fork download 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.HashMap;
  4. import java.util.Scanner;
  5.  
  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) 
  11. 	{
  12. 		// your code goes here
  13. 		Scanner scan=new Scanner(System.in);
  14. 		int n=scan.nextInt();
  15. 		int []a=new int[n];
  16. 		HashMap<Integer,Integer> map=new HashMap<>();
  17. 		for(int i=0;i<a.length;i++)
  18. 		{
  19. 			a[i]=scan.nextInt();
  20. 			int g=map.getOrDefault(a[i],0);
  21. 			map.put(a[i],g+1);
  22. 		}
  23.  
  24.  
  25. 		int q=scan.nextInt();
  26.  
  27. 		for(int i=0;i<q;i++)
  28. 		{
  29. 			int query=scan.nextInt();
  30. 			int count =map.getOrDefault(query,0);
  31. 			System.out.println(count);
  32. 		}
  33. 	}
  34. }
Success #stdin #stdout 0.12s 54572KB
comments (?)
stdin 
4
1 2 2 3
2
2
3
stdout 
2
1
https://ideone.com/hs9Aaq
language:
Java (HotSpot 12)
created:
10 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!