#include <bits/stdc++.h>
using namespace std;
#define int long long
vector<int> adj[1005], vis(1005);
int flag=1;
int dfs(int x, int y)
{
vis[x]=1;
int maxk=0, t=0;
for(auto i: adj[x])
{
if(i==y) continue;
else if(vis[i]==1)
{
flag=0;
}
else
{
int z=dfs(i, x);
if(z>1) t++;
maxk=max(z, maxk);
}
}
if(t>3) flag=0;
return maxk+1;
}
int32_t main()
{
ios_base::sync_with_stdio(false); cin.tie(0);
int n, m; cin>>n>>m;
for(int i=0; i<m; i++)
{
int x, y; cin>>x>>y;
adj[x].push_back(y);
adj[y].push_back(x);
}
for(int i=1; i<=n; i++)
{
for(int l=1; l<=n; l++) vis[l]=0;
dfs(i, 0);
}
if(flag==0) cout<<"NO\n";
else
{
cout<<"YES\n"<<"2 1 1\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
0 ms |
340 KB |
Provide a successful but not optimal strategy. |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
4 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
9 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
0 ms |
340 KB |
Provide a successful but not optimal strategy. |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Partially correct |
1 ms |
340 KB |
Failed to provide a successful strategy. |
4 |
Partially correct |
1 ms |
340 KB |
Failed to provide a successful strategy. |
5 |
Partially correct |
1 ms |
340 KB |
Failed to provide a successful strategy. |
6 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
7 |
Partially correct |
1 ms |
340 KB |
Failed to provide a successful strategy. |
8 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
9 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
10 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
11 |
Partially correct |
8 ms |
432 KB |
Failed to provide a successful strategy. |
12 |
Partially correct |
3 ms |
340 KB |
Failed to provide a successful strategy. |
13 |
Partially correct |
4 ms |
340 KB |
Failed to provide a successful strategy. |
14 |
Partially correct |
4 ms |
340 KB |
Failed to provide a successful strategy. |
15 |
Partially correct |
6 ms |
340 KB |
Failed to provide a successful strategy. |
16 |
Partially correct |
10 ms |
340 KB |
Failed to provide a successful strategy. |
17 |
Partially correct |
9 ms |
340 KB |
Failed to provide a successful strategy. |
18 |
Partially correct |
9 ms |
340 KB |
Failed to provide a successful strategy. |
19 |
Partially correct |
11 ms |
340 KB |
Failed to provide a successful strategy. |
20 |
Partially correct |
10 ms |
444 KB |
Failed to provide a successful strategy. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
0 ms |
340 KB |
Provide a successful but not optimal strategy. |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
4 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Partially correct |
0 ms |
340 KB |
Failed to provide a successful strategy. |
9 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |