For inputString = "aabaa", the output should be
checkPalindrome(inputString) = true;
For inputString = "abac", the output should be
checkPalindrome(inputString) = false;
For inputString = "a", the output should be
checkPalindrome(inputString) = true.
[execution time limit] 4 seconds (rb)
[input] string inputString
A non-empty string consisting of lowercase characters.
Guaranteed constraints:
1 ≤ inputString.length ≤ 105.
[output] boolean
true if inputString is a palindrome, false otherwise.
нужно было добавить метод .chomp [18 строка]