Reverse Words in a String

Difficulty

Medium

Note:

This solution has not been accepted by Leetcode although it passes all tests locally and is correct.

Question

Given an input string s, reverse the words.

A word is defined as a sequence of non-space characters. The words in s will be separated by at least one space.

Return a string of the words in reverse order concatenated by a single space.

Note that s may contain leading or trailing spaces or multiple spaces between two words. The returned string should only have a single space separating the words. Do not include any extra spaces.

Example:

Input: s = "the sky is blue"
Output: "blue is sky the"

Link

Reverse Words in a String