제출 #628139

#제출 시각아이디문제언어결과실행 시간메모리
628139TheQuantiX메기 농장 (IOI22_fish)C++17
3 / 100
90 ms9572 KiB
#include <bits/stdc++.h> using namespace std; using ll = long long; ll n, m, x, y, k; ll max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> k) { vector<ll> v(n); for (int i = 0; i < m; i++) { v[x[i]] += k[i]; } vector<ll> dp1(n + 1); vector<ll> dp2(n + 1); for (int i = 1; i <= n; i++) { if (i != n) { dp2[i] = v[i - 1]; if (i >= 2) { dp2[i] = max(dp2[i], dp2[i - 2] + v[i - 1]); dp2[i] = max(dp2[i], dp1[i - 2] + v[i - 1]); } dp2[i] = max(dp2[i], dp1[i - 1] + v[i - 1]); } if (i != 1) { if (i >= 3) { dp1[i] = max(dp2[i], dp2[i - 3] + v[i - 1]); } dp1[i] = max(dp2[i], dp2[i - 2] + v[i - 1]); dp1[i] = max(dp2[i], dp1[i - 2] + v[i - 1]); } } return max(*max_element(dp1.begin(), dp1.end()), *max_element(dp2.begin(), dp2.end())); } //void solve() { // cin >> n >> m; // vector<int> x(m); // vector<int> y(m); // vector<int> k(m); // for (int i = 0; i < m; i++) { // cin >> x[i] >> y[i] >> k[i]; // } // cout << max_weights(n, m, x, y, k) << '\n'; //} // //int main() { // ios_base::sync_with_stdio(0); // cin.tie(0); // cout.tie(0); // solve(); //}
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