Articles
LeetCode
LeetCode is a platform intended for preparing for technical coding interviews and improving coding skills. It presents hundreds of complex (and some less‑complex) problems, and invites users to submit solutions using the programming language of choice. Naturally, where I discuss solutions here, it will almost always be in a front‑end language like JavaScript or TypeScript...
Below you will find a subset of articles from my blog specifically about LeetCode. This is an area that I have worked with for many years, and have managed to write about quite a few times. There are forty‑eight collected together for you below.
Understanding the Backtracking Approach: Solving the 'Word Search' Problem. 
Fast and Slow Pointers: Solving the 'Linked List Cycle' Problem. Fast and Slow Pointers: Solving the 'Linked List Cycle' Problem
Single Number in TypeScript with Bit Manipulation. Single Number in TypeScript with Bit Manipulation
Grid Traversal: Solving the 'Number of Islands' Problem. Grid Traversal: Solving the 'Number of Islands' Problem
Sliding Window Fundamentals: Solving 'Longest Substring Without Repeating Characters'. Sliding Window Fundamentals: Solving 'Longest Substring Without Repeating Characters'
LeetCode: The 'Trapping Rain Water' Problem with Two‑Pointer Approach. LeetCode: The 'Trapping Rain Water' Problem with Two‑Pointer Approach
Horizontal & Vertical Scanning: The Longest Common Prefix Problem. Horizontal & Vertical Scanning: The Longest Common Prefix Problem
Intervals in Practice: Solving the 'Merge Intervals' Problem. Intervals in Practice: Solving the 'Merge Intervals' Problem
Prefix and Suffix Products: Solving 'Product of Array Except Self'. Prefix and Suffix Products: Solving 'Product of Array Except Self'
LeetCode: Removing the nth Node from the End of a List. LeetCode: Removing the
nthNode from the End of a List
The Palindrome Number Problem: Strings vs. Maths in JavaScript. The Palindrome Number Problem: Strings vs. Maths in JavaScript
Finding the Median of Two Sorted Arrays with JavaScript. Finding the Median of Two Sorted Arrays with JavaScript
Validating Parentheses Input Using TypeScript. Validating Parentheses Input Using TypeScript
Solving the 'Letter Combinations of a Phone Number' Problem with TypeScript. Solving the 'Letter Combinations of a Phone Number' Problem with TypeScript
LeetCode: Converting Roman Numerals to Integers. LeetCode: Converting Roman Numerals to Integers
LeetCode: Converting Integers to Roman Numerals. LeetCode: Converting Integers to Roman Numerals
Understanding and Solving Regular Expression Matching. Understanding and Solving Regular Expression Matching
LeetCode Container with Most Water: The Two‑Pointer Solution. LeetCode Container with Most Water: The Two‑Pointer Solution