2490. Circular Sentence

Problem

Approach

Split each word, then concatenate the sentence with itself (e.g., "abc" → "abcabc"). Check whether the last character of each word equals the first character of the next word (wrapping around).

Code

class Solution:
    def isCircularSentence(self, sentence: str) -> bool:
        sentence = sentence.split(' ')
        length = len(sentence)
        sentence += sentence
        for i in range(0, length):
            if sentence[i][-1] != sentence[i+1][0]:
                return False
        return True

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2490. Circular Sentence

Problem

Approach

Code

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