Submission #631335

# Submission time Handle Problem Language Result Execution time Memory
631335 2022-08-18T03:23:42 Z mdn2002 Jail (JOI22_jail) C++14
21 / 100
5000 ms 948 KB
#include<bits/stdc++.h>
using namespace std;
int n , m , is [502] , st [502] , fn [502] , ff;
vector < int > gr [502] , v , pth;
void go ( int x , int p , int pr )
{
    pth . push_back ( x );
    if ( fn [pr] == x )
    {
        for ( auto u : pth )
        {
            if ( is [u] == 1 && u != st [pr] ) ff = 1;
        }
        is [ st [pr] ] = 0;
        is [ fn [pr] ] = 1;
    }
    for ( auto u : gr [x] )
    {
        if ( u == p ) continue;
        go ( u , x , pr );
    }

    pth . pop_back ();
}
bool ck ( )
{
    ff = 0;
    for ( int i = 1 ; i <= n ; i ++ ) is [i] = 0;
    for ( int i = 1 ; i <= m ; i ++ ) is [ st [i] ] = 1;
    for ( auto x : v )
    {
        go ( st [x] , 0 , x );
    }
    if ( ff ) return 0;
    return 1;
}
int main()
{
    int q;
    cin >> q;
    while ( q -- )
    {
        cin >> n;
        for ( int i = 1 ; i <= n ; i ++ )
        {
            gr [i] . clear ();
            is [i] = 0;
        }
        for ( int i = 0 ; i < n - 1 ; i ++ )
        {
            int x , y;
            cin >> x >> y;
            gr [x] . push_back ( y );
            gr [y] . push_back ( x );
        }
        cin >> m;
        v . clear ();
        for ( int i = 1 ; i <= m ; i ++ )
        {
            v . push_back ( i );
            cin >> st [i] >> fn [i];
        }
        int f = 0;
        do
        {
            f = max ( f , ( int ) ck () );
        } while ( next_permutation( v . begin () , v . end () ) );
        if ( f ) cout << "Yes" << endl;
        else cout << "No" << endl;
    }
}















# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 30 ms 568 KB Output is correct
5 Correct 63 ms 948 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 223 ms 372 KB Output is correct
8 Execution timed out 5031 ms 340 KB Time limit exceeded
9 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 3 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 3 ms 340 KB Output is correct
8 Correct 3 ms 336 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 3 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 3 ms 340 KB Output is correct
8 Correct 3 ms 336 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 260 ms 360 KB Output is correct
17 Correct 63 ms 340 KB Output is correct
18 Correct 195 ms 328 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 195 ms 340 KB Output is correct
21 Correct 199 ms 364 KB Output is correct
22 Correct 158 ms 356 KB Output is correct
23 Correct 10 ms 212 KB Output is correct
24 Correct 12 ms 336 KB Output is correct
25 Correct 230 ms 352 KB Output is correct
26 Correct 36 ms 328 KB Output is correct
27 Correct 163 ms 340 KB Output is correct
28 Correct 17 ms 324 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 3 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 3 ms 340 KB Output is correct
8 Correct 3 ms 336 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 260 ms 360 KB Output is correct
17 Correct 63 ms 340 KB Output is correct
18 Correct 195 ms 328 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 195 ms 340 KB Output is correct
21 Correct 199 ms 364 KB Output is correct
22 Correct 158 ms 356 KB Output is correct
23 Correct 10 ms 212 KB Output is correct
24 Correct 12 ms 336 KB Output is correct
25 Correct 230 ms 352 KB Output is correct
26 Correct 36 ms 328 KB Output is correct
27 Correct 163 ms 340 KB Output is correct
28 Correct 17 ms 324 KB Output is correct
29 Execution timed out 5093 ms 336 KB Time limit exceeded
30 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 3 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 3 ms 340 KB Output is correct
8 Correct 3 ms 336 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 260 ms 360 KB Output is correct
17 Correct 63 ms 340 KB Output is correct
18 Correct 195 ms 328 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 195 ms 340 KB Output is correct
21 Correct 199 ms 364 KB Output is correct
22 Correct 158 ms 356 KB Output is correct
23 Correct 10 ms 212 KB Output is correct
24 Correct 12 ms 336 KB Output is correct
25 Correct 230 ms 352 KB Output is correct
26 Correct 36 ms 328 KB Output is correct
27 Correct 163 ms 340 KB Output is correct
28 Correct 17 ms 324 KB Output is correct
29 Execution timed out 5093 ms 336 KB Time limit exceeded
30 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Execution timed out 5017 ms 328 KB Time limit exceeded
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 30 ms 568 KB Output is correct
5 Correct 63 ms 948 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 223 ms 372 KB Output is correct
8 Execution timed out 5031 ms 340 KB Time limit exceeded
9 Halted 0 ms 0 KB -