#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 1e3;
bool vis[MAX_N + 1], side[MAX_N + 1];
vector<int> adj[MAX_N + 1];
bool checkBipartite( int u ) {
vis[u] = true;
bool ok = true;
for ( int v: adj[u] ) {
if ( !vis[v] ) {
side[v] = side[u] ^ 1;
ok &= checkBipartite( v );
} else if ( side[v] == side[u] )
ok = false;
}
return ok;
}
int main() {
int n, m;
cin >> n >> m;
for ( int i = 0; i < m; i++ ) {
int u, v;
cin >> u >> v;
adj[u].push_back( v );
adj[v].push_back( u );
}
cout << "YES\n";
//cout << 2 * n << "\n";
cout << n << "\n";
for ( int i = 1; i <= n; i++ )
cout << i << " ";
//for ( int i = n; i >= 1; i-- )
//cout << i << " ";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Partially correct |
0 ms |
344 KB |
Failed to provide a successful strategy. |
3 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
4 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
5 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
6 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
7 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
3 |
Partially correct |
1 ms |
348 KB |
Failed to provide a successful strategy. |
4 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
5 |
Partially correct |
1 ms |
600 KB |
Failed to provide a successful strategy. |
6 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
7 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
8 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
9 |
Partially correct |
1 ms |
600 KB |
Failed to provide a successful strategy. |
10 |
Partially correct |
1 ms |
348 KB |
Failed to provide a successful strategy. |
11 |
Partially correct |
1 ms |
348 KB |
Failed to provide a successful strategy. |
12 |
Partially correct |
1 ms |
348 KB |
Failed to provide a successful strategy. |
13 |
Partially correct |
1 ms |
348 KB |
Failed to provide a successful strategy. |
14 |
Partially correct |
1 ms |
348 KB |
Failed to provide a successful strategy. |
15 |
Partially correct |
1 ms |
348 KB |
Failed to provide a successful strategy. |
16 |
Partially correct |
1 ms |
344 KB |
Failed to provide a successful strategy. |
17 |
Partially correct |
1 ms |
348 KB |
Failed to provide a successful strategy. |
18 |
Partially correct |
1 ms |
600 KB |
Failed to provide a successful strategy. |
19 |
Partially correct |
1 ms |
348 KB |
Failed to provide a successful strategy. |
20 |
Partially correct |
1 ms |
348 KB |
Failed to provide a successful strategy. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Partially correct |
0 ms |
344 KB |
Failed to provide a successful strategy. |
3 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
4 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
5 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
6 |
Partially correct |
0 ms |
348 KB |
Failed to provide a successful strategy. |
7 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |