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
Day 21 of July LeetCode ChallengeGiven a 2D board and a word, find if the word exists in the grid.Jul 21, 2020Jul 21, 2020
Day 20 of July LeetCode ChallengeRemove all elements from a linked list of integers that have value val.Jul 20, 2020Jul 20, 2020
Day 19 of July LeetCode ChallengeGiven two binary strings, return their sum (also a binary string).Jul 19, 2020Jul 19, 2020
Day 18 of July LeetCode ChallengeThere are a total of n courses you have to take, labeled from 0 to n-1.Jul 18, 2020Jul 18, 2020
Day 17 of July LeetCode ChallengeGiven a non-empty array of integers, return the k most frequent elements.Jul 18, 2020Jul 18, 2020
Day 16 of July LeetCode ChallengeImplement pow(x, n), which calculates x raised to the power n (xn).Jul 16, 2020Jul 16, 2020
Day 15 of July LeetCode ChallengeGiven an input string, reverse the string word by word.Jul 15, 2020Jul 15, 2020
Day 14 of July LeetCode ChallengeGiven two numbers, hour and minutes. Return the smaller angle (in degrees) formed between the hour and the minute hand.Jul 14, 2020Jul 14, 2020
Day 13 of July LeetCode ChallengeGiven two binary trees, write a function to check if they are the same or not.Jul 13, 2020Jul 13, 2020
Day 12 of July LeetCode ChallengeReverse bits of a given 32 bits unsigned integer.Jul 13, 2020Jul 13, 2020
