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Udacity Palindromesの私の解答とメモ

Last updated at Posted at 2018-09-19

Udacityでの学習でのメモとして残したいと思います。たびたびこういったことをやろうと思います。たとえ問題に正解したとしてももっといい方法はあったりしますし。

私の解答

qiita.rb
def is_palindrome(s):
    if s[0] == s[-1] and s[1] == s[-2]:
        return True
    elif s == '':
        return True
    else:
        return False

Udacityの先生の解答

qiita.rb
def is_palindrome(s):
  if s == '':
        return True
    else:
       if s[0] == s[-1]:
         return  is_palindrome(s[1:-1])
         else:
            return  False
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