A Program to Reverse an Integer

In this example, we are giving a program to reverse an integer given by user.

Program to reverse an integer:

  1. #include <stdio.h>
  2. int main()
  3. {
  4.     int n, reversedNumber = 0, remainder;
  6.     printf("Enter an integer: ");
  7.     scanf("%d", &n);
  9.     while(n != 0)
  10.     {
  11.         remainder = n%10;
  12.         reversedNumber = reversedNumber*10 + remainder;
  13.         n /= 10;
  14.     }
  16.     printf("Reversed Number = %d", reversedNumber);
  18.     return 0;
  19. }

Output:

Enter an integer: 1234
Reversed Number = 4321

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