3031. Minimum Time to Revert Word to Initial State II

class Solution:
    def minimumTimeToInitialState(self, word: str, k: int) -> int:
        for i in range(k,len(word),k):
            if word.startswith(word[i:]):return int(i/k)
        return ceil(len(word)/k)

其实如果找到前缀任务就完成了

思维题