COUNT UNIQUE CHARACTERS OF ALL SUBSTRINGS OF A GIVEN STRING | LEETCODE 828 | PYTHON SOLUTION

Discord Community:   / discord   Problem Link: https://leetcode.com/problems/count-u... In this video we are solving probably the hardest question I've ever done on the channel: Count Unique Characters of All Substrings of a Given String (Leetcode 828). This question is ridiculous... The solution is easy to code but wrapping your head around how it all works is wild and takes a dry-run or two to get because it's a super clever solution but hard to parse on the first time through. TIMESTAMPS 00:00 Intro 00:11 Question Prompt 00:50 Basic Example 02:38 Solution Intuition 20:34 Coding 28:00 Outro