#include<stdio.h> int main(){ int num,rev; printf(" \nEnter a number : "); scanf(" %d ",&num); rev=reverse(num); printf(" \nAfter reverse the no is :%d ",rev); return 0; } int sum=0,r; int reverse( int num){ if (num){ r=num%10; sum=sum*10+r; reverse(num/10); } else return sum; return sum; }