#include<stdio.h>
#include<conio.h>
void main()
{
int i,j;
printf("enter a number");
scanf("%d",&i);
for(int n=1;n<=5;n++)
{
j=i%10;
i=i/10;
printf("%d",j);
}
getch();
}

#include<stdio.h>
#include<conio.h>
void main()
{
int i,j;
printf("enter a number");
scanf("%d",&i);
for(int n=1;n<=5;n++)
{
j=i%10;
i=i/10;
printf("%d",j);
}
getch();
}

void main()
{
	int num, temp;
	for(;;) {
		printf("Enter number:");
		scanf("%d",&num);
		if(num == 0) break;
		while(num) {
			temp = num%10;
			num = num/10;
			printf("%d", temp);
		}
		printf("\n");
	}
        getche();
}
So any number will be reversed here. 12345 is five digit
number. Using while we can generalize the number of digits.
The continuous loop is ended when 0 is entered.