Submission #1192486

#TimeUsernameProblemLanguageResultExecution timeMemory
1192486dprtoKnapsack (NOI18_knapsack)C++20
0 / 100
0 ms324 KiB
#include <bits/stdc++.h>
using namespace std;

const int MAX_S = 2005;
long long dp[MAX_S];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

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

    fill(dp, dp + S + 1, -1);
    dp[0] = 0;

    for (int i = 0; i < N; ++i) {
        int w, v, k;
        cin >> w >> v >> k;

        // Cập nhật DP ngược với số lượng tối đa k
        for (int s = S; s >= w; --s) {
            if (dp[s - w] != -1) {
                for (int cnt = 1; cnt <= k && s >= cnt * w; ++cnt) {
                    if (dp[s - cnt * w] != -1) {
                        dp[s] = max(dp[s], dp[s - cnt * w] + cnt * v);
                    }
                }
            }
        }
    }

    long long max_value = *max_element(dp, dp + S + 1);
    cout << max_value << endl;

    return 0;
}
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