Wenwei XuinMaking of a MillionaireYou can have $65 Million through 401(k)Before we get started, how do you feel when you hear the word 401(k)? Do you feel uncomfortable, annoyed, or guilty? The truth is, most of…Jun 28, 2020Jun 28, 2020
Wenwei XuSome experiments on optimizing Python performance and vectorizationPython by default is not fast, and looping through something can be especially slow.Feb 19, 2020Feb 19, 2020
Wenwei XuThe Hometown’s Willow TreeToastmaster Storytelling Manual, Project #4, The Touching StoryJan 31, 20201Jan 31, 20201
Wenwei XuIn the Woods of AlaskaToastmasters Storytelling Manual, Project #3, The Moral of the StoryOct 25, 2019Oct 25, 2019
Wenwei XuHackerrank Flipping Bits Python solutionFlip all the bits and print the result as an unsigned integer.Sep 3, 20191Sep 3, 20191
Wenwei XuHackerrank Minimum Time Required Python solutionLink:https://www.hackerrank.com/challenges/minimum-time-required/problemSep 3, 20191Sep 3, 20191
Wenwei XuHackerrank Pairs Python solutionYou will be given an array of integers and a target value k. Determine the number of pairs of array elements that have a difference equal…Sep 2, 20191Sep 2, 20191
Wenwei XuTriple Sum Hackerrank Python solutionGiven 3 arrays a, b, and c of different sizes, find the number of distinct triplets (p,q,r) where p, q, and r are representative elements…Sep 2, 2019Sep 2, 2019
Wenwei XuHackerrank Hash Tables - Ice Cream Parlor Python solutionIce Cream has a list of price [cost[0], cost[1],…].Sep 2, 20191Sep 2, 20191
Wenwei XuHackerrank Is This a Binary Search Tree Python solutionFor the purposes of this challenge, we define a binary search tree to be a binary tree with the following properties:Sep 2, 20191Sep 2, 20191