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318. 最大单词长度乘积

题目描述

给你一个字符串数组 words ,找出并返回 length(words[i]) * length(words[j]) 的最大值,并且这两个单词不含有公共字母。如果不存在这样的两个单词,返回 0

 

示例 1:

输入:words = ["abcw","baz","foo","bar","xtfn","abcdef"]
输出:16 
解释这两个单词为 "abcw", "xtfn"

示例 2:

输入:words = ["a","ab","abc","d","cd","bcd","abcd"]
输出:4 
解释这两个单词为 "ab", "cd"

示例 3:

输入:words = ["a","aa","aaa","aaaa"]
输出:0 
解释不存在这样的两个单词。

 

提示:

  • 2 <= words.length <= 1000
  • 1 <= words[i].length <= 1000
  • words[i] 仅包含小写字母

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