#include <bits/stdc++.h>
using namespace std;
#define sz(a) (int)a.size()
#define pb push_back
const int mxN = (int)5e5+10;
int n, m, vis[mxN], vis1[mxN], nx[mxN];
vector<pair<int,int>> v, adj[mxN];
int SZ[mxN];
void dfs(int s){
if(vis[s]){ int p = s;
while(vis[p]) cout<<p<<" ", vis[p]=0, p = nx[p];
cout << "\n";
}
while(SZ[s]){
auto [u,e] = adj[s][SZ[s]-1]; SZ[s]--;
if(!vis1[e]) vis1[e]=vis[s]=1, nx[s]=u, dfs(u);
}
}
int32_t main(){
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n >> m;
for(int i = 0; i < m; i++){
int a, b; cin >> a >> b;
adj[a].pb({b,i}); adj[b].pb({a,i});
}
for(int i = 1; i <= n; i++) SZ[i] = sz(adj[i]);
dfs(1);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 2 |
Correct |
7 ms |
12048 KB |
Output is correct |
| 3 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 4 |
Correct |
8 ms |
12244 KB |
Output is correct |
| 5 |
Correct |
8 ms |
12116 KB |
Output is correct |
| 6 |
Correct |
8 ms |
12372 KB |
Output is correct |
| 7 |
Correct |
10 ms |
13268 KB |
Output is correct |
| 8 |
Correct |
7 ms |
12244 KB |
Output is correct |
| 9 |
Correct |
35 ms |
19492 KB |
Output is correct |
| 10 |
Correct |
7 ms |
12244 KB |
Output is correct |
| 11 |
Correct |
8 ms |
12216 KB |
Output is correct |
| 12 |
Correct |
40 ms |
19892 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 2 |
Correct |
6 ms |
12088 KB |
Output is correct |
| 3 |
Correct |
9 ms |
11988 KB |
Output is correct |
| 4 |
Correct |
8 ms |
12244 KB |
Output is correct |
| 5 |
Correct |
6 ms |
12168 KB |
Output is correct |
| 6 |
Correct |
8 ms |
12372 KB |
Output is correct |
| 7 |
Correct |
10 ms |
13268 KB |
Output is correct |
| 8 |
Correct |
7 ms |
12232 KB |
Output is correct |
| 9 |
Correct |
34 ms |
19456 KB |
Output is correct |
| 10 |
Correct |
7 ms |
12244 KB |
Output is correct |
| 11 |
Correct |
7 ms |
12244 KB |
Output is correct |
| 12 |
Correct |
38 ms |
19876 KB |
Output is correct |
| 13 |
Correct |
57 ms |
21956 KB |
Output is correct |
| 14 |
Correct |
55 ms |
19148 KB |
Output is correct |
| 15 |
Correct |
71 ms |
21044 KB |
Output is correct |
| 16 |
Correct |
61 ms |
22052 KB |
Output is correct |
| 17 |
Correct |
54 ms |
16972 KB |
Output is correct |
| 18 |
Correct |
52 ms |
20264 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 2 |
Correct |
7 ms |
12088 KB |
Output is correct |
| 3 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 4 |
Correct |
8 ms |
12244 KB |
Output is correct |
| 5 |
Correct |
7 ms |
12116 KB |
Output is correct |
| 6 |
Correct |
8 ms |
12372 KB |
Output is correct |
| 7 |
Correct |
14 ms |
13268 KB |
Output is correct |
| 8 |
Correct |
8 ms |
12244 KB |
Output is correct |
| 9 |
Correct |
33 ms |
19532 KB |
Output is correct |
| 10 |
Correct |
7 ms |
12244 KB |
Output is correct |
| 11 |
Correct |
8 ms |
12244 KB |
Output is correct |
| 12 |
Correct |
35 ms |
19804 KB |
Output is correct |
| 13 |
Correct |
52 ms |
21964 KB |
Output is correct |
| 14 |
Correct |
76 ms |
19060 KB |
Output is correct |
| 15 |
Correct |
48 ms |
20996 KB |
Output is correct |
| 16 |
Correct |
56 ms |
22020 KB |
Output is correct |
| 17 |
Correct |
55 ms |
16988 KB |
Output is correct |
| 18 |
Correct |
51 ms |
20232 KB |
Output is correct |
| 19 |
Correct |
381 ms |
62344 KB |
Output is correct |
| 20 |
Correct |
373 ms |
54476 KB |
Output is correct |
| 21 |
Correct |
353 ms |
62212 KB |
Output is correct |
| 22 |
Correct |
410 ms |
68944 KB |
Output is correct |
| 23 |
Correct |
162 ms |
52172 KB |
Output is correct |
| 24 |
Correct |
442 ms |
43368 KB |
Output is correct |
| 25 |
Correct |
418 ms |
60064 KB |
Output is correct |
