两数之和题目： https://leetcode-cn.com/problems/two-sum/
Array 实战题目
https://leetcode-cn.com/problems/container-with-most-water/
https://leetcode-cn.com/problems/move-zeroes/
https://leetcode.com/problems/climbing-stairs/
https://leetcode-cn.com/problems/3sum/ (高频老题）
Linked List 实战题目
https://leetcode.com/problems/reverse-linked-list/
https://leetcode.com/problems/swap-nodes-in-pairs
https://leetcode.com/problems/linked-list-cycle
https://leetcode.com/problems/linked-list-cycle-ii
https://leetcode.com/problems/reverse-nodes-in-k-group/
课后作业
https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array/
https://leetcode-cn.com/problems/rotate-array/
https://leetcode-cn.com/problems/merge-two-sorted-lists/
https://leetcode-cn.com/problems/merge-sorted-array/
https://leetcode-cn.com/problems/two-sum/
https://leetcode-cn.com/problems/move-zeroes/
https://leetcode-cn.com/problems/plus-one/

栈和队列预习题目
https://leetcode-cn.com/problems/valid-parentheses/
https://leetcode-cn.com/problems/min-stack/
栈和队列实战题目
https://leetcode-cn.com/problems/largest-rectangle-in-histogram
https://leetcode-cn.com/problems/sliding-window-maximum
课后作业
用 add first 或 add last 这套新的 API 改写 Deque 的代码
分析 Queue 和 Priority Queue 的源码
https://leetcode.com/problems/design-circular-deque
https://leetcode.com/problems/trapping-rain-water/