HW12.2

#include <stdio.h>
#include <conio.h>

void reverseInt (int *a) {
    int unit = 10, tmp = *a;
    *a = 0;
    while (tmp > 0) {
        *a *= unit;
        *a += tmp % 10;
        tmp /= 10;
    }
    return;
}

int main () {
    int a;
    printf("Nhap so a: ");
    scanf("%d", &a);
    printf("\nreverseInt(%d) = ", a);
    reverseInt(&a);
    printf("%d\n", a);
    getch();
    return 0;
}