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Lan小站-嗯,不错! - 算法刷题

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14. 最长公共前缀 - Lan小站-嗯,不错!
Lan · 2023-09-15 · via Lan小站-嗯,不错! - 算法刷题

Lan

2023-09-15 / 0 评论 / 324 阅读 / 正在检测是否收录...

本文最后更新于2023年09月15日,已超过1003天没有更新,若内容或图片失效,请留言反馈。

编写一个函数来查找字符串数组中的最长公共前缀。

如果不存在公共前缀,返回空字符串 ""。

示例 1:

输入:strs = ["flower","flow","flight"]
输出:"fl"
示例 2:

输入:strs = ["dog","racecar","car"]
输出:""
解释:输入不存在公共前缀。

提示:

1 <= strs.length <= 200
0 <= strs[i].length <= 200
strs[i] 仅由小写英文字母组成

class Solution:
    def longestCommonPrefix(self, strs: List[str]) -> str:
        index, res, min_len = 0, "", min([len(s) for s in strs]),
        for i in range(min_len):
            temp = ''
            for j in strs:
                if temp == '':
                    temp = j[i]
                elif j[i] != temp:
                    return res
            res += temp
        return res

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