Bloomberg LeetCode Questions

1200 questions all-time · 395 easy · 645 medium · 160 hard

#	Problem	Difficulty	Frequency	Acceptance
1	Two Sum	Easy	100	0.6%
2	Merge Intervals	Medium	87	0.5%
3	Add Two Numbers	Medium	85	0.5%
4	Longest Substring Without Repeating Characters	Medium	85	0.4%
5	Valid Parentheses	Easy	85	0.4%
6	Insert Delete GetRandom O(1)	Medium	85	0.6%
7	Number of Islands	Medium	84	0.6%
8	Best Time to Buy and Sell Stock	Easy	84	0.6%
9	Trapping Rain Water	Hard	81	0.7%
10	Longest Palindromic Substring	Medium	80	0.4%
11	3Sum	Medium	79	0.4%
12	Invalid Transactions	Medium	79	0.3%
13	Longest Common Prefix	Easy	79	0.5%
14	Flatten a Multilevel Doubly Linked List	Medium	79	0.6%
15	Word Search	Medium	78	0.5%
16	Median of Two Sorted Arrays	Hard	77	0.5%
17	Majority Element	Easy	76	0.7%
18	Reverse Integer	Medium	76	0.3%
19	Container With Most Water	Medium	76	0.6%
20	Merge Sorted Array	Easy	75	0.6%
21	Decode String	Medium	75	0.6%
22	Valid Anagram	Easy	75	0.7%
23	Remove Duplicates from Sorted Array	Easy	73	0.6%
24	Palindrome Number	Easy	73	0.6%
25	Merge Two Sorted Lists	Easy	72	0.7%
26	Roman to Integer	Easy	72	0.7%
27	LRU Cache	Medium	72	0.5%
28	Longest Consecutive Sequence	Medium	72	0.5%
29	Subarray Sum Equals K	Medium	72	0.5%
30	Design Underground System	Medium	72	0.7%
31	Search in Rotated Sorted Array	Medium	71	0.5%
32	Min Stack	Medium	71	0.6%
33	Maximum Subarray	Medium	71	0.5%
34	Group Anagrams	Medium	70	0.7%
35	Subsets	Medium	70	0.8%
36	Next Permutation	Medium	69	0.5%
37	Move Zeroes	Easy	68	0.6%
38	First Unique Character in a String	Easy	68	0.7%
39	Rotate Image	Medium	67	0.8%
40	Generate Parentheses	Medium	66	0.8%
41	Climbing Stairs	Easy	66	0.5%
42	Rotate Array	Medium	66	0.5%
43	Validate Binary Search Tree	Medium	65	0.4%
44	Find Peak Element	Medium	65	0.5%
45	Meeting Rooms II	Medium	65	0.5%
46	Reverse Linked List	Easy	65	0.8%
47	Number of Ships in a Rectangle	Hard	65	0.7%
48	Word Break II	Hard	64	0.6%
49	Create Hello World Function	Easy	64	0.8%
50	Valid Palindrome	Easy	63	0.5%
51	Koko Eating Bananas	Medium	63	0.5%
52	String to Integer (atoi)	Medium	63	0.2%
53	Find First and Last Position of Element in Sorted Array	Medium	63	0.5%
54	Coin Change	Medium	63	0.5%
55	Sqrt(x)	Easy	63	0.4%
56	Pascal's Triangle	Easy	63	0.8%
57	Single Number	Easy	63	0.8%
58	Longest Repeating Character Replacement	Medium	63	0.6%
59	4Sum	Medium	62	0.4%
60	Jump Game	Medium	62	0.4%
61	Contains Duplicate	Easy	62	0.6%
62	Sort Integers by The Power Value	Medium	62	0.7%
63	Pow(x, n)	Medium	62	0.4%
64	Sort Colors	Medium	61	0.7%
65	Remove Element	Easy	61	0.6%
66	Single Element in a Sorted Array	Medium	61	0.6%
67	All Paths From Source to Target	Medium	61	0.8%
68	Evaluate Division	Medium	60	0.6%
69	Check if Array Is Sorted and Rotated	Easy	60	0.6%
70	Plus One	Easy	60	0.5%
71	Remove All Adjacent Duplicates in String II	Medium	60	0.6%
72	Spiral Matrix	Medium	59	0.6%
73	Palindrome Partitioning	Medium	59	0.7%
74	Word Break	Medium	59	0.5%
75	House Robber	Medium	59	0.5%
76	Product of Array Except Self	Medium	59	0.7%
77	Merge k Sorted Lists	Hard	58	0.6%
78	Find the Index of the First Occurrence in a String	Easy	58	0.5%
79	Binary Tree Level Order Traversal	Medium	58	0.7%
80	Two City Scheduling	Medium	58	0.7%
81	Remove Letter To Equalize Frequency	Easy	58	0.2%
82	Search Insert Position	Easy	58	0.5%
83	Design an Ordered Stream	Easy	58	0.8%
84	Combine Two Tables	Easy	57	0.8%
85	Palindrome Linked List	Easy	57	0.6%
86	Binary Tree Vertical Order Traversal	Medium	57	0.6%
87	Max Consecutive Ones	Easy	57	0.7%
88	Minimum Remove to Make Valid Parentheses	Medium	57	0.7%
89	Set Matrix Zeroes	Medium	57	0.6%
90	Reverse Words in a String	Medium	57	0.6%
91	Next Greater Element I	Easy	57	0.8%
92	Zigzag Conversion	Medium	56	0.5%
93	3Sum Closest	Medium	56	0.5%
94	Best Time to Buy and Sell Stock II	Medium	55	0.7%
95	Copy List with Random Pointer	Medium	55	0.6%
96	Linked List Cycle	Easy	55	0.5%
97	Kth Largest Element in an Array	Medium	55	0.7%
98	Rotting Oranges	Medium	55	0.6%
99	Recyclable and Low Fat Products	Easy	55	0.9%
100	Unique Paths	Medium	55	0.7%
101	Search a 2D Matrix	Medium	55	0.5%
102	Largest Rectangle in Histogram	Hard	55	0.5%
103	Symmetric Tree	Easy	55	0.6%
104	Balanced Binary Tree	Easy	55	0.6%
105	Isomorphic Strings	Easy	55	0.5%
106	Daily Temperatures	Medium	55	0.7%
107	Vertical Order Traversal of a Binary Tree	Hard	55	0.5%
108	N-Queens	Hard	54	0.8%
109	Rotate List	Medium	54	0.4%
110	Gas Station	Medium	54	0.5%
111	Candy	Hard	54	0.5%
112	Reorder List	Medium	54	0.7%
113	String Compression	Medium	54	0.6%
114	Number of Provinces	Medium	54	0.7%
115	Valid Triangle Number	Medium	54	0.6%
116	Binary Search	Easy	54	0.6%
117	Letter Combinations of a Phone Number	Medium	54	0.7%
118	Valid Sudoku	Medium	54	0.6%
119	Contains Duplicate II	Easy	54	0.5%
120	Missing Number	Easy	54	0.7%
121	Managers with at Least 5 Direct Reports	Medium	54	0.5%
122	Combination Sum	Medium	53	0.8%
123	Add Binary	Easy	53	0.6%
124	Construct Binary Tree from Preorder and Inorder Traversal	Medium	53	0.7%
125	Count Unhappy Friends	Medium	53	0.6%
126	Merge Strings Alternately	Easy	53	0.8%
127	Swap Nodes in Pairs	Medium	52	0.7%
128	Length of Last Word	Easy	52	0.6%
129	Same Tree	Easy	52	0.7%
130	Populating Next Right Pointers in Each Node	Medium	52	0.7%
131	Maximum Product Subarray	Medium	52	0.4%
132	Find the Duplicate Number	Medium	52	0.6%
133	Longest Increasing Subsequence	Medium	52	0.6%
134	Top K Frequent Elements	Medium	52	0.7%
135	Intersection of Two Arrays	Easy	52	0.8%
136	Add Two Numbers II	Medium	52	0.6%
137	Design A Leaderboard	Medium	52	0.7%
138	Frequency of the Most Frequent Element	Medium	52	0.4%
139	Word Ladder	Hard	51	0.5%
140	Reverse String	Easy	51	0.8%
141	Lexicographical Numbers	Medium	51	0.8%
142	Number of Recent Calls	Easy	51	0.8%
143	Regular Expression Matching	Hard	51	0.3%
144	Integer to Roman	Medium	51	0.7%
145	Remove Nth Node From End of List	Medium	51	0.5%
146	Binary Tree Zigzag Level Order Traversal	Medium	51	0.6%
147	Kth Smallest Element in a BST	Medium	51	0.8%
148	Find the Winner of the Circular Game	Medium	51	0.8%
149	Jump Game II	Medium	50	0.4%
150	Permutations	Medium	50	0.8%
151	Unique Paths II	Medium	50	0.4%
152	Edit Distance	Medium	50	0.6%
153	Minimum Size Subarray Sum	Medium	50	0.5%
154	Sliding Window Maximum	Hard	50	0.5%
155	H-Index	Medium	50	0.4%
156	Next Greater Element II	Medium	50	0.7%
157	Fibonacci Number	Easy	50	0.7%
158	Remove Duplicates from Sorted List	Easy	49	0.6%
159	Populating Next Right Pointers in Each Node II	Medium	49	0.6%
160	Two Sum II - Input Array Is Sorted	Medium	49	0.7%
161	Happy Number	Easy	49	0.6%
162	Peak Index in a Mountain Array	Medium	49	0.7%
163	Capacity To Ship Packages Within D Days	Medium	49	0.7%
164	Design Browser History	Medium	49	0.8%
165	Wildcard Matching	Hard	48	0.3%
166	Implement Trie (Prefix Tree)	Medium	48	0.7%
167	Lowest Common Ancestor of a Binary Tree	Medium	48	0.7%
168	Reverse Vowels of a String	Easy	48	0.6%
169	Rotate String	Easy	48	0.7%
170	Reverse Nodes in k-Group	Hard	47	0.7%
171	Subsets II	Medium	47	0.6%
172	Evaluate Reverse Polish Notation	Medium	47	0.6%
173	Rising Temperature	Easy	47	0.5%
174	Lowest Common Ancestor of a Binary Search Tree	Medium	47	0.7%
175	Odd Even Linked List	Medium	47	0.6%
176	Partition Equal Subset Sum	Medium	47	0.5%
177	Maximum Nesting Depth of the Parentheses	Easy	47	0.8%
178	Average Time of Process per Machine	Easy	47	0.7%
179	Intersection of Two Linked Lists	Easy	46	0.6%
180	Delete Node in a Linked List	Medium	46	0.8%
181	Split Array Largest Sum	Hard	46	0.6%
182	Top K Frequent Words	Medium	46	0.6%
183	Online Stock Span	Medium	46	0.7%
184	Sort an Array	Medium	46	0.6%
185	Minimum Number of Steps to Make Two Strings Anagram	Medium	46	0.8%
186	Sudoku Solver	Hard	45	0.7%
187	Maximum Depth of Binary Tree	Easy	45	0.8%
188	Triangle	Medium	45	0.6%
189	Factorial Trailing Zeroes	Medium	45	0.5%
190	Course Schedule	Medium	45	0.5%
191	Majority Element II	Medium	45	0.6%
192	Power of Two	Easy	45	0.5%
193	Serialize and Deserialize Binary Tree	Hard	45	0.6%
194	Diameter of Binary Tree	Easy	45	0.7%
195	Big Countries	Easy	45	0.7%
196	Article Views I	Easy	45	0.8%
197	Second Highest Salary	Medium	45	0.5%
198	Find Missing and Repeated Values	Easy	45	0.8%
199	Divide Two Integers	Medium	44	0.2%
200	Combination Sum II	Medium	44	0.6%
201	Search in Rotated Sorted Array II	Medium	44	0.4%
202	Binary Tree Maximum Path Sum	Hard	44	0.4%
203	Reverse Pairs	Hard	44	0.3%
204	Max Consecutive Ones III	Medium	44	0.7%
205	Monthly Transactions I	Medium	44	0.6%
206	Fruit Into Baskets	Medium	44	0.5%
207	Longest Valid Parentheses	Hard	43	0.4%
208	Remove Duplicates from Sorted Array II	Medium	43	0.6%
209	Largest Number	Medium	43	0.4%
210	Employees Earning More Than Their Managers	Easy	43	0.7%
211	Remove Linked List Elements	Easy	43	0.5%
212	Implement Queue using Stacks	Easy	43	0.7%
213	Maximum Average Subarray I	Easy	43	0.5%
214	Implement Magic Dictionary	Medium	43	0.6%
215	Middle of the Linked List	Easy	43	0.8%
216	Squares of a Sorted Array	Easy	43	0.7%
217	Minimum Number of Days to Make m Bouquets	Medium	43	0.6%
218	Students and Examinations	Easy	43	0.6%
219	Minimum Window Substring	Hard	42	0.5%
220	Surrounded Regions	Medium	42	0.5%
221	Binary Tree Right Side View	Medium	42	0.7%
222	Count Primes	Medium	42	0.4%
223	Implement Stack using Queues	Easy	42	0.7%
224	Search a 2D Matrix II	Medium	42	0.6%
225	Add Digits	Easy	42	0.7%
226	Sort Characters By Frequency	Medium	42	0.8%
227	Next Greater Element III	Medium	42	0.4%
228	Binary Subarrays With Sum	Medium	42	0.7%
229	Minimum Absolute Difference	Easy	42	0.8%
230	Average Selling Price	Easy	42	0.4%
231	Concatenation of Array	Easy	42	0.9%
232	Rearrange Array Elements by Sign	Medium	42	0.8%
233	First Missing Positive	Hard	40	0.4%
234	Remove Duplicates from Sorted List II	Medium	40	0.5%
235	Maximal Rectangle	Hard	40	0.6%
236	Binary Tree Inorder Traversal	Easy	40	0.8%
237	Sort List	Medium	40	0.6%
238	Course Schedule II	Medium	40	0.6%
239	House Robber II	Medium	40	0.5%
240	Remove K Digits	Medium	40	0.4%
241	Arranging Coins	Easy	40	0.5%
242	Permutation in String	Medium	40	0.5%
243	Kill Process	Medium	40	0.7%
244	Asteroid Collision	Medium	40	0.5%
245	Maximum Profit in Job Scheduling	Hard	40	0.5%
246	Sort Array by Increasing Frequency	Easy	40	0.8%
247	Flatten Binary Tree to Linked List	Medium	40	0.7%
248	Diagonal Traverse	Medium	40	0.7%
249	Path Sum II	Medium	39	0.6%
250	Linked List Cycle II	Medium	39	0.6%
251	Perfect Squares	Medium	39	0.6%
252	Ransom Note	Easy	39	0.7%
253	Fizz Buzz	Easy	39	0.8%
254	Non-overlapping Intervals	Medium	39	0.6%
255	Contiguous Array	Medium	39	0.5%
256	Best Time to Buy and Sell Stock with Transaction Fee	Medium	39	0.7%
257	Accounts Merge	Medium	39	0.6%
258	Sum of Subarray Minimums	Medium	39	0.4%
259	Shortest Path in Binary Matrix	Medium	39	0.5%
260	Kth Missing Positive Number	Easy	39	0.6%
261	Add Two Integers	Easy	39	0.9%
262	Number of Digit One	Hard	39	0.4%
263	Simplify Path	Medium	38	0.5%
264	Single Number II	Medium	38	0.7%
265	Basic Calculator	Hard	38	0.5%
266	Find Median from Data Stream	Hard	38	0.5%
267	Increasing Triplet Subsequence	Medium	38	0.4%
268	Reverse String II	Easy	38	0.5%
269	Employee Bonus	Easy	38	0.8%
270	Trim a Binary Search Tree	Medium	38	0.7%
271	Subarray Sums Divisible by K	Medium	38	0.6%
272	Cousins in Binary Tree	Easy	38	0.6%
273	Immediate Food Delivery II	Medium	38	0.6%
274	Even Odd Tree	Medium	38	0.7%
275	Shortest Palindrome	Hard	38	0.4%
276	Find All Anagrams in a String	Medium	38	0.5%
277	Maximum Sum of Distinct Subarrays With Length K	Medium	38	0.4%
278	Reordered Power of 2	Medium	38	0.7%
279	Count and Say	Medium	36	0.6%
280	Reverse Linked List II	Medium	36	0.5%
281	Minimum Depth of Binary Tree	Easy	36	0.5%
282	Find Minimum in Rotated Sorted Array	Medium	36	0.5%
283	Consecutive Numbers	Medium	36	0.5%
284	First Bad Version	Easy	36	0.5%
285	Design Hit Counter	Medium	36	0.7%
286	Is Subsequence	Easy	36	0.5%
287	Assign Cookies	Easy	36	0.6%
288	Target Sum	Medium	36	0.5%
289	Shortest Path to Get Food	Medium	36	0.6%
290	Find Customer Referee	Easy	36	0.7%
291	Remove Outermost Parentheses	Easy	36	0.9%
292	Find in Mountain Array	Hard	36	0.4%
293	Queries Quality and Percentage	Easy	36	0.5%
294	Replace Employee ID With The Unique Identifier	Easy	36	0.8%
295	Dot Product of Two Sparse Vectors	Medium	36	0.9%
296	Count Good Numbers	Medium	36	0.6%
297	Confirmation Rate	Medium	36	0.6%
298	Partition Array Into Two Arrays to Minimize Sum Difference	Hard	36	0.2%
299	Product Price at a Given Date	Medium	36	0.6%
300	Maximum Swap	Medium	36	0.5%
301	Substring with Concatenation of All Words	Hard	34	0.3%
302	Permutations II	Medium	34	0.6%
303	Combinations	Medium	34	0.7%
304	Partition List	Medium	34	0.6%
305	Read N Characters Given read4 II - Call Multiple Times	Hard	34	0.4%
306	Customers Who Never Order	Easy	34	0.7%
307	Repeated DNA Sequences	Medium	34	0.5%
308	Basic Calculator II	Medium	34	0.5%
309	Summary Ranges	Easy	34	0.5%
310	Palindrome Permutation	Easy	34	0.7%
311	Range Sum Query - Immutable	Easy	34	0.7%
312	Sparse Matrix Multiplication	Medium	34	0.7%
313	Find the Difference	Easy	34	0.6%
314	Delete Node in a BST	Medium	34	0.5%
315	Exchange Seats	Medium	34	0.7%
316	Maximum Width of Binary Tree	Medium	34	0.5%
317	Valid Parenthesis String	Medium	34	0.4%
318	Redundant Connection	Medium	34	0.7%
319	Flood Fill	Easy	34	0.7%
320	Contain Virus	Hard	34	0.6%
321	Lemonade Change	Easy	34	0.6%
322	Boats to Save People	Medium	34	0.6%
323	Path In Zigzag Labelled Binary Tree	Medium	34	0.8%
324	Longest Common Subsequence	Medium	34	0.6%
325	Unique Number of Occurrences	Easy	34	0.8%
326	Allocate Mailboxes	Hard	34	0.6%
327	Truncate Sentence	Easy	34	0.9%
328	Maximum Number of Accepted Invitations	Medium	34	0.5%
329	Check if All the Integers in a Range Are Covered	Easy	34	0.5%
330	Build Array from Permutation	Easy	34	0.9%
331	Shortest Distance to Target String in a Circular Array	Easy	34	0.7%
332	Power of Three	Easy	34	0.5%
333	Interleaving String	Medium	34	0.4%
334	Multiply Strings	Medium	32	0.4%
335	Minimum Path Sum	Medium	32	0.7%
336	Invert Binary Tree	Easy	32	0.8%
337	Different Ways to Add Parentheses	Medium	32	0.7%
338	Remove Duplicate Letters	Medium	32	0.5%
339	Sum of Two Integers	Medium	32	0.6%
340	132 Pattern	Medium	32	0.3%
341	Continuous Subarray Sum	Medium	32	0.3%
342	Design Search Autocomplete System	Hard	32	0.5%
343	Set Mismatch	Easy	32	0.4%
344	Find Pivot Index	Easy	32	0.6%
345	Find Eventual Safe States	Medium	32	0.7%
346	Sort Array By Parity	Easy	32	0.8%
347	Greatest Common Divisor of Strings	Easy	32	0.5%
348	Number of Substrings Containing All Three Characters	Medium	32	0.7%
349	Running Sum of 1d Array	Easy	32	0.9%
350	Find if Path Exists in Graph	Easy	32	0.6%
351	How Many Numbers Are Smaller Than the Current Number	Easy	32	0.9%
352	Subarrays with K Different Integers	Hard	32	0.7%
353	Letter Tile Possibilities	Medium	32	0.8%
354	Partition Array According to Given Pivot	Medium	32	0.9%
355	Permutation Sequence	Hard	32	0.5%
356	Jewels and Stones	Easy	32	0.9%
357	Duplicate Emails	Easy	32	0.7%
358	Insert Interval	Medium	30	0.5%
359	Nth Highest Salary	Medium	30	0.4%
360	Ugly Number	Easy	30	0.4%
361	Word Pattern	Easy	30	0.4%
362	Largest Divisible Subset	Medium	30	0.5%
363	Find All Numbers Disappeared in an Array	Easy	30	0.6%
364	Island Perimeter	Easy	30	0.7%
365	Can Place Flowers	Easy	30	0.3%
366	Sum of Square Numbers	Medium	30	0.4%
367	Palindromic Substrings	Medium	30	0.7%
368	Subarray Product Less Than K	Medium	30	0.5%
369	Reorganize String	Medium	30	0.6%
370	Complement of Base 10 Integer	Easy	30	0.6%
371	Shuffle the Array	Easy	30	0.9%
372	Number of Good Pairs	Easy	30	0.9%
373	Customer Who Visited but Did Not Make Any Transactions	Easy	30	0.7%
374	Number of Students Unable to Eat Lunch	Easy	30	0.8%
375	Product Sales Analysis III	Medium	30	0.5%
376	Maximum Width Ramp	Medium	30	0.6%
377	Friend Requests II: Who Has the Most Friends	Medium	30	0.6%
378	Find Numbers with Even Number of Digits	Easy	30	0.8%
379	Heaters	Medium	30	0.4%
380	Serialize and Deserialize N-ary Tree	Hard	30	0.7%
381	Longest Strictly Increasing or Strictly Decreasing Subarray	Easy	30	0.6%
382	Restaurant Growth	Medium	30	0.6%
383	Text Justification	Hard	28	0.5%
384	Recover Binary Search Tree	Medium	28	0.6%
385	Path Sum	Easy	28	0.6%
386	Word Ladder II	Hard	28	0.3%
387	Clone Graph	Medium	28	0.7%
388	Excel Sheet Column Title	Easy	28	0.5%
389	Single Number III	Medium	28	0.7%
390	Count of Smaller Numbers After Self	Hard	28	0.4%
391	Guess Number Higher or Lower	Easy	28	0.6%
392	Elimination Game	Medium	28	0.5%
393	Third Maximum Number	Easy	28	0.4%
394	Find All Duplicates in an Array	Medium	28	0.8%
395	01 Matrix	Medium	28	0.5%
396	Find K Closest Elements	Medium	28	0.5%
397	Max Area of Island	Medium	28	0.7%
398	Candy Crush	Medium	28	0.8%
399	Making A Large Island	Hard	28	0.6%
400	Minimum Add to Make Parentheses Valid	Medium	28	0.7%
401	Remove All Adjacent Duplicates In String	Easy	28	0.7%
402	Reverse Substrings Between Each Pair of Parentheses	Medium	28	0.7%
403	The Number of Employees Which Report to Each Employee	Easy	28	0.5%
404	Check if the Sentence Is Pangram	Easy	28	0.8%
405	Largest Odd Number in String	Easy	28	0.7%
406	Counter	Easy	28	0.8%
407	Insert Delete GetRandom O(1) - Duplicates allowed	Hard	28	0.4%
408	Delete Duplicate Emails	Easy	28	0.7%
409	Primary Department for Each Employee	Easy	28	0.7%
410	Tuple with Same Product	Medium	28	0.7%
411	Max Sum of a Pair With Equal Sum of Digits	Medium	28	0.7%
412	Finding 3-Digit Even Numbers	Easy	28	0.8%
413	Rank Scores	Medium	28	0.7%
414	Perfect Number	Easy	28	0.5%
415	N-Queens II	Hard	25	0.8%
416	Decode Ways	Medium	25	0.4%
417	Distinct Subsequences	Hard	25	0.5%
418	Best Time to Buy and Sell Stock III	Hard	25	0.5%
419	Binary Tree Preorder Traversal	Easy	25	0.8%
420	Binary Search Tree Iterator	Medium	25	0.8%
421	Ugly Number II	Medium	25	0.5%
422	Reconstruct Itinerary	Hard	25	0.4%
423	Valid Perfect Square	Easy	25	0.5%
424	Longest Palindrome	Easy	25	0.6%
425	Repeated Substring Pattern	Easy	25	0.5%
426	Coin Change II	Medium	25	0.6%
427	Array Partition	Easy	25	0.8%
428	Not Boring Movies	Easy	25	0.8%
429	Task Scheduler	Medium	25	0.6%
430	Maximum Product of Three Numbers	Easy	25	0.5%
431	Valid Palindrome II	Easy	25	0.4%
432	Cheapest Flights Within K Stops	Medium	25	0.4%
433	Time Based Key-Value Store	Medium	25	0.5%
434	Defanging an IP Address	Easy	25	0.9%
435	Critical Connections in a Network	Hard	25	0.6%
436	Last Person to Fit in the Bus	Medium	25	0.7%
437	Check If N and Its Double Exist	Easy	25	0.4%
438	Kids With the Greatest Number of Candies	Easy	25	0.9%
439	Number of Subsequences That Satisfy the Given Sum Condition	Medium	25	0.5%
440	House Robber IV	Medium	25	0.6%
441	Create a DataFrame from List	Easy	25	0.8%
442	Score of a String	Easy	25	0.9%
443	Employees Whose Manager Left the Company	Easy	25	0.5%
444	Find K-th Smallest Pair Distance	Hard	25	0.5%
445	Remove All Occurrences of a Substring	Medium	25	0.8%
446	Movie Rating	Medium	25	0.4%
447	Array Prototype Last	Easy	25	0.7%
448	Most Stones Removed with Same Row or Column	Medium	25	0.6%
449	Add to Array-Form of Integer	Easy	25	0.5%
450	Find Closest Number to Zero	Easy	25	0.5%
451	Rank Transform of an Array	Easy	25	0.7%
452	Couples Holding Hands	Hard	25	0.6%
453	Reverse Bits	Easy	25	0.7%
454	Minimum Limit of Balls in a Bag	Medium	25	0.7%
455	Defuse the Bomb	Easy	25	0.8%
456	Two Sum IV - Input is a BST	Easy	25	0.6%
457	Check if All Characters Have Equal Number of Occurrences	Easy	25	0.8%
458	Best Sightseeing Pair	Medium	25	0.6%
459	Count the Number of Arrays with K Matching Adjacent Elements	Hard	25	0.6%
460	Unique Length-3 Palindromic Subsequences	Medium	25	0.7%
461	Clear Digits	Easy	25	0.8%
462	Find the Punishment Number of an Integer	Medium	25	0.8%
463	User Activity for the Past 30 Days I	Easy	25	0.5%
464	Rabbits in Forest	Medium	25	0.6%
465	Angle Between Hands of a Clock	Medium	25	0.7%
466	Kth Smallest Product of Two Sorted Arrays	Hard	25	0.5%
467	Maximum Number of Events That Can Be Attended	Medium	25	0.4%
468	Valid Word	Easy	25	0.5%
469	Find Winner on a Tic Tac Toe Game	Easy	25	0.5%
470	Trips and Users	Hard	25	0.4%
471	Next Greater Numerically Balanced Number	Medium	25	0.6%
472	Bus Routes	Hard	25	0.5%
473	Can Make Arithmetic Progression From Sequence	Easy	25	0.7%
474	Count Binary Substrings	Easy	25	0.7%
475	Sum of Root To Leaf Binary Numbers	Easy	25	0.8%
476	Convert Sorted Array to Binary Search Tree	Easy	22	0.8%
477	Sum Root to Leaf Numbers	Medium	22	0.7%
478	Binary Tree Postorder Traversal	Easy	22	0.8%
479	Department Top Three Salaries	Hard	22	0.6%
480	Design Add and Search Words Data Structure	Medium	22	0.5%
481	Count Complete Tree Nodes	Easy	22	0.7%
482	Integer to English Words	Hard	22	0.4%
483	Range Sum Query 2D - Mutable	Medium	22	0.5%
484	Counting Bits	Easy	22	0.8%
485	Intersection of Two Arrays II	Easy	22	0.6%
486	Convert a Number to Hexadecimal	Easy	22	0.5%
487	IPO	Hard	22	0.5%
488	Relative Ranks	Easy	22	0.7%
489	Find Largest Value in Each Tree Row	Medium	22	0.7%
490	Minimum Time Difference	Medium	22	0.6%
491	Triangle Judgement	Easy	22	0.7%
492	Min Cost Climbing Stairs	Easy	22	0.7%
493	Car Fleet	Medium	22	0.6%
494	Transpose Matrix	Easy	22	0.8%
495	Snakes and Ladders	Medium	22	0.5%
496	Number of Enclaves	Medium	22	0.7%
497	Count Number of Nice Subarrays	Medium	22	0.8%
498	Find the Smallest Divisor Given a Threshold	Medium	22	0.7%
499	Count Negative Numbers in a Sorted Matrix	Easy	22	0.8%
500	Minimum Cost to Cut a Stick	Hard	22	0.6%
501	Max Number of K-Sum Pairs	Medium	22	0.6%
502	Find the Highest Altitude	Easy	22	0.8%
503	Find a Peak Element II	Medium	22	0.6%
504	Find the Maximum Achievable Number	Easy	22	0.9%
505	Find N Unique Integers Sum up to Zero	Easy	22	0.8%
506	Sum of Subarray Ranges	Medium	22	0.6%
507	Game Play Analysis IV	Medium	22	0.4%
508	Customers Who Bought All Products	Medium	22	0.6%
509	Smallest Range Covering Elements from K Lists	Hard	22	0.7%
510	Invalid Tweets	Easy	22	0.9%
511	Longest Harmonious Subsequence	Easy	22	0.6%
512	Maximum Points You Can Obtain from Cards	Medium	22	0.6%
513	Car Pooling	Medium	22	0.6%
514	Count the Number of Fair Pairs	Medium	22	0.5%
515	Shortest Subarray to be Removed to Make Array Sorted	Medium	22	0.5%
516	Expression Add Operators	Hard	22	0.4%
517	Maximum Subarray Sum With Length Divisible by K	Medium	22	0.5%
518	Filter Elements from Array	Easy	22	0.9%
519	Minimum Number of Operations to Move All Balls to Each Box	Medium	22	0.9%
520	Minimum Cost For Tickets	Medium	22	0.7%
521	Find the Prefix Common Array of Two Arrays	Medium	22	0.9%
522	Next Greater Node In Linked List	Medium	22	0.6%
523	Sum of Beauty of All Substrings	Medium	22	0.7%
524	The k-th Lexicographical String of All Happy Strings of Length n	Medium	22	0.9%
525	Valid Number	Hard	22	0.2%
526	Backspace String Compare	Easy	22	0.5%
527	Maximum Candies Allocated to K Children	Medium	22	0.5%
528	Minimum Cost to Move Chips to The Same Position	Easy	22	0.7%
529	Longest Nice Subarray	Medium	22	0.6%
530	Minimum Number of Refueling Stops	Hard	22	0.4%
531	Detect Capital	Easy	22	0.6%
532	Find Root of N-Ary Tree	Medium	22	0.8%
533	Count Symmetric Integers	Easy	22	0.8%
534	All Nodes Distance K in Binary Tree	Medium	22	0.7%
535	Count the Hidden Sequences	Medium	22	0.6%
536	Find the K-th Character in String Game I	Easy	22	0.8%
537	Push Dominoes	Medium	22	0.6%
538	Longest Palindromic Subsequence	Medium	22	0.7%
539	Type of Triangle	Easy	22	0.4%
540	Zero Array Transformation I	Medium	22	0.5%
541	Find All K-Distant Indices in an Array	Easy	22	0.8%
542	Number of Matching Subsequences	Medium	22	0.5%
543	Longest Binary Subsequence Less Than or Equal to K	Medium	22	0.5%
544	Find Subsequence of Length K With the Largest Sum	Easy	22	0.6%
545	K Closest Points to Origin	Medium	22	0.7%
546	Consecutive Characters	Easy	22	0.6%
547	Bitwise ORs of Subarrays	Medium	22	0.6%
548	Ways to Express an Integer as Sum of Powers	Medium	22	0.5%
549	Robot Return to Origin	Easy	22	0.8%
550	Count Submatrices With All Ones	Medium	22	0.7%
551	Best Time to Buy and Sell Stock with Cooldown	Medium	22	0.6%
552	Find the Minimum Area to Cover All Ones I	Medium	22	0.8%
553	Subtree of Another Tree	Easy	22	0.5%
554	Largest Triangle Area	Easy	22	0.7%
555	Minimum Time Visiting All Points	Easy	22	0.8%
556	Longest Balanced Subarray I	Medium	22	0.7%
557	Delete Nodes From Linked List Present in Array	Medium	22	0.7%
558	Baseball Game	Easy	22	0.8%
559	Divide an Array Into Subarrays With Minimum Cost I	Easy	22	0.8%
560	Furthest Point From Origin	Easy	22	0.8%
561	Pascal's Triangle II	Easy	18	0.7%
562	Max Points on a Line	Hard	18	0.3%
563	Number of 1 Bits	Easy	18	0.8%
564	Range Sum Query 2D - Immutable	Medium	18	0.6%
565	Burst Balloons	Hard	18	0.6%
566	Integer Break	Medium	18	0.6%
567	All O`one Data Structure	Hard	18	0.4%
568	Minimum Genetic Mutation	Medium	18	0.6%
569	Minimum Number of Arrows to Burst Balloons	Medium	18	0.6%
570	Find Bottom Left Tree Value	Medium	18	0.7%
571	Sales Person	Easy	18	0.7%
572	Maximum Length of Repeated Subarray	Medium	18	0.5%
573	Delete and Earn	Medium	18	0.6%
574	Network Delay Time	Medium	18	0.6%
575	Find Smallest Letter Greater Than Target	Easy	18	0.6%
576	Partition Labels	Medium	18	0.8%
577	Hand of Straights	Medium	18	0.6%
578	Spiral Matrix III	Medium	18	0.8%
579	Find the Town Judge	Easy	18	0.5%
580	Find Common Characters	Easy	18	0.7%
581	Construct Binary Search Tree from Preorder Traversal	Medium	18	0.8%
582	Partition Array for Maximum Sum	Medium	18	0.8%
583	Longest String Chain	Medium	18	0.6%
584	Project Employees I	Easy	18	0.7%
585	N-th Tribonacci Number	Easy	18	0.6%
586	Balance a Binary Search Tree	Medium	18	0.9%
587	Find Users With Valid E-Mails	Easy	18	0.4%
588	Special Array With X Elements Greater Than or Equal X	Easy	18	0.7%
589	Minimum Deletions to Make String Balanced	Medium	18	0.7%
590	Richest Customer Wealth	Easy	18	0.9%
591	Delete the Middle Node of a Linked List	Medium	18	0.6%
592	Maximum Twin Sum of a Linked List	Medium	18	0.8%
593	Left and Right Sum Differences	Easy	18	0.9%
594	To Be Or Not To Be	Easy	18	0.6%
595	Return Length of Arguments Passed	Easy	18	0.9%
596	Find Common Elements Between Two Arrays	Easy	18	0.8%
597	Final Value of Variable After Performing Operations	Easy	18	0.9%
598	Range Sum of Sorted Subarray Sums	Medium	18	0.6%
599	Guess the Word	Hard	18	0.4%
600	Strange Printer	Hard	18	0.6%
601	Meeting Rooms	Easy	18	0.6%
602	Trapping Rain Water II	Hard	18	0.6%
603	Minimum Bit Flips to Convert Number	Easy	18	0.9%
604	Find the Longest Substring Containing Vowels in Even Counts	Medium	18	0.8%
605	Search Suggestions System	Medium	18	0.7%
606	Count Servers that Communicate	Medium	18	0.7%
607	Number of Ways to Arrive at Destination	Medium	18	0.4%
608	Design a Todo List	Medium	18	0.6%
609	Create Maximum Number	Hard	18	0.4%
610	Minimum Total Distance Traveled	Hard	18	0.6%
611	Combination Sum III	Medium	18	0.7%
612	Add Strings	Easy	18	0.5%
613	Open the Lock	Medium	18	0.6%
614	Excel Sheet Column Number	Easy	18	0.7%
615	Continuous Subarrays	Medium	18	0.6%
616	Game of Life	Medium	18	0.7%
617	Max Chunks To Make Sorted	Medium	18	0.6%
618	Product Sales Analysis I	Easy	18	0.9%
619	Maximum Sum of 3 Non-Overlapping Subarrays	Hard	18	0.6%
620	Random Pick with Weight	Medium	18	0.5%
621	String Matching in an Array	Easy	18	0.7%
622	Swap Sex of Employees	Easy	18	0.8%
623	Maximum Score Words Formed by Letters	Hard	18	0.8%
624	Restore IP Addresses	Medium	18	0.6%
625	Shortest Distance from All Buildings	Hard	18	0.4%
626	Remove Zero Sum Consecutive Nodes from Linked List	Medium	18	0.5%
627	Find the Number of Distinct Colors Among the Balls	Medium	18	0.5%
628	Count Salary Categories	Medium	18	0.6%
629	Distribute Candies	Easy	18	0.7%
630	Check if Number is a Sum of Powers of Three	Medium	18	0.8%
631	Maximum Number of Vowels in a Substring of Given Length	Medium	18	0.6%
632	Zero Array Transformation II	Medium	18	0.4%
633	Divide Array Into Equal Pairs	Easy	18	0.8%
634	Maximum Population Year	Easy	18	0.6%
635	Check if Grid can be Cut into Sections	Medium	18	0.7%
636	Maximum Value of an Ordered Triplet II	Medium	18	0.6%
637	Minimum Number of Operations to Make Elements in Array Distinct	Easy	18	0.7%
638	Count Subarrays Where Max Element Appears at Least K Times	Medium	18	0.6%
639	Zero Array Transformation III	Medium	18	0.5%
640	Count the Number of Consistent Strings	Easy	18	0.9%
641	Biggest Single Number	Easy	18	0.7%
642	Make The String Great	Easy	18	0.7%
643	Apply Operations to an Array	Easy	18	0.7%
644	Row With Maximum Ones	Easy	18	0.7%
645	Path With Minimum Effort	Medium	18	0.6%
646	Maximum Manhattan Distance After K Changes	Medium	18	0.5%
647	Taking Maximum Energy From the Mystic Dungeon	Medium	18	0.6%
648	Investments in 2016	Medium	18	0.5%
649	Maximum Number of Events That Can Be Attended II	Hard	18	0.6%
650	Binary Tree Cameras	Hard	18	0.5%
651	Find the Maximum Length of Valid Subsequence II	Medium	18	0.6%
652	Successful Pairs of Spells and Potions	Medium	18	0.5%
653	Count Hills and Valleys in an Array	Easy	18	0.7%
654	Maximum XOR of Two Numbers in an Array	Medium	18	0.5%
655	Smallest Subarrays With Maximum Bitwise OR	Medium	18	0.6%
656	Largest 3-Same-Digit Number in String	Easy	18	0.7%
657	Power of Four	Easy	18	0.5%
658	New 21 Game	Medium	18	0.5%
659	Sum of Mutated Array Closest to Target	Medium	18	0.5%
660	Minimum Operations to Make the Integer Zero	Medium	18	0.6%
661	Number of People Aware of a Secret	Medium	18	0.6%
662	Vowel Spellchecker	Medium	18	0.6%
663	Design Task Manager	Medium	18	0.5%
664	Count Elements With Maximum Frequency	Easy	18	0.8%
665	Contains Duplicate III	Hard	18	0.2%
666	Binary Watch	Easy	18	0.7%
667	Find the Minimum Amount of Time to Brew Potions	Medium	18	0.6%
668	Rank Teams by Votes	Medium	18	0.6%
669	Last Stone Weight	Easy	18	0.7%
670	Minimum Operations to Convert All Elements to Zero	Medium	18	0.5%
671	Ones and Zeroes	Medium	18	0.5%
672	Count Special Triplets	Medium	18	0.5%
673	Magic Squares In Grid	Medium	18	0.6%
674	Number of Ways to Paint N × 3 Grid	Hard	18	0.8%
675	Four Divisors	Medium	18	0.6%
676	Maximum Product of Splitted Binary Tree	Medium	18	0.6%
677	Find the Length of the Longest Common Prefix	Medium	18	0.6%
678	Design Linked List	Medium	18	0.3%
679	Minimum Pair Removal to Sort Array I	Easy	18	0.7%
680	K-diff Pairs in an Array	Medium	18	0.5%
681	Number of Longest Increasing Subsequence	Medium	18	0.5%
682	Minimum Swaps to Arrange a Binary Grid	Medium	18	0.7%
683	Rotate Function	Medium	18	0.5%
684	Jump Game VII	Medium	18	0.4%
685	Total Waviness of Numbers in Range II	Hard	18	0.6%
686	Create Binary Tree From Descriptions	Medium	18	0.8%
687	Maximum Building Height	Hard	18	0.7%
688	Spiral Matrix II	Medium	14	0.8%
689	Gray Code	Medium	14	0.7%
690	Unique Binary Search Trees II	Medium	14	0.6%
691	Construct Binary Tree from Inorder and Postorder Traversal	Medium	14	0.7%
692	Convert Sorted List to Binary Search Tree	Medium	14	0.7%
693	Word Search II	Hard	14	0.4%
694	Binary Tree Paths	Easy	14	0.7%
695	Range Sum Query - Mutable	Medium	14	0.4%
696	Design Twitter	Medium	14	0.4%
697	Sum of Left Leaves	Easy	14	0.6%
698	Path Sum III	Medium	14	0.5%
699	LFU Cache	Hard	14	0.5%
700	Predict the Winner	Medium	14	0.6%
701	Brick Wall	Medium	14	0.6%
702	2 Keys Keyboard	Medium	14	0.6%
703	Find Duplicate Subtrees	Medium	14	0.6%
704	Search in a Binary Search Tree	Easy	14	0.8%
705	Kth Largest Element in a Stream	Easy	14	0.6%
706	K-th Symbol in Grammar	Medium	14	0.5%
707	Custom Sort String	Medium	14	0.7%
708	Design HashSet	Easy	14	0.7%
709	Fair Candy Swap	Easy	14	0.7%
710	Minimum Falling Path Sum	Medium	14	0.6%
711	Knight Dialer	Medium	14	0.6%
712	Reveal Cards In Increasing Order	Medium	14	0.8%
713	Unique Paths III	Hard	14	0.8%
714	Interval List Intersections	Medium	14	0.7%
715	Duplicate Zeros	Easy	14	0.5%
716	Game Play Analysis I	Easy	14	0.8%
717	Relative Sort Array	Easy	14	0.8%
718	Minimum Cost Tree From Leaf Values	Medium	14	0.7%
719	Three Consecutive Odds	Easy	14	0.7%
720	Percentage of Users Attended a Contest	Easy	14	0.6%
721	Maximum Score From Removing Substrings	Medium	14	0.7%
722	Amount of Time for Binary Tree to Be Infected	Medium	14	0.7%
723	Kth Largest Sum in a Binary Tree	Medium	14	0.6%
724	Divisor Game	Easy	14	0.7%
725	Fix Names in a Table	Easy	14	0.6%
726	Create Target Array in the Given Order	Easy	14	0.9%
727	Maximum Total Damage With Spell Casting	Medium	14	0.5%
728	Repeated String Match	Medium	14	0.4%
729	Monotonic Array	Easy	14	0.6%
730	Minimum Number of Days to Disconnect Island	Hard	14	0.6%
731	N-ary Tree Postorder Traversal	Easy	14	0.8%
732	Find the Power of K-Size Subarrays I	Medium	14	0.6%
733	Longest Subarray With Maximum Bitwise AND	Medium	14	0.7%
734	My Calendar I	Medium	14	0.6%
735	Minimum Number of Swaps to Make the String Balanced	Medium	14	0.8%
736	The Number of the Smallest Unoccupied Chair	Medium	14	0.6%
737	Sort By	Easy	14	0.8%
738	Find K Pairs with Smallest Sums	Medium	14	0.4%
739	Longest Happy String	Medium	14	0.7%
740	Find Kth Bit in Nth Binary String	Medium	14	0.7%
741	Parsing A Boolean Expression	Hard	14	0.7%
742	Moving Average from Data Stream	Easy	14	0.8%
743	Final Prices With a Special Discount in a Shop	Easy	14	0.8%
744	Minimum Number of Removals to Make Mountain Array	Hard	14	0.5%
745	Minimum Index Sum of Two Lists	Easy	14	0.6%
746	DI String Match	Easy	14	0.8%
747	Minimum Number of Changes to Make Binary String Beautiful	Medium	14	0.8%
748	Count Good Triplets	Easy	14	0.9%
749	Minimum Array End	Medium	14	0.6%
750	Delete Characters to Make Fancy String	Easy	14	0.7%
751	Smallest Even Multiple	Easy	14	0.9%
752	Count Vowel Substrings of a String	Easy	14	0.7%
753	Find Score of an Array After Marking All Elements	Medium	14	0.6%
754	Maximum Average Pass Ratio	Medium	14	0.7%
755	Make Array Elements Equal to Zero	Easy	14	0.7%
756	Count Beautiful Splits in an Array	Medium	14	0.2%
757	Find Center of Star Graph	Easy	14	0.9%
758	Number of Ways to Split Array	Medium	14	0.6%
759	Count Prefix and Suffix Pairs I	Easy	14	0.8%
760	Counting Words With a Given Prefix	Easy	14	0.8%
761	Construct K Palindrome Strings	Medium	14	0.7%
762	Maximum Distance in Arrays	Medium	14	0.5%
763	Check if a Parentheses String Can Be Valid	Medium	14	0.5%
764	Minimum Length of String After Operations	Medium	14	0.8%
765	Merge Two Binary Trees	Easy	14	0.8%
766	Shortest Path in a Grid with Obstacles Elimination	Hard	14	0.5%
767	Find the Difference of Two Arrays	Easy	14	0.8%
768	Shortest Unsorted Continuous Subarray	Medium	14	0.4%
769	Sort the People	Easy	14	0.8%
770	Longest Nice Substring	Easy	14	0.6%
771	Product of the Last K Numbers	Medium	14	0.6%
772	Minimum Height Trees	Medium	14	0.4%
773	Recover a Tree From Preorder Traversal	Hard	14	0.8%
774	Construct Binary Tree from Preorder and Postorder Traversal	Medium	14	0.8%
775	Length of Longest Fibonacci Subsequence	Medium	14	0.6%
776	Maximum Absolute Sum of Any Subarray	Medium	14	0.7%
777	Closest Prime Numbers in Range	Medium	14	0.5%
778	Alternating Groups II	Medium	14	0.6%
779	Count of Substrings Containing Every Vowel and K Consonants II	Medium	14	0.4%
780	Pacific Atlantic Water Flow	Medium	14	0.6%
781	Minimum Operations to Make Binary Array Elements Equal to One I	Medium	14	0.8%
782	Separate Squares I	Medium	14	0.6%
783	Sales Analysis III	Easy	14	0.5%
784	Lowest Common Ancestor of Deepest Leaves	Medium	14	0.8%
785	Minimum Operations to Make Array Values Equal to K	Easy	14	0.7%
786	Maximum Sum Circular Subarray	Medium	14	0.5%
787	Count Largest Group	Easy	14	0.7%
788	Flipping an Image	Easy	14	0.8%
789	Most Frequent Even Element	Easy	14	0.5%
790	Remove Digit From Number to Maximize Result	Easy	14	0.5%
791	Domino and Tromino Tiling	Medium	14	0.5%
792	Find Minimum Time to Reach Last Room I	Medium	14	0.6%
793	Dungeon Game	Hard	14	0.4%
794	Painting a Grid With Three Different Colors	Hard	14	0.8%
795	Find Greatest Common Divisor of Array	Easy	14	0.8%
796	Divisible and Non-divisible Sums Difference	Easy	14	0.9%
797	Longest Palindrome by Concatenating Two Letter Words	Medium	14	0.5%
798	Insert into a Binary Search Tree	Medium	14	0.7%
799	Shortest Subarray with Sum at Least K	Hard	14	0.3%
800	Reverse Prefix of Word	Easy	14	0.9%
801	Maximum Difference Between Increasing Elements	Easy	14	0.7%
802	Max Difference You Can Get From Changing an Integer	Medium	14	0.5%
803	Divide Array Into Arrays With Max Difference	Medium	14	0.8%
804	Divide a String Into Groups of Size k	Easy	14	0.8%
805	Minimum Deletions to Make String K-Special	Medium	14	0.7%
806	Nearest Exit from Entrance in Maze	Medium	14	0.5%
807	Find the Original Typed String I	Easy	14	0.7%
808	Height Checker	Easy	14	0.8%
809	Find the Middle Index in Array	Easy	14	0.7%
810	Find the K-th Character in String Game II	Hard	14	0.5%
811	Find Followers Count	Easy	14	0.7%
812	Special Array I	Easy	14	0.8%
813	Find Lucky Integer in an Array	Easy	14	0.8%
814	Finding Pairs With a Certain Sum	Medium	14	0.6%
815	Reschedule Meetings for Maximum Free Time II	Medium	14	0.6%
816	Longest Continuous Increasing Subsequence	Easy	14	0.5%
817	Calculate Amount Paid in Taxes	Easy	14	0.7%
818	Maximum Erasure Value	Medium	14	0.6%
819	Minimum Penalty for a Shop	Medium	14	0.7%
820	Maximum Unique Subarray Sum After Deletion	Easy	14	0.4%
821	Market Analysis I	Medium	14	0.6%
822	Verifying an Alien Dictionary	Easy	14	0.6%
823	Fruits Into Baskets III	Medium	14	0.4%
824	Find the Maximum Number of Fruits Collected	Hard	14	0.6%
825	Shortest Distance to a Character	Easy	14	0.7%
826	Max Sum of Rectangle No Larger Than K	Hard	14	0.5%
827	Maximum 69 Number	Easy	14	0.8%
828	24 Game	Hard	14	0.6%
829	Longest Subarray of 1's After Deleting One Element	Medium	14	0.7%
830	Number of Operations to Make Network Connected	Medium	14	0.7%
831	Number of Steps to Reduce a Number to Zero	Easy	14	0.9%
832	Hamming Distance	Easy	14	0.8%
833	Minimum Operations to Make Array Elements Zero	Hard	14	0.6%
834	Maximum Repeating Substring	Easy	14	0.4%
835	Largest Perimeter Triangle	Easy	14	0.6%
836	Super Egg Drop	Hard	14	0.3%
837	Maximum Tastiness of Candy Basket	Medium	14	0.7%
838	Avoid Flood in The City	Medium	14	0.4%
839	Remove K-Balanced Substrings	Medium	14	0.3%
840	Find the Distance Value Between Two Arrays	Easy	14	0.7%
841	Longest Balanced Substring I	Medium	14	0.7%
842	Simple Bank System	Medium	14	0.7%
843	Range Sum of BST	Easy	14	0.9%
844	Maximum Frequency Stack	Hard	14	0.7%
845	Find X-Sum of All K-Long Subarrays I	Easy	14	0.8%
846	Longest Substring with At Least K Repeating Characters	Medium	14	0.5%
847	Determine if Two Strings Are Close	Medium	14	0.5%
848	Number of Distinct Islands	Medium	14	0.6%
849	Minimum Score of a Path Between Two Cities	Medium	14	0.6%
850	Reshape Data: Melt	Easy	14	0.9%
851	Map of Highest Peak	Medium	14	0.8%
852	Combination Sum IV	Medium	14	0.6%
853	Maximum Matrix Sum	Medium	14	0.7%
854	Online Election	Medium	14	0.5%
855	Wiggle Sort II	Medium	14	0.4%
856	Smallest Subtree with all the Deepest Nodes	Medium	14	0.8%
857	Maximum Square Area by Removing Fences From a Field	Medium	14	0.5%
858	Find the Largest Area of Square Inside Two Rectangles	Medium	14	0.7%
859	N-Repeated Element in Size 2N Array	Easy	14	0.8%
860	Take K of Each Character From Left and Right	Medium	14	0.5%
861	Exclusive Time of Functions	Medium	14	0.7%
862	Subtract the Product and Sum of Digits of an Integer	Easy	14	0.9%
863	House Robber III	Medium	14	0.6%
864	Longest Balanced Substring II	Medium	14	0.4%
865	Champagne Tower	Medium	14	0.6%
866	Special Binary String	Hard	14	0.8%
867	Concatenation of Consecutive Binary Numbers	Medium	14	0.7%
868	Largest Submatrix With Rearrangements	Medium	14	0.8%
869	Maximum Amount of Money Robot Can Earn	Medium	14	0.5%
870	Closest Equal Element Queries	Medium	14	0.5%
871	Mirror Distance of an Integer	Easy	14	0.9%
872	Two Furthest Houses With Different Colors	Easy	14	0.7%
873	Longest Increasing Path in a Matrix	Hard	14	0.6%
874	Words Within Two Edits of Dictionary	Medium	14	0.7%
875	Guess Number Higher or Lower II	Medium	14	0.5%
876	Valid Mountain Array	Easy	14	0.4%
877	Total Cost to Hire K Workers	Medium	14	0.4%
878	Flatten Nested List Iterator	Medium	14	0.7%
879	Nth Digit	Medium	14	0.4%
880	Minimum Cost of Buying Candies With Discount	Easy	14	0.7%
881	Bulls and Cows	Medium	14	0.5%
882	Earliest Finish Time for Land and Water Rides I	Easy	14	0.7%
883	Number of Ways to Assign Edge Weights II	Hard	14	0.7%
884	Process String with Special Operations I	Medium	14	0.7%
885	Number of ZigZag Arrays II	Hard	14	0.7%
886	Unique Binary Search Trees	Medium	8	0.6%
887	Palindrome Partitioning II	Hard	8	0.4%
888	Maximum Gap	Medium	8	0.5%
889	Bulb Switcher	Medium	8	0.6%
890	Russian Doll Envelopes	Hard	8	0.4%
891	Kth Smallest Element in a Sorted Matrix	Medium	8	0.6%
892	Find Right Interval	Medium	8	0.6%
893	Find Mode in Binary Search Tree	Easy	8	0.6%
894	Out of Boundary Paths	Medium	8	0.5%
895	Is Graph Bipartite?	Medium	8	0.6%
896	Design Circular Queue	Medium	8	0.5%
897	Score of Parentheses	Medium	8	0.6%
898	Stone Game	Medium	8	0.7%
899	Distribute Coins in Binary Tree	Medium	8	0.8%
900	Longest Arithmetic Subsequence	Medium	8	0.5%
901	Flower Planting With No Adjacent	Medium	8	0.5%
902	Longest Duplicate Substring	Hard	8	0.3%
903	Minimum Falling Path Sum II	Hard	8	0.6%
904	Stone Game II	Medium	8	0.7%
905	Find Resultant Array After Removing Anagrams	Easy	8	0.7%
906	Group the People Given the Group Size They Belong To	Medium	8	0.9%
907	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	Medium	8	0.6%
908	Average Salary Excluding the Minimum and Maximum Salary	Easy	8	0.6%
909	The kth Factor of n	Medium	8	0.7%
910	Water Bottles	Easy	8	0.7%
911	Patients With a Condition	Easy	8	0.4%
912	Minimum Time to Make Rope Colorful	Medium	8	0.7%
913	Sum of All Subset XOR Totals	Easy	8	0.9%
914	Maximum Alternating Subsequence Sum	Medium	8	0.6%
915	Minimum Number of Operations to Make Array Continuous	Hard	8	0.5%
916	Time Needed to Buy Tickets	Easy	8	0.7%
917	Count Numbers with Unique Digits	Medium	8	0.6%
918	Most Frequent Subtree Sum	Medium	8	0.7%
919	Filling Bookcase Shelves	Medium	8	0.7%
920	Minimum Swaps to Group All 1's Together II	Medium	8	0.7%
921	Split Linked List in Parts	Medium	8	0.7%
922	Regions Cut By Slashes	Medium	8	0.8%
923	Minimized Maximum of Products Distributed to Any Store	Medium	8	0.6%
924	Maximum Number of Points with Cost	Medium	8	0.4%
925	Maximal Square	Medium	8	0.5%
926	Final Array State After K Multiplication Operations I	Easy	8	0.9%
927	Sum of Digits of String After Convert	Easy	8	0.7%
928	Find Missing Observations	Medium	8	0.6%
929	Linked List in Binary Tree	Medium	8	0.5%
930	Sum of Prefix Scores of Strings	Hard	8	0.6%
931	Make Sum Divisible by P	Medium	8	0.4%
932	Sentence Similarity III	Medium	8	0.5%
933	Divide Players Into Teams of Equal Skill	Medium	8	0.7%
934	Divide Intervals Into Minimum Number of Groups	Medium	8	0.6%
935	Maximum Product of Two Elements in an Array	Easy	8	0.8%
936	Split a String Into the Max Number of Unique Substrings	Medium	8	0.7%
937	Find Minimum Operations to Make All Elements Divisible by Three	Easy	8	0.9%
938	Circular Sentence	Easy	8	0.7%
939	Maximum XOR for Each Query	Medium	8	0.8%
940	Find a Safe Walk Through a Grid	Medium	8	0.3%
941	Degree of an Array	Easy	8	0.6%
942	Maximum Sum BST in Binary Tree	Hard	8	0.5%
943	Flip Columns For Maximum Number of Equal Rows	Medium	8	0.8%
944	Nim Game	Easy	8	0.6%
945	Special Array II	Medium	8	0.5%
946	Number of Visible People in a Queue	Hard	8	0.7%
947	Check if Array is Good	Easy	8	0.6%
948	Sliding Window Median	Hard	8	0.4%
949	Count Univalue Subtrees	Medium	8	0.6%
950	Count Special Subsequences	Medium	8	0.3%
951	Word Subsets	Medium	8	0.6%
952	Minimize XOR	Medium	8	0.6%
953	First Completely Painted Row or Column	Medium	8	0.6%
954	Maximum and Minimum Sums of at Most Size K Subsequences	Medium	8	0.2%
955	Grid Game	Medium	8	0.6%
956	Paint House IV	Medium	8	0.5%
957	Largest Local Values in a Matrix	Easy	8	0.9%
958	Convert Binary Number in a Linked List to Integer	Easy	8	0.8%
959	Find Original Array From Doubled Array	Medium	8	0.4%
960	Shortest Path in a Hidden Grid	Medium	8	0.4%
961	Construct Quad Tree	Medium	8	0.8%
962	Count Pairs Whose Sum is Less than Target	Easy	8	0.9%
963	Find Unique Binary String	Medium	8	0.8%
964	Reach a Number	Medium	8	0.5%
965	Decrypt String from Alphabet to Integer Mapping	Easy	8	0.8%
966	Count Vowel Strings in Ranges	Medium	8	0.7%
967	Count Total Number of Colored Cells	Medium	8	0.7%
968	Maximum Subsequence Score	Medium	8	0.5%
969	Walls and Gates	Medium	8	0.6%
970	Beautiful Arrangement II	Medium	8	0.6%
971	Last Stone Weight II	Medium	8	0.6%
972	Find the Minimum and Maximum Number of Nodes Between Critical Points	Medium	8	0.7%
973	Find All Possible Recipes from Given Supplies	Medium	8	0.6%
974	Maximum Units on a Truck	Easy	8	0.7%
975	Shifting Letters	Medium	8	0.5%
976	Grumpy Bookstore Owner	Medium	8	0.6%
977	Largest Number At Least Twice of Others	Easy	8	0.5%
978	Solving Questions With Brainpower	Medium	8	0.6%
979	Longest Univalue Path	Medium	8	0.4%
980	Count Good Triplets in an Array	Hard	8	0.7%
981	Count Equal and Divisible Pairs in an Array	Easy	8	0.8%
982	Adding Spaces to a String	Medium	8	0.7%
983	Equal Row and Column Pairs	Medium	8	0.7%
984	Shortest String That Contains Three Strings	Medium	8	0.3%
985	Count of Interesting Subarrays	Medium	8	0.6%
986	Minimum Number Game	Easy	8	0.9%
987	Remove Methods From Project	Medium	8	0.5%
988	Merge Two 2D Arrays by Summing Values	Easy	8	0.8%
989	Move Pieces to Obtain a String	Medium	8	0.6%
990	Number of Equivalent Domino Pairs	Easy	8	0.6%
991	Maximum Number of Tasks You Can Assign	Hard	8	0.5%
992	Furthest Building You Can Reach	Medium	8	0.5%
993	Find Maximum Number of Non Intersecting Substrings	Medium	8	0.3%
994	Maximum Sum of Edge Values in a Graph	Hard	8	0.4%
995	Minimum Moves to Clean the Classroom	Medium	8	0.3%
996	Clumsy Factorial	Medium	8	0.6%
997	Maximum Candies You Can Get from Boxes	Hard	8	0.7%
998	Find the Lexicographically Largest String From the Box I	Medium	8	0.4%
999	Number of Sub-arrays With Odd Sum	Medium	8	0.6%
1000	Minimum Operations to Make the Array Alternating	Medium	8	0.4%
1001	Lexicographically Minimum String After Removing Stars	Medium	8	0.5%
1002	Maximum Difference Between Even and Odd Frequency II	Hard	8	0.5%
1003	Maximum Difference Between Adjacent Elements in a Circular Array	Easy	8	0.8%
1004	Find Closest Node to Given Two Nodes	Medium	8	0.5%
1005	Generate Tag for Video Caption	Easy	8	0.3%
1006	Longest Happy Prefix	Hard	8	0.5%
1007	Sum of k-Mirror Numbers	Hard	8	0.6%
1008	Insert Greatest Common Divisors in Linked List	Medium	8	0.9%
1009	Scramble String	Hard	8	0.4%
1010	Largest Number After Digit Swaps by Parity	Easy	8	0.7%
1011	Sort the Jumbled Numbers	Medium	8	0.6%
1012	Find the Original Typed String II	Hard	8	0.5%
1013	Student Attendance Record I	Easy	8	0.5%
1014	Reschedule Meetings for Maximum Free Time I	Medium	8	0.5%
1015	Partition Array Into Three Parts With Equal Sum	Easy	8	0.4%
1016	Calculator with Method Chaining	Easy	8	0.8%
1017	The Earliest and Latest Rounds Where Players Compete	Hard	8	0.7%
1018	Orderly Queue	Hard	8	0.7%
1019	Minimum Difference in Sums After Removal of Elements	Hard	8	0.7%
1020	Memoize	Medium	8	0.7%
1021	Check if Two Chessboard Squares Have the Same Color	Easy	8	0.7%
1022	Add Two Promises	Easy	8	0.9%
1023	Maximize Subarrays After Removing One Conflicting Pair	Hard	8	0.6%
1024	Count Number of Maximum Bitwise-OR Subsets	Medium	8	0.9%
1025	Minimum Cuts to Divide a Circle	Easy	8	0.6%
1026	Sum of Unique Elements	Easy	8	0.8%
1027	Smallest String With Swaps	Medium	8	0.6%
1028	Rearranging Fruits	Hard	8	0.6%
1029	Broken Calculator	Medium	8	0.6%
1030	The Number of Beautiful Subsets	Medium	8	0.5%
1031	Difference Between Element Sum and Digit Sum of an Array	Easy	8	0.9%
1032	The Maze	Medium	8	0.6%
1033	Range Product Queries of Powers	Medium	8	0.6%
1034	Number of Distinct Substrings in a String	Medium	8	0.6%
1035	Construct Binary Tree from String	Medium	8	0.6%
1036	Pass the Pillow	Easy	8	0.6%
1037	Minimum Interval to Include Each Query	Hard	8	0.5%
1038	Bitwise AND of Numbers Range	Medium	8	0.5%
1039	Sort Items by Groups Respecting Dependencies	Hard	8	0.7%
1040	Letter Case Permutation	Medium	8	0.8%
1041	Alice and Bob Playing Flower Game	Medium	8	0.6%
1042	Find Words Containing Character	Easy	8	0.9%
1043	Generate Binary Strings Without Adjacent Zeros	Medium	8	0.9%
1044	Find Closest Person	Easy	8	0.9%
1045	Choose K Elements With Maximum Sum	Medium	8	0.3%
1046	A Number After a Double Reversal	Easy	8	0.8%
1047	Minimum Number of People to Teach	Medium	8	0.7%
1048	Beautiful Arrangement	Medium	8	0.6%
1049	Maximum Number of Points From Grid Queries	Hard	8	0.6%
1050	Reverse Nodes in Even Length Groups	Medium	8	0.6%
1051	Find the Winning Player in Coin Game	Easy	8	0.5%
1052	Lexicographically Smallest Equivalent String	Medium	8	0.8%
1053	Find Subarrays With Equal Sum	Easy	8	0.7%
1054	Fraction to Recurring Decimal	Medium	8	0.3%
1055	Minimum Common Value	Easy	8	0.6%
1056	Maximum Palindromes After Operations	Medium	8	0.5%
1057	Make Two Arrays Equal by Reversing Subarrays	Easy	8	0.8%
1058	Count Number of Bad Pairs	Medium	8	0.5%
1059	Dota2 Senate	Medium	8	0.5%
1060	Adjacent Increasing Subarrays Detection I	Easy	8	0.5%
1061	Maximum Number of Distinct Elements After Operations	Medium	8	0.5%
1062	K Radius Subarray Averages	Medium	8	0.5%
1063	Robot Bounded In Circle	Medium	8	0.6%
1064	Non-negative Integers without Consecutive Ones	Hard	8	0.4%
1065	Minimum Moves to Reach Target in Grid	Hard	8	0.2%
1066	Largest Positive Integer That Exists With Its Negative	Easy	8	0.7%
1067	Generate Fibonacci Sequence	Easy	8	0.8%
1068	Find X-Sum of All K-Long Subarrays II	Hard	8	0.4%
1069	Number of Ways to Form a Target String Given a Dictionary	Hard	8	0.6%
1070	Minimum One Bit Operations to Make Integers Zero	Hard	8	0.8%
1071	Tiling a Rectangle with the Fewest Squares	Hard	8	0.6%
1072	Design Tic-Tac-Toe	Medium	8	0.6%
1073	Maximum Number of Operations to Move Ones to the End	Medium	8	0.7%
1074	Delete Duplicate Folders in System	Hard	8	0.8%
1075	Max Chunks To Make Sorted II	Hard	8	0.5%
1076	Count the Number of Substrings With Dominant Ones	Medium	8	0.4%
1077	Check If All 1's Are at Least Length K Places Away	Easy	8	0.6%
1078	1-bit and 2-bit Characters	Easy	8	0.5%
1079	Add One Row to Tree	Medium	8	0.6%
1080	Keep Multiplying Found Values by Two	Easy	8	0.8%
1081	Decoded String at Index	Medium	8	0.4%
1082	Find Beautiful Indices in the Given Array I	Medium	8	0.4%
1083	Smallest Integer Divisible by K	Medium	8	0.5%
1084	Maximum Running Time of N Computers	Hard	8	0.6%
1085	Employee Free Time	Hard	8	0.7%
1086	Count Partitions with Even Sum Difference	Easy	8	0.9%
1087	Closest Binary Search Tree Value	Easy	8	0.5%
1088	Tree Node	Medium	8	0.8%
1089	Student Attendance Record II	Hard	8	0.6%
1090	The Skyline Problem	Hard	8	0.5%
1091	Cinema Seat Allocation	Medium	8	0.4%
1092	Put Marbles in Bags	Hard	8	0.7%
1093	Count Number of Trapezoids I	Medium	8	0.5%
1094	Count Mentions Per User	Medium	8	0.5%
1095	Battleships in a Board	Medium	8	0.8%
1096	Number of Ways to Divide a Long Corridor	Hard	8	0.5%
1097	Design Spreadsheet	Medium	8	0.7%
1098	Maximum Frequency of an Element After Performing Operations II	Hard	8	0.5%
1099	Count Square Sum Triples	Easy	8	0.8%
1100	Minimum Moves to Balance Circular Array	Medium	8	0.4%
1101	Delete Columns to Make Sorted II	Medium	8	0.5%
1102	Check if All A's Appears Before All B's	Easy	8	0.7%
1103	Circular Array Loop	Medium	8	0.4%
1104	Number of Good Paths	Hard	8	0.6%
1105	Apple Redistribution into Boxes	Easy	8	0.8%
1106	Analyze Subscription Conversion	Medium	8	0.7%
1107	Meeting Rooms III	Hard	8	0.5%
1108	Find Minimum Cost to Remove Array Elements	Medium	8	0.2%
1109	Minimum Moves to Convert String	Easy	8	0.6%
1110	Mini Parser	Medium	8	0.4%
1111	Soup Servings	Medium	8	0.6%
1112	Numbers With Same Consecutive Differences	Medium	8	0.6%
1113	Max Dot Product of Two Subsequences	Hard	8	0.7%
1114	Long Pressed Name	Easy	8	0.3%
1115	Arithmetic Slices II - Subsequence	Hard	8	0.6%
1116	Find Missing Elements	Easy	8	0.8%
1117	Total Hamming Distance	Medium	8	0.5%
1118	Number of Perfect Pairs	Medium	8	0.3%
1119	Construct the Minimum Bitwise Array I	Easy	8	0.9%
1120	Root Equals Sum of Children	Easy	8	0.9%
1121	Minimum Cost Path with Edge Reversals	Medium	8	0.6%
1122	Minimize String Length	Easy	8	0.8%
1123	Rectangle Area	Medium	8	0.5%
1124	Maximum Difference Between Node and Ancestor	Medium	8	0.8%
1125	Find Words That Can Be Formed by Characters	Easy	8	0.7%
1126	Find And Replace in String	Medium	8	0.5%
1127	Binary Gap	Easy	8	0.7%
1128	Trionic Array II	Hard	8	0.5%
1129	Convert 1D Array Into 2D Array	Easy	8	0.7%
1130	GCD of Odd and Even Sums	Easy	8	0.9%
1131	Self Crossing	Hard	8	0.4%
1132	Replace Non-Coprime Numbers in Array	Hard	8	0.6%
1133	Linked List Components	Medium	8	0.6%
1134	The Dining Philosophers	Medium	8	0.5%
1135	Sort Array By Parity II	Easy	8	0.7%
1136	Max Consecutive Ones II	Medium	8	0.5%
1137	Partition to K Equal Sum Subsets	Medium	8	0.4%
1138	Construct the Lexicographically Largest Valid Sequence	Medium	8	0.7%
1139	Minimum Knight Moves	Medium	8	0.4%
1140	Tenth Line	Easy	8	0.4%
1141	Remove Invalid Parentheses	Hard	8	0.5%
1142	Select Data	Easy	8	0.8%
1143	Check Digitorial Permutation	Medium	8	0.5%
1144	Minimum Changes To Make Alternating Binary String	Easy	8	0.7%
1145	Swap Adjacent in LR String	Medium	8	0.4%
1146	Find the Number of Ways to Place People I	Medium	8	0.6%
1147	Binary Tree Level Order Traversal II	Medium	8	0.7%
1148	The K Weakest Rows in a Matrix	Easy	8	0.7%
1149	Fancy Sequence	Hard	8	0.4%
1150	Maximum Frequency of an Element After Performing Operations I	Medium	8	0.4%
1151	Maximum Frequency After Subarray Operation	Medium	8	0.3%
1152	Daily Leads and Partners	Easy	8	0.9%
1153	Find the Closest Palindrome	Hard	8	0.3%
1154	Construct Product Matrix	Medium	8	0.5%
1155	Equal Sum Grid Partition I	Medium	8	0.5%
1156	Alien Dictionary	Hard	8	0.4%
1157	Count Unguarded Cells in the Grid	Medium	8	0.7%
1158	Human Traffic of Stadium	Hard	8	0.5%
1159	Maximal Score After Applying K Operations	Medium	8	0.6%
1160	Find the Largest Almost Missing Integer	Easy	8	0.4%
1161	Maximum Ascending Subarray Sum	Easy	8	0.7%
1162	Smallest Number in Infinite Set	Medium	8	0.7%
1163	Merge In Between Linked Lists	Medium	8	0.8%
1164	Shortest Common Supersequence	Hard	8	0.6%
1165	Minimum Distance to the Target Element	Easy	8	0.6%
1166	Classes With at Least 5 Students	Easy	8	0.6%
1167	Beautiful Array	Medium	8	0.7%
1168	Frog Jump	Hard	8	0.5%
1169	Minimum Operations to Reduce an Integer to 0	Medium	8	0.6%
1170	Maximize the Distance Between Points on a Square	Hard	8	0.5%
1171	Insertion Sort List	Medium	8	0.6%
1172	Greatest Sum Divisible by Three	Medium	8	0.6%
1173	Substrings of Size Three with Distinct Characters	Easy	8	0.8%
1174	Jump Game IX	Medium	8	0.5%
1175	Minimize Hamming Distance After Swap Operations	Medium	8	0.7%
1176	Binary Number with Alternating Bits	Easy	8	0.7%
1177	Build an Array With Stack Operations	Medium	8	0.8%
1178	Swapping Nodes in a Linked List	Medium	8	0.7%
1179	Design Snake Game	Medium	8	0.4%
1180	Minimum Moves to Equal Array Elements	Medium	8	0.6%
1181	Design Bounded Blocking Queue	Medium	8	0.7%
1182	Three Divisors	Easy	8	0.6%
1183	Number of Boomerangs	Medium	8	0.6%
1184	Check If Array Pairs Are Divisible by k	Medium	8	0.5%
1185	Number of Unique Subjects Taught by Each Teacher	Easy	8	0.9%
1186	Range Addition II	Easy	8	0.6%
1187	Minimum Number of Coins to be Added	Medium	8	0.6%
1188	Get Equal Substrings Within Budget	Medium	8	0.6%
1189	Minimum Jumps to Reach Home	Medium	8	0.3%
1190	Reverse Words in a String III	Easy	8	0.8%
1191	Weighted Word Mapping	Easy	8	0.9%
1192	Stock Price Fluctuation	Medium	8	0.5%
1193	Maximum Ice Cream Bars	Medium	8	0.8%
1194	Maximum Number of Balloons	Easy	8	0.6%
1195	Minimum Swaps To Make Sequences Increasing	Hard	8	0.4%
1196	Number of ZigZag Arrays I	Hard	8	0.5%
1197	Count the Number of Inversions	Hard	8	0.3%
1198	Word Frequency	Medium	8	0.3%
1199	Employee Importance	Medium	8	0.7%
1200	Count Square Submatrices with All Ones	Medium	8	0.8%

How to read this list

The tabs at the top split the questions by how recently people said they were asked in interviews. "Last 30 Days" is the past month, "Last 3 Months" is the past quarter, and so on. "All Time" is every question on record for this company.

Frequency is a score from 0 to 100 for how often a question showed up in that time window. A higher number means it came up more often, so the list starts with the most common questions first. Acceptance is the share of submissions that pass on LeetCode. Click any question to open it on LeetCode.

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