To reverse the given number

/* To reverse the given number */

#include<stdio.h>

#include<conio.h>

void main()

{

  int num,n1,a,rev=0;

  clrscr();

  printf("Enter the number: ");

  scanf("%d",&num);

  n1=num;

  while(num!=0)

  {

    a=num%10;

    rev=rev*10+a;

    num=num/10;

  }

  printf("\n\nReverse of given number %d --> %d",n1,rev);

  getch();

}

 

OUTPUT

Enter the number: 4297

 

Reverse of given number 4297 --> 7924