Submission #925486

#	Time	Username	Problem	Language	Result	Execution time	Memory
925486		Youssif_Elkadi	Knapsack (NOI18_knapsack)	C++17	73 / 100	131 ms	262144 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;
const int N = 5e2 + 5, inf = 1e9, mod = 998244353;
long long dp[100006][2005], s, n;
pair<long long, pair<int, int>> arr[100005];
int main()
{
    // freopen("input.txt", "r", stdin);
    // freopen("output.txt", "w", stdout);
    cin >> s >> n;
    for (int i = 1; i <= n; i++)
        cin >> arr[i].first >> arr[i].second.first >> arr[i].second.second;
    for (int i = 1; i <= n; i++)
        for (int j = 0; j <= s; j++)
            dp[i][j] = -inf;
    for (int i = 1; i <= n; i++)
        for (int j = 0; j <= s; j++)
            for (int k = 0; k <= arr[i].second.second && k * arr[i].second.first <= j; k++)
                dp[i][j] = max(dp[i][j], dp[i - 1][j - k * arr[i].second.first] + arr[i].first * k);
    cout << dp[n][s] << "\n";
}

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