Last Day of July LeetCode ChallengeYou are climbing a stair case. It takes n steps to reach to the top.Jul 31, 2020Jul 31, 2020

Day 30 of July LeetCode ChallengeGiven a non-empty string s and a dictionary wordDict containing a list of non-empty words, add spaces in s to construct a sentence where…Jul 31, 2020Jul 31, 2020

Day 29 of July LeetCode ChallengeSay you have an array for which the ith element is the price of a given stock on day i.Jul 29, 2020Jul 29, 2020

Day 28 of July LeetCode ChallengeYou are given a char array representing tasks CPU need to do. It contains capital letters A to Z where each letter represents a different…Jul 28, 2020Jul 28, 2020

Day 27 of July LeetCode ChallengeGiven inorder and postorder traversal of a tree, construct the binary tree.Jul 27, 2020Jul 27, 2020

Day 25 of July LeetCode ChallengeSuppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand.Jul 26, 2020Jul 26, 2020

Day 26 of July LeetCode ChallengeGiven a non-negative integer num, repeatedly add all its digits until the result has only one digit.Jul 26, 2020Jul 26, 2020

Day 24 of July LeetCode ChallengeGiven a directed, acyclic graph of N nodes. Find all possible paths from node 0 to node N-1, and return them in any order.Jul 24, 2020Jul 24, 2020

Day 23 of July LeetCode ChallengeGiven an array of numbers nums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the…Jul 23, 2020Jul 23, 2020

Day 22 of July LeetCode ChallengeGiven a binary tree, return the zigzag level order traversal of its nodes’ values. (ie, from left to right, then right to left for the…Jul 22, 2020Jul 22, 2020