Nil's Blog
Teaching DS&A · research highlights · SWE thoughts · building in public
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Get Binary Search Right Every Time, Explained Without Code
DS&A
A binary search recipe that works for every problem, explained without code.
Problem Solving BCtCI Style
DS&A
A problem walkthrough using the concepts from Beyond Cracking the Coding Interview.
Heapify Analysis Without Math
DS&A
A proof that heapify takes linear time without using complex equations.
Lazy vs Eager Algorithms
DS&A
Exploring the tradeoffs between lazy and eager implementations of common algorithms.
Actually Implementing Dijkstra's Algorithm
DS&A
A comprehensive guide to different implementations of Dijkstra's algorithm, with code.
Breaking Down Dynamic Programming
DS&A
A step-by-step guide to understanding and implementing dynamic programming algorithms with practical examples.
Iterative Tree Traversals: A Practical Guide
DS&A
A guide to implementing preorder, inorder, and postorder tree traversals iteratively.