DSA 2019 data structure and algorithm Week 1 python coding style LeetCode debug skill ♞ src code LeetCode - 707. Design Linked List ♞ my code Week 2 LeetCode - 155. Min Stack ♞ my code LeetCode - 232. Implement Queue using Stacks ♞ my code Week 3 LeetCode - 645. Set Mismatch ♞ my code LeetCode - 147. Insertion Sort List ♞ my code Week 4 Assignment - 1. Quick Sort LeetCode - 148. Sort List ♞ my code LeetCode - 912. Sort an Array ♞ my code Understanding time complexity with Python examples Week 5 How to Git ? Video、document Heap Sort Week 6 Merge Sort Assignment - 2. Heap Sort & Merge Sort