BasicCS-100DaysofDS

This repository contains a structured 100-day Data Structures and Algorithms challenge with one notebook per topic/problem.

Each notebook includes:

• Concept notes
• Python example code
• Java snippet
• Mini-project idea
• Practice checklist
• Blog prompts

Learning Modules

1) Introduction to Data Structures and Algorithms (Days 1-40)

Path: 01-Introduction-to-Data-Structures-and-Algorithms

• 00-Program-Guide/00-roadmap-and-tracker.ipynb
• 01-Basics (Basics, Variables, Data Types, DS, ADT, Algorithms)
• 02-Algorithm-Analysis-and-Growth
• 03-Types-of-Analysis-and-Notation
• 04-Asymptotic-Notation-and-Complexities
• 05-Recurrence-and-Master-Theorem
• templates (daily problem + blog templates)

2) Recursion and Backtracking (Days 41-94)

Path: 02-Recursion-and-Backtracking

• 00-Program-Guide/00-recursion-backtracking-tracker.ipynb
• 01-Recursion-Foundations
• 02-Types-of-Recursion
• 03-Recursion-Practice-Problems
• 04-Backtracking-Foundations
• 05-Backtracking-Practice-Problems
• templates (daily reflection template)

3) Arrays and Strings (Days 95-142)

Path: 03-Arrays-and-Strings

• 00-Program-Guide/00-arrays-strings-tracker.ipynb
• 01-Arrays-Foundations
• 02-Arrays-Practice-Problems
• 03-Strings-Foundations
• 04-Strings-Practice-Problems
• 05-2D-Arrays-Foundations
• 06-2D-Arrays-Practice-Problems
• templates

4) Book-Aligned DSA Roadmap (Days 143-275)

Path: 04-Book-DSA-Roadmap

• 00-Program-Guide/00-book-roadmap-tracker.ipynb
• 01-Linked-Lists to 24-Advanced-Heaps
• 25-Interview-Patterns-Arrays to 31-Interview-Patterns-Advanced
• 32-Revision
• templates

Daily Workflow

1. Open today's notebook by day number.
2. Read concept notes and run the example code.
3. Solve one problem and complete the practice solution + tests section.
4. Push your solution to GitHub.
5. Publish a short blog post using the template.

Reference

• DataStructureAndAlgorithms