LeetCode318——Maximum Product of Word Lengths,从time limit exceeded到accept
Givenastringarray words,findthemaximumvalueof length(word[i])*length(word[j]) wherethetwowordsdonotsharecommonletters.Youmayassumethateachwordwillcontainonlylowercaseletters.Ifnosuchtwowordsexist,retu