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376 Wiggle Subsequence 36.4% Medium
375 Guess Number Higher or Lower II 28.2% Medium
374 Guess Number Higher or Lower 31.6% Easy
373 Find K Pairs with Smallest Sums 25.7% Medium
372 Super Pow 30.6% Medium
371 Sum of Two Integers 51.9% Easy
370 Range Addition 49.8% Medium
369 Plus One Linked List 49.2% Medium
368 Largest Divisible Subset 30.6% Medium
367 Valid Perfect Square 36.7% Medium
366 Find Leaves of Binary Tree 52.7% Medium
365 Water and Jug Problem 22.0% Medium
364 Nested List Weight Sum II 46.7% Medium
363 Max Sum of Rectangle No Larger Than K 29.3% Hard
362 Design Hit Counter 48.9% Medium
361 Bomb Enemy 33.9% Medium
360 Sort Transformed Array 40.5% Medium
359 Logger Rate Limiter 56.2% Easy
358 Rearrange String k Distance Apart 28.4% Hard
357 Count Numbers with Unique Digits 42.7% Medium
356 Line Reflection 28.0% Medium
355 Design Twitter 23.1% Medium
354 Russian Doll Envelopes 28.7% Hard
353 Design Snake Game 23.0% Medium
352 Data Stream as Disjoint Intervals 37.1% Hard
351 Android Unlock Patterns 36.7% Medium
350 Intersection of Two Arrays II 41.7% Easy
349 Intersection of Two Arrays 44.5% Easy
348 Design Tic-Tac-Toe 43.5% Medium
347 Top K Frequent Elements 43.3% Medium
346 Moving Average from Data Stream 56.7% Easy
345 Reverse Vowels of a String 36.1% Easy
344 Reverse String 58.7% Easy
343 Integer Break 42.5% Medium
342 Power of Four 35.4% Easy
341 Flatten Nested List Iterator 31.9% Medium
340 Longest Substring with At Most K Distinct Characters 38.8% Hard
339 Nested List Weight Sum 57.1% Easy
338 Counting Bits 57.5% Medium
337 House Robber III 38.6% Medium
336 Palindrome Pairs 21.3% Hard
335 Self Crossing 21.3% Hard
334 Increasing Triplet Subsequence 35.3% Medium
333 Largest BST Subtree 27.1% Medium
332 Reconstruct Itinerary 25.6% Medium
331 Verify Preorder Serialization of a Binary Tree 32.8% Medium
330 Patching Array 30.2% Hard
329 Longest Increasing Path in a Matrix 33.0% Hard
328 Odd Even Linked List 39.7% Medium
327 Count of Range Sum 27.3% Hard
326 Power of Three 37.9% Easy
325 Maximum Size Subarray Sum Equals k 40.5% Medium
324 Wiggle Sort II 23.5% Medium
323 Number of Connected Components in an Undirected Graph 43.5% Medium
322 Coin Change 25.4% Medium
321 Create Maximum Number 22.2% Hard
320 Generalized Abbreviation 41.3% Medium
319 Bulb Switcher 41.3% Medium
318 Maximum Product of Word Lengths 40.4% Medium
317 Shortest Distance from All Buildings 31.8% Hard
316 Remove Duplicate Letters 26.3% Hard
315 Count of Smaller Numbers After Self 31.7% Hard
314 Binary Tree Vertical Order Traversal 32.0% Medium
313 Super Ugly Number 35.6% Medium
312 Burst Balloons 38.9% Hard
311 Sparse Matrix Multiplication 48.1% Medium
310 Minimum Height Trees 27.4% Medium
309 Best Time to Buy and Sell Stock with Cooldown 37.9% Medium
308 Range Sum Query 2D - Mutable 21.2% Hard
307 Range Sum Query - Mutable 18.3% Medium
306 Additive Number 26.5% Medium
305 Number of Islands II 35.4% Hard
304 Range Sum Query 2D - Immutable 22.4% Medium
303 Range Sum Query - Immutable 25.3% Easy
302 Smallest Rectangle Enclosing Black Pixels 40.6% Hard
301 Remove Invalid Parentheses 32.9% Hard
300 Longest Increasing Subsequence 35.5% Medium
299 Bulls and Cows 31.1% Easy
298 Binary Tree Longest Consecutive Sequence 37.6% Medium
297 Serialize and Deserialize Binary Tree 29.0% Hard
296 Best Meeting Point 48.2% Hard
295 Find Median from Data Stream 22.3% Hard
294 Flip Game II 42.3% Medium
293 Flip Game 50.9% Easy
292 Nim Game 53.8% Easy
291 Word Pattern II 35.7% Hard
290 Word Pattern 30.4% Easy
289 Game of Life 35.3% Medium
288 Unique Word Abbreviation 15.8% Easy
287 Find the Duplicate Number 39.9% Hard
286 Walls and Gates 38.5% Medium
285 Inorder Successor in BST 35.9% Medium
284 Peeking Iterator 34.3% Medium
283 Move Zeroes 45.4% Easy
282 Expression Add Operators 26.0% Hard
281 Zigzag Iterator 44.5% Medium
280 Wiggle Sort 51.0% Medium
279 Perfect Squares 33.8% Medium
278 First Bad Version 23.0% Easy
277 Find the Celebrity 35.2% Medium
276 Paint Fence 32.0% Easy
275 H-Index II 32.9% Medium
274 H-Index 30.3% Medium
273 Integer to English Words 19.5% Hard
272 Closest Binary Search Tree Value II 35.1% Hard
271 Encode and Decode Strings 27.3% Medium
270 Closest Binary Search Tree Value 35.3% Easy
269 Alien Dictionary 24.1% Hard
268 Missing Number 41.4% Medium
267 Palindrome Permutation II 29.0% Medium
266 Palindrome Permutation 52.1% Easy
265 Paint House II 36.0% Hard
264 Ugly Number II 29.5% Medium
263 Ugly Number 37.5% Easy
261 Graph Valid Tree 33.9% Medium
260 Single Number III 45.8% Medium
259 3Sum Smaller 39.0% Medium
258 Add Digits 49.3% Easy
257 Binary Tree Paths 30.4% Easy
256 Paint House 43.6% Medium
255 Verify Preorder Sequence in Binary Search Tree 37.5% Medium
254 Factor Combinations 36.4% Medium
253 Meeting Rooms II 35.8% Medium
252 Meeting Rooms 42.9% Easy
251 Flatten 2D Vector 35.4% Medium
250 Count Univalue Subtrees 37.9% Medium
249 Group Shifted Strings 33.4% Easy
248 Strobogrammatic Number III 28.2% Hard
247 Strobogrammatic Number II 35.4% Medium
246 Strobogrammatic Number 37.2% Easy
245 Shortest Word Distance III 47.0% Medium
244 Shortest Word Distance II 35.6% Medium
243 Shortest Word Distance 47.7% Easy
242 Valid Anagram 43.1% Easy
241 Different Ways to Add Parentheses 37.4% Medium
240 Search a 2D Matrix II 35.6% Medium
239 Sliding Window Maximum 28.7% Hard
238 Product of Array Except Self 44.2% Medium
237 Delete Node in a Linked List 44.3% Easy
236 Lowest Common Ancestor of a Binary Tree 28.8% Medium
235 Lowest Common Ancestor of a Binary Search Tree 37.5% Easy
234 Palindrome Linked List 29.5% Easy
233 Number of Digit One 25.6% Hard
232 Implement Queue using Stacks 34.3% Easy
231 Power of Two 37.8% Easy
230 Kth Smallest Element in a BST 39.2% Medium
229 Majority Element II 26.5% Medium
228 Summary Ranges 25.4% Medium
227 Basic Calculator II 26.2% Medium
226 Invert Binary Tree 47.1% Easy
225 Implement Stack using Queues 30.8% Easy
224 Basic Calculator 23.3% Hard
223 Rectangle Area 30.7% Easy
222 Count Complete Tree Nodes 25.9% Medium
221 Maximal Square 24.5% Medium
220 Contains Duplicate III 19.1% Medium
219 Contains Duplicate II 30.5% Easy
218 The Skyline Problem 23.5% Hard
217 Contains Duplicate 42.2% Easy
216 Combination Sum III 37.9% Medium
215 Kth Largest Element in an Array 34.6% Medium
214 Shortest Palindrome 20.7% Hard
213 House Robber II 31.6% Medium
212 Word Search II 20.4% Hard
211 Add and Search Word - Data structure design 20.2% Medium
210 Course Schedule II 21.9% Medium
209 Minimum Size Subarray Sum 27.6% Medium
208 Implement Trie (Prefix Tree) 25.4% Medium
207 Course Schedule 28.1% Medium
206 Reverse Linked List 40.8% Easy
205 Isomorphic Strings 30.8% Easy
204 Count Primes 25.2% Easy
203 Remove Linked List Elements 29.6% Easy
202 Happy Number 37.6% Easy
201 Bitwise AND of Numbers Range 31.6% Medium
200 Number of Islands 29.0% Medium
199 Binary Tree Right Side View 36.0% Medium
198 House Robber 35.5% Easy
191 Number of 1 Bits 37.7% Easy
190 Reverse Bits 29.4% Easy
189 Rotate Array 22.0% Easy
188 Best Time to Buy and Sell Stock IV 23.0% Hard
187 Repeated DNA Sequences 26.9% Medium
186 Reverse Words in a String II 29.0% Medium
179 Largest Number 19.9% Medium
174 Dungeon Game 21.6% Hard
173 Binary Search Tree Iterator 35.9% Medium
172 Factorial Trailing Zeroes 33.6% Easy
171 Excel Sheet Column Number 43.1% Easy
170 Two Sum III - Data structure design 23.4% Easy
169 Majority Element 42.6% Easy
168 Excel Sheet Column Title 22.7% Easy
167 Two Sum II - Input array is sorted 49.1% Medium
166 Fraction to Recurring Decimal 15.8% Medium
165 Compare Version Numbers 18.2% Easy
164 Maximum Gap 27.4% Hard
163 Missing Ranges 30.0% Medium
162 Find Peak Element 33.8% Medium
161 One Edit Distance 29.1% Medium
160 Intersection of Two Linked Lists 30.5% Easy
159 Longest Substring with At Most Two Distinct Characters 36.1% Hard
158 Read N Characters Given Read4 II - Call multiple times 23.8% Hard
157 Read N Characters Given Read4 29.4% Easy
156 Binary Tree Upside Down 39.3% Medium
155 Min Stack 23.5% Easy
154 Find Minimum in Rotated Sorted Array II 35.0% Hard
153 Find Minimum in Rotated Sorted Array 37.1% Medium
152 Maximum Product Subarray 22.9% Medium
151 Reverse Words in a String 15.8% Medium
150 Evaluate Reverse Polish Notation 24.4% Medium
149 Max Points on a Line 14.7% Hard
148 Sort List 25.7% Medium
147 Insertion Sort List 30.2% Medium
146 LRU Cache 15.8% Hard
145 Binary Tree Postorder Traversal 36.4% Hard
144 Binary Tree Preorder Traversal 40.9% Medium
143 Reorder List 23.4% Medium
142 Linked List Cycle II 31.3% Medium
141 Linked List Cycle 36.4% Easy
140 Word Break II 20.5% Hard
139 Word Break 26.1% Medium
138 Copy List with Random Pointer 26.1% Hard
137 Single Number II 38.6% Medium
136 Single Number 50.9% Medium
135 Candy 23.0% Hard
134 Gas Station 27.8% Medium
133 Clone Graph 24.9% Medium
132 Palindrome Partitioning II 22.4% Hard
131 Palindrome Partitioning 28.4% Medium
130 Surrounded Regions 16.5% Medium
129 Sum Root to Leaf Numbers 33.5% Medium
128 Longest Consecutive Sequence 33.2% Hard
127 Word Ladder 19.7% Medium
126 Word Ladder II 13.7% Hard
125 Valid Palindrome 24.4% Easy
124 Binary Tree Maximum Path Sum 23.9% Hard
123 Best Time to Buy and Sell Stock III 27.0% Hard
122 Best Time to Buy and Sell Stock II 43.4% Medium
121 Best Time to Buy and Sell Stock 36.8% Easy
120 Triangle 31.0% Medium
119 Pascal's Triangle II 33.3% Easy
118 Pascal's Triangle 34.5% Easy
117 Populating Next Right Pointers in Each Node II 33.0% Hard
116 Populating Next Right Pointers in Each Node 36.6% Medium
115 Distinct Subsequences 29.4% Hard
114 Flatten Binary Tree to Linked List 31.8% Medium
113 Path Sum II 29.2% Medium
112 Path Sum 31.8% Easy
111 Minimum Depth of Binary Tree 31.2% Easy
110 Balanced Binary Tree 34.7% Easy
109 Convert Sorted List to Binary Search Tree 31.3% Medium
108 Convert Sorted Array to Binary Search Tree 38.3% Medium
107 Binary Tree Level Order Traversal II 35.1% Easy
106 Construct Binary Tree from Inorder and Postorder Traversal 29.7% Medium
105 Construct Binary Tree from Preorder and Inorder Traversal 29.4% Medium
104 Maximum Depth of Binary Tree 48.8% Easy
103 Binary Tree Zigzag Level Order Traversal 29.7% Medium
102 Binary Tree Level Order Traversal 34.0% Easy
101 Symmetric Tree 34.9% Easy
100 Same Tree 43.9% Easy
99 Recover Binary Search Tree 27.2% Hard
98 Validate Binary Search Tree 21.3% Medium
97 Interleaving String 23.0% Hard
96 Unique Binary Search Trees 38.2% Medium
95 Unique Binary Search Trees II 29.4% Medium
94 Binary Tree Inorder Traversal 40.9% Medium
93 Restore IP Addresses 24.3% Medium
92 Reverse Linked List II 28.6% Medium
91 Decode Ways 17.9% Medium
90 Subsets II 31.5% Medium
89 Gray Code 37.5% Medium
88 Merge Sorted Array 30.5% Easy
87 Scramble String 27.2% Hard
86 Partition List 30.2% Medium
85 Maximal Rectangle 24.0% Hard
84 Largest Rectangle in Histogram 24.7% Hard
83 Remove Duplicates from Sorted List 37.4% Easy
82 Remove Duplicates from Sorted List II 27.5% Medium
81 Search in Rotated Sorted Array II 32.3% Medium
80 Remove Duplicates from Sorted Array II 33.5% Medium
79 Word Search 23.7% Medium
78 Subsets 32.9% Medium
77 Combinations 35.7% Medium
76 Minimum Window Substring 22.0% Hard
75 Sort Colors 35.4% Medium
74 Search a 2D Matrix 34.5% Medium
73 Set Matrix Zeroes 34.1% Medium
72 Edit Distance 29.3% Hard
71 Simplify Path 22.6% Medium
70 Climbing Stairs 37.4% Easy
69 Sqrt(x) 25.9% Medium
68 Text Justification 16.6% Hard
67 Add Binary 28.5% Easy
66 Plus One 34.8% Easy
65 Valid Number 12.3% Hard
64 Minimum Path Sum 35.7% Medium
63 Unique Paths II 29.9% Medium
62 Unique Paths 37.2% Medium
61 Rotate List 23.3% Medium
60 Permutation Sequence 25.8% Medium
59 Spiral Matrix II 36.0% Medium
58 Length of Last Word 30.0% Easy
57 Insert Interval 24.5% Hard
56 Merge Intervals 26.3% Hard
55 Jump Game 28.7% Medium
54 Spiral Matrix 23.2% Medium
53 Maximum Subarray 37.2% Medium
52 N-Queens II 40.5% Hard
51 N-Queens 26.8% Hard
50 Pow(x, n) 27.7% Medium
49 Group Anagrams 28.8% Medium
48 Rotate Image 35.5% Medium
47 Permutations II 28.9% Medium
46 Permutations 37.2% Medium
45 Jump Game II 25.6% Hard
44 Wildcard Matching 18.0% Hard
43 Multiply Strings 24.3% Medium
42 Trapping Rain Water 33.1% Hard
41 First Missing Positive 24.2% Hard
40 Combination Sum II 28.6% Medium
39 Combination Sum 32.3% Medium
38 Count and Say 30.2% Easy
37 Sudoku Solver 25.9% Hard
36 Valid Sudoku 31.8% Easy
35 Search Insert Position 37.9% Medium
34 Search for a Range 29.7% Medium
33 Search in Rotated Sorted Array 30.8% Hard
32 Longest Valid Parentheses 22.7% Hard
31 Next Permutation 27.1% Medium
30 Substring with Concatenation of All Words 21.2% Hard
29 Divide Two Integers 15.8% Medium
28 Implement strStr() 25.6% Easy
27 Remove Element 34.9% Easy
26 Remove Duplicates from Sorted Array 34.2% Easy
25 Reverse Nodes in k-Group 28.2% Hard
24 Swap Nodes in Pairs 36.0% Easy
23 Merge k Sorted Lists 24.2% Hard
22 Generate Parentheses 38.5% Medium
21 Merge Two Sorted Lists 36.3% Easy
20 Valid Parentheses 30.2% Easy
19 Remove Nth Node From End of List 30.4% Easy
18 4Sum 24.5% Medium
17 Letter Combinations of a Phone Number 29.8% Medium
16 3Sum Closest 29.7% Medium
15 3Sum 19.5% Medium
14 Longest Common Prefix 29.1% Easy
13 Roman to Integer 40.9% Easy
12 Integer to Roman 40.3% Medium
11 Container With Most Water 35.3% Medium
10 Regular Expression Matching 22.5% Hard
9 Palindrome Number 32.5% Easy
8 String to Integer (atoi) 13.7% Easy
7 Reverse Integer 23.8% Easy
6 ZigZag Conversion 24.8% Easy
5 Longest Palindromic Substring 23.6% Medium
4 Median of Two Sorted Arrays 19.3% Hard
3 Longest Substring Without Repeating Characters 22.7% Medium
2 Add Two Numbers 24.2% Medium
1 Two Sum 25.0% Easy
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