제출 #1188011

#제출 시각아이디문제언어결과실행 시간메모리
1188011mehmetkaganKnapsack (NOI18_knapsack)C++20
73 / 100
1095 ms328 KiB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define int ll

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int S, N;
    cin >> S >> N;

    vector<int> dp(S + 1, 0);
    for (int i = 0; i < N; i++) {
        int v, w, k;
        cin >> v >> w >> k;
        k = min(k, S / w);
        for (int t = 1; k > 0; t <<= 1) {
            int take = min(t, k);
            int val = v * take;
            int wei = w * take;
            for (int j = S; j >= wei; j--) {
                dp[j] = max(dp[j], dp[j - wei] + val);
            }
            k -= take;
        }
    }

    cout << *max_element(dp.begin(), dp.end()) << '\n';
    return 0;
}
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