題目描述

给你一个字符串 s ，逐个翻转字符串中的所有单词。

单词是由非空格字符组成的字符串。s 中使用至少一个空格将字符串中的单词分隔开。

请你返回一个翻转 s 中单词顺序并用单个空格相连的字符串。

輸入格式

输入字符串 s 可以在前面、后面或者单词间包含多余的空格。

翻转后单词间应当仅用一个空格分隔。翻转后的字符串中不应包含额外的空格。

["the sky is blue","  hello world  ","a good   example","  Bob    Loves  Alice   ","Alice does not even like bob"]

["blue is sky the","world hello","example good a","Alice Loves Bob","bob like even not does Alice"]