Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string "". Example 1: Input: ["flower","flow","flight"] Output: "fl" Exa…
Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string "". Example 1: Input: ["flower","flow","flight"] Output: "fl" Exa…
题目 Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix,return an empty string "". Example1: Input:["flower","flow","flight"] Output:"fl"…