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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 in=new Scanner(System.in);
  14.         int n=in.nextInt();
  15.          int k=in.nextInt();
  16.         int x=sum_digit(n,k);
  17.         System.out.print(x);
  18. 	}
  19. 	public static int sum_digit(int a, int b){
  20. 		int p=a;
  21. 		int count=0;
  22. 		while(p>0){
  23. 			count++;
  24. 			p=p/10;
  25. 		}
  26. 		int s=a;
  27. 			int[] arr=new int[count];
  28. 				int sum=0;
  29. 			for(int i=0;i<=b;i++){
  30. 			int d=s%10;
  31. 			s=s/10;
  32. 			arr[i]=d;
  33. 			sum=sum+arr[i];
  34. 		}
  35. 		return sum;
  36. 	}
  37. }
Success #stdin #stdout 0.13s 47464KB
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https://ideone.com/DuEuur
language:
Java (HotSpot 12)
created:
2 years ago
visibility:
public

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