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  1. #include <iostream>
  2. using namespace std;
  3. #include <bits/stdc++.h>
  4. #include<vector>
  5.  
  6. int main() {
  7. 	// your code goes here
  8. 	int n,m;
  9. 	cin>>n>>m;
  10. 	vector<int>g[n];
  11. 	for(int i=1;i<=m;i++)
  12. 	 {
  13. 	 	int x,y;
  14. 	 	cin>>x>>y;
  15. 	 	g[x].push_back(y);
  16. 	 	g[y].push_back(x);
  17. 	 }
  18.  
  19. 	 for(int i=0;i<n;i++)
  20. 	  {
  21. 	  	int c = g[i].size();
  22. 	  	cout<<i<<" "<<c<<endl;
  23. 	  }
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
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4 3
0 1 
1 2 
2 3
stdout
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0 1
1 2
2 2
3 1
https://ideone.com/Y3v1Np
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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