Program to reverse an integer.

#include <stdio.h>

int main() {

int n, reverse = 0, remainder;

printf("Enter an integer: ");
scanf("%d", &n);

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

printf("Reversed number = %d", reverse);

return 0;
}