A programme to check palindrome?

Question

Accepted Answer

A programme to check if a given string is a palindrome.

Create a function that takes a string as input.
Convert the string to lowercase and remove any non-alphanumeric characters.
Reverse the string and compare it to the original string.
If they are the same, return true. Otherwise, return false.

Accepted Answer

A palindrome number is a number that is same after reverse. For example 121, 34543, 343, 131, 48984 are the palindrome numbers.

Palindrome number algorithm

Get the number from user
Hold the number in temporary variable
Reverse the number
Compare the temporary number with reversed number
If both numbers are same, print palindrome number
Else print not palindrome number

Let's see the palindrome program in C. In this c program, we will get an input from the user and check whether number is palindrome or not.

 
#include  
int main()    
{    
int n,r,sum=0,temp;    
printf("enter the number=");    
scanf("%d",&n);    
temp=n;    
while(n>0)    
{    
r=n%10;    
sum=(sum*10)+r;    
n=n/10;    
}    
if(temp==sum)    
printf("palindrome number ");    
else    
printf("not palindrome");   
return 0;  
}   

Output:

enter the number=151
palindrome  number

enter the number=5621
not palindrome  number

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A programme to check palindrome?

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