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C program to check number is palindrome or not using Recursion

robaa
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2022-11-25
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Write a C program to check number is palindrome or not using Recursion. Here’s simple program to check number is palindrome or not using Recursion in C Programming Language.

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robaa
2022-11-25
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Recursion : :

  • Recursion is the process of repeating items in a self-similar way. In programming languages, if a program allows you to call a function inside the same function, then it is called a recursive call of the function.
  • The C programming language supports recursion, i.e., a function to call itself. But while using recursion, programmers need to be careful to define an exit condition from the function, otherwise it will go into an infinite loop.
  • Recursive functions are very useful to solve many mathematical problems, such as calculating the factorial of a number, generating Fibonacci series, etc.

Here is the source code of the C program to check number is palindrome or not using Recursion. The C Program is successfully compiled and run on a Windows system. The program output is also shown below.

 
 

SOURCE CODE : :

/*  C program to check number is palindrome or not using Recursion  */

#include<stdio.h>

int checkPalindrome(int);
int main(){
    int num,sum;

    printf("Enter any number :: ");
    scanf("%d",&num);

    sum = checkPalindrome(num);

    if(num==sum)
         printf("\n%d is a palindrome\n",num);
    else
    printf("\n%d is not a palindrome\n",num);

    return 0;
}

int checkPalindrome(int num){

    static int sum=0,r;

    if(num!=0){
         r=num%10;
         sum=sum*10+r;
         checkPalindrome(num/10);
    }

    return sum;
}

Output : :

/*  C program to check number is palindrome or not using Recursion  */

Enter any number :: 1234321

1234321 is a palindrome

Process returned 0

Above is the source code for C program to check number is palindrome or not using Recursion which is successfully compiled and run on Windows System.The Output of the program is shown above .

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C Recursion Solved Programs – C Programming
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