C program to Demonstrate the Recursive function.

Write a C program to demonstrate the recursive function.
Recursion  is the programming technique that a process invoking itself again and again. In this program, We reverse the given number and checks it is a palindrome or not. Read more about C Programming Language .

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#include<stdio.h>
#include<conio.h>

int main(){
clrscr();
int num,num1,rev;
printf("nEnter a number :n");
scanf("%d",&num);
num1=num;
//call recursive function
rev=reverse(num);

printf("nAfter reverse the number is :n%d",rev);
if(num1==rev){
printf("nnNumber %d is Palindromen",num1);
}else
{
printf("nnNumber %d is NOT a Palindromen",num1);
}

return 0;
}
int sum=0,r;
reverse(int num){
if(num){
r=num%10;
sum=sum*10+r;
reverse(num/10);
}
else
return sum;
return sum;
}

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