oj.uz

Submission #746053

# Submission time Handle Problem Language Result Execution time Memory
746053 2023-05-21T10:52:57 Z vjudge1 Kitchen (BOI19_kitchen) C++11
72 / 100
 82 ms 696 KB 
#include <bits/stdc++.h>

using namespace std;

int n,m,k;
int a[301];
int b[301];
int sum=0;
int w=1000;

void subtask3() {
    vector<bool> g;
    vector<int> krit;
    g.assign(sum+1+w+w,0);
    krit.assign(sum+1+w+w,0);
    g[w]=1;
    for (int i=1;i<=m;i++) {
        for (int j=min(i*w,sum+w);j>max(0,sum-(m-i)*w-w);j--) {
            if (g[j+w-b[i]]==1) {
                g[j+w]=1;
                krit[j+w]=max(krit[j+w],krit[j+w-b[i]]+min(b[i],n));
            }
        }
    }
    int ans=-1;
    for (int i=sum+w;i<sum+w+w;i++) {
        if (g[i] && (krit[i]>=n*k)) {
            ans=i-w;
            break;
        }
    }
    /*
    for (int i=0;i<g.size();i++) {
        cout << i << ": " << g[i] << endl;
    }
    cout << endl;
    */
    if (ans==-1) {
        cout << "Impossible" << endl;
    } else {
        cout << ans-sum << endl;
    }
    return;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> m >> k;
    for (int i=1;i<=n;i++) {
        cin >> a[i];
        sum+=a[i];
    }
    for (int i=1;i<=m;i++) {
        cin >> b[i];
    }
    for (int i=1;i<=n;i++) {
        if (a[i]<k) {
            cout << "Impossible" << endl;
            return(0);
        }
    }
    subtask3();
    return 0;
}

/*
1 8 1
100
12 56 8 23 6 4 59 163
*/

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 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 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 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 340 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 468 KB Output is correct
2 Correct 24 ms 552 KB Output is correct
3 Correct 55 ms 512 KB Output is correct
4 Correct 82 ms 596 KB Output is correct
5 Correct 64 ms 696 KB Output is correct
6 Correct 21 ms 468 KB Output is correct

Subtask #4
21.0 / 21.0

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

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 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 29 ms 468 KB Output is correct
15 Correct 24 ms 552 KB Output is correct
16 Correct 55 ms 512 KB Output is correct
17 Correct 82 ms 596 KB Output is correct
18 Correct 64 ms 696 KB Output is correct
19 Correct 21 ms 468 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Incorrect 16 ms 544 KB Output isn't correct
26 Halted 0 ms 0 KB -