746. Min Cost Climbing StairsYou are given an integer array cost where cost[i] is the cost of ith step on a staircase. Once you pay the cost, you can either climb one or two steps.You can either start from the step with index 0, or the step with index 1.Return the minimum cost to reach the top of the floor.Example 1:Input:...

 557. Reverse Words in a String IIIProblem Description:Given a string s, reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order.Example 1:Input: s = "Let's take LeetCode contest"Output: "s'teL ekat edoCteeL tsetnoc"Example 2:Input: s = "God Ding"Output:...