Submission #758550

#	Time	Username	Problem	Language	Result	Execution time	Memory
758550		Hanksburger	Kitchen (BOI19_kitchen)	C++17	0 / 100	2 ms	328 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;
int a[305], b[305];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, m, k, x1=0, x2=0;
    cin >> n >> m >> k;
    for (int i=1; i<=n; i++)
    {
        cin >> a[i];
        x1+=a[i];
    }
    for (int i=1; i<=m; i++)
    {
        cin >> b[i];
        x2+=b[i];
    }
    if (m<k || x1>x2)
    {
        cout << "Impossible";
        return 0;
    }
    sort(b+1, b+m+1);
    for (int i=1; i<=n; i++)
    {
        if (a[i]<k)
        {
            cout << "Impossible";
            return 0;
        }
        for (int j=m-k+1; j<=m; j++)
        {
            b[j]--;
            if (b[j]<0)
            {
                cout << "Impossible";
                return 0;
            }
        }
        sort(b+1, b+m+1);
        int l=0, r=300;
        while (l<r)
        {
            int mid=(l+r)/2, sum=0;
            for (int j=1; j<=m; j++)
            {
                if (b[j]<mid)
                    break;
                sum+=b[j]-mid;
            }
            if (sum<=a[i]-k)
                r=mid;
            else
                l=mid+1;
        }
        int sum=0;
        for (int j=m; j>=1; j--)
        {
            if (b[j]<l)
                break;
            sum+=b[j]-l;
        }
        sort(b+1, b+m+1);
        for (int j=m; j>=m-(a[j]-k-sum)+1; j--)
            b[j]--;
        sort(b+1, b+m+1);
    }
    cout << x2-x1;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 28