Submission #1095576

#	Time	Username	Problem	Language	Result	Execution time	Memory
1095576		MateiKing80	Kitchen (BOI19_kitchen)	C++14	100 / 100	17 ms	1176 KiB

kitchen

#include <bits/stdc++.h>

using namespace std;

const int N = 300 * 301;
int n, m, k, dp[N + 5], a[300], b[300], sum = 0;
int ldr[N + 5];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> m >> k;
    int minn = 1e9;
    for(int i = 0; i < n; i ++)
    {
        cin >> a[i];
        ldr[a[i]] ++;
        sum += a[i];
        minn = min(minn, a[i]);
    }
    if(minn < k)
    {
        for(int i = 0; i < m; i ++)
            cin >> n;
        cout << "Impossible";
        return 0;
    }
    for(int i = N; i >= 0; i --)
        ldr[i] += ldr[i + 1];
    for(int i = 1; i <= N; i ++)
        dp[i] = -1e9;
    for(int i = 0; i < m; i ++)
    {
        cin >> b[i];
        for(int j = N; j >= b[i]; j --)
            dp[j] = max(dp[j], min(b[i], n) + dp[j - b[i]]);
    }
    for(int i = sum; i <= 300 * 301; i ++)
        if (dp[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