#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);
}
Compilation message
postmen.cpp: In function 'void dfs(int)':
postmen.cpp:16:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
16 | auto [u,e] = adj[s][SZ[s]-1]; SZ[s]--;
| ^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
14680 KB |
Output is correct |
| 2 |
Correct |
3 ms |
14684 KB |
Output is correct |
| 3 |
Correct |
2 ms |
14684 KB |
Output is correct |
| 4 |
Correct |
3 ms |
14940 KB |
Output is correct |
| 5 |
Correct |
3 ms |
14936 KB |
Output is correct |
| 6 |
Correct |
5 ms |
15196 KB |
Output is correct |
| 7 |
Correct |
6 ms |
16220 KB |
Output is correct |
| 8 |
Correct |
5 ms |
14936 KB |
Output is correct |
| 9 |
Correct |
29 ms |
22864 KB |
Output is correct |
| 10 |
Correct |
4 ms |
14940 KB |
Output is correct |
| 11 |
Correct |
4 ms |
14936 KB |
Output is correct |
| 12 |
Correct |
29 ms |
23376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
14684 KB |
Output is correct |
| 2 |
Correct |
3 ms |
14684 KB |
Output is correct |
| 3 |
Correct |
3 ms |
14684 KB |
Output is correct |
| 4 |
Correct |
4 ms |
14940 KB |
Output is correct |
| 5 |
Correct |
3 ms |
14940 KB |
Output is correct |
| 6 |
Correct |
4 ms |
15196 KB |
Output is correct |
| 7 |
Correct |
6 ms |
16220 KB |
Output is correct |
| 8 |
Correct |
3 ms |
14936 KB |
Output is correct |
| 9 |
Correct |
34 ms |
22876 KB |
Output is correct |
| 10 |
Correct |
4 ms |
14840 KB |
Output is correct |
| 11 |
Correct |
4 ms |
14940 KB |
Output is correct |
| 12 |
Correct |
28 ms |
23380 KB |
Output is correct |
| 13 |
Correct |
47 ms |
25168 KB |
Output is correct |
| 14 |
Correct |
36 ms |
22616 KB |
Output is correct |
| 15 |
Correct |
38 ms |
24276 KB |
Output is correct |
| 16 |
Correct |
40 ms |
25168 KB |
Output is correct |
| 17 |
Correct |
38 ms |
20304 KB |
Output is correct |
| 18 |
Correct |
38 ms |
23596 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
14684 KB |
Output is correct |
| 2 |
Correct |
3 ms |
14784 KB |
Output is correct |
| 3 |
Correct |
2 ms |
14684 KB |
Output is correct |
| 4 |
Correct |
3 ms |
14940 KB |
Output is correct |
| 5 |
Correct |
3 ms |
14936 KB |
Output is correct |
| 6 |
Correct |
3 ms |
15196 KB |
Output is correct |
| 7 |
Correct |
7 ms |
16204 KB |
Output is correct |
| 8 |
Correct |
4 ms |
14936 KB |
Output is correct |
| 9 |
Correct |
32 ms |
22892 KB |
Output is correct |
| 10 |
Correct |
4 ms |
14940 KB |
Output is correct |
| 11 |
Correct |
4 ms |
14940 KB |
Output is correct |
| 12 |
Correct |
30 ms |
23384 KB |
Output is correct |
| 13 |
Correct |
59 ms |
25172 KB |
Output is correct |
| 14 |
Correct |
41 ms |
22532 KB |
Output is correct |
| 15 |
Correct |
38 ms |
24264 KB |
Output is correct |
| 16 |
Correct |
36 ms |
25136 KB |
Output is correct |
| 17 |
Correct |
49 ms |
20308 KB |
Output is correct |
| 18 |
Correct |
46 ms |
23596 KB |
Output is correct |
| 19 |
Correct |
351 ms |
69320 KB |
Output is correct |
| 20 |
Correct |
308 ms |
55140 KB |
Output is correct |
| 21 |
Correct |
278 ms |
62932 KB |
Output is correct |
| 22 |
Correct |
331 ms |
68948 KB |
Output is correct |
| 23 |
Correct |
145 ms |
54712 KB |
Output is correct |
| 24 |
Correct |
283 ms |
44224 KB |
Output is correct |
| 25 |
Correct |
358 ms |
61280 KB |
Output is correct |
