学习笔记：

不要死磕。

五毒神掌

5-10 分钟读题和思考，如果没有思路，看题解，默写代码
马上自己写，提交LeetCode，多种解法，体会优化
24 小时之后，再重复做题
一周后重复做题
面试前一周恢复性训练

切题四件套

理清题意，确定题目的要求
想尽可能多的解法，对比几种写法的时空复杂度，找到比较好的解法
尽可能多地动手写
测试用例

#141 Linked List Cycle https://leetcode.com/problems/linked-list-cycle/

#142 Linked List Cycle II https://leetcode.com/problems/linked-list-cycle-ii/

#155 Min Stack https://leetcode.com/problems/min-stack/

#189 Rotate Array https://leetcode.com/problems/rotate-array/

#20 Valid Parentheses https://leetcode.com/problems/valid-parentheses/

#21 Merge Two Sorted Lists https://leetcode.com/problems/merge-two-sorted-lists/

#239 Sliding Window Maximum https://leetcode.com/problems/sliding-window-maximum/

#24 Swap Nodes in Pairs https://leetcode.com/problems/swap-nodes-in-pairs/

#25 Reverse Nodes in k-Group https://leetcode.com/problems/reverse-nodes-in-k-group/

#26 Remove Duplicates from Sorted Array https://leetcode.com/problems/remove-duplicates-from-sorted-array/

#283 Move Zeroes https://leetcode.com/problems/move-zeroes/

#42 Trapping Rain Water https://leetcode.com/problems/trapping-rain-water/

#11 Container With Most Water https://leetcode.com/problems/container-with-most-water/

#1 Two Sum https://leetcode.com/problems/two-sum/

#15 3Sum https://leetcode.com/problems/3sum/

#20 Climbing Stairs https://leetcode.com/problems/climbing-stairs/

#206 Reverse Linked List https://leetcode.com/problems/reverse-linked-list/

#641 Design Circular Deque https://leetcode.com/problems/design-circular-deque/

#66 Plus One https://leetcode.com/problems/plus-one/

#70 Climbing Stairs https://leetcode.com/problems/climbing-stairs/

#88 Merge Sorted Array https://leetcode.com/problems/merge-sorted-array/

#84 Largest Rectangle in Histogram https://leetcode.com/problems/largest-rectangle-in-histogram/