过中等难度题目.0310

时间：2017-03-10 10:46:20 阅读：342 评论：0 收藏：0 [点我收藏+]

。	8	String to Integer (atoi)	13.9%	Medium
。	151	Reverse Words in a String	15.7%	Medium
。	288	Unique Word Abbreviation	15.8%	Medium
。	29	Divide Two Integers	16.0%	Medium
。	166	Fraction to Recurring Decimal	17.0%	Medium
。	130	Surrounded Regions	17.8%	Medium
。	91	Decode Ways	19.1%	Medium
。	307	Range Sum Query - Mutable	19.1%	Medium
。	127	Word Ladder	19.2%	Medium
。	220	Contains Duplicate III	19.3%	Medium
。	165	Compare Version Numbers	19.5%	Medium
。	444	Sequence Reconstruction	19.7%	Medium
。	468	Validate IP Address	20.3%	Medium
。	523	Continuous Subarray Sum	20.7%	Medium
。	211	Add and Search Word - Data structure design	20.9%	Medium
。	15	3Sum	21.3%	Medium
。	179	Largest Number	21.8%	Medium
。	98	Validate Binary Search Tree （好）	22.6%	Medium
。	464	Can I Win（DP，有一定难度）	23.4%	Medium
。	304	Range Sum Query 2D - Immutable	23.4%	Medium
。	3	Longest Substring Without Repeating Characters	23.9%	Medium
。	61	Rotate List	24.1%	Medium
。	71	Simplify Path	24.4%	Medium
	152	Maximum Product Subarray	24.8%	Medium
	143	Reorder List	24.9%	Medium
	5	Longest Palindromic Substring	24.9%	Medium
	54	Spiral Matrix	25.0%	Medium
	355	Design Twitter	25.0%	Medium
	133	Clone Graph	25.0%	Medium
	324	Wiggle Sort II	25.4%	Medium
	79	Word Search	25.7%	Medium
	353	Design Snake Game	25.9%	Medium
	18	4Sum	26.0%	Medium
	163	Missing Ranges	26.0%	Medium
	402	Remove K Digits	26.1%	Medium
	322	Coin Change	26.1%	Medium
	6	ZigZag Conversion	26.2%	Medium
	93	Restore IP Addresses	26.2%	Medium
	43	Multiply Strings	26.3%	Medium
	150	Evaluate Reverse Polish Notation	26.3%	Medium
	271	Encode and Decode Strings	26.3%	Medium
	210	Course Schedule II	26.3%	Medium
	208	Implement Trie (Prefix Tree)	26.4%	Medium
	365	Water and Jug Problem	26.5%	Medium
	138	Copy List with Random Pointer	26.6%	Medium
	2	Add Two Numbers	26.8%	Medium
	50	Pow(x, n)	26.8%	Medium
	222	Count Complete Tree Nodes	27.1%	Medium
	306	Additive Number	27.3%	Medium
	418	Sentence Screen Fitting	27.4%	Medium
	60	Permutation Sequence	27.5%	Medium
	221	Maximal Square	27.7%	Medium
	148	Sort List	27.7%	Medium
	186	Reverse Words in a String II	27.9%	Medium
	456	132 Pattern	28.0%	Medium
	229	Majority Element II	28.0%	Medium
	332	Reconstruct Itinerary	28.3%	Medium
	31	Next Permutation	28.3%	Medium
	227	Basic Calculator II	28.4%	Medium
	310	Minimum Height Trees	28.6%	Medium
	228	Summary Ranges	28.6%	Medium
	139	Word Break	28.8%	Medium
	134	Gas Station	28.8%	Medium
	82	Remove Duplicates from Sorted List II	28.8%	Medium
	56	Merge Intervals	28.9%	Medium
	55	Jump Game	29.3%	Medium
	209	Minimum Size Subarray Sum	29.3%	Medium
	236	Lowest Common Ancestor of a Binary Tree	29.5%	Medium
	397	Integer Replacement	29.5%	Medium
	469	Convex Polygon	29.8%	Medium
	333	Largest BST Subtree	30.0%	Medium
	92	Reverse Linked List II	30.0%	Medium
	385	Mini Parser	30.1%	Medium
	187	Repeated DNA Sequences	30.2%	Medium
	373	Find K Pairs with Smallest Sums	30.2%	Medium
	356	Line Reflection	30.3%	Medium
	16	3Sum Closest	30.7%	Medium
	95	Unique Binary Search Trees II	30.8%	Medium
	161	One Edit Distance	30.8%	Medium
	379	Design Phone Directory	30.8%	Medium
	207	Course Schedule	30.9%	Medium
	396	Rotate Function	30.9%	Medium
	34	Search for a Range	31.0%	Medium
	142	Linked List Cycle II	31.0%	Medium
	105	Construct Binary Tree from Preorder and Inorder Traversal	31.1%	Medium
	63	Unique Paths II	31.1%	Medium
	467	Unique Substrings in Wraparound String	31.2%	Medium
	106	Construct Binary Tree from Inorder and Postorder Traversal	31.2%	Medium
	131	Palindrome Partitioning	31.5%	Medium
	47	Permutations II	31.5%	Medium
	267	Palindrome Permutation II	31.5%	Medium
	86	Partition List	31.8%	Medium
	264	Ugly Number II	31.8%	Medium
	40	Combination Sum II	32.0%	Medium
	113	Path Sum II	32.1%	Medium
	33	Search in Rotated Sorted Array	32.1%	Medium
	147	Insertion Sort List	32.1%	Medium
	223	Rectangle Area	32.2%	Medium
	525	Contiguous Array	32.4%	Medium
	19	Remove Nth Node From End of List	32.5%	Medium
	274	H-Index	32.5%	Medium
	49	Group Anagrams	32.7%	Medium
	120	Triangle	32.8%	Medium
	417	Pacific Atlantic Water Flow	32.9%	Medium
	81	Search in Rotated Sorted Array II	32.9%	Medium
	103	Binary Tree Zigzag Level Order Traversal	32.9%	Medium
	200	Number of Islands	33.0%	Medium
	109	Convert Sorted List to Binary Search Tree	33.1%	Medium
	17	Letter Combinations of a Phone Number	33.1%	Medium
	213	House Robber II	33.3%	Medium
	201	Bitwise AND of Numbers Range	33.3%	Medium
	368	Largest Divisible Subset	33.5%	Medium
	372	Super Pow	33.5%	Medium
	117	Populating Next Right Pointers in Each Node II	33.6%	Medium
	299	Bulls and Cows	33.7%	Medium
	275	H-Index II	33.8%	Medium
	114	Flatten Binary Tree to Linked List	34.0%	Medium
	473	Matchsticks to Square	34.0%	Medium
	36	Valid Sudoku	34.4%	Medium
	90	Subsets II	34.6%	Medium
	376	Wiggle Subsequence	34.9%	Medium
	393	UTF-8 Validation	34.9%	Medium
	505	The Maze II	34.9%	Medium
	80	Remove Duplicates from Sorted Array II	35.2%	Medium
	284	Peeking Iterator	35.2%	Medium
	450	Delete Node in a BST	35.3%	Medium
	74	Search a 2D Matrix	35.4%	Medium
	73	Set Matrix Zeroes	35.4%	Medium
	375	Guess Number Higher or Lower II	35.5%	Medium
	331	Verify Preorder Serialization of a Binary Tree	35.5%	Medium
	277	Find the Celebrity	35.5%	Medium
	388	Longest Absolute File Path	35.5%	Medium
	395	Longest Substring with At Least K Repeating Characters	35.5%	Medium
	129	Sum Root to Leaf Numbers	35.5%	Medium
	244	Shortest Word Distance II	35.6%	Medium
	279	Perfect Squares	35.6%	Medium
	314	Binary Tree Vertical Order Traversal	36.0%	Medium
	285	Inorder Successor in BST	36.2%	Medium
	11	Container With Most Water	36.2%	Medium
	162	Find Peak Element	36.3%	Medium
	289	Game of Life	36.4%	Medium
	39	Combination Sum	36.6%	Medium
	116	Populating Next Right Pointers in Each Node	36.9%	Medium
	75	Sort Colors	37.0%	Medium
	261	Graph Valid Tree	37.0%	Medium
	474	Ones and Zeroes	37.1%	Medium
	313	Super Ugly Number	37.2%	Medium
	24	Swap Nodes in Pairs	37.4%	Medium
	64	Minimum Path Sum	37.5%	Medium
	48	Rotate Image	37.6%	Medium
	533	Lonely Pixel II New	37.6%	Medium
	300	Longest Increasing Subsequence	37.6%	Medium
	102	Binary Tree Level Order Traversal	37.8%	Medium
	78	Subsets	37.8%	Medium
	240	Search a 2D Matrix II	37.9%	Medium
	215	Kth Largest Element in an Array	38.1%	Medium
	334	Increasing Triplet Subsequence	38.2%	Medium
	416	Partition Equal Subset Sum	38.3%	Medium
	77	Combinations	38.3%	Medium
	361	Bomb Enemy	38.3%	Medium
	59	Spiral Matrix II	38.4%	Medium
	253	Meeting Rooms II	38.6%	Medium
	247	Strobogrammatic Number II	38.8%	Medium
	380	Insert Delete GetRandom O(1)	38.8%	Medium
	491	Increasing Subsequences	38.9%	Medium
	153	Find Minimum in Rotated Sorted Array	39.0%	Medium
	255	Verify Preorder Sequence in Binary Search Tree	39.3%	Medium
	199	Binary Tree Right Side View	39.4%	Medium
	251	Flatten 2D Vector	39.5%	Medium
	390	Elimination Game	39.6%	Medium
	62	Unique Paths	39.7%	Medium
	524	Longest Word in Dictionary through Deleting	39.8%	Medium
	341	Flatten Nested List Iterator	39.8%	Medium
	173	Binary Search Tree Iterator	39.8%	Medium
	249	Group Shifted Strings	39.9%	Medium
	89	Gray Code	39.9%	Medium
	309	Best Time to Buy and Sell Stock with Cooldown	40.0%	Medium
	435	Non-overlapping Intervals	40.1%	Medium
	96	Unique Binary Search Trees	40.1%	Medium
	399	Evaluate Division	40.1%	Medium
	386	Lexicographical Numbers	40.1%	Medium
	298	Binary Tree Longest Consecutive Sequence	40.3%	Medium
	137	Single Number II	40.5%	Medium
	394	Decode String	40.7%	Medium
	250	Count Univalue Subtrees	40.9%	Medium
	424	Longest Repeating Character Replacement	40.9%	Medium
	259	3Sum Smaller	41.0%	Medium
	436	Find Right Interval	41.2%	Medium
	398	Random Pick Index	41.2%	Medium
	254	Factor Combinations	41.3%	Medium
	482	License Key Formatting	41.4%	Medium
	46	Permutations	41.4%	Medium
	449	Serialize and Deserialize BST	41.5%	Medium
	377	Combination Sum IV	41.6%	Medium
	490	The Maze	41.8%	Medium
	516	Longest Palindromic Subsequence	41.9%	Medium
	325	Maximum Size Subarray Sum Equals k	41.9%	Medium
	241	Different Ways to Add Parentheses	42.0%	Medium
	319	Bulb Switcher	42.0%	Medium
	337	House Robber III	42.1%	Medium
	287	Find the Duplicate Number	42.3%	Medium
	328	Odd Even Linked List	42.4%	Medium
	452	Minimum Number of Arrows to Burst Balloons	42.5%	Medium
	230	Kth Smallest Element in a BST	42.6%	Medium
	22	Generate Parentheses	42.7%	Medium
	318	Maximum Product of Word Lengths	42.8%	Medium
	216	Combination Sum III	42.9%	Medium
	423	Reconstruct Original Digits from English	43.0%	Medium
	351	Android Unlock Patterns	43.1%	Medium
	286	Walls and Gates	43.1%	Medium
	156	Binary Tree Upside Down	43.3%	Medium
	12	Integer to Roman	43.4%	Medium
	360	Sort Transformed Array	43.4%	Medium
	378	Kth Smallest Element in a Sorted Matrix	43.6%	Medium
	487	Max Consecutive Ones II	43.6%	Medium
	144	Binary Tree Preorder Traversal	43.6%	Medium
	421	Maximum XOR of Two Numbers in an Array	44.0%	Medium
	486	Predict the Winner	44.0%	Medium
	320	Generalized Abbreviation	44.1%	Medium
	392	Is Subsequence	44.2%	Medium
	494	Target Sum	44.3%	Medium
	94	Binary Tree Inorder Traversal	44.6%	Medium
	454	4Sum II	44.9%	Medium
	343	Integer Break	45.2%	Medium
	357	Count Numbers with Unique Digits	45.4%	Medium
	384	Shuffle an Array	45.4%	Medium
	348	Design Tic-Tac-Toe	45.6%	Medium
	481	Magical String	45.7%	Medium
	294	Flip Game II	45.7%	Medium
	477	Total Hamming Distance	45.9%	Medium
	445	Add Two Numbers II	46.0%	Medium
	503	Next Greater Element II	46.3%	Medium
	382	Linked List Random Node	46.3%	Medium
	498	Diagonal Traverse	46.3%	Medium
	347	Top K Frequent Elements	46.7%	Medium
	323	Number of Connected Components in an Undirected Graph	47.2%	Medium
	238	Product of Array Except Self	47.8%	Medium
	531	Lonely Pixel I New	48.3%	Medium
	281	Zigzag Iterator	49.2%	Medium
	245	Shortest Word Distance III	49.6%	Medium
	439	Ternary Expression Parser	49.9%	Medium
	260	Single Number III	49.9%	Medium
	451	Sort Characters By Frequency	50.2%	Medium
	311	Sparse Matrix Multiplication	50.7%	Medium
	364	Nested List Weight Sum II	50.8%	Medium
	462	Minimum Moves to Equal Array Elements II	51.1%	Medium
	484	Find Permutation	51.5%	Medium
	495	Teemo Attacking	51.6%	Medium
	529	Minesweeper	51.6%	Medium
	526	Beautiful Arrangement	51.6%	Medium
	508	Most Frequent Subtree Sum	51.9%	Medium
	442	Find All Duplicates in an Array	52.2%	Medium
	515	Find Largest Value in Each Tree Row	52.8%	Medium
	362	Design Hit Counter	53.2%	Medium
	369	Plus One Linked List	53.6%	Medium
	370	Range Addition	54.5%	Medium
	413	Arithmetic Slices	54.7%	Medium
	406	Queue Reconstruction by Height	54.7%	Medium
	513	Find Bottom Left Tree Value	55.8%	Medium
	280	Wiggle Sort	55.8%	Medium
	366	Find Leaves of Binary Tree	58.0%	Medium
	338	Counting Bits	60.0%	Medium
	419	Battleships in a Board	60.5%	Medium
	535	Encode and Decode TinyURL New	76.6%	Medium

过中等难度题目.0310

原文：http://www.cnblogs.com/charlesblc/p/6529295.html

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