SUM OF DIGITS

• Problem Description

  
  " You're given an integer N. Write a program to calculate the sum of all the digits of N.
  Input
  
  The first line contains an integer T, total number of testcases. Then follow T lines, each line contains an integer N.
  Output
  
  Calculate the sum of digits of N.
  Constraints
  
  1 <= T <= 1000
  1 <= N <= 100000
  "
  

• CODING ARENA

• #include <stdio.h>

  int main()

  {

    int a,n,i,s=0,r;

    scanf("%d",&a);

    scanf("%d",&n);

    for(i=0;i<a;i++)

    {

      while(n)

      {

        r=n%10;

        s=s+r;

        n=n/10;

      }

      printf("%d",s);

    }

        

    

  
  

  return 0;

  }

• Test Case 1

  
  Input (stdin)

  1
  
  12345
  
  

  Expected Output

  15

• Test Case 2

  
  Input (stdin)

  1
  
  31203
  
  

  Expected Output

  9