难度:简单
给你一个字符串
sequence,如果字符串word连续重复k次形成的字符串是sequence的一个子字符串,那么单词word的 重复值为k。单词word的 最大重复值 是单词word在sequence中最大的重复值。如果word不是sequence的子串,那么重复值k为0。给你一个字符串
sequence和word,请你返回 最大重复值k。示例 1:
输入:sequence = "ababc", word = "ab" 输出:2 解释:"abab" 是 "ababc" 的子字符串。示例 2:
输入:sequence = "ababc", word = "ba" 输出:1 解释:"ba" 是 "ababc" 的子字符串,但 "baba" 不是 "ababc" 的子字符串。示例 3:
输入:sequence = "ababc", word = "ac" 输出:0 解释:"ac" 不是 "ababc" 的子字符串。提示:
1 <= sequence.length <= 1001 <= word.length <= 100sequence和word都只包含小写英文字母。题解:
class Solution: def maxRepeating(self, sequence: str, word: str) -> int: c = 0 i = 1 while True: if word * i in sequence: c += 1 i += 1 if word * i not in sequence: break return c


















