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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		// your code goes here
  13.         Scanner sc = new Scanner(System.in);
  14.  
  15.         int n = sc.nextInt();
  16.         int e = sc.nextInt();
  17.  
  18.         int[][] graph = new int[100][100];
  19.  
  20.         for (int i = 1; i <= e; i++) {
  21.             int u, v;
  22.             u = sc.nextInt();
  23.             v = sc.nextInt();
  24.             graph[u][v] = 1;
  25.             graph[v][u] = 1;
  26.         }
  27.  
  28.         for (int u = 0; u < n; u++) {
  29.             int count = 0;
  30.             for (int v = 0; v < n; v++) {
  31.                 if (graph[u][v] == 1) {
  32.                     count++;
  33.                 }
  34.             }
  35.             System.out.println(u + " " + count);
  36.         }
  37. 		sc.close();
  38. 	}
  39. }
Success #stdin #stdout 0.18s 60968KB
comments (?)
stdin 
5 4 
0 1 
1 2 
2 3 
4 2
stdout 
0 1
1 2
2 3
3 1
4 1
https://ideone.com/Ij496c
language:
Java (HotSpot 12)
created:
12 days ago
visibility:
public

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