fork download
copy 
  1. import java.util.*;
  2. import java.io.*;
  3. class Q2
  4. {
  5. 	public static void main(String args[])
  6. 	{
  7. 		Scanner d=new Scanner(System.in);
  8. 		int i,j,t;
  9. 		long x,n;
  10. 		char ch;
  11. 		t=d.nextInt();
  12. 		for(i=0;i<t;i++)
  13. 		{
  14. 			long temp=0L,d1,small;
  15. 			n=d.nextLong();
  16. 			x=d.nextLong();
  17. 			for(j=1;x>temp;j++)
  18. 			temp=temp+(9*((long)Math.pow(10,j-1))*j);
  19. 		    --j;
  20. 			temp-=9*(long)Math.pow(10,j-1)*j;
  21. 			x=x-temp;
  22. 			d1=x%j;
  23.  			x=x/j;
  24.             small=(long)Math.pow(10,j-1);
  25.             if(j==1)
  26.             System.out.println(x);
  27.             else
  28.             {
  29.             	small+=x;
  30. 		        String s="";
  31. 		        s=Long.toString(small);
  32. 		        ch=s.charAt((int)d1-1);
  33. 		        System.out.println(ch);
  34. 	     	}
  35.     	}
  36.     }
  37. }
Success #stdin #stdout 0.09s 380672KB
comments (?)
stdin
copy 
3
10 5
100 100
10000000 100000067
stdout
copy 
5
5
3
https://ideone.com/qgeJtc
language:
Java (12.0.1)
created:
9 years 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!