Question Given a string s, the power of the string is the maximum length of a non-empty substring that contains only one unique character. Return the...
Question Sort a linked list using insertion sort. Example 1: Input: 4->2->1->3 Output: 1->2->3->4 Example 2: Input: -1->5->3->4->0 Output:...
This is the second problem posted in Leetcode November 2020 Challenge. Problem Statement Given head which is a reference node to a singly-linked...