LeetCode Problems List 题目汇总

No. Title Level Rate
1 Two Sum Medium 17.70%
2 Add Two Numbers Medium 21.10%
3 Longest Substring Without Repeating Characters Medium 20.60%
4 Median of Two Sorted Arrays Hard 17.40%
5 Longest Palindromic Substring Medium 20.70%
6 ZigZag Conversion Easy 21.80%
7 Reverse Integer Easy 25.10%
8 String to Integer (atoi) Easy 13.00%
9 Palindrome Number Easy 28.30%
10 Regular Expression Matching Hard 20.70%
11 Container With Most Water Medium 32.00%
12 Integer to Roman Medium 33.80%
13 Roman to Integer Easy 34.00%
14 Longest Common Prefix Easy 25.50%
15 3Sum Medium 16.90%
16 3Sum Closest Medium 26.90%
17 Letter Combinations of a Phone Number Medium 25.80%
18 4Sum Medium 21.70%
19 Remove Nth Node From End of List Easy 27.10%
20 Valid Parentheses Easy 26.50%
21 Merge Two Sorted Lists Easy 32.70%
22 Generate Parentheses Medium 32.60%
23 Merge k Sorted Lists Hard 21.10%
24 Swap Nodes in Pairs Medium 32.50%
25 Reverse Nodes in k-Group Hard 25.50%
26 Remove Duplicates from Sorted Array Easy 31.30%
27 Remove Element Easy 32.10%
28 Implement strStr() Easy 22.20%
29 Divide Two Integers Medium 15.00%
30 Substring with Concatenation of All Words Hard 19.40%
31 Next Permutation Medium 25.00%
32 Longest Valid Parentheses Hard 20.90%
33 Search in Rotated Sorted Array Hard 28.80%
34 Search for a Range Medium 27.50%
35 Search Insert Position Medium 35.40%
36 Valid Sudoku Easy 27.20%
37 Sudoku Solver Hard 21.80%
38 Count and Say Easy 25.20%
39 Combination Sum Medium 27.90%
40 Combination Sum II Medium 25.20%
41 First Missing Positive Hard 22.90%
42 Trapping Rain Water Hard 30.00%
43 Multiply Strings Medium 21.00%
44 Wildcard Matching Hard 15.00%
45 Jump Game II Hard 24.20%
46 Permutations Medium 31.90%
47 Permutations II Hard 25.80%
48 Rotate Image Medium 31.90%
49 Anagrams Medium 24.30%
50 Pow(x, n) Medium 26.70%
51 N-Queens Hard 26.50%
52 N-Queens II Hard 35.80%
53 Maximum Subarray Medium 34.50%
54 Spiral Matrix Medium 20.80%
55 Jump Game Medium 27.00%
56 Merge Intervals Hard 22.40%
57 Insert Interval Hard 21.40%
58 Length of Last Word Easy 28.00%
59 Spiral Matrix II Medium 31.80%
60 Permutation Sequence Medium 22.80%
61 Rotate List Medium 21.70%
62 Unique Paths Medium 32.80%
63 Unique Paths II Medium 28.00%
64 Minimum Path Sum Medium 32.20%
65 Valid Number Hard 11.40%
66 Plus One Easy 30.40%
67 Add Binary Easy 24.70%
68 Text Justification Hard 14.60%
69 Sqrt(x) Medium 23.10%
70 Climbing Stairs Easy 34.40%
71 Simplify Path Medium 20.00%
72 Edit Distance Hard 26.20%
73 Set Matrix Zeroes Medium 31.40%
74 Search a 2D Matrix Medium 31.60%
75 Sort Colors Medium 32.60%
76 Minimum Window Substring Hard 18.90%
77 Combinations Medium 30.90%
78 Subsets Medium 28.20%
79 Word Search Medium 20.30%
80 Remove Duplicates from Sorted Array II Medium 30.50%
81 Search in Rotated Sorted Array II Medium 31.40%
82 Remove Duplicates from Sorted List II Medium 25.00%
83 Remove Duplicates from Sorted List Easy 34.50%
84 Largest Rectangle in Histogram Hard 22.60%
85 Maximal Rectangle Hard 22.00%
86 Partition List Medium 27.50%
87 Scramble String Hard 24.20%
88 Merge Sorted Array Easy 29.70%
89 Gray Code Medium 32.80%
90 Subsets II Medium 27.70%
91 Decode Ways Medium 16.40%
92 Reverse Linked List II Medium 26.10%
93 Restore IP Addresses Medium 21.00%
94 Binary Tree Inorder Traversal Medium 36.20%
95 Unique Binary Search Trees II Medium 28.00%
96 Unique Binary Search Trees Medium 36.00%
97 Interleaving String Hard 20.80%
98 Validate Binary Search Tree Medium 20.60%
99 Recover Binary Search Tree Hard 24.30%
100 Same Tree Easy 41.80%
101 Symmetric Tree Easy 31.60%
102 Binary Tree Level Order Traversal Easy 29.30%
103 Binary Tree Zigzag Level Order Traversal Medium 26.40%
104 Maximum Depth of Binary Tree Easy 45.10%
105 Construct Binary Tree from Preorder and Inorder Traversal Medium 26.40%
106 Construct Binary Tree from Inorder and Postorder Traversal Medium 26.80%
107 Binary Tree Level Order Traversal II Easy 31.10%
108 Convert Sorted Array to Binary Search Tree Medium 34.00%
109 Convert Sorted List to Binary Search Tree Medium 27.90%
110 Balanced Binary Tree Easy 32.00%
111 Minimum Depth of Binary Tree Easy 29.10%
112 Path Sum Easy 29.80%
113 Path Sum II Medium 26.60%
114 Flatten Binary Tree to Linked List Medium 28.80%
115 Distinct Subsequences Hard 26.30%
116 Populating Next Right Pointers in Each Node Medium 36.20%
117 Populating Next Right Pointers in Each Node II Hard 32.00%
118 Pascal‘s Triangle Easy 30.10%
119 Pascal‘s Triangle II Easy 29.40%
120 Triangle Medium 27.40%
121 Best Time to Buy and Sell Stock Medium 32.60%
122 Best Time to Buy and Sell Stock II Medium 38.30%
123 Best Time to Buy and Sell Stock III Hard 23.90%
124 Binary Tree Maximum Path Sum Hard 21.50%
125 Valid Palindrome Easy 22.00%
126 Word Ladder II Hard 12.90%
127 Word Ladder Medium 19.30%
128 Longest Consecutive Sequence Hard 29.40%
129 Sum Root to Leaf Numbers Medium 30.30%
130 Surrounded Regions Medium 14.60%
131 Palindrome Partitioning Medium 26.70%
132 Palindrome Partitioning II Hard 19.70%
133 Clone Graph Medium 24.00%
134 Gas Station Medium 25.70%
135 Candy Hard 20.50%
136 Single Number Medium 45.10%
137 Single Number II Medium 35.00%
138 Copy List with Random Pointer Hard 25.10%
139 Word Break Medium 23.00%
140 Word Break II Hard 17.70%
141 Linked List Cycle Medium 36.30%
142 Linked List Cycle II Medium 31.40%
143 Reorder List Medium 21.00%
144 Binary Tree Preorder Traversal Medium 36.30%
145 Binary Tree Postorder Traversal Hard 32.40%
146 LRU Cache Hard 15.00%
147 Insertion Sort List Medium 26.40%
148 Sort List Medium 22.00%
149 Max Points on a Line Hard 12.60%
150 Evaluate Reverse Polish Notation Medium 21.10%
151 Reverse Words in a String Medium 15.10%
152 Maximum Product Subarray Medium 19.40%
153 Find Minimum in Rotated Sorted Array Medium 33.30%
154 Find Minimum in Rotated Sorted Array II Hard 31.90%
155 Min Stack Easy 18.50%
156 Binary Tree Upside Down $ Medium 34.30%
157 Read N Characters Given Read4 $ Easy 29.80%
158 Read N Characters Given Read4 II - Call multiple times $ Hard 22.30%
159 Longest Substring with At Most Two Distinct Characters $ Hard 30.20%
160 Intersection of Two Linked Lists Easy 28.70%
161 One Edit Distance $ Medium 24.00%
162 Find Peak Element Medium 31.50%
163 Missing Ranges $ Medium 24.10%
164 Maximum Gap Hard 24.40%
165 Compare Version Numbers Easy 15.20%
166 Fraction to Recurring Decimal Medium 12.70%
167 Two Sum II - Input array is sorted $ Medium 43.30%
168 Excel Sheet Column Title Easy 18.10%
169 Majority Element Easy 35.00%
170 Two Sum III - Data structure design $ Easy 24.70%
171 Excel Sheet Column Number Easy 36.50%
172 Factorial Trailing Zeroes Easy 28.40%
173 Binary Search Tree Iterator Medium 29.30%
174 Dungeon Game Hard 17.70%
175 Combine Two Tables * Easy 34.40%
176 Second Highest Salary * Easy 25.00%
177 Nth Highest Salary * Medium 16.30%
178 Rank Scores * Medium 24.60%
179 Largest Number Medium 15.70%
180 Consecutive Numbers * Medium 26.60%
181 Employees Earning More Than Their Managers * Easy 41.00%
182 Duplicate Emails * Easy 38.10%
183 Customers Who Never Order * Easy 33.70%
184 Department Highest Salary * Medium 19.00%
185 Department Top Three Salaries * Hard 15.20%
186 Reverse Words in a String II $ Medium 31.10%
187 Repeated DNA Sequences Medium 19.50%
188 Best Time to Buy and Sell Stock IV Hard 17.30%
189 Rotate Array Easy 17.80%
190 Reverse Bits Easy 28.40%
191 Number of 1 Bits Easy 37.30%
192 Word Frequency # Medium 26.10%
193 Valid Phone Numbers # Easy 24.40%
194 Transpose File # Medium 21.40%
195 Tenth Line # Easy 32.20%
196 Delete Duplicate Emails * Easy 19.00%
197 Rising Temperature * Easy 25.90%
198 House Robber Easy 28.80%
199 Binary Tree Right Side View Medium 27.10%
200 Number of Islands Medium 21.90%
201 Bitwise AND of Numbers Range Medium 23.30%
202 Happy Number Easy 31.40%
203 Remove Linked List Elements Easy 25.80%
204 Count Primes Easy 19.00%
205 Isomorphic Strings Easy 24.20%
206 Reverse Linked List Easy 31.50%
207 Course Schedule Medium 21.70%
208 Implement Trie (Prefix Tree) Medium 24.80%
209 Minimum Size Subarray Sum Medium 22.90%
210 Course Schedule II Medium 19.30%
211 Add and Search Word - Data structure design Medium 20.70%
212 Word Search II Hard 15.00%
213 House Robber II Medium 26.30%
214 Shortest Palindrome Hard 16.80%
215 Kth Largest Element in an Array Medium 27.30%
216 Combination Sum III Medium 27.70%
217 Contains Duplicate Easy 35.90%
218 The Skyline Problem Hard 16.20%
219 Contains Duplicate II Easy 25.60%
220 Contains Duplicate III Medium 15.30%
221 Maximal Square Medium 20.30%
222 Count Complete Tree Nodes Medium 19.40%
223 Rectangle Area Easy 25.60%
224 Basic Calculator Medium 15.80%
225 Implement Stack using Queues Medium 29.60%
226 Invert Binary Tree Easy 35.40%
227 Basic Calculator II Medium 18.00%
228 Summary Ranges Easy 21.10%
229 Majority Element II Medium 30.50%
230 Kth Smallest Element in a BST Medium 30.50%
231 Power of Two Easy 31.30%
232 Implement Queue using Stacks Easy 37.40%
233 Number of Digit One Medium 16.10%
234 Palindrome Linked List Easy 23.80%
235 Lowest Common Ancestor of a Binary Search Tree Medium 38.90%
236 Lowest Common Ancestor of a Binary Tree Medium 28.30%
237 Delete Node in a Linked List Easy 50.90%
238 Product of Array Except Self Medium 42.40%
239 Sliding Window Maximum Hard 24.30%
240 Search a 2D Matrix II Medium 31.40%
241 Different Ways to Add Parentheses Medium 27.10%
242 Valid Anagram Easy 39.30%
243 Shortest Word Distance $ Easy 41.80%
244 Shortest Word Distance II $ Medium 33.70%
245 Shortest Word Distance III $ Medium 43.20%
246 Strobogrammatic Number $ Easy 31.60%
247 Strobogrammatic Number II $ Medium 26.70%
248 Strobogrammatic Number III $ Hard 21.80%
249 Group Shifted Strings $ Easy 25.20%
250 Count Univalue Subtrees $ Medium 32.70%
251 Flatten 2D Vector $ Medium 28.30%
252 Meeting Rooms $ Easy 35.40%
253 Meeting Rooms II $ Medium 28.80%
254 Factor Combinations $ Medium 29.00%
255 Verify Preorder Sequence in Binary Search Tree $ Medium 32.30%
256 Paint House $ Medium 38.40%
257 Binary Tree Paths Easy 21.90%
258 Add Digits Easy 46.50%
259 3Sum Smaller $ Medium 34.20%
260 Single Number III Medium 37.60%
261 Graph Valid Tree $ Medium 25.40%
262 Trips and Users * Hard 16.10%
263 Ugly Number Easy 32.60%
264 Ugly Number II Medium 21.60%
265 Paint House II $ Hard 30.00%
266 Palindrome Permutation $ Easy 45.80%
267 Palindrome Permutation II $ Medium 22.50%
268 Missing Number Medium 34.70%
269 Alien Dictionary $ Hard 16.50%
270 Closest Binary Search Tree Value $ Easy 29.40%
271 Encode and Decode Strings $ Medium 25.40%
272 Closest Binary Search Tree Value II $ Hard 26.90%
273 Integer to English Words Medium 15.50%
274 H-Index Medium 25.30%
275 H-Index II Medium 31.40%
276 Paint Fence $ Easy 25.00%
277 Find the Celebrity $ Medium 31.70%
278 First Bad Version Easy 19.80%
279 Perfect Squares Medium 28.80%
280 Wiggle Sort $ Medium 43.30%
281 Zigzag Iterator $ Medium 37.20%
282 Expression Add Operators Hard 18.90%
283 Move Zeroes Easy 41.40%
284 Peeking Iterator Medium 31.00%
285 Inorder Successor in BST $ Medium 32.50%
286 Walls and Gates $ Medium 29.90%
287 Find the Duplicate Number Hard 32.80%
288 Unique Word Abbreviation $ Easy 16.80%
289 Game of Life Medium 32.60%
290 Word Pattern Easy 26.50%
291 Word Pattern II $ Hard 31.50%
292 Nim Game Easy 49.50%
293 Flip Game $ Easy 47.60%
294 Flip Game II $ Medium 38.10%
295 Find Median from Data Stream Hard 18.60%
296 Best Meeting Point $ Hard 41.40%
297 Serialize and Deserialize Binary Tree Medium 23.80%
298 Binary Tree Longest Consecutive Sequence $ Medium 32.20%
299 Bulls and Cows Easy 23.80%
300 Longest Increasing Subsequence Medium 31.50%
301 Remove Invalid Parentheses Hard 27.00%
302 Smallest Rectangle Enclosing Black Pixels $ Hard 36.70%
303 Range Sum Query - Immutable Easy 25.70%
304 Range Sum Query 2D - Immutable Medium 21.50%
305 Number of Islands II $ Hard 26.70%
306 Additive Number Medium 23.30%
307 Range Sum Query - Mutable Medium 14.50%
308 Range Sum Query 2D - Mutable $ Hard 20.30%
309 Best Time to Buy and Sell Stock with Cooldown Medium 32.60%
310 Minimum Height Trees Medium 20.20%
311 Sparse Matrix Multiplication $ Medium 40.00%
312 Burst Balloons Medium 24.50%
313 Super Ugly Number Medium 31.20%
314 Binary Tree Vertical Order Traversal $ Medium 30.10%
315 Count of Smaller Numbers After Self Hard 28.20%
316 Remove Duplicate Letters Medium 23.00%
317 Shortest Distance from All Buildings $ Hard 29.10%
318 Maximum Product of Word Lengths Medium 38.70%
319 Bulb Switcher Medium 39.20%
320 Generalized Abbreviation $ Medium 40.40%
321 Create Maximum Number Hard 19.10%
322 Coin Change Medium 24.90%
323 Number of Connected Components in an Undirected Graph $ Medium 43.30%
324 Wiggle Sort II Medium 20.10%
325 Maximum Size Subarray Sum Equals k $ Easy 39.60%
326 Power of Three Easy 35.30%
327 Count of Range Sum Hard 24.30%
328 Odd Even Linked List Easy 37.80%
329 Longest Increasing Path in a Matrix Medium 29.50%
330 Patching Array Medium 28.80%
331 Verify Preorder Serialization of a Binary Tree Medium 31.50%
332 Reconstruct Itinerary Medium 23.40%
333 Largest BST Subtree $ Medium 26.50%
334 Increasing Triplet Subsequence Medium 33.20%
335 Self Crossing Medium 18.00%
336 Palindrome Pairs Hard 18.70%
337 House Robber III Medium 37.00%
338 Counting Bits Medium 55.40%
339 Nested List Weight Sum $ Easy 54.60%
340 Longest Substring with At Most K Distinct Characters $ Hard 36.30%
341 Flatten Nested List Iterator $ Medium 18.70%
342 Power of Four Easy 34.10%
343 Integer Break Medium 43.60%
344 Reverse String Easy 58.90%
345 Reverse Vowels of a String Easy 35.30%
346 Moving Average from Data Stream $ Easy 69.20%
347 Top K Frequent Elements Medium 44.50%
348 Design Tic-Tac-Toe $ Medium 45.60%
349 Intersection of Two Arrays Easy 47.80%
350 Intersection of Two Arrays II Easy 41.50%
351 Android Unlock Patterns $ Medium 32.00%
352 Data Stream as Disjoint Intervals Hard 34.40%
353 Design Snake Game $ Medium 19.80%
354 Russian Doll Envelopes Hard 27.10%
355 Design Twitter Medium 22.20%
356 Line Reflection $ Medium 28.70%
357 Count Numbers with Unique Digits Medium 42.50%
358 Rearrange String k Distance Apart $ Hard 26.90%
359 Logger Rate Limiter $ Easy 56.00%
360 Sort Transformed Array $ Medium 40.80%
361 Bomb Enemy $ Medium 32.60%
362 Design Hit Counter $ Medium 48.30%
363 Max Sum of Rectangle No Larger Than K Hard 27.00%
364 Nested List Weight Sum II $ Medium 47.20%
365 Water and Jug Problem Medium 20.10%
366 Find Leaves of Binary Tree $ Medium 53.60%
367 Valid Perfect Square Medium 36.60%
368 Largest Divisible Subset Medium 32.00%
369 Plus One Linked List $ Medium 50.10%
370 Range Addition $ Medium 49.90%
371 Sum of Two Integers Easy 54.00%
372 Super Pow Medium 30.10%
373 Find K Pairs with Smallest Sums Medium 25.50%
374 Guess Number Higher or Lower Easy 31.70%
375 Guess Number Higher or Lower II Medium 28.30%
376 Wiggle Subsequence Medium 35.80%
377 Combination Sum IV Medium 37.50%
378 Kth Smallest Element in a Sorted Matrix Medium 40.20%
379 Design Phone Directory $ Medium 25.80%
380 Insert Delete GetRandom O(1) Medium 33.80%
381 Insert Delete GetRandom O(1) - Duplicates allowed Hard 30.90%
382 Linked List Random Node Medium 48.60%
383 Ransom Note Easy 44.60%
384 Shuffle an Array Medium 45.50%
385 Mini Parser Medium 26.90%
386 Lexicographical Numbers Medium 31.00%
387 First Unique Character in a String Easy 43.10%
388 Longest Absolute File Path Medium 28.30%
389 Find the Difference Easy 49.90%
390 Elimination Game Medium 12.50%
391 Perfect Rectangle Hard 13.30%
392 Is Subsequence Medium 44.10%
393 UTF-8 Validation Medium 33.00%
394 Decode String Medium 38.60%
395 Longest Substring with At Least K Repeating Characters Medium 32.50%
396 Rotate Function Easy 28.40%
397 Integer Replacement Easy 25.90%
398 Random Pick Index Medium 30.40%
399 Evaluate Division Medium 34.60%
400 Nth Digit Easy 30.70%
401 Binary Watch Easy 43.00%
402 Remove K Digits Medium 25.90%
403 Frog Jump Hard 31.70%
404 Sum of Left Leaves Easy 46.20%
405 Convert a Number to Hexadecimal Easy 41.80%
406 Queue Reconstruction by Height Medium 54.10%
407 Trapping Rain Water II Hard 33.10%
408 Valid Word Abbreviation $ Easy 26.20%
409 Longest Palindrome Easy 44.90%
410 Split Array Largest Sum Hard 25.00%
411 Minimum Unique Word Abbreviation $ Hard 25.60%
412 Fizz Buzz Easy 57.50%
413 Arithmetic Slices Medium 53.50%
414 Third Maximum Number Easy 26.50%
415 Add Strings Easy 41.50%
416 Partition Equal Subset Sum Medium 36.80%
417 Pacific Atlantic Water Flow Medium 31.10%
418 Sentence Screen Fitting $ Medium 25.10%
419 Battleships in a Board Medium 59.30%
420 Strong Password Checker Hard 22.10%
421 Maximum XOR of Two Numbers in an Array Medium 36.40%
422 Valid Word Square $ Easy 36.40%
423 Reconstruct Original Digits from English Medium 40.80%
424 Longest Repeating Character Replacement Medium 38.10%
425 Word Squares Hard 40.10%
432 All O`one Data Structure Hard 28.30%
433 Minimum Genetic Mutation Medium 33.50%
434 Number of Segments in a String Easy 38.40%
435 Non-overlapping Intervals Medium 39.80%
436 Find Right Interval Medium 42.30%
437 Path Sum III Easy 38.60%
438 Find All Anagrams in a String Easy 33.50%
439 Ternary Expression Parser $ Medium 49.40%
440 K-th Smallest in Lexicographical Order Hard 21.50%
441 Arranging Coins Easy 36.20%
442 Find All Duplicates in an Array Medium 46.40%
444 Sequence Reconstruction $ Medium 20.50%
445 Add Two Numbers II Medium 45.40%
446 Arithmetic Slices II - Subsequence Hard 22.30%
447 Number of Boomerangs Easy 42.20%
448 Find All Numbers Disappeared in an Array Easy 58.30%
449 Serialize and Deserialize BST Medium 41.20%
450 Delete Node in a BST Medium 34.50%
451 Sort Characters By Frequency Medium 50.90%
452 Minimum Number of Arrows to Burst Balloons Medium 42.10%
453 Minimum Moves to Equal Array Elements Easy 46.30%
454 4Sum II Medium 42.80%
455 Assign Cookies Easy 48.10%
456 132 Pattern Medium 28.00%
457 Circular Array Loop Medium 20.60%
458 Poor Pigs Easy 40.70%
459 Repeated Substring Pattern Easy 39.70%
460 LFU Cache Hard 18.30%
461 Hamming Distance Easy 73.20%
462 Minimum Moves to Equal Array Elements II Medium 50.90%
463 Island Perimeter Easy 56.70%
464 Can I Win Medium 22.20%
465 Optimal Account Balancing $ Hard 29.20%
466 Count The Repetitions Hard 24.20%
467 Unique Substrings in Wraparound String Medium 29.90%
468 Validate IP Address Medium 22.10%
469 Convex Polygon $ Medium 27.20%
471 Encode String with Shortest Length $ Hard 43.50%
472 Concatenated Words Hard 29.20%
473 Matchsticks to Square Medium 31.80%
474 Ones and Zeroes Medium 34.90%
475 Heaters Easy 30.20%
476 Number Complement Easy 61.20%
477 Total Hamming Distance Medium 44.10%
479 Largest Palindrome Product Easy 23.90%
480 Sliding Window Median Hard 31.00%
481 Magical String Medium 46.20%
482 License Key Formatting Medium 41.20%
483 Smallest Good Base Hard 30.60%
484 Find Permutation $ Medium 50.50%
485 Max Consecutive Ones Easy 55.30%
486 Predict the Winner Medium 43.60%
487 Max Consecutive Ones II $ Medium 42.70%
488 Zuma Game Hard 38.00%
490 The Maze Medium 42.80%
491 Increasing Subsequences Medium 39.30%
492 Construct the Rectangle Easy 49.70%
493 Reverse Pairs Hard 17.10%
494 Target Sum Medium 44.40%
495 Teemo Attacking Medium 51.90%
496 Next Greater Element I Easy 58.80%
498 Diagonal Traverse Medium 46.20%
499 The Maze III Hard 32.00%
500 Keyboard Row Easy 60.20%
501 Find Mode in Binary Search Tree Easy 39.40%
502 IPO Hard 32.40%
503 Next Greater Element II Medium 46.20%
504 Base 7 Easy 46.40%
505 The Maze II Medium 34.80%
506 Relative Ranks Easy 48.50%
507 Perfect Number Easy 32.70%
508 Most Frequent Subtree Sum Medium 52.00%
513 Find Bottom Left Tree Value Medium 55.60%
514 Freedom Trail Hard 27.20%
515 Find Largest Value in Each Tree Row Medium 52.70%
516 Longest Palindromic Subsequence Medium 42.00%
517 Super Washing Machines Hard 34.60%
518 Coin Change 2 Medium 33.20%
520 Detect Capital Easy 54.20%
521 Longest Uncommon Subsequence I Easy 50.70%
522 Longest Uncommon Subsequence II Medium 28.10%
523 Continuous Subarray Sum Medium 21.3
524 Longest Word in Dictionary through Deleting Medium 40.20%
525 Contiguous Array Medium 34.40%
526 Beautiful Arrangement Medium 53.50%
527 Word Abbreviation $ Hard 33.90%
529 Minesweeper Medium 52.00%
530 Minimum Absolute Difference in BST Easy 48.00%
531 Lonely Pixel I $ Medium 50.20%
532 K-diff Pairs in an Array Easy 27.20%
533 Lonely Pixel II $ Medium 38.90%
534 Design TinyURL Medium N/A
535 Encode and Decode TinyURL Medium 76.10%
536 Construct Binary Tree from String $ Medium 36.30%
537 Complex Number Multiplication Medium 65.90%
538 Convert BST to Greater Tree Medium 52.70%
539 Minimum Time Difference Medium 44.70%
540 Single Element in a Sorted Array Medium 55.90%
541 Reverse String II Easy 44.40%
542 01 Matrix Medium 32.50%
543 Diameter of Binary Tree Easy 42.70%
544 Output Contest Matches $ Medium 73.20%
545 Boundary of Binary Tree $ Medium 29.10%
546 Remove Boxes Hard 29.60%
547 Friend Circles Medium 49.00%
548 Split Array with Equal Sum $ Medium 30.80%
549 Binary Tree Longest Consecutive Sequence II $ Medium 38.10%
551 Student Attendance Record I Easy 43.90%
552 Student Attendance Record II Hard 28.50%
553 Optimal Division Medium 55.20%
554 Brick Wall Medium 42.70%
555 Split Concatenated Strings $ Medium 30.00%
556 Next Greater Element III Medium 27.70%
557 Reverse Words in a String III Easy 61.20%
560 Subarray Sum Equals K Medium 41.80%
561 Array Partition I Easy 69.80%
562 Longest Line of Consecutive One in Matrix $ Medium 38.80%
563 Binary Tree Tilt Easy 47.00%
564 Find the Closest Palindrome Hard 16.60%
565 Array Nesting Medium 50.00%
566 Reshape the Matrix Easy 59.80%
567 Permutation in String Medium 36.30%
568 Maximum Vacation Days $ Hard 39.90%
572 Subtree of Another Tree Easy 41.00%
573 Squirrel Simulation Medium 51.00%
575 Distribute Candies Easy 59.50%
576 Out of Boundary Paths Medium 33.10%
581 Shortest Unsorted Continuous Subarray Easy 30.10%
582 Kill Process $ Medium 47.70%
583 Delete Operation for Two Strings Medium 44.00%
587 Erect the Fence Hard 29.90%
588 Design In-Memory File System $ Hard 32.40%
591 Tag Validator Hard 26.40%
592 Fraction Addition and Subtraction Medium 47.00%
593 Valid Square Medium 39.20%
594 Longest Harmonious Subsequence Easy 40.00%
598 Range Addition II Easy 48.30%
599 Minimum Index Sum of Two Lists Easy 48.00%
600 Non-negative Integers without Consecutive Ones Hard 27.40%
604 Design Compressed String Iterator $ Easy 31.60%
605 Can Place Flowers Easy 30.00%
606 Construct String from Binary Tree Easy 51.80%
609 Find Duplicate File in System Medium 52.50%
611 Valid Triangle Number Medium 38.90%
616 Add Bold Tag in String $ Medium 37.30%
617 Merge Two Binary Trees Easy 69.60%
621 Task Scheduler Medium 41.40%
623 Add One Row to Tree Medium 48.70%
624 Maximum Distance in Arrays $ Easy 32.70%
625 Minimum Factorization Medium 29.50%
628 Maximum Product of Three Numbers Easy 45.40%
629 K Inverse Pairs Array Hard 23.90%
630 Course Schedule III Medium 20.50%
631 Design Excel Sum Formula $ Hard 25.60%
632 Smallest Range Hard 42.80%
633 Sum of Square Numbers Easy 31.60%
634 Find the Derangement of An Array $ Medium 32.70%
635 Design Log Storage System $ Medium 47.70%
636 Exclusive Time of Functions Medium 40.30%
637 Average of Levels in Binary Tree Easy 55.60%
638 Shopping Offers Medium 41.50%
639 Decode Ways II Hard 22.80%
640 Solve the Equation Medium 39.00%
642 Design Search Autocomplete System $ Hard 29.40%
643 Maximum Average Subarray I Easy 38.40%
644 Maximum Average Subarray II $ Hard 20.30%
645 Set Mismatch Easy 40.40%
646 Maximum Length of Pair Chain Medium 47.40%
647 Palindromic Substrings Medium 55.70%
648 Replace Words Medium 48.40%
649 Dota2 Senate Medium 35.60%
650 2 Keys Keyboard Medium 42.70%
651 4 Keys Keyboard $ Medium 46.70%
652 Find Duplicate Subtrees Medium 33.20%
653 Two Sum IV - Input is a BST Easy 50.60%
654 Maximum Binary Tree Medium 70.80%
655 Print Binary Tree Medium 50.80%
656 Coin Path $ Hard 24.60%
657 Judge Route Circle Easy 69.30%
658 Find K Closest Elements Medium 36.30%
659 Split Array into Consecutive Subsequences Medium 39.40%
660 Remove 9 $ Hard 46.10%
661 Image Smoother Easy 46.60%
662 Maximum Width of Binary Tree Medium 37.00%
663 Equal Tree Partition $ Medium 36.70%
664 Strange Printer Hard 31.10%
665 Non-decreasing Array Easy 21.20%
666 Path Sum IV $ Medium 48.90%
667 Beautiful Arrangement II Medium 51.50%
668 Kth Smallest Number in Multiplication Table Hard 36.30%
669 Trim a Binary Search Tree Easy 58.70%
670 Maximum Swap Medium 38.40%
671 Second Minimum Node In a Binary Tree Easy 42.30%
672 Bulb Switcher II Medium 47.60%
673 Number of Longest Increasing Subsequence Medium 30.80%
674 Longest Continuous Increasing Subsequence Easy 43.20%
675 Cut Off Trees for Golf Event Hard 27.20%
676 Implement Magic Dictionary Medium 50.70%
677 Map Sum Pairs Medium 53.80%
678 Valid Parenthesis String Medium 28.30%
679 24 Game Hard 38.30%
680 Valid Palindrome II Easy 31.10%
681 Next Closest Time $ Medium 43.00%
682 Baseball Game Easy 58.60%
683 K Empty Slots Hard 37.00%
684 Redundant Connection Medium 37.40%
685 Redundant Connection II Hard 28.40%
686 Repeated String Match Easy 31.70%
687 Longest Univalue Path Easy 32.90%
688 Knight Probability in Chessboard Medium 38.90%
689 Maximum Sum of 3 Non-Overlapping Subarrays Hard 41.70%
690 Employee Importance Easy 53.60%
691 Stickers to Spell Word Hard 32.30%
692 Top K Frequent Words Medium 41.70%
693 Binary Number with Alternating Bits Easy 54.20%
694 Number of Distinct Islands $ Medium 43.90%
695 Max Area of Island Easy 53.30%
696 Count Binary Substrings Easy 51.90%
697 Degree of an Array Easy 47.90%
698 Partition to K Equal Sum Subsets Medium 35.60%
699 Falling Squares Hard 36.80%
711 Number of Distinct Islands II $ Hard 39.40%
712 Minimum ASCII Delete Sum for Two Strings Medium 50.90%
713 Subarray Product Less Than K Medium 32.90%
714 Best Time to Buy and Sell Stock with Transaction Fee Medium 41.60%
715 Range Module Hard 31.00%
716 Max Stack $ Hard 35.50%
717 1-bit and 2-bit Characters Easy 50.90%
718 Maximum Length of Repeated Subarray Medium 39.90%
719 Find K-th Smallest Pair Distance Hard 26.10%
720 Longest Word in Dictionary Easy 40.60%
721 Accounts Merge Medium 29.60%
722 Remove Comments Medium 26.30%
723 Candy Crush $ Medium 56.10%
724 Find Pivot Index Easy 41.00%
725 Split Linked List in Parts Medium 50.00%
726 Number of Atoms Hard 45.00%
727 Minimum Window Subsequence Hard 30.10%
728 Self Dividing Numbers Easy 68.50%
729 My Calendar I Medium 40.10%
730 Count Different Palindromic Subsequences Hard 32.40%
731 My Calendar II Medium 35.00%
732 My Calendar III Hard 51.30%
733 Flood Fill Easy 49.30%
734 Sentence Similarity $ Easy 38.60%
735 Asteroid Collision Medium 37.60%
736 Parse Lisp Expression Hard 42.00%
737 Sentence Similarity II $ Medium 41.20%
738 Monotone Increasing Digits Medium 41.80%
739 Daily Temperatures Medium 53.50%
740 Delete and Earn Medium 42.60%
741 Cherry Pickup Hard 22.50%
742 Closest Leaf in a Binary Tree $ Medium 33.20%
743 Network Delay Time Medium 34.30%
744 Find Smallest Letter Greater Than Target Easy 45.30%
745 Prefix and Suffix Search Hard 24.50%
746 Min Cost Climbing Stairs Easy 43.60%
747 Largest Number At Least Twice of Others Easy 42.60%
748 Shortest Completing Word Medium 53.50%
749 Contain Virus Hard 39.60%
750 Number Of Corner Rectangles $ Medium 51.00%
751 IP to CIDR $ Easy 54.80%

原文地址：https://www.cnblogs.com/lightwindy/p/8476874.html

时间： 2024-10-10 03:08:39

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