Blog
Articles about algorithms, data structures, and computer science
Breadth-First Search (BFS): A Complete Guide
Learn how Breadth-First Search works, why it is important, and how to implement it. This guide explains BFS step-by-step with intuition, examples, complexity analysis, and real-world applications.
Depth-First Search (DFS): A Complete Guide
Learn how Depth-First Search works, why it is important, and how to implement it. This guide explains DFS step-by-step with intuition, examples, complexity analysis, and practical applications.
Dijkstra's Algorithm: Finding the Shortest Path
Learn how Dijkstra's algorithm computes the shortest paths in weighted graphs and why it is widely used in navigation systems and networking.
A* Pathfinding Algorithm Explained
Discover how the A* algorithm finds optimal paths efficiently using heuristics. A* is widely used in games, robotics, and navigation systems.
Dynamic Programming: The Mental Model That Turns Impossible Problems Into Simple Ones
Struggling with dynamic programming? Learn the mental model that top engineers use to break down complex problems into simple, efficient solutions.
Big-O in Practice: Why Slow Code Can Destroy Your Product
Understand how Big-O impacts real-world performance and why inefficient code can silently break your product as it scales.
The 8 Data Structures That Appear in 90% of Coding Interviews
Focus on the core data structures that dominate coding interviews and dramatically improve your problem-solving skills.