Control Flow: if/else, switch, and Conditional Logic
Learn control flow structures in programming: if/else statements, switch/case, pattern matching, fall-through behavior, and short-circuit evaluation for DSA.
Posts in technical
Loops: For, While, and Do-While Explained
Master iteration constructs in programming: for loops, while loops, do-while loops, termination conditions, off-by-one errors, infinite loops, nested loops, and loop invariants.
Variables & Data Types: The Building Blocks of Programming
Master the fundamentals of variables, primitive and composite data types, type systems, casting, overflow, and precision issues that every developer needs to understand.
Whiteboard Problem Solving: A Technical Interview Playbook
Master solving coding problems on whiteboards. Learn communication strategies, diagram techniques, complexity analysis, and time management for interviews.
1D Dynamic Programming Problems: Classic Patterns
Learn to solve common 1D dynamic programming problems including climbing stairs, house robber, and coin change with optimized space solutions.
2D Dynamic Programming: Matrix Chain and Beyond
Master 2D DP problems with two state variables for string manipulation, matrix chain multiplication, and optimal game strategies.
Arrays vs Linked Lists: Understanding the Trade-offs
Compare arrays and linked lists in terms of access time, insertion/deletion efficiency, memory usage, and cache performance.
Arrays: 1D, 2D, and Multi-dimensional Mastery
Master array operations, traversal, search, common patterns like two-pointer and sliding window, and when to use multi-dimensional arrays.
Articulation Points & Bridges in Graphs
Find critical vertices and edges whose removal disconnects the graph using DFS-based algorithms.
AVL Trees: Self-Balancing Binary Search Trees
Master AVL tree rotations, balance factors, and rebalancing logic. Learn when to use AVL vs Red-Black trees for your use case.