Reverse of an integer

Posted on Apr 7, 2020

C program to reverse an integer number.

Program

#include<stdio.h>
#include<conio.h>
void main()
{
	int num, rev_num, rem;

    printf("Enter the number\t:");
    scanf("%d",&num);

    rev_num = 0;
    while(num != 0)
    {
        rem = num % 10;
        rev_num = rev_num * 10 + rem;
        num = num / 10;
    }

    printf("Reverse Number\t:%d",rev_num);
    getch();
}

Output

Enter the number        :456
Reverse Number  :654