Jorge Villegas

Software Developer

Solving Leetcode 74. Search a 2D Matrix

Write an efficient algorithm that searches for a value target in an m x n integer matrix matrix. This matrix has the following properties: Integers...

Working with 2D Arrays in JavaScript

Summary: in this tutorial, you will learn how to work with a JavaScript 2D array and manipulate its elements effectively. Introduction to 2D arrays What is...

5 Essential Data Structures and how to use them in JavaScript.

As a web developer, it is important to have a strong understanding of data structures. Data structures are used to organize, store, and retrieve...

Solving Leetcode 2. Add Two Numbers

From Leetcode. You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order, and each of their nodes...

Solving Leetcode 98. Validate Binary Search Tree

Given the root of a binary tree, determine if it is a valid binary search tree (BST). A valid BST is defined as follows: The left...

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