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Diffstat (limited to 'circular_sentence.py')
-rw-r--r-- | circular_sentence.py | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/circular_sentence.py b/circular_sentence.py new file mode 100644 index 0000000..9615c1d --- /dev/null +++ b/circular_sentence.py @@ -0,0 +1,34 @@ +# 2490. Circular Sentence + +""" +a sentence is a list of words that are separated by a single space with no +leading or trailing spaces. words consist of only uppercase and lowercase +english letters. uppercase and lowercase english letters are considered +different. a sentence is circular if the last character of a word is equal to +the first character of the next word, the last chracter of the last word is +equal to the first character of the first word. given a string 'sentence', +return 'true' if it is a circular sentence, and 'false' otherwise. +""" + + +class Solution(object): + def isCircularSentence(self, sentence): + """ + :type sentence: str + :rtype: bool + """ + n = len(sentence) + if sentence[0] != sentence[n - 1]: + return False + for i in range(1, n - 1): + if sentence[i] == " ": + if sentence[i - 1] != sentence[i + 1]: + return False + return True + + +if __name__ == "__main__": + obj = Solution() + print(obj.isCircularSentence(sentence="leetcode exercises sound delightful")) + print(obj.isCircularSentence(sentence="eetcode")) + print(obj.isCircularSentence(sentence="Leetcode is cool")) |