PRF192 ws3.q3

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

int reverse(int a); /* find the reverse of a */
int main() {
    int m,n,a;
    char ch, chr;

    /* input & check validation*/
    while (1) {
        printf("Enter m, n: ");
        fflush(stdin);
        scanf("%d%c%d%c", &m, &ch, &n, &chr);
        if (ch == ' ' && chr == '\n' && m<n) {
            break;
        }
        else {
            printf("Invalid input!\n");
        }
    }

    /* find palindrome numbers */
    printf("Palindrome numbers are:");
    for (int i = m; i<=n; i++) {
       if(i == reverse(i)) {
        printf(" %d,", i);
       }
    }

    return(0);
}

/* function find the reverse of a */
int reverse(int a){
    int c,x,rv;
    x=1; rv=0;
    while (a>0) {
        c=a%10;
        rv= rv*10 +c;
        a/=10;
    }
    return (rv);
}