第 1 课 链表

21. Merge Two Sorted Lists
141. Linked List Cycle
160. Intersection of Two Linked Lists
206. Reverse Linked List
86. Partition List
92. Reverse Linked List II
138. Copy List with Random Pointer
23. Merge k Sorted Lists

第 2 课 栈、队列、堆

155. Min Stack
225. Implement Stack using Queues
232. Implement Queue using Stacks
215. Kth Largest Element in an Array
946. Validate Stack Sequences
224. Basic Calculator
295. Find Median from Data Stream

第 3 课 贪心算法

455. Assign Cookies
45. Jump Game II
55. Jump Game
376. Wiggle Subsequence
402. Remove K Digits
452. Minimum Number of Arrows to Burst Balloons
871. Minimum Number of Refueling Stops

第 4 课 递归、回溯、分治

22. Generate Parentheses
40. Combination Sum II
78. Subsets
90. Subsets II
51. N-Queens
315. Count of Smaller Numbers After Self

第 5 课 二叉树、图

113. Path Sum II
114. Flatten Binary Tree to Linked List
199. Binary Tree Right Side View
207. Course Schedule
236. Lowest Common Ancestor of a Binary Tree

第 6 课 二分查找、二叉排序树

35. Search Insert Position
33. Search in Rotated Sorted Array
34. Find First and Last Position of Element in Sorted Array
449. Serialize and Deserialize BST
315. Count of Smaller Numbers After Self

第 7 课 哈希表、字符串

409. Longest Palindrome
3. Longest Substring Without Repeating Characters
49. Group Anagrams
187. Repeated DNA Sequences
209. Minimum Size Subarray Sum
76. Minimum Window Substring

第 8 课 搜索

200. Number of Islands
473. Matchsticks to Square
126. Word Ladder II
127. Word Ladder
407. Trapping Rain Water II

第 9 课 动态规划

53. Maximum Subarray
70. Climbing Stairs
64. Minimum Path Sum
120. Triangle
198. House Robber
300. Longest Increasing Subsequence
322. Coin Change
174. Dungeon Game

第 10 课 复杂数据结构

208. Implement Trie (Prefix Tree)
211. Design Add and Search Words Data Structure
307. Range Sum Query - Mutable
547. Number of Provinces