제출 #1258243

#제출 시각아이디문제언어결과실행 시간메모리
1258243alizhanKnapsack (NOI18_knapsack)C++20
37 / 100
1 ms328 KiB
#include <bits/stdc++.h> using namespace std; signed main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int s, n; cin >> s >> n; vector<int> dp(s + 1, INT_MIN); dp[0] = 0; for (int i = 0; i < n; i++) { int v, w, k; cin >> v >> w >> k; for (int p = 1; k > 0; p <<= 1) { int take = min(p, k); for (int j = s; j >= w * take; j--) { if (dp[j - w * take] != INT_MIN) { dp[j] = max(dp[j], dp[j - w * take] + v * take); } } k -= take; } } int ans = *max_element(dp.begin(), dp.end()); cout << (ans == INT_MIN ? 0 : ans) << endl; return 0; }
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