Leetcode简单题

时间：2019-09-01 21:43:17 阅读：108 评论：0 收藏：0 [点我收藏+]

Title	Solution	Difficulty	Frequency
1	Two Sum	44.5%	Easy
2	Add Two Numbers	31.7%	Medium
3	Longest Substring Without Repeating Characters	28.8%	Medium
4	Median of Two Sorted Arrays	27.2%	Hard
5	Longest Palindromic Substring	27.8%	Medium
10	Regular Expression Matching	25.6%	Hard
11	Container With Most Water	46.3%	Medium
15	3Sum	24.7%	Medium
17	Letter Combinations of a Phone Number	42.8%	Medium
19	Remove Nth Node From End of List	34.5%	Medium
20	Valid Parentheses	37.1%	Easy
21	Merge Two Sorted Lists	48.6%	Easy
22	Generate Parentheses	56.7%	Medium
23	Merge k Sorted Lists	35.8%	Hard
31	Next Permutation	31.0%	Medium
32	Longest Valid Parentheses	26.2%	Hard
33	Search in Rotated Sorted Array	33.1%	Medium
34	Find First and Last Position of Element in Sorted Array	34.1%	Medium
39	Combination Sum	50.4%	Medium
42	Trapping Rain Water	44.4%	Hard
46	Permutations	57.1%	Medium
48	Rotate Image	50.3%	Medium
49	Group Anagrams	48.9%	Medium
53	Maximum Subarray	44.4%	Easy
55	Jump Game	32.5%	Medium
56	Merge Intervals	36.5%	Medium
62	Unique Paths	48.9%	Medium
64	Minimum Path Sum	48.3%	Medium
70	Climbing Stairs	44.9%	Easy
72	Edit Distance	39.1%	Hard
75	Sort Colors	43.1%	Medium
76	Minimum Window Substring	31.7%	Hard
78	Subsets	54.7%	Medium
79	Word Search	32.2%	Medium
84	Largest Rectangle in Histogram	32.1%	Hard
85	Maximal Rectangle	34.4%	Hard
94	Binary Tree Inorder Traversal	58.2%	Medium
96	Unique Binary Search Trees	47.5%	Medium
98	Validate Binary Search Tree	26.2%	Medium
101	Symmetric Tree	44.2%	Easy
102	Binary Tree Level Order Traversal	49.9%	Medium
104	Maximum Depth of Binary Tree	61.8%	Easy
105	Construct Binary Tree from Preorder and Inorder Traversal	42.8%	Medium
114	Flatten Binary Tree to Linked List	43.8%	Medium
121	Best Time to Buy and Sell Stock	48.1%	Easy
124	Binary Tree Maximum Path Sum	30.8%	Hard
128	Longest Consecutive Sequence	42.5%	Hard
136	Single Number	61.3%	Easy
139	Word Break	36.4%	Medium
141	Linked List Cycle	37.9%	Easy
142	Linked List Cycle II	33.3%	Medium
146	LRU Cache	27.0%	Medium
148	Sort List	36.9%	Medium
152	Maximum Product Subarray	29.9%	Medium
155	Min Stack	38.5%	Easy
160	Intersection of Two Linked Lists	35.3%	Easy
169	Majority Element	53.9%	Easy
198	House Robber	41.3%	Easy
200	Number of Islands	42.6%	Medium
206	Reverse Linked List	56.5%	Easy
207	Course Schedule	39.0%	Medium
208	Implement Trie (Prefix Tree)	40.2%	Medium
215	Kth Largest Element in an Array	49.5%	Medium
221	Maximal Square	33.9%	Medium
226	Invert Binary Tree	59.4%	Easy
234	Palindrome Linked List	36.9%	Easy
236	Lowest Common Ancestor of a Binary Tree	39.2%	Medium
238	Product of Array Except Self	56.3%	Medium
239	Sliding Window Maximum	39.1%	Hard
240	Search a 2D Matrix II	41.3%	Medium
253	Meeting Rooms II	43.4%	Medium
279	Perfect Squares	42.9%	Medium
283	Move Zeroes	55.0%	Easy
287	Find the Duplicate Number	50.8%	Medium
295	Find Median from Data Stream	38.2%	Hard
297	Serialize and Deserialize Binary Tree	42.3%	Hard
300	Longest Increasing Subsequence	41.3%	Medium
301	Remove Invalid Parentheses	40.1%	Hard
309	Best Time to Buy and Sell Stock with Cooldown	44.7%	Medium
312	Burst Balloons	48.3%	Hard
322	Coin Change	31.6%	Medium
337	House Robber III	48.7%	Medium
338	Counting Bits	65.5%	Medium
347	Top K Frequent Elements	56.3%	Medium
394	Decode String	46.1%	Medium
399	Evaluate Division	48.5%	Medium
406	Queue Reconstruction by Height	60.8%	Medium
416	Partition Equal Subset Sum	41.5%	Medium
437	Path Sum III	43.5%	Easy
438	Find All Anagrams in a String	38.2%	Medium
448	Find All Numbers Disappeared in an Array	54.1%	Easy
494	Target Sum	45.7%	Medium
538	Convert BST to Greater Tree	52.1%	Easy
543	Diameter of Binary Tree	47.3%	Easy
560	Subarray Sum Equals K	42.8%	Medium
581	Shortest Unsorted Continuous Subarray	30.4%	Easy
617	Merge Two Binary Trees	71.0%	Easy
621	Task Scheduler	46.2%	Medium
647	Palindromic Substrings	57.7%	Medium
739	Daily Temperatures	60.5%	Medium

Leetcode简单题

原文：https://www.cnblogs.com/think90/p/11443088.html

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