Palindrome Program in C | Program to Check the Number is Palindrome or not

Here in this program, we will code to check whether an entered number is a palindrome number or not. let's discuss the Palindrome Program in C.

Palindrome Program in C

What is a Palindrome number?

A palindrome number is a special number because it remains the same when its digit gets reversed. For example, 16461 is a palindrome number if you reverse this number still, we get 16461. By default, all the 1-digit numbers are palindrome numbers.

Statements we will use in this program

• While loop
• % (arithmetic modules)
• If…else statement

Logic

• First, we will ask the user to enter a number
• Then using a while loop we will try to reverse the entered number using % and other athematic operation
• At last, we will compare the reversed number with the entered number
• If the number match, we will print the number is a palindrome if not we print its not a palindrome number.

Palindrome Program in C

#include<stdio.h>
int main()
{
int num,x, y=0,rev;
printf("Enter a Number: ");
scanf("%d",&num);
rev= num;
while(rev!=0)
  {
   x= rev%10;
   y=x+(y*10);
   rev=rev/10;
   }

if(num==y)
                printf("%d is a palindrome number",num);
else
                printf("%d is not a palindrome number",num);
}

Output:

Enter a Number: 14641
14641 is a palindrome number

Conclusion

Checking a palindrome number in C is very easy. The only logic it tasks is reversing the number that we want to check for palindrome. And to reverse a number in C we can use the simple logic where we keep dividing the number by 10 until its quotient becomes 0, which can be achieve with this algorithm while(rev!=0)   {    x= rev%10;    y=x+(y*10);   rev=rev/10;    }

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