제출 #1275987

#제출 시각아이디문제언어결과실행 시간메모리
1275987lee.desmond2016Knapsack (NOI18_knapsack)C++20
37 / 100
2 ms724 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int S, N; cin >> S >> N; struct Item { ll v, w; }; vector<Item> items; for (int i = 0; i < N; i++) { int V, W, K; cin >> V >> W >> K; // Binary split for (int p = 1; K > 0; p <<= 1) { int cnt = min(p, K); items.push_back({V * cnt, W * cnt}); K -= cnt; } } vector<ll> dp(S + 1, 0); for (auto &it : items) { for (int j = S; j >= it.w; j--) { dp[j] = max(dp[j], dp[j - it.w] + it.v); } } cout << dp[S] << "\n"; }
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