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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5.     int n,m;
  6.     cin>>n>>m;
  7.     vector<int> g[n];
  8.     for(int i=0;i<m;i++)
  9.     {
  10.         int x,y;
  11.         cin>>x>>y;
  12.         g[y].push_back(x);
  13.         g[x].push_back(y);
  14.     }
  15.     for(int i=0;i<n;i++)
  16.     {
  17.         int c= g[i].size();
  18.         cout<<i<<c<<endl;
  19.     }
  20.     return 0;
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  34. }
Success #stdin #stdout 0s 5320KB
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Standard input is empty
stdout
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00
10
https://ideone.com/gKZmPL
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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