Submission #1186951

#	Time	Username	Problem	Language	Result	Execution time	Memory
1186951		mehmetkagan	Knapsack (NOI18_knapsack)	C++20	73 / 100	1095 ms	16800 KiB

knapsack

#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<pair<int, int>> items;
    for (int i = 0; i < N; i++) {
        int v, w, k;
        cin >> v >> w >> k;
        for (int j = 1; k > 0; j <<= 1) {
            int take = min(k, j);
            items.push_back({v * take, w * take});
            k -= take;
        }
    }

    vector<int> dp(S + 1, 0);
    for (auto [v, w] : items) {
        for (int j = S; j >= w; j--) {
            dp[j] = max(dp[j], dp[j - w] + v);
        }
    }

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

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