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  1. import java.util.*;
  2. import java.io.*;
  3.  class Sol{
  4.  
  5.  
  6. 	public static void main(String args[]) throws Exception{
  7. 		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
  8. 		BufferedWriter wr=new BufferedWriter(new OutputStreamWriter(System.out));
  9. 		int n=Integer.valueOf(br.readLine());
  10. 		int arr[]=new int[n];
  11. 		HashMap<Integer,Integer> hm=new HashMap<Integer,Integer>();
  12. 		String ss=br.readLine();
  13. 		String[] s=ss.split(" ");
  14. 		for(int i=0;i<n;i++){
  15. 			//System.out.println(s[i]);
  16. 			arr[i]=Integer.valueOf(s[i]);
  17. 			hm.put(arr[i],hm.getOrDefault(arr[i],0)+1);
  18. 		}
  19. 		//System.out.println(hm);
  20.  
  21. 		int que=Integer.valueOf(br.readLine());
  22.  
  23. 		while(que--!=0){
  24. 			int rst=0;
  25. 			int x=Integer.valueOf(br.readLine().trim());
  26. 			//System.out.println(x);
  27. 			if(hm.get(x) != null)
  28. 			{
  29. 				rst=hm.get(x);
  30. 			}
  31. 			wr.write(rst+"\n");
  32.  
  33. 		}
  34.  
  35. 		wr.flush();
  36.  
  37. 	}
  38. }
  39.  
Success #stdin #stdout 0.09s 50136KB
comments (?)
stdin
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9
-6 10 -1 20 -1 15 5 -1 15 
5
-1
10
8
15
20
stdout
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3
1
0
2
1
https://ideone.com/TYDCsO
language:
Java (HotSpot 12)
created:
2 years ago
visibility:
public

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