Code # 29:C Program To Reverse a Number

#include <stdio.h>

main()
{
   int n, reverse = 0;

   printf("Enter a number to reverse\n");
   scanf("%d",&n);

   while (n != 0)
   {
      reverse = reverse * 10;
      reverse = reverse + n%10;
      n = n/10;
   }

   printf("Reverse of entered number is = %d\n", reverse);

   return 0;
}
Output:
Enter a number  to reverse
1234
Reverse of entered is =4321