AlgoArena Blog

Discover what competitive programming is, why it's valuable for your career, and how to get started on your journey to becoming a better problem solver.

Practical, battle-tested advice for acing coding interviews. From problem-solving strategies to communication tips that impress interviewers.

Explore the surprising benefits of competitive programming: faster thinking, better code, and skills that transfer directly to your day job.

A strategic roadmap for landing your dream job at top tech companies. Covers what to study, how to practice, and what interviewers really look for.

Learn from others' failures. These are the most common mistakes candidates make in coding interviews and exactly how to avoid them.

Learn how to solve the classic Two Sum problem using brute force, hash maps, and two-pointer techniques. Perfect for interview prep.

A comprehensive guide to binary search algorithms, covering standard search, rotated arrays, and finding boundaries.

Understand the fundamentals of dynamic programming with clear examples and when to use memoization vs bottom-up approaches.

Practical advice from experienced developers on how to approach coding interviews, manage time, and communicate effectively.

Explore depth-first search and breadth-first search algorithms with visual examples and implementation details.

A beginner-friendly guide to analyzing algorithm efficiency and understanding Big O, Omega, and Theta notation.

Learn how to identify and solve sliding window problems efficiently. Includes common patterns and practice problems.

Comprehensive coverage of tree data structures, including DFS, BFS, tree construction, and common interview problems.

Introduction to system design principles, covering load balancing, caching, databases, and distributed systems fundamentals.

Deep dive into backtracking algorithms with examples including permutations, combinations, and constraint satisfaction problems.