SUM OF DIGITS

• Problem Description

  
  Jagan played maths game with his friend sanjay to find sum of digits of the number he said.
  Help to jagan and sanjay to solve it by your code using union.
  
  Input Method
  
  Integer ranges from 1 to 999
  
  Output Method
  
  sum of digits of the number
  
  Mandatory:
  
  1. Create union name as "Data"
  2. The variable name for union is "data"
  
  

• CODING ARENA

• #include <stdio.h>

  int sum(int num)

  {

    if(num!=0)

    {

      return (num%10+sum(num/10));

    }

    else

      return 0;

  }

  union Data

  {

    int num, res;

  }data;

  
  

  int main()

  {

    scanf("%d",&data.num);

    data.res=sum(data.num);

    printf("%d",data.res);

    return 0;

  }

• 
  

• Test Case 1

  
  Input (stdin)

  123
  
  

  Expected Output

  6

• Test Case 2

  
  Input (stdin)

  345
  
  

  Expected Output

  12