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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, m;
  6. 	cin >> n >> m;
  7. 	vector<vector<int>> graf(n);
  8. 	for(int i = 0; i < m; i++){
  9. 		int a, b;
  10. 		cin >> a >> b;
  11. 		graf[a].push_back(b);
  12. 		graf[b].push_back(a);
  13. 	}
  14. 	for(int i = 0; i < n; i++) {
  15. 		sort(begin(graf[i]), end(graf[i]));
  16. 		for(int s : graf[i]) {
  17. 			cout << s << " ";
  18. 		}
  19. 		cout << endl;
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 5348KB
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stdin
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5
4
1 2
3 1
2 3
2 0
stdout
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2 
2 3 
0 1 3 
1 2
https://ideone.com/h1f2Z3
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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