REMOVE DUPLICATE LETTERS | LEETCODE 316 | PYTHON STACK SOLUTION

Channel Discord Community:   / discord   Problem Link: https://leetcode.com/problems/remove-... Today we are solving a tricky little string problem: Leetcode # 316: Remove Duplicate Letters. On the surface this problem seems easy because removing the duplicates is an easy task but then guaranteeing that the string is lexicographically the smallest possible is the tricky part. TIMESTAMPS 00:00 Intro 00:10 Question Prompt 00:25 Basic Example 02:02 Solution Intuition 11:20 Coding 15:40 Time/Space Complexity Analysis 18:00 Outro