- 算法资源：https://practice.geeksforgeeks.org/explore/?company%5B%5D=Amazon&problemType=functional&page=1&sortBy=submissions&company%5B%5D=Amazon，类似LeetCode，各种算法题加练习；
- https://leetcode-cn.com/problems/longest-palindromic-substring/，LeetCode，无需多言；
- 十大经典排序算法，九种语言实现：https://www.runoob.com/w3cnote_genre/algorithm
- Problem Solving with Algorithms and Data Structures using Python：https://runestone.academy/runestone/books/published/pythonds/index.html
数据结构与算法资源集锦