Submission #758817

#	Time	Username	Problem	Language	Result	Execution time	Memory
758817		Hanksburger	Kitchen (BOI19_kitchen)	C++17	100 / 100	72 ms	106316 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;
int dp[305][90005];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, m, k, sum=0;
    cin >> n >> m >> k;
    for (int i=1; i<=n; i++)
    {
        int x;
        cin >> x;
        if (x<k)
        {
            cout << "Impossible";
            return 0;
        }
        sum+=x;
    }
    for (int i=1; i<=90000; i++)
        dp[0][i]=-1e9;
    for (int i=1; i<=m; i++)
    {
        int x;
        cin >> x;
        for (int j=0; j<=90000; j++)
            dp[i][j]=max(dp[i-1][j], j>=x?(dp[i-1][j-x]+min(x, n)):(int)(-1e9));
    }
    for (int i=sum; i<=90000; i++)
    {
        if (dp[m][i]>=n*k)
        {
            cout << i-sum;
            return 0;
        }
    }
    cout << "Impossible";
}

• Subtask 1: 9 / 9
• Subtask 2: 22 / 22
• Subtask 3: 20 / 20
• Subtask 4: 21 / 21
• Subtask 5: 28 / 28