Submission #1298293

#	Time	Username	Problem	Language	Result	Execution time	Memory
1298293		aslayeryl81	Knapsack (NOI18_knapsack)	C++20	73 / 100	1092 ms	580 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;
        for(int dem = 1; k > 0; dem <<= 1)
        {
            int lay = min(dem, k);
            k -= lay;
            int t = w * lay;
            int val = v * lay;
            if(t > s)
                continue;
            for(int x = s; x >= t; x--)
                dp[x] = max(dp[x], dp[x - t] + 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