Submission #1298303

#	Time	Username	Problem	Language	Result	Execution time	Memory
1298303		aslayeryl81	Knapsack (NOI18_knapsack)	C++20	73 / 100	1095 ms	660 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);
    while(n--) 
    {
        int v, w, k;
        cin >> v >> w >> k;
        if(w > s) continue;
        int maxx = s / w;
        if(k > maxx) k = maxx;
        for(int p = 1; k > 0; p <<= 1) 
        {
            int t = min(p, k);
            k -= t;
            int x = t * w;
            int val = t * v;
            for(int j = s; j >= x; j--)
                dp[j] = max(dp[j], dp[j - x] + val);
        }
    }
    cout << dp[s];
    return 0;
}

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