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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Codechef
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		// your code goes here
  10. 		Scanner sc=new Scanner(System.in);
  11. 		int t=sc.nextInt();
  12. 		while(t-->0){
  13. 		    int n=sc.nextInt();
  14. 		    int y=sc.nextInt();
  15. 		    int [] ar=new int[n];
  16. 		    for(int i=0;i<n;i++){
  17. 		        ar[i]=sc.nextInt();
  18. 		    }
  19. 		    int ok=solve(ar,y);
  20. 		    System.out.println(ok);
  21. 		}
  22. 		sc.close();
  23. 	}
  24.  
  25. 	public static int solve(int []ar,int y){
  26. 	    int [][] dp=new int[ar.length+1][y+1];
  27. 	    dp[0][0]=1;
  28. 	    for(int i=1;i<=ar.length;i++){
  29. 	        for(int j=0;j<=y;j++){
  30. 	            dp[i][j] = dp[i - 1][j];
  31.                 if (j >= ar[i - 1]) {
  32.                     dp[i][j] += dp[i - 1][j - ar[i - 1]];
  33.                 }
  34. 	        }
  35. 	    }
  36. 	    return dp[ar.length][y];
  37. 	}
  38. }
  39.  
Success #stdin #stdout 0.14s 56624KB
comments (?)
stdin 
3
5 9
6 3 6 5 1
5 50
6 3 6 5 1
5 6
6 3 6 5 1
stdout 
3
0
3
https://ideone.com/4q7r83
language:
Java (HotSpot 12)
created:
3 days ago
visibility:
public

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