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Submission #691775

# Submission time Handle Problem Language Result Execution time Memory
691775 2023-01-31T14:20:23 Z MateiKing80 Norela (info1cup18_norela) C++14
100 / 100
 98 ms 344 KB 
#include <bits/stdc++.h>
using namespace std;

int sol,nrsol=2100000000,n,m;
long long vr[30];

void bkt(long long nrc, int poz, int ans, int cnt)
{
    if(poz==m)
    {
        if(nrc==((long long)1<<n)-1)
        {
            if(nrsol>cnt)
            {
                nrsol=cnt;
                sol=ans;
            }
        }
        return ;
    }
    bkt(nrc^vr[poz],poz+1,ans^(1<<poz),cnt+1);
    bkt(nrc,poz+1,ans,cnt);
}
int main()
{
    cin.sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>m;
    for(int i=0; i<m; i++)
    {
        int q;
        cin>>q;
        for(int j=0; j<q; j++)
        {
            int x;
            cin>>x;
            x--;
            vr[i]^=((long long)1<<(x));
        }
    }
    bkt(0,0,0,0);
    cout<<nrsol<<'\n';
    for(int i=0; i<=m-1; i++)
        if(sol&(1<<i))
            cout<<i+1<<" ";
    cout<<'\n';
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 5 ms 212 KB Output is correct
8 Correct 11 ms 212 KB Output is correct
9 Correct 10 ms 320 KB Output is correct
10 Correct 9 ms 212 KB Output is correct
11 Correct 9 ms 212 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 5 ms 212 KB Output is correct
8 Correct 11 ms 212 KB Output is correct
9 Correct 10 ms 320 KB Output is correct
10 Correct 9 ms 212 KB Output is correct
11 Correct 9 ms 212 KB Output is correct
12 Correct 15 ms 320 KB Output is correct
13 Correct 21 ms 212 KB Output is correct
14 Correct 28 ms 300 KB Output is correct
15 Correct 26 ms 300 KB Output is correct
16 Correct 22 ms 296 KB Output is correct
17 Correct 24 ms 212 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 5 ms 212 KB Output is correct
8 Correct 11 ms 212 KB Output is correct
9 Correct 10 ms 320 KB Output is correct
10 Correct 9 ms 212 KB Output is correct
11 Correct 9 ms 212 KB Output is correct
12 Correct 15 ms 320 KB Output is correct
13 Correct 21 ms 212 KB Output is correct
14 Correct 28 ms 300 KB Output is correct
15 Correct 26 ms 300 KB Output is correct
16 Correct 22 ms 296 KB Output is correct
17 Correct 24 ms 212 KB Output is correct
18 Correct 58 ms 296 KB Output is correct
19 Correct 48 ms 304 KB Output is correct
20 Correct 94 ms 320 KB Output is correct
21 Correct 71 ms 212 KB Output is correct
22 Correct 98 ms 212 KB Output is correct
23 Correct 71 ms 316 KB Output is correct