#include<bits/stdc++.h>
using namespace std;
using ll = long long;
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int n, m; cin >> n >> m;
for (int i = 1; i <= m; i++) {
int u, v; cin >> u >> v;
} if (n == 1 || n == 2 || n == 3) {
cout << "YES\n";
if (n == 1) cout << 1 << '\n' << 1 << '\n';
if (n == 2) cout << 2 << '\n' << 1 << ' ' << 1 << '\n';
if (n == 3) cout << 2 << '\n' << 2 << ' ' << 2 << '\n';
return 0;
}
cout << "NO\n";
return 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 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |