problem 1

#include<stdio.h>
int reverse( num)
{
    int r;
int r_num=0;
    while(num!=0)
{
    r=num%10;
    r_num=r_num*10+r;
    num=num/10;
}
    return r_num;
}

int main()
{
int num,r,temp;
printf("Enter a number:");
scanf("%d",&num);
printf("Orginal number:%d",num);

printf("\nReverse number:%d",reverse(num));
}