Arrays & hashing

Lesson 33 of 76

Longest Consecutive Sequence - Leetcode 128 - Python

Interview-style Python walkthrough and explanation from the course playlist.

Watch on YouTube
1

Understand

Identify the inputs, output, and edge cases.

2

Try it

Pause and sketch a solution before the implementation begins.

3

Compare

Finish the walkthrough, then explain the complexity aloud.