题解 | #最长公共前缀#

#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 
# @param strs string字符串一维数组 
# @return string字符串
#
from typing import List

class Solution:
    def longestCommonPrefix(self, strs: List[str]) -> str:
        # write code here
        if not strs:
            return ""
        n = len(strs[0])
        for i in range(n):
            for j in range(1, len(strs)):
                if i == len(strs[j]) or strs[j][i] != strs[0][i]:
                    return strs[0][:i]
        return strs[0]