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KAUSHIK DAS

AI Engineer &
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THEME

← ALL KNOWLEDGE

KNOWLEDGE / DS

Data Structures & Algorithms

Reusable problem-solving models, patterns, and carefully explained solutions.

DS
ArraysBinary SearchTreesGraphsDynamic ProgrammingSliding Window
01

Foundational · 6 min

Sliding Window as a Reusable Pattern

How to recognize and reason about contiguous-range problems without memorizing solutions.

AlgorithmsArraysProblem Solving
Aug 7→
02

Intermediate · 7 min

Graph Traversal and State

A decision framework for BFS, DFS, visited state, and path reconstruction.

AlgorithmsGraphsBFS
Aug 3→