Reverse of Digits

• Problem Description

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

• Test Case 1

  
  Input (stdin)

  134
  
  

  Expected Output

  431

• Test Case 2

  
  Input (stdin)

  1345
  
  

  Expected Output

  5431

• Program

• #include <stdio.h>
  union reverse
  {
    int n;
  }R;
  int main()
  {
    int remainder,s=0;
    scanf("%d",&R.n);
    while(R.n>0)
    {
      remainder=R.n%10;
      s=s*10+remainder;
      R.n=R.n/10;
    }
    printf("%d",s);
    return 0;
  }