Time Complexity - Complete Lecture Notes

Coder Army | First Principles Approach

Table of Contents

1. Why Time Complexity Matters
2. What is Time Complexity?
3. Counting Operations
4. Growth Patterns
5. Big-O, Omega, and Theta Notations
6. Common Time Complexities
7. Practice Programs
8. Important Rules
9. Space Complexity
10. Practice Exercises

1. Why Time Complexity Matters

The Problem: Speed Matters!

Imagine you write two programs that solve the same problem: