Submission #1254831

#	Time	Username	Problem	Language	Result	Execution time	Memory
1254831		goutom	Knapsack (NOI18_knapsack)	C++20	37 / 100	1 ms	328 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;

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

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

    vector<int> dp(S + 1, 0);

    for (int i = 0; i < N; i++) {
        int V, W;
        long long K;
        cin >> V >> W >> K;
        long long count = 1;
        while (K > 0) {
            long long take = min(count, K);
            int val = V * (int)take;
            int wt = W * (int)take;
            for (int w = S; w >= wt; w--) {
                dp[w] = max(dp[w], dp[w - wt] + val);
            }

            K -= take;
            count <<= 1;
        }
    }

    cout << dp[S] << "\n";
    return 0;
}

• Subtask 1: 0 / 12
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 0 / 24
• Subtask 5: 0 / 27