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.
Backtracking Decision Trees: Solving 'Combination Sum'. 
Solving the 'Jump Game' Problem with Greedy Algorithms. Solving the 'Jump Game' Problem with Greedy Algorithms
Dynamic Programming in LeetCode: Solving 'Coin Change'. Dynamic Programming in LeetCode: Solving 'Coin Change'
LeetCode: Finding the Diameter of a Binary Tree. LeetCode: Finding the Diameter of a Binary Tree
Topological Sort: Solving the 'Course Schedule' Problem. Topological Sort: Solving the 'Course Schedule' Problem
Multi‑Source BFS: Solving the 'Rotting Oranges' Problem. Multi‑Source BFS: Solving the 'Rotting Oranges' Problem
Quickselect in TypeScript: Solving 'Kth Largest Element in an Array'. Quickselect in TypeScript: Solving 'Kth Largest Element in an Array'
Find Peak Element: Binary Search Without a Fully Sorted Array. Find Peak Element: Binary Search Without a Fully Sorted Array
Graph Traversal: Solving the 'Course Schedule' Problem. Graph Traversal: Solving the 'Course Schedule' Problem
Modified Binary Search: Solving 'Search in Rotated Sorted Array'. Modified Binary Search: Solving 'Search in Rotated Sorted Array'
LeetCode: Solving the 'Merge Two Sorted Lists' Problem. LeetCode: Solving the 'Merge Two Sorted Lists' Problem
Binary Search on the Answer: Solving 'Koko Eating Bananas'. Binary Search on the Answer: Solving 'Koko Eating Bananas'
Monotonic Stack: Solving the 'Daily Temperatures' Problem. Monotonic Stack: Solving the 'Daily Temperatures' Problem
Generate Parentheses in TypeScript: A Clean Backtracking Walkthrough. Generate Parentheses in TypeScript: A Clean Backtracking Walkthrough
Implementing a Trie in TypeScript: Solving 'Implement Trie (Prefix Tree)'. Implementing a Trie in TypeScript: Solving 'Implement Trie (Prefix Tree)'
Solving the LeetCode 'Binary Tree Zigzag Level Order Traversal' Problem. Solving the LeetCode 'Binary Tree Zigzag Level Order Traversal' Problem
Breadth‑First Search: Solving Binary Tree Level Order Traversal. Breadth‑First Search: Solving Binary Tree Level Order Traversal
Prefix Sums and Hash Maps: Solving 'Subarray Sum Equals K'. Prefix Sums and Hash Maps: Solving 'Subarray Sum Equals K'