oj.uz

Submission #758751

# Submission time Handle Problem Language Result Execution time Memory
758751 2023-06-15T08:47:29 Z Hanksburger Kitchen (BOI19_kitchen) C++17
31 / 100
 32 ms 332 KB 
#include <bits/stdc++.h>
using namespace std;
int a[305], B[305], b[305];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, M, k, x1=0, ans=1e9;
    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];
    for (int z=1; z<(1<<M); z++)
    {
        int m=0, x2=0;
        for (int zz=0; zz<M; zz++)
        {
            if (z&(1<<zz))
            {
                m++;
                b[m]=B[zz+1];
                x2+=b[m];
            }
        }
        bool ok=1;
        if (m<k || x1>x2)
        {
            ok=0;
            continue;
        }
        sort(b+1, b+m+1);
        for (int i=1; i<=n; i++)
        {
//            cout << "a[i]=" << a[i] << ' ';
            if (a[i]<k)
            {
                ok=0;
                break;
            }
            for (int j=m-k+1; j<=m; j++)
            {
                b[j]--;
//                cout << "subtract " << b[j] << ' ';
                if (b[j]<0)
                {
                    ok=0;
//                    cout << "out\n";
                    break;
                }
            }
            if (!ok)
                break;
            sort(b+1, b+m+1);
            int l=0, r=300;
            while (l<r)
            {
                int mid=(l+r)/2, sum=0;
                for (int j=m; j>=1; j--)
                {
                    if (b[j]<mid)
                        break;
                    sum+=b[j]-mid;
                }
                if (sum<=a[i]-k)
                    r=mid;
                else
                    l=mid+1;
            }
//            cout << "l=" << l << ' ';
            int sum=0;
            for (int j=m; j>=1; j--)
            {
                if (b[j]<l)
                    break;
                sum+=b[j]-l;
//                cout << "subtract " << b[j]-l << ' ';
                b[j]=l;
            }
            sort(b+1, b+m+1);
            for (int j=m; j>=m-(a[i]-k-sum)+1; j--)
            {
                b[j]--;
//                cout << "subtract " << b[j] << ' ';
            }
            sort(b+1, b+m+1);
//            cout << "i=" << i << " over\n";
        }
        if (ok)
            ans=min(ans, x2-x1);
    }
    if (ans==1e9)
        cout << "Impossible";
    else
        cout << ans;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 328 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 11 ms 212 KB Output is correct
10 Correct 19 ms 332 KB Output is correct
11 Correct 3 ms 212 KB Output is correct
12 Correct 2 ms 320 KB Output is correct
13 Correct 32 ms 212 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 11 ms 212 KB Output is correct
10 Correct 19 ms 332 KB Output is correct
11 Correct 3 ms 212 KB Output is correct
12 Correct 2 ms 320 KB Output is correct
13 Correct 32 ms 212 KB Output is correct
14 Incorrect 1 ms 212 KB Output isn't correct
15 Halted 0 ms 0 KB -