Submission #1014223

#	Time	Username	Problem	Language	Result	Execution time	Memory
1014223		aufan	Knapsack (NOI18_knapsack)	C++17	49 / 100	1029 ms	600 KiB

knapsack

#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second

using namespace std;

int32_t main()
{
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        
        int s, n;
        cin >> s >> n;

        vector<int> dp(s + 1);
        for (int i = 0; i < n; i++) {
                int v, w, k;
                cin >> v >> w >> k;

                vector<int> ndp = dp;
                for (int j = 1; j <= k; j++) {
                        for (int l = j * w; l <= s; l++) {
                                ndp[l] = max(ndp[l], dp[l - j * w] + j * v);
                        }
                }

                swap(dp, ndp);
        }

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

        cout << ans << '\n';
        
        return 0;
}

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