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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.  
  8.     vector<int> graph[n];
  9.  
  10.     for (int i = 1; i <= m; i++) {
  11.         int u, v;
  12.         cin >> u >> v;
  13.  
  14.         graph[u].push_back(v);
  15.         graph[v].push_back(u);
  16.     }
  17.  
  18.     for (int i = 0; i < n; i++) {
  19.         int degree = graph[i].size();
  20.         cout << i << " " << degree << "\n";
  21.     }
  22.  
  23.     return 0;
  24. }
Success #stdin #stdout 0s 5324KB
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https://ideone.com/yuh2fH
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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