Data Structures and Algorithms Notes

Master Data Structures & Algorithms

These comprehensive notes are designed for aspirants preparing for competitive exams and technical interviews. The content is structured to build strong fundamentals and problem-solving skills.

Key Topics Covered:

• Arrays & Strings: Operations, sliding window, two-pointer techniques.

• Linked Lists: Singly, doubly, circular, and common interview questions.

• Stacks & Queues: Implementation, applications, and practice problems.

• Trees: Binary trees, BST, traversals, and advanced tree problems.

• Graphs: BFS, DFS, shortest path, and minimum spanning tree algorithms.

• Sorting & Searching: All major algorithms with complexity analysis.

• Dynamic Programming: Patterns and classic problems with solutions.

• Greedy Algorithms & More: Essential techniques for cracking coding rounds.

Why These Notes?

• Concise and exam-focused content

• Step-by-step explanations with examples

• Code snippets in multiple languages (C++, Java, Python)

• Practice questions with solutions

• Ideal for UPSC CSE (CS optional), GATE, and programming interviews