Medium

William Pei Yuan

William Pei Yuan

·

Aug 13, 2023

Binary Tree Vertical Order Traversal

Given the root of a binary tree, return the vertical order traversal of its nodes' values. (i.e., from top to bottom, column by column).

Binary Tree Vertical Order Traversal

William Pei Yuan

·

Aug 5, 2023

Create a Binary Search Tree

This code takes an array that represents a binary tree in level-order traversal (root node at the beginning (index 0), then level by level…

Create a Binary Search Tree

William Pei Yuan

·

Aug 5, 2023

Validate Binary Search Tree

Given the root of a binary tree, we are to determine if it is a valid binary search tree (BST). A valid BST follows these properties:

Validate Binary Search Tree

William Pei Yuan

·

Aug 4, 2023

Container With Most Water

Given an array where each element represents the height of a vertical line on a chart. The goal is to find two lines, which together with…

Container With Most Water

William Pei Yuan

·

Aug 4, 2023

Best Time to Buy and Sell Stock

Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one…

Best Time to Buy and Sell Stock

William Pei Yuan

·

Aug 4, 2023

3 Sum Zero

solution for https://leetcode.com/problems/3sum/

3 Sum Zero

In

Powermoves never die, it evolves

by

William Pei Yuan

·

Feb 3, 2020

An iterative guide to training powermoves for longevity: Part 1 — Airflares intro

Training, maintaining, conditioning and/or rehabilitating your airflares for longevity. Part 1 is the setup of the g-force airflare…

An iterative guide to training powermoves for longevity: Part 1 — Airflares intro

In

Powermoves never die, it evolves

by

William Pei Yuan

·

Jan 27, 2020

An iterative guide to training powermoves for longevity: Part 1 — Flares intro

Training, maintaining, conditioning and/or rehabilitating your flares for longevity. Part 1 is the setup of the g-force flare machine and…

An iterative guide to training powermoves for longevity: Part 1 — Flares intro

In

Powermoves never die, it evolves

by

William Pei Yuan

·

Jan 27, 2020

An iterative guide to training powermoves for longevity — Intro & faqs.

Introduction & FAQs with the gravity force training machines. (*The guides are combinations of paraphrased g-force manual information…

collage of bboys

William Pei Yuan

·

Aug 13, 2019

The JavaScript map() w/in ReactJS — a simple example.

I have written a code sandbox (https://codesandbox.io/) example of using the all-powerful JavaScript map function with ReactJS (CRA —…

The JavaScript map() w/in ReactJS — a simple example.

William Pei Yuan

William Pei Yuan

Software Engineer & Bboy. Passionate @ solving digital and human problems. https://supwill.dev / linkedin.com/in/williampeiyuan/

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