Submission #1319311

#	Time	Username	Problem	Language	Result	Execution time	Memory
1319311		aslayeryl81	Knapsack (NOI18_knapsack)	C++20	73 / 100	1093 ms	424 KiB

knapsack

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

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int s, n;
    cin >> s >> n;
    vector<int> dp(s + 1, 0);
    for(int i = 0; i < n; i++) 
    {
        int v, w, k;
        cin >> v >> w >> k;
        int maxx = min((s / w), k);
        for(int p = 1; maxx > 0; p <<= 1) 
        {
            int dem = min(p, maxx);
            maxx -= dem;
            int W = dem * w;
            int val  = dem * v;
            for(int i = s; i >= W; i--)
                dp[i] = max(dp[i], dp[i - W] + val);
        }
    }
    cout << *max_element(dp.begin(), dp.end());
    return 0;
}

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