BrianWFind Duplicate Number in Array(leetcode 287)The question asks to find the duplicate items from an array. The normal solution is to sort the array and find duplicate items. But there…Jun 6, 2020Jun 6, 2020
BrianWComparison among array sorting algorithms(leetcode 912)The requirement of the question is sorting an integer array. The article will compare different sorting algorithms.Jun 5, 2020Jun 5, 2020
BrianWStack Implement Queue/Queue Implement Stack(leetcode 225/232)Stack and Queue are both structures for storing data. The only difference is that when we want to get data from the structure, a stack…Jun 4, 2020Jun 4, 2020
BrianWDeploying React.js + Express.js App on Alibaba Cloud ECS ServerThe article will briefly introduce the steps taken to deploy a react app with an express back end on an Alibaba ECS.Jun 3, 2020Jun 3, 2020
BrianWPlant different flower in the adjacent garden(leetcode 1042)Plant 4 different kinds of flowers in N different gardens. The limitation is that we cannot plant the same kind of flower in the adjacent…Jun 3, 2020Jun 3, 2020
BrianWGetting the sum of subarrays inside an array(leetcode 1343)Given an array of integer, find all subarrays inside the original array with fixed size k and an average beyond a threshold.Jun 2, 2020Jun 2, 2020
BrianWIterative Print Inorder Tree(leetcode 94)As the question suggests, the recursion method is trivial. To print the tree iteratively, we can use the following method:Jun 2, 2020Jun 2, 2020