Day 41: LeetCode 151 [Reverse Words in a String]
Problem Description: Given an input string s, reverse the order of 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 1: Input: s = "the sky is blue" Output: "blue is sky the"
Link to LeetCode Problem: https://leetcode.com/problems/reverse-words-in-a-string/description/
