Submission #1163635

#	Time	Username	Problem	Language	Result	Execution time	Memory
1163635		ramalzaher	Knapsack (NOI18_knapsack)	C++20	37 / 100	1097 ms	38720 KiB

knapsack

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

const int N = 10000000;
int dp[N], w[N], v[N];
void solve()
{
    int n, m;
    cin >> m >> n;
    int z = 0;
    for (int i = 0; i < n; i++)
    {
        int k,x,y;
        cin >> x >> y >> k;
        while(k > 0)
        {
            v[z]=x;w[z]=y;
            z++;
            k--;
        }
    }
    dp[0] = 0;
    for (int i = 0; i < z; i++)
    {
        //cout << v[i]<< " " << w[i] <<"\n";
            for (int j = m; j > 0; j--)
        {
            if (j - w[i] < 0)
            {
                continue;
            }
            dp[j] = max(dp[j], (dp[j - w[i]] + v[i]));
        }
    }
    cout << dp[m] << endl;
}
main()
{
    // #ifndef ONLINE_JUDGE
    //     freopen(".in", "r", stdin);
    //     freopen(".out", "w", stdout);
    // #endif
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int tt = 1;
    // cin >> tt;
    while (tt--)
    {
        solve();
    }
    return 0;
}

Compilation message (stderr)

knapsack.cpp:38:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   38 | main()
      | ^~~~

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