; i <= k; i++) { ll x, y, v; cin >> x >> y >> v; a[x][y] += v; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { for (int x = 0; x <= 3; x++) { ll res = 0; for (int y = 0; y <= 3; y++) { res = max(res, dp[i - 1][j][y]); } res = max(res, dp[i][j - 1][x]); dp[i][j][x] = res; if (!x) continue; res = 0; for (int y = 0; y <= 3; y++) res = max(res, dp[i - 1][j][y]); res = max(res, dp[i][j - 1][x - 1]); dp[i][j][x] = max(res + a[i][j], dp[i][j][x]); } } } cout << max({dp[n][m][1], dp[n][m][3], dp[n][m][2], dp[n][m][0]}); }
#include <bits/stdc++.h> #define pb push_back #define F first #define S second #define all(x) x.begin(), x.end() using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; const ll N = 3e3 + 30, Mod = 1e9 + 7; const ll SQ = 330; ll dp[N][N][4], n, m, k, a[N][N]; int main() { ios::sync_with_stdio(0), cin.tie(0); cin >> n >> m >> k; for (int i = 1; i <= k; i++) { ll x, y, v; cin >> x >> y >> v; a[x][y] += v; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { for (int x = 0; x <= 3; x++) { ll res = 0; for (int y = 0; y <= 3; y++) { res = max(res, dp[i - 1][j][y]); } res = max(res, dp[i][j - 1][x]); dp[i][j][x] = res; if (!x) continue; res = 0; for (int y = 0; y <= 3; y++) res = max(res, dp[i - 1][j][y]); res = max(res, dp[i][j - 1][x - 1]); dp[i][j][x] = max(res + a[i][j], dp[i][j][x]); } } } cout << max({dp[n][m][1], dp[n][m][3], dp[n][m][2], dp[n][m][0]}); }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long int ll; const ll MOD = 1e9 + 7; ll R, C; ll dp[3000][3000][4]; // dp[i][j][picked] : denotes the max value picked from (i,j) to (R,C) with the // constraints given ll rec(int i, int j, int picked, vector<vector<ll>> &grid) { if (i > R || i < 1 || j > C || j < 1) return 0; if (dp[i][j][picked] != -1) return dp[i][j][picked]; dp[i][j][picked] = max(dp[i][j][picked], rec(i + 1, j, 0, grid)); if (picked < 3) dp[i][j][picked] = max(dp[i][j][picked], grid[i][j] + rec(i + 1, j, 0, grid)); dp[i][j][picked] = max(dp[i][j][picked], rec(i, j + 1, picked, grid)); if (picked < 3) dp[i][j][picked] = max(dp[i][j][picked], rec(i, j + 1, picked + 1, grid) + grid[i][j]); return dp[i][j][picked]; } void solve() { ll K; cin >> R >> C >> K; vector<vector<ll>> grid(R + 1, vector<ll>(C + 1, 0)); memset(dp, -1, sizeof(dp)); for (ll i = 0; i < K; i++) { ll r, c, v; cin >> r >> c >> v; grid[r][c] = v; } cout << rec(1, 1, 0, grid) << "\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; const ll MOD = 1e9 + 7; ll R, C; ll dp[3001][3001][4]; // dp[i][j][picked] : denotes the max value picked from (i,j) to (R,C) with the // constraints given ll rec(int i, int j, int picked, vector<vector<ll>> &grid) { if (i > R || i < 1 || j > C || j < 1) return 0; if (dp[i][j][picked] != -1) return dp[i][j][picked]; dp[i][j][picked] = max(dp[i][j][picked], rec(i + 1, j, 0, grid)); if (picked < 3) dp[i][j][picked] = max(dp[i][j][picked], grid[i][j] + rec(i + 1, j, 0, grid)); dp[i][j][picked] = max(dp[i][j][picked], rec(i, j + 1, picked, grid)); if (picked < 3) dp[i][j][picked] = max(dp[i][j][picked], rec(i, j + 1, picked + 1, grid) + grid[i][j]); return dp[i][j][picked]; } void solve() { ll K; cin >> R >> C >> K; vector<vector<ll>> grid(R + 1, vector<ll>(C + 1, 0)); memset(dp, -1, sizeof(dp)); for (ll i = 0; i < K; i++) { ll r, c, v; cin >> r >> c >> v; grid[r][c] = v; } cout << rec(1, 1, 0, grid) << "\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); solve(); return 0; }
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p02586
C++
Runtime Error
// #pragma comment(linker, "/stack:200000000") // #pragma GCC optimize("Ofast") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #include <bits/stdc++.h> using namespace std; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; //========================TypeDefs=================================== typedef long long int ll; typedef unsigned long long int ull; typedef long double ldb; typedef pair<ll, ll> pll; typedef pair<int, int> pii; typedef pair<int, ll> pil; //=========================MACROS==================================== #define pb push_back #define popb pop_back() #define pf push_front #define popf pop_front() #define si size() #define be begin() #define en end() #define all(v) v.be, v.en #define le length() #define mp make_pair #define mt make_tuple #define acc(v) accumulate(all(v), 0) #define fi first #define se second #define vi vector<int> #define vll vector<ll> #define vpll vector<pair<ll, ll>> #define vvi vector<vector<int>> #define vvll vector<vll> #define mli map<ll, int> #define mll map<ll, ll> #define forz(i, n) for (int i = 0; i < n; i++) #define fora(i, m, n) for (int i = m; i < n; i++) #define rforz(i, n) for (int i = n - 1; i >= 0; i--) #define rfora(i, n, m) for (int i = n; i >= m; i--) #define deci(n) fixed << setprecision(n) #define high(n) __builtin_popcount(n) #define highll(n) __builtin_popcountll(n) #define parity(n) __builtin_parity(n) #define clz(n) __builtin_clz(n) #define clzll(n) __builtin_clzll(n) #define ctz(n) __builtin_ctz(n) #define bset(a, p) ((a) | (1ll << (p))) #define bchk(a, p) ((a) & (1ll << (p))) #define bxor(a, p) ((a) ^ (1ll << (p))); #define brem(a, p) (bchk(a, p) ? (bxor(a, p)) : (a)) #define lb lower_bound #define ub upper_bound #define er equal_range #define findnot find_first_not_of #define maxe *max_element #define mine *min_element #define MOD 1000000007 #define MOD2 998244353 #define PI 3.1415926535897932384 #define INF LLONG_MAX #define gcd __gcd #define fastio ios::sync_with_stdio(0), cin.tie(0), cout.tie(0) #define endl "\n" #define P0(a) cout << a << " " #define P1(a) cout << a << endl #define P2(a, b) cout << a << " " << b << endl #define P3(a, b, c) cout << a << " " << b << " " << c << endl #define P4(a, b, c, d) cout << a << " " << b << " " << c << " " << d << endl #define oset \ tree<int, null_type, less<int>, rb_tree_tag, \ tree_order_statistics_node_update> #define osetlli \ tree<lli, null_type, less<lli>, rb_tree_tag, \ tree_order_statistics_node_update> #define ofk order_of_key #define fbo find_by_order // member functions : // 1. order_of_key(k) : number of elements sbtriectly lesser than k // 2. find_by_order(k) : k-th element in the set //==============================FUNCTIONS=========================================== auto clk = clock(); mt19937_64 rang(chrono::high_resolution_clock::now().time_since_epoch().count()); void run_time() { #ifdef local cout << endl; cout << "Time elapsed: " << (double)(clock() - clk) / CLOCKS_PER_SEC << endl; #endif return; } inline ll power(ll x, ll y, ll p = MOD) { ll res = 1; x = x % p; while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; x = (x * x) % p; } return res; } void SieveOfEratosthenes(ll n) { // Create a boolean array "prime[0..n]" and initialize // all entries it as true. A value in prime[i] will // finally be false if i is Not a prime, else true. bool prime[n + 1]; memset(prime, true, sizeof(prime)); for (ll p = 2; p * p <= n; p++) { // If prime[p] is not changed, then it is a prime if (prime[p] == true) { // Update all multiples of p greater than or // equal to the square of it // numbers which are multiple of p and are // less than p^2 are already been marked. for (ll i = p * p; i <= n; i += p) prime[i] = false; } } // Print all prime numbers for (ll p = 2; p <= n; p++) if (prime[p]) cout << p << " "; } inline ll modadd(ll a, ll b, ll m = MOD) { a += b; if (a >= m) a -= m; return a; } inline ll modmul(ll a, ll b, ll m = MOD) { return ((a % m) * (b % m)) % m; } inline ll modi(ll a, ll m = MOD) { return power(a, m - 2, m); } long long int inverse(long long int i, ll m = MOD) { if (i == 1) return 1; return (m - ((m / i) * inverse(m % i)) % m + m) % m; } //================================CODE============================================= int main() { fastio; ll r, c, k, a, b, m; cin >> r >> c >> k; ll dp[3001][4][3001] = {0}; vvll v(r, vll(c, 0)); fora(i, 0, k) { cin >> a >> b >> m; v[a - 1][b - 1] = m; } fora(i, 1, r + 1) { fora(cn, 0, 4) { fora(j, 1, c + 1) { if (cn != 0) { if (cn != 1) dp[i][cn][j] = max({dp[i][cn][j], dp[i][cn][j - 1], dp[i][cn - 1][j - 1] + v[i - 1][j - 1]}); else { dp[i][cn][j] = max({dp[i][cn][j], dp[i][cn][j - 1], dp[i][cn - 1][j - 1] + v[i - 1][j - 1], max({dp[i - 1][0][j], dp[i - 1][1][j], dp[i - 1][2][j], dp[i - 1][3][j]}) + v[i - 1][j - 1]}); } } else { dp[i][cn][j] = max({dp[i][cn][j], max({dp[i - 1][0][j], dp[i - 1][1][j], dp[i - 1][2][j], dp[i - 1][3][j]}), dp[i][cn][j - 1]}); } } } } cout << max({dp[r][0][c], dp[r][1][c], dp[r][2][c], dp[r][3][c]}) << endl; run_time(); return 0; }
// #pragma comment(linker, "/stack:200000000") // #pragma GCC optimize("Ofast") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #include <bits/stdc++.h> using namespace std; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; //========================TypeDefs=================================== typedef long long int ll; typedef unsigned long long int ull; typedef long double ldb; typedef pair<ll, ll> pll; typedef pair<int, int> pii; typedef pair<int, ll> pil; //=========================MACROS==================================== #define pb push_back #define popb pop_back() #define pf push_front #define popf pop_front() #define si size() #define be begin() #define en end() #define all(v) v.be, v.en #define le length() #define mp make_pair #define mt make_tuple #define acc(v) accumulate(all(v), 0) #define fi first #define se second #define vi vector<int> #define vll vector<ll> #define vpll vector<pair<ll, ll>> #define vvi vector<vector<int>> #define vvll vector<vll> #define mli map<ll, int> #define mll map<ll, ll> #define forz(i, n) for (int i = 0; i < n; i++) #define fora(i, m, n) for (int i = m; i < n; i++) #define rforz(i, n) for (int i = n - 1; i >= 0; i--) #define rfora(i, n, m) for (int i = n; i >= m; i--) #define deci(n) fixed << setprecision(n) #define high(n) __builtin_popcount(n) #define highll(n) __builtin_popcountll(n) #define parity(n) __builtin_parity(n) #define clz(n) __builtin_clz(n) #define clzll(n) __builtin_clzll(n) #define ctz(n) __builtin_ctz(n) #define bset(a, p) ((a) | (1ll << (p))) #define bchk(a, p) ((a) & (1ll << (p))) #define bxor(a, p) ((a) ^ (1ll << (p))); #define brem(a, p) (bchk(a, p) ? (bxor(a, p)) : (a)) #define lb lower_bound #define ub upper_bound #define er equal_range #define findnot find_first_not_of #define maxe *max_element #define mine *min_element #define MOD 1000000007 #define MOD2 998244353 #define PI 3.1415926535897932384 #define INF LLONG_MAX #define gcd __gcd #define fastio ios::sync_with_stdio(0), cin.tie(0), cout.tie(0) #define endl "\n" #define P0(a) cout << a << " " #define P1(a) cout << a << endl #define P2(a, b) cout << a << " " << b << endl #define P3(a, b, c) cout << a << " " << b << " " << c << endl #define P4(a, b, c, d) cout << a << " " << b << " " << c << " " << d << endl #define oset \ tree<int, null_type, less<int>, rb_tree_tag, \ tree_order_statistics_node_update> #define osetlli \ tree<lli, null_type, less<lli>, rb_tree_tag, \ tree_order_statistics_node_update> #define ofk order_of_key #define fbo find_by_order // member functions : // 1. order_of_key(k) : number of elements sbtriectly lesser than k // 2. find_by_order(k) : k-th element in the set //==============================FUNCTIONS=========================================== auto clk = clock(); mt19937_64 rang(chrono::high_resolution_clock::now().time_since_epoch().count()); void run_time() { #ifdef local cout << endl; cout << "Time elapsed: " << (double)(clock() - clk) / CLOCKS_PER_SEC << endl; #endif return; } inline ll power(ll x, ll y, ll p = MOD) { ll res = 1; x = x % p; while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; x = (x * x) % p; } return res; } void SieveOfEratosthenes(ll n) { // Create a boolean array "prime[0..n]" and initialize // all entries it as true. A value in prime[i] will // finally be false if i is Not a prime, else true. bool prime[n + 1]; memset(prime, true, sizeof(prime)); for (ll p = 2; p * p <= n; p++) { // If prime[p] is not changed, then it is a prime if (prime[p] == true) { // Update all multiples of p greater than or // equal to the square of it // numbers which are multiple of p and are // less than p^2 are already been marked. for (ll i = p * p; i <= n; i += p) prime[i] = false; } } // Print all prime numbers for (ll p = 2; p <= n; p++) if (prime[p]) cout << p << " "; } inline ll modadd(ll a, ll b, ll m = MOD) { a += b; if (a >= m) a -= m; return a; } inline ll modmul(ll a, ll b, ll m = MOD) { return ((a % m) * (b % m)) % m; } inline ll modi(ll a, ll m = MOD) { return power(a, m - 2, m); } long long int inverse(long long int i, ll m = MOD) { if (i == 1) return 1; return (m - ((m / i) * inverse(m % i)) % m + m) % m; } //================================CODE============================================= int main() { fastio; ll r, c, k, a, b, m; cin >> r >> c >> k; vector<vvll> dp(3001, vvll(4, vll(3001, 0))); vvll v(r, vll(c, 0)); fora(i, 0, k) { cin >> a >> b >> m; v[a - 1][b - 1] = m; } fora(i, 1, r + 1) { fora(cn, 0, 4) { fora(j, 1, c + 1) { if (cn != 0) { if (cn != 1) dp[i][cn][j] = max({dp[i][cn][j], dp[i][cn][j - 1], dp[i][cn - 1][j - 1] + v[i - 1][j - 1]}); else { dp[i][cn][j] = max({dp[i][cn][j], dp[i][cn][j - 1], dp[i][cn - 1][j - 1] + v[i - 1][j - 1], max({dp[i - 1][0][j], dp[i - 1][1][j], dp[i - 1][2][j], dp[i - 1][3][j]}) + v[i - 1][j - 1]}); } } else { dp[i][cn][j] = max({dp[i][cn][j], max({dp[i - 1][0][j], dp[i - 1][1][j], dp[i - 1][2][j], dp[i - 1][3][j]}), dp[i][cn][j - 1]}); } } } } cout << max({dp[r][0][c], dp[r][1][c], dp[r][2][c], dp[r][3][c]}) << endl; run_time(); return 0; }
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p02586
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Runtime Error
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { cin.tie(0); ios::sync_with_stdio(false); int r, c, k; cin >> r >> c >> k; vector<vector<ll>> item(r, vector<ll>(c)); ll dp[3100][3100][4]; for (int i = 0; i < r + 100; i++) { for (int j = 0; j < c + 100; j++) { for (int ii = 0; ii < 4; ii++) { dp[i][j][ii] = 0; } } } for (int i = 0; i < k; i++) { ll x, y, z; cin >> x >> y >> z; x--; y--; item[x][y] = z; } for (int i = 0; i < r; i++) { for (int j = 0; j < c; j++) { for (int ii = 0; ii < 4; ii++) { if (item[i][j] == 0) { dp[i][j + 1][ii] = max(dp[i][j + 1][ii], dp[i][j][ii]); dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][ii]); } else { dp[i][j + 1][ii] = max(dp[i][j + 1][ii], dp[i][j][ii]); dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][ii]); if (ii < 3) { dp[i][j + 1][ii + 1] = max(dp[i][j + 1][ii + 1], dp[i][j][ii] + item[i][j]); dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][ii] + item[i][j]); } } } } } ll ans = 0; for (int i = 0; i <= r; i++) { for (int j = 0; j <= c; j++) { for (int ii = 0; ii < 4; ii++) { ans = max(ans, dp[i][j][ii]); } } } cout << ans << '\n'; }
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { cin.tie(0); ios::sync_with_stdio(false); int r, c, k; cin >> r >> c >> k; vector<vector<ll>> item(r, vector<ll>(c)); vector<vector<vector<ll>>> dp(r + 100, vector<vector<ll>>(c + 100, vector<ll>(4, 0))); /* ll dp[3100][3100][4]; for (int i = 0; i < r + 100; i++) { for (int j = 0; j < c + 100; j++) { for (int ii = 0; ii < 4; ii++) { dp[i][j][ii] = 0; } } }*/ for (int i = 0; i < k; i++) { ll x, y, z; cin >> x >> y >> z; x--; y--; item[x][y] = z; } for (int i = 0; i < r; i++) { for (int j = 0; j < c; j++) { for (int ii = 0; ii < 4; ii++) { if (item[i][j] == 0) { dp[i][j + 1][ii] = max(dp[i][j + 1][ii], dp[i][j][ii]); dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][ii]); } else { dp[i][j + 1][ii] = max(dp[i][j + 1][ii], dp[i][j][ii]); dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][ii]); if (ii < 3) { dp[i][j + 1][ii + 1] = max(dp[i][j + 1][ii + 1], dp[i][j][ii] + item[i][j]); dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][ii] + item[i][j]); } } } } } ll ans = 0; for (int i = 0; i <= r; i++) { for (int j = 0; j <= c; j++) { for (int ii = 0; ii < 4; ii++) { ans = max(ans, dp[i][j][ii]); } } } cout << ans << '\n'; }
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p02586
C++
Runtime Error
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <cstring> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; #define ll long long #define all(v) (v).begin(), (v).end() #define vi vector<ll> #define vii vector<pair<ll, ll>> #define ii pair<ll, ll> #define sz(v) ((int)((v).size())) #define lp(i, a, b) for (int i = a; i < b; i++) #define pb push_back #define pf push_front #define F first #define S second #define endl "\n" #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); const double PI = 3.14159265358979323846; const ll inf = 2e9, MOD = 998244353, MAX = 3e2 + 2; int r, c, k, grid[MAX][MAX]; ll dp[MAX][MAX][4]; ll sol(int x, int y, int cnt) { if (x >= r || y >= c) return -1e15; if (x == r - 1 && y == c - 1) { if (cnt < 3) return grid[r - 1][c - 1]; return 0; } ll &ret = dp[x][y][cnt]; if (~ret) return ret; ret = 0; if (cnt < 3) { ret = max(sol(x, y + 1, cnt + (grid[x][y] != 0)) + grid[x][y], max(ret, sol(x + 1, y, 0) + grid[x][y])); } ret = max(ret, max(sol(x + 1, y, 0), sol(x, y + 1, cnt))); return ret; } int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif IOS; cin >> r >> c >> k; lp(i, 0, k) { int a, b, v; cin >> a >> b >> v; grid[a - 1][b - 1] = v; } memset(dp, -1, sizeof(dp)); cout << sol(0, 0, 0); }
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <cstring> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; #define ll long long #define all(v) (v).begin(), (v).end() #define vi vector<ll> #define vii vector<pair<ll, ll>> #define ii pair<ll, ll> #define sz(v) ((int)((v).size())) #define lp(i, a, b) for (int i = a; i < b; i++) #define pb push_back #define pf push_front #define F first #define S second #define endl "\n" #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); const double PI = 3.14159265358979323846; const ll inf = 2e9, MOD = 998244353, MAX = 3e3 + 2; int r, c, k, grid[MAX][MAX]; ll dp[MAX][MAX][4]; ll sol(int x, int y, int cnt) { if (x >= r || y >= c) return -1e15; if (x == r - 1 && y == c - 1) { if (cnt < 3) return grid[r - 1][c - 1]; return 0; } ll &ret = dp[x][y][cnt]; if (~ret) return ret; ret = 0; if (cnt < 3) { ret = max(sol(x, y + 1, cnt + (grid[x][y] != 0)) + grid[x][y], max(ret, sol(x + 1, y, 0) + grid[x][y])); } ret = max(ret, max(sol(x + 1, y, 0), sol(x, y + 1, cnt))); return ret; } int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif IOS; cin >> r >> c >> k; lp(i, 0, k) { int a, b, v; cin >> a >> b >> v; grid[a - 1][b - 1] = v; } memset(dp, -1, sizeof(dp)); cout << sol(0, 0, 0); }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef vector<int> vi; typedef set<int> si; typedef set<ll> sll; typedef vector<ll> vll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define pvec(v) \ for (auto e : v) \ cout << e << " "; #define IO \ ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define rep(i, a, b) for (int i = (a); i < (b); ++i) #define pb push_back #define INF 10000000000000005 #define MOD 1000000007 #define all(v) v.begin(), v.end() void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) ll power(ll x, ll y, ll p = MOD) { ll res = 1LL; x = x % p; if (x == 0) return 0; while (y > 0) { if (y & 1LL) res = (res * x) % p; y = y >> 1LL; x = (x * x) % p; } return res; } ll dp[100][100][4]; int r, c, k; bool valid(int x, int y) { if (x < 0 || y < 0 || x >= r || y >= c) return false; return true; } int main() { // IO cin >> r >> c >> k; ll arr[r][c]; memset(arr, 0LL, sizeof(arr)); int x, y; ll v; bool p = false; for (int i = 0; i < k; ++i) { cin >> x >> y >> v; --x; --y; if (x == 0 && y == 0) { p = true; } arr[x][y] = v; } for (int i = 0; i < r; ++i) { for (int j = 0; j < c; ++j) { for (int k = 0; k < 4; ++k) { dp[i][j][k] = -INF; } } } dp[0][0][0] = 0; for (int i = 0; i < r; ++i) { for (int j = 0; j < c; ++j) { if (arr[i][j]) { for (int k = 2; k >= 0; --k) { dp[i][j][k + 1] = max(dp[i][j][k + 1], dp[i][j][k] + arr[i][j]); } } for (int k = 0; k < 4; ++k) { dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); } } } ll mx = 0; for (int i = 0; i < 4; ++i) { mx = max(mx, dp[r - 1][c - 1][i]); } cout << mx << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef vector<int> vi; typedef set<int> si; typedef set<ll> sll; typedef vector<ll> vll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define pvec(v) \ for (auto e : v) \ cout << e << " "; #define IO \ ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define rep(i, a, b) for (int i = (a); i < (b); ++i) #define pb push_back #define INF 10000000000000005 #define MOD 1000000007 #define all(v) v.begin(), v.end() void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) ll power(ll x, ll y, ll p = MOD) { ll res = 1LL; x = x % p; if (x == 0) return 0; while (y > 0) { if (y & 1LL) res = (res * x) % p; y = y >> 1LL; x = (x * x) % p; } return res; } ll dp[3005][3005][4]; int r, c, k; bool valid(int x, int y) { if (x < 0 || y < 0 || x >= r || y >= c) return false; return true; } int main() { // IO cin >> r >> c >> k; ll arr[r][c]; memset(arr, 0LL, sizeof(arr)); int x, y; ll v; bool p = false; for (int i = 0; i < k; ++i) { cin >> x >> y >> v; --x; --y; if (x == 0 && y == 0) { p = true; } arr[x][y] = v; } for (int i = 0; i < r; ++i) { for (int j = 0; j < c; ++j) { for (int k = 0; k < 4; ++k) { dp[i][j][k] = -INF; } } } dp[0][0][0] = 0; for (int i = 0; i < r; ++i) { for (int j = 0; j < c; ++j) { if (arr[i][j]) { for (int k = 2; k >= 0; --k) { dp[i][j][k + 1] = max(dp[i][j][k + 1], dp[i][j][k] + arr[i][j]); } } for (int k = 0; k < 4; ++k) { dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); } } } ll mx = 0; for (int i = 0; i < 4; ++i) { mx = max(mx, dp[r - 1][c - 1][i]); } cout << mx << endl; return 0; }
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p02586
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, srt, end) for (long long i = (srt); i < (long long)(end); i++) #define VL vector<ll> #define VS vector<string> #define VB vector<bool> #define VP vector<pair<ll, ll>> #define VVL vector<vector<ll>> #define VVP vector<vector<pair<ll, ll>>> #define PL pair<ll, ll> #define ALL(v) (v).begin(), (v).end() ll d1[4] = {1, -1, 0, 0}; ll d2[4] = {0, 0, 1, -1}; // ll dp[3010][3010][5]; vector<VVL> dp(5, VVL(3010, VL(3010, 0))); ll tbl[3010][3010]; void init() { rep(i, 0, 3010) rep(j, 0, 3010) { // rep(k, 0, 5) dp[i][j][k] = 0; tbl[i][j] = 0; } } int main() { init(); // input ll R, C, K; cin >> R >> C >> K; VL r(K), c(K), v(K); rep(i, 0, K) { cin >> r[i] >> c[i] >> v[i]; tbl[r[i] - 1][c[i] - 1] = v[i]; } rep(i, 0, R + 1) { rep(j, 0, C + 1) { // (i, j) -> (i+1, j) if (i < R) { // i, j で取らない rep(k, 0, 4) dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); // i, j で取る rep(k, 0, 3) dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k] + tbl[i][j]); } // (i, j) -> (i, j+1) if (j < C) { // i, jで取らない rep(k, 0, 4) dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); // i, jで取る rep(k, 0, 3) dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k] + tbl[i][j]); } } } ll ans = 0; rep(i, 0, 4) ans = max(dp[R][C][i], ans); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, srt, end) for (long long i = (srt); i < (long long)(end); i++) #define VL vector<ll> #define VS vector<string> #define VB vector<bool> #define VP vector<pair<ll, ll>> #define VVL vector<vector<ll>> #define VVP vector<vector<pair<ll, ll>>> #define PL pair<ll, ll> #define ALL(v) (v).begin(), (v).end() ll d1[4] = {1, -1, 0, 0}; ll d2[4] = {0, 0, 1, -1}; // ll dp[3010][3010][5]; vector<VVL> dp(3010, VVL(3010, VL(5, 0))); ll tbl[3010][3010]; void init() { rep(i, 0, 3010) rep(j, 0, 3010) { // rep(k, 0, 5) dp[i][j][k] = 0; tbl[i][j] = 0; } } int main() { init(); // input ll R, C, K; cin >> R >> C >> K; VL r(K), c(K), v(K); rep(i, 0, K) { cin >> r[i] >> c[i] >> v[i]; tbl[r[i] - 1][c[i] - 1] = v[i]; } rep(i, 0, R + 1) { rep(j, 0, C + 1) { // (i, j) -> (i+1, j) if (i < R) { // i, j で取らない rep(k, 0, 4) dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k]); // i, j で取る rep(k, 0, 3) dp[i + 1][j][0] = max(dp[i + 1][j][0], dp[i][j][k] + tbl[i][j]); } // (i, j) -> (i, j+1) if (j < C) { // i, jで取らない rep(k, 0, 4) dp[i][j + 1][k] = max(dp[i][j + 1][k], dp[i][j][k]); // i, jで取る rep(k, 0, 3) dp[i][j + 1][k + 1] = max(dp[i][j + 1][k + 1], dp[i][j][k] + tbl[i][j]); } } } ll ans = 0; rep(i, 0, 4) ans = max(dp[R][C][i], ans); cout << ans << endl; return 0; }
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terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc
p02586
C++
Time Limit Exceeded
#include <algorithm> #include <cassert> #include <cmath> #include <iomanip> #include <iostream> #include <limits.h> #include <map> #include <queue> #include <set> #include <string.h> #include <vector> using namespace std; typedef long long ll; int main() { int R, C, K; cin >> R >> C >> K; map<int, map<int, ll>> goods; int r, c, v; for (int i = 0; i < K; ++i) { cin >> r >> c >> v; goods[r - 1][c - 1] = v; } ll dp[2][C][4]; memset(dp, 0, sizeof(dp)); for (int y = 0; y < R; ++y) { int cy = y % 2; int by = (y + 1) % 2; for (int x = 0; x < C; ++x) { ll mv = LLONG_MIN; for (int c = 0; c <= 3; ++c) { mv = max(mv, dp[by][x][c]); } dp[cy][x][0] = mv; if (goods[y][x] > 0) { dp[cy][x][1] = mv + goods[y][x]; } } for (int x = 1; x < C; ++x) { for (int c = 0; c <= 3; ++c) { dp[cy][x][c] = max(dp[cy][x][c], dp[cy][x - 1][c]); if (c < 3 && goods[y][x] > 0) { dp[cy][x][c + 1] = max(dp[cy][x][c + 1], dp[cy][x - 1][c] + goods[y][x]); } } } } ll ans = LLONG_MIN; for (int c = 0; c <= 3; ++c) { ans = max(ans, dp[(R - 1) % 2][C - 1][c]); } cout << ans << endl; return 0; }
#include <algorithm> #include <cassert> #include <cmath> #include <iomanip> #include <iostream> #include <limits.h> #include <map> #include <queue> #include <set> #include <string.h> #include <vector> using namespace std; typedef long long ll; int main() { int R, C, K; cin >> R >> C >> K; int goods[R][C]; memset(goods, 0, sizeof(goods)); // map<int, map<int, ll>> goods; int r, c, v; for (int i = 0; i < K; ++i) { cin >> r >> c >> v; goods[r - 1][c - 1] = v; } ll dp[2][C][4]; memset(dp, 0, sizeof(dp)); for (int y = 0; y < R; ++y) { int cy = y % 2; int by = (y + 1) % 2; for (int x = 0; x < C; ++x) { ll mv = LLONG_MIN; for (int c = 0; c <= 3; ++c) { mv = max(mv, dp[by][x][c]); } dp[cy][x][0] = mv; if (goods[y][x] > 0) { dp[cy][x][1] = mv + goods[y][x]; } } for (int x = 1; x < C; ++x) { for (int c = 0; c <= 3; ++c) { dp[cy][x][c] = max(dp[cy][x][c], dp[cy][x - 1][c]); if (c < 3 && goods[y][x] > 0) { dp[cy][x][c + 1] = max(dp[cy][x][c + 1], dp[cy][x - 1][c] + goods[y][x]); } } } } ll ans = LLONG_MIN; for (int c = 0; c <= 3; ++c) { ans = max(ans, dp[(R - 1) % 2][C - 1][c]); } cout << ans << endl; return 0; }
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TLE
p02586
C++
Runtime Error
#include <algorithm> #include <bits/stdc++.h> #include <chrono> #include <map> #include <math.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <thread> #include <vector> #define rep(i, n) for (ll i = 0; i < n; i++) #define repu(i, k, n) for (int i = k; i <= n; i++) #define repd(i, k, n) for (ll i = k; i >= n; i--) #define se second #define fi first #define pb push_back #define mp make_pair #define mt make_tuple #define endl "\n" #define INF (ll) ll_MAX typedef long long ll; typedef long double ld; typedef std::pair<ll, ll> pii; typedef std::vector<ll> vi; typedef std::vector<pii> vii; typedef std::vector<ll> vll; typedef std::vector<std::pair<pii, ll>> vpp; const ll N = 3 * 1e5 + 5; const long long MOD = 1000000007; const long long MOD2 = 998244353; const long long inf = 1e18; using namespace std; void solve() { ll r, c, k; cin >> r >> c >> k; ll a[r + 3][c + 3]; memset(a, 0, sizeof(a)); ll dp[r + 3][c + 3][4]; memset(dp, 0, sizeof(dp)); for (ll i = 0; i < k; i++) { ll t1, t2, t3; cin >> t1 >> t2 >> t3; a[t1][t2] = t3; } // cout<<dp[1][1]; for (ll i = r; i >= 1; i--) { for (ll j = c; j >= 1; j--) { // for(ll k1 = 0;k1<4;k1++){ // dp[i][j][k1] = max(dp[i+1][j][k1],dp[i][j+1][k1]); // } // if(a[i][j]){ // dp[i][j][0] = max() // } dp[i][j][0] = max({dp[i + 1][j][0], dp[i + 1][j][1], dp[i + 1][j][2], dp[i + 1][j][3], dp[i][j + 1][0]}); dp[i][j][1] = max( {dp[i][j][0] + a[i][j], dp[i][j + 1][0] + a[i][j], dp[i][j + 1][1]}); dp[i][j][2] = max(dp[i][j + 1][2], dp[i][j + 1][1] + a[i][j]); dp[i][j][3] = max(dp[i][j + 1][3], dp[i][j + 1][2] + a[i][j]); } } // cout<<dp[1][2][2]<<endl; cout << max({dp[1][1][0], dp[1][1][1], dp[1][1][2], dp[1][1][3]}); } int 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(0); cin.tie(NULL); ll t = 1; // cin>>t; ll ctr = 0; while (t--) { ctr++; // cout<<"Case #"<<ctr<<": "; solve(); } cerr << "Time : " << 1000 * ((double)clock()) / (double)CLOCKS_PER_SEC << "ms\n"; }
#include <algorithm> #include <bits/stdc++.h> #include <chrono> #include <map> #include <math.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <thread> #include <vector> #define rep(i, n) for (ll i = 0; i < n; i++) #define repu(i, k, n) for (int i = k; i <= n; i++) #define repd(i, k, n) for (ll i = k; i >= n; i--) #define se second #define fi first #define pb push_back #define mp make_pair #define mt make_tuple #define endl "\n" #define INF (ll) ll_MAX typedef long long ll; typedef long double ld; typedef std::pair<ll, ll> pii; typedef std::vector<ll> vi; typedef std::vector<pii> vii; typedef std::vector<ll> vll; typedef std::vector<std::pair<pii, ll>> vpp; const ll N = 3 * 1e5 + 5; const long long MOD = 1000000007; const long long MOD2 = 998244353; const long long inf = 1e18; using namespace std; void solve() { ll r, c, k; cin >> r >> c >> k; ll a[r + 3][c + 3]; memset(a, 0, sizeof(a)); vector<vector<vector<ll>>> dp(r + 3, vector<vector<ll>>(c + 3, vector<ll>(4))); // memset(dp,0,sizeof(dp)); for (ll i = 0; i < k; i++) { ll t1, t2, t3; cin >> t1 >> t2 >> t3; a[t1][t2] = t3; } // cout<<dp[1][1]; for (ll i = r; i >= 1; i--) { for (ll j = c; j >= 1; j--) { // for(ll k1 = 0;k1<4;k1++){ // dp[i][j][k1] = max(dp[i+1][j][k1],dp[i][j+1][k1]); // } // if(a[i][j]){ // dp[i][j][0] = max() // } dp[i][j][0] = max({dp[i + 1][j][0], dp[i + 1][j][1], dp[i + 1][j][2], dp[i + 1][j][3], dp[i][j + 1][0]}); dp[i][j][1] = max( {dp[i][j][0] + a[i][j], dp[i][j + 1][0] + a[i][j], dp[i][j + 1][1]}); dp[i][j][2] = max(dp[i][j + 1][2], dp[i][j + 1][1] + a[i][j]); dp[i][j][3] = max(dp[i][j + 1][3], dp[i][j + 1][2] + a[i][j]); } } // cout<<dp[1][2][2]<<endl; cout << max({dp[1][1][0], dp[1][1][1], dp[1][1][2], dp[1][1][3]}); } int 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(0); cin.tie(NULL); ll t = 1; // cin>>t; ll ctr = 0; while (t--) { ctr++; // cout<<"Case #"<<ctr<<": "; solve(); } cerr << "Time : " << 1000 * ((double)clock()) / (double)CLOCKS_PER_SEC << "ms\n"; }
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Time : 23.212ms