Submission #1172429

#	Time	Username	Problem	Language	Result	Execution time	Memory
1172429		manowo	Knapsack (NOI18_knapsack)	C++20	Compilation error	0 ms	0 KiB

knapsack

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

const int M = 100004;
const int N = 2004;
vector<pair<int, int>> p;
long long s, n, w, v, k, dp[N];

int main() {
    cin >> s >> n;

    if (n == 1) {
        cin >> v >> w >> k;
        cout << v * min(k, s / w) << endl;
    } else {
        for (int i = 0; i < n; i++) {
            cin >> v >> w >> k;
            while (k--) {
                p.pb({v, w}); 
            }
        }

        for (auto [v, w] : p) {
            for (int j = s; j >= w; j--) {
                dp[j] = max(dp[j], dp[j - w] + v);
            }
        }

        long long ans = 0;
        for (int i = 1; i <= s; i++) {
            ans = max(ans, dp[i]);
        }

        cout << ans << endl;
    }

    return 0;
}

Compilation message (stderr)

knapsack.cpp: In function 'int main()':
knapsack.cpp:19:19: error: 'class std::vector<std::pair<int, int> >' has no member named 'pb'
   19 |                 p.pb({v, w});
      |                   ^~