C Program to Check Whether a Number is Palindrome or Not

C Program to Check Whether a Number is Palindrome or Not

 #include <stdio.h>

int main()

{

    int n, reversedInteger = 0, remainder, originalInteger;

    printf("Enter an integer: ");

    scanf("%d", &n);

    originalInteger = n;

    // reversed integer is stored in variable

    while( n!=0 )

    {

        remainder = n%10;

        reversedInteger = reversedInteger*10 + remainder;

        n /= 10;

    }

    // palindrome if orignalInteger and reversedInteger are equal

    if (originalInteger == reversedInteger)

        printf("%d is a palindrome.", originalInteger);

    else

        printf("%d is not a palindrome.", originalInteger);

    return 0;

}

Output:

Enter an integer: 1001

1001 is a palindrome.

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