Write a function to determine if a string is a palindrome.

Question

Sigiloso · Accepted Answer

Using the definition: "A Palindrome is a string where the first and last character are the same, and the middle is a palindrome", the code would look like this

bool is_palindrome(char *string, int length) {
  if(length == 1 || length == 0)
    return true;
  if(string[0] == string[length-1])
    return is_palindrome(string+1,length-2);
  else
    return false;
}

Sigiloso · Answer

bool palindrom(char* s, int length)
{
    int l = 0;
    int r = length - 1;
    while (l < r)
    {
        if (s[l] != s[r])
            return false;
        ++l;
        --r;
    }
    return true;
}

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