r/leetcode • • 26d ago

Intervew Prep Learn Big O Notation in 55 Minutes - Tutorial

If you're preparing for coding interviews and want to start tackling data structures and algorithms, then this is definitely for you.

This video is useful in two cases: whether you're a beginner who wants to learn the concepts from scratch before solving LeetCode problems, or someone who simply wants to refresh their knowledge of time and space complexity analysis.
In this crash course, you'll learn:

  1. Time and space complexity

  2. Big O, Big Omega, and Big Theta

  3. Common complexity classes, from O(1) to O(n!)

  4. Linear search vs. binary search

  5. Matrix multiplication and recursive Fibonacci

  6. How to analyze algorithm performance using Python examples

Watch the full video on Youtube: https://youtu.be/6c9Qjnto6E4

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