AlgoArena Blog

Learn algorithms, master coding interviews, and level up your competitive programming skills with our comprehensive guides and tutorials.

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ArraysEasy
Two Sum Problem: Multiple Approaches Explained
Learn how to solve the classic Two Sum problem using brute force, hash maps, and two-pointer techniques. Perfect for interview prep.
ArraysHash MapsInterview Prep
Jan 15, 2025
8 min read
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Binary SearchMedium
Master Binary Search: From Basics to Advanced Patterns
A comprehensive guide to binary search algorithms, covering standard search, rotated arrays, and finding boundaries.
Binary SearchAlgorithmsSearch
Jan 10, 2025
12 min read
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Dynamic ProgrammingMedium
Dynamic Programming for Beginners: Memoization vs Tabulation
Understand the fundamentals of dynamic programming with clear examples and when to use memoization vs bottom-up approaches.
DPAlgorithmsOptimization
Jan 5, 2025
15 min read
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Interview PrepGeneral
10 Essential Tips for LeetCode-Style Technical Interviews
Practical advice from experienced developers on how to approach coding interviews, manage time, and communicate effectively.
InterviewCareerTips
Dec 28, 2024
10 min read
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GraphsMedium
Graph Traversal: Deep Dive into DFS and BFS
Explore depth-first search and breadth-first search algorithms with visual examples and implementation details.
GraphsDFSBFS
Dec 20, 2024
14 min read
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Computer ScienceGeneral
Understanding Time Complexity: Big O Notation Explained
A beginner-friendly guide to analyzing algorithm efficiency and understanding Big O, Omega, and Theta notation.
ComplexityBig OAlgorithms
Dec 15, 2024
11 min read
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ArraysMedium
Master the Sliding Window Technique: Pattern Recognition Guide
Learn how to identify and solve sliding window problems efficiently. Includes common patterns and practice problems.
ArraysTwo PointersPattern Recognition
Dec 10, 2024
13 min read
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TreesMedium
Complete Guide to Tree Algorithms: Traversals, Construction, and More
Comprehensive coverage of tree data structures, including DFS, BFS, tree construction, and common interview problems.
TreesDFSBFS
Dec 5, 2024
16 min read
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System DesignHard
System Design Basics: Building Scalable Applications
Introduction to system design principles, covering load balancing, caching, databases, and distributed systems fundamentals.
System DesignArchitectureScalability
Nov 28, 2024
18 min read
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BacktrackingMedium
Backtracking Algorithms: When and How to Use Them
Deep dive into backtracking algorithms with examples including permutations, combinations, and constraint satisfaction problems.
BacktrackingRecursionAlgorithms
Nov 20, 2024
14 min read
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