+1-5714784200

Unknown - Interview Questions

1
Order Two Columns Independently
2
Minimum Additions To Make Valid String
3
Maximum Score Of A Good Subarray
4
Number Of Provinces
5
Merge Overlapping Events In The Same Hall
6
Check If A Word Occurs As A Prefix Of Any Word In A Sentence
7
Frequency Of The Most Frequent Element
8
Count Integers With Even Digit Sum
9
Number Of Ways To Stay In The Same Place After Some Steps
10
Number Of Sets Of K Non Overlapping Line Segments
11
Count The Number Of Square Free Subsets
12
How Many Numbers Are Smaller Than The Current Number
13
Find All Good Strings
14
Solving Questions With Brainpower
15
Most Beautiful Item For Each Query
16
Minimum Swaps To Group All 1s Together
17
Next Greater Node In Linked List
18
Remove Covered Intervals
19
Number Of Valid Subarrays
20
Minimize Result By Adding Parentheses To Expression
21
Reverse Words In A String Ii
22
Distinct Prime Factors Of Product Of Array
23
Reveal Cards In Increasing Order
24
Customers Who Bought Products A And B But Not C
25
Path With Minimum Effort
26
Queries On A Permutation With Key
27
Toeplitz Matrix
28
Separate The Digits In An Array
29
Insert Into A Sorted Circular Linked List
30
Checking Existence Of Edge Length Limited Paths
31
Smallest String With A Given Numeric Value
32
Maximum Total Beauty Of The Gardens
33
Jump Game Vi
34
Grand Slam Titles
35
Design Front Middle Back Queue
36
Sliding Subarray Beauty
37
Count Of Matches In Tournament
38
Minimum Number Of Removals To Make Mountain Array
39
Maximum Length Of A Concatenated String With Unique Characters
40
Maximum Number Of Eaten Apples
41
Minimum Operations To Convert Number
42
Student Attendance Record I
43
Countries You Can Safely Invest In
44
Minimum Operations To Make Array Equal Ii
45
Watering Plants
46
String Transforms Into Another String
47
Replace Non Coprime Numbers In Array
48
Maximum Element After Decreasing And Rearranging
49
Delete The Middle Node Of A Linked List
50
Implement Trie Ii Prefix Tree
51
Search In A Sorted Array Of Unknown Size
52
Distribute Candies
53
Array Reduce Transformation
54
User Purchase Platform
55
Number Of Unique Flavors After Sharing K Candies
56
Shuffle An Array
57
Minimum Operations To Make Array Equal
58
Sum Of Beauty Of All Substrings
59
Gcd Sort Of An Array
60
Friend Requests I Overall Acceptance Rate
61
Count Asterisks
62
Valid Permutations For Di Sequence
63
Find Total Time Spent By Each Employee
64
Swap Salary
65
Array Of Doubled Pairs
66
Number Of Sub Arrays Of Size K And Average Greater Than Or Equal To Threshold
67
Actors And Directors Who Cooperated At Least Three Times
68
Sum Of Unique Elements
69
Map Sum Pairs
70
Minimum Weighted Subgraph With The Required Paths
71
Count Hills And Valleys In An Array
72
Queens That Can Attack The King
73
Remove Duplicates From An Unsorted Linked List
74
Construct K Palindrome Strings
75
Smallest Value After Replacing With Sum Of Prime Factors
76
Number Of Restricted Paths From First To Last Node
77
Valid Word Square
78
Monotonic Array
79
Matrix Block Sum
80
New 21 Game
81
Card Flipping Game
82
Most Popular Video Creator
83
Check If String Is A Prefix Of Array
84
Selling Pieces Of Wood
85
Number Of Matching Subsequences
86
Employees With Missing Information
87
Minimum Speed To Arrive On Time
88
One Edit Distance
89
Matrix Diagonal Sum
90
Cells With Odd Values In A Matrix
91
Three Consecutive Odds
92
Slowest Key
93
Check If One String Swap Can Make Strings Equal
94
Minimum Obstacle Removal To Reach Corner
95
Check If Two String Arrays Are Equivalent
96
Minimum Cost To Make Array Equal
97
Constrained Subsequence Sum
98
Replace Elements With Greatest Element On Right Side
99
Sign Of The Product Of An Array
100
Sales Person
101
Find The Array Concatenation Value
102
Minimum Swaps To Make Sequences Increasing
103
Lowest Common Ancestor Of A Binary Tree Iv
104
Maximum Binary String After Change
105
Rearranging Fruits
106
Remove All Ones With Row And Column Flips
107
Longest Nice Subarray
108
Sender With Largest Word Count
109
Walking Robot Simulation
110
Evaluate The Bracket Pairs Of A String
111
Binary Subarrays With Sum
112
Count Lattice Points Inside A Circle
113
Alternating Digit Sum
114
Find Xor Sum Of All Pairs Bitwise And
115
Count Ways To Build Rooms In An Ant Colony
116
Students Report By Geography
117
Greatest Sum Divisible By Three
118
Check If Object Instance Of Class
119
Distribute Money To Maximum Children
120
Shortest Path In Binary Matrix
121
Check If Every Row And Column Contains All Numbers
122
Number Of Rectangles That Can Form The Largest Square
123
Count Largest Group
124
Function Composition
125
Valid Arrangement Of Pairs
126
Number Of Increasing Paths In A Grid
127
Sum Of Digits In The Minimum Number
128
Minimum Moves To Reach Target Score
129
Number Of Dice Rolls With Target Sum
130
Increment Submatrices By One
131
Maximum Number Of Removable Characters
132
Rising Temperature
133
Maximum Distance Between A Pair Of Values
134
Find All Good Indices
135
Tiling A Rectangle With The Fewest Squares
136
Final Value Of Variable After Performing Operations
137
Range Product Queries Of Powers
138
Circle And Rectangle Overlapping
139
Create Target Array In The Given Order
140
Mice And Cheese
141
Binary Search Tree To Greater Sum Tree
142
Design Tic Tac Toe
143
Make Two Arrays Equal By Reversing Subarrays
144
Sort Even And Odd Indices Independently
145
Find Minimum Time To Finish All Jobs
146
Number Of Submatrices That Sum To Target
147
Sleep
148
Get Equal Substrings Within Budget
149
Find Valid Matrix Given Row And Column Sums
150
Sort Linked List Already Sorted Using Absolute Values
151
Array Prototype Last
152
Minimum Non Zero Product Of The Array Elements
153
Calculate Amount Paid In Taxes
154
Calculate Money In Leetcode Bank
155
Minimum Falling Path Sum Ii
156
Decompress Run Length Encoded List
157
Largest Combination With Bitwise And Greater Than Zero
158
Maximum Product Of Two Elements In An Array
159
Element Appearing More Than 25 In Sorted Array
160
Backspace String Compare
161
The Number Of Seniors And Juniors To Join The Company
162
Product Of Two Run Length Encoded Arrays
163
Check If Word Equals Summation Of Two Words
164
Product Sales Analysis Iii
165
Word Frequency
166
Average Selling Price
167
Number Of Arithmetic Triplets
168
Watering Plants Ii
169
Average Waiting Time
170
Find Smallest Letter Greater Than Target
171
Largest Local Values In A Matrix
172
Decode The Slanted Ciphertext
173
Count Submatrices With All Ones
174
Paths In Matrix Whose Sum Is Divisible By K
175
A Number After A Double Reversal
176
Minimum Number Of Operations To Move All Balls To Each Box
177
Palindrome Partitioning Iii
178
Smallest Even Multiple
179
Sentence Similarity Ii
180
Base 7
181
Minimum Addition To Make Integer Beautiful
182
Merge Similar Items
183
Largest Plus Sign
184
Most Frequent Even Element
185
Read N Characters Given Read4
186
Swap For Longest Repeated Character Substring
187
Minimum Bit Flips To Convert Number
188
Minimize Maximum Pair Sum In Array
189
Minimum Insertions To Balance A Parentheses String
190
Minimum Operations To Make A Subsequence
191
Reverse Nodes In Even Length Groups
192
Difference Between Element Sum And Digit Sum Of An Array
193
Maximum Number Of Weeks For Which You Can Work
194
Cat And Mouse
195
Convert An Array Into A 2d Array With Conditions
196
Dice Roll Simulation
197
Strictly Palindromic Number
198
Debounce
199
Subarray With Elements Greater Than Varying Threshold
200
Implement Rand10 Using Rand7
201
Last Person To Fit In The Bus
202
Strange Printer Ii
203
Distribute Repeating Integers
204
Print Words Vertically
205
Count Negative Numbers In A Sorted Matrix
206
Count Square Sum Triples
207
Take Gifts From The Richest Pile
208
Find Smallest Common Element In All Rows
209
Number Of Recent Calls
210
Design Circular Deque
211
Minimum Cost To Set Cooking Time
212
Partition Array Such That Maximum Difference Is K
213
Minimum Space Wasted From Packaging
214
Available Captures For Rook
215
Prison Cells After N Days
216
Find Longest Awesome Substring
217
Rings And Rods
218
Finding 3 Digit Even Numbers
219
Find Words That Can Be Formed By Characters
220
Satisfiability Of Equality Equations
221
Stone Game Ii
222
Find Lucky Integer In An Array
223
Increasing Triplet Subsequence
224
Maximize Greatness Of An Array
225
Minimum Moves To Convert String
226
Filling Bookcase Shelves
227
Node With Highest Edge Score
228
K Radius Subarray Averages
229
Minimum Distance To Type A Word Using Two Fingers
230
Minimum Time Visiting All Points
231
Minimize The Maximum Difference Of Pairs
232
Number Of Common Factors
233
Kth Smallest Number In Multiplication Table
234
Substring Xor Queries
235
Percentage Of Letter In String
236
Remove Sub Folders From The Filesystem
237
Maximum Absolute Sum Of Any Subarray
238
Insufficient Nodes In Root To Leaf Paths
239
Video Stitching
240
Two Sum Bsts
241
Brick Wall
242
Check If A Parentheses String Can Be Valid
243
Plates Between Candles
244
Minimum Operations To Make All Array Elements Equal
245
Reduction Operations To Make The Array Elements Equal
246
Grid Illumination
247
Number Of Times Binary String Is Prefix Aligned
248
Linked List Components
249
Largest Odd Number In String
250
Find Score Of An Array After Marking All Elements
251
Number Of Steps To Reduce A Number In Binary Representation To One
252
Group Sold Products By The Date
253
Minimum Deletions To Make Array Divisible
254
Root Equals Sum Of Children
255
Contain Virus
256
Find The Middle Index In Array
257
Divide Chocolate
258
Sort The People
259
Maximum Sum Of Distinct Subarrays With Length K
260
Occurrences After Bigram
261
Closest Subsequence Sum
262
Split Two Strings To Make Palindrome
263
Number Of Excellent Pairs
264
Sequence Reconstruction
265
Number Of Trusted Contacts Of A Customer
266
Maximum Score Of A Node Sequence
267
Flatten 2d Vector
268
Reachable Nodes In Subdivided Graph
269
Longest Arithmetic Subsequence
270
Number Of Ways To Rearrange Sticks With K Sticks Visible
271
Count Words Obtained After Adding A Letter
272
Query Kth Smallest Trimmed Number
273
Create Binary Tree From Descriptions
274
Last Stone Weight Ii
275
Count Elements With Strictly Smaller And Greater Elements
276
Binary Trees With Factors
277
Find Triangular Sum Of An Array
278
Score After Flipping Matrix
279
Sales Analysis Iii
280
Rearrange Products Table
281
Smallest Missing Genetic Value In Each Subtree
282
Jump Game Vii
283
Leetflex Banned Accounts
284
Detect Cycles In 2d Grid
285
Intervals Between Identical Elements
286
Longest Harmonious Subsequence
287
Stone Game Vii
288
Car Fleet Ii
289
Maximum Number Of Ways To Partition An Array
290
Preimage Size Of Factorial Zeroes Function
291
Managers With At Least 5 Direct Reports
292
Grumpy Bookstore Owner
293
Divide Array In Sets Of K Consecutive Numbers
294
Magical String
295
Rectangles Area
296
How Many Apples Can You Put Into The Basket
297
Detect Squares
298
Minimum Number Of Vertices To Reach All Nodes
299
Fancy Sequence
300
Minimize Xor
301
Accounts Merge
302
Total Hamming Distance
303
Minimum Swaps To Arrange A Binary Grid
304
Destroying Asteroids
305
Uncrossed Lines
306
Row With Maximum Ones
307
Amount Of New Area Painted Each Day
308
K Similar Strings
309
Parallel Courses Iii
310
Can You Eat Your Favorite Candy On Your Favorite Day
311
Form Smallest Number From Two Digit Arrays
312
Count Square Submatrices With All Ones
313
Longest Palindrome
314
Minimum Time To Finish The Race
315
Range Sum Query Mutable
316
Shifting Letters Ii
317
Find First Palindromic String In The Array
318
Convert The Temperature
319
Moving Average From Data Stream
320
Simple Bank System
321
Widest Vertical Area Between Two Points Containing No Points
322
Shortest Completing Word
323
Apply Discount Every N Orders
324
Sum Of Number And Its Reverse
325
Number Of Valid Words In A Sentence
326
Design A Food Rating System
327
Longest Square Streak In An Array
328
Minimum Number Of Moves To Seat Everyone
329
Maximum Fruits Harvested After At Most K Steps
330
Minimum Numbers Of Function Calls To Make Target Array
331
Rank Transform Of An Array
332
Minimum Cost Of Buying Candies With Discount
333
Confirmation Rate
334
Market Analysis I
335
Can Make Palindrome From Substring
336
Ip To Cidr
337
Minimum Cost To Make At Least One Valid Path In A Grid
338
Maximum Matrix Sum
339
Check If A Number Is Majority Element In A Sorted Array
340
Maximize Grid Happiness
341
Reformat The String
342
License Key Formatting
343
N Repeated Element In Size 2n Array
344
Minimize Max Distance To Gas Station
345
Min Cost Climbing Stairs
346
Merge Nodes In Between Zeros
347
Kth Distinct String In An Array
348
Arithmetic Subarrays
349
Sentence Similarity Iii
350
Relative Ranks
351
Find The Minimum And Maximum Number Of Nodes Between Critical Points
352
Rearrange Array Elements By Sign
353
Minimum Value To Get Positive Step By Step Sum
354
Capital Gainloss
355
Number Of Pairs Of Interchangeable Rectangles
356
Maximum Value After Insertion
357
Minimum Reverse Operations
358
Can Make Arithmetic Progression From Sequence
359
Sum Of Digits In Base K
360
Remove Max Number Of Edges To Keep Graph Fully Traversable
361
Minimum Number Of Operations To Sort A Binary Tree By Level
362
Longest Absolute File Path
363
Rearrange Words In A Sentence
364
Partition Array Into Disjoint Intervals
365
Nim Game
366
Intersection Of Multiple Arrays
367
Count Number Of Homogenous Substrings
368
Rank Transform Of A Matrix
369
Maximum Number Of Occurrences Of A Substring
370
Maximum Score From Removing Stones
371
Tree Node
372
Minimum Flips To Make A Or B Equal To C
373
Count Collisions Of Monkeys On A Polygon
374
Defuse The Bomb
375
Remove Palindromic Subsequences
376
Swapping Nodes In A Linked List
377
Minimum Number Of Operations To Make Array Continuous
378
Jump Game Viii
379
Maximum Subarray Min Product
380
Products With Three Or More Orders In Two Consecutive Years
381
Maximum Product Of The Length Of Two Palindromic Subsequences
382
Decode Xored Array
383
Flower Planting With No Adjacent
384
Second Degree Follower
385
Longest Chunked Palindrome Decomposition
386
Maximal Score After Applying K Operations
387
Arrange Table By Gender
388
Best Poker Hand
389
Split The Array To Make Coprime Products
390
Decode The Message
391
Operations On Tree
392
Fix Names In A Table
393
Find Minimum Time To Finish All Jobs Ii
394
Peeking Iterator
395
Shortest Subarray To Be Removed To Make Array Sorted
396
Minimum Cost To Cut A Stick
397
Filter Restaurants By Vegan Friendly Price And Distance
398
Find Subarrays With Equal Sum
399
Minimum Interval To Include Each Query
400
Check If Number Has Equal Digit Count And Digit Value
401
Maximum Repeating Substring
402
Shuffle String
403
Keep Multiplying Found Values By Two
404
Maximum Sum Of An Hourglass
405
Find The Kth Largest Integer In The Array
406
Numbers With Same Consecutive Differences
407
Sum Of Prefix Scores Of Strings
408
Divide Array Into Equal Pairs
409
Minimum Absolute Difference Queries
410
Number Of Flowers In Full Bloom
411
Letter Tile Possibilities
412
Maximum Segment Sum After Removals
413
Sort Items By Groups Respecting Dependencies
414
Minimum Number Of Operations To Make Arrays Similar
415
Customers With Strictly Increasing Purchases
416
Total Appeal Of A String
417
Not Boring Movies
418
Count Good Triplets
419
Strobogrammatic Number Ii
420
Loud And Rich
421
Random Pick Index
422
Stepping Numbers
423
Divide Intervals Into Minimum Number Of Groups
424
The Latest Time To Catch A Bus
425
Sum Of Mutated Array Closest To Target
426
Minimum Distance To The Target Element
427
Minimum Sideway Jumps
428
Minimum Length Of String After Deleting Similar Ends
429
Online Election
430
Calculate Special Bonus
431
Customer Who Visited But Did Not Make Any Transactions
432
Xor Operation In An Array
433
Number Of Pairs Satisfying Inequality
434
Subrectangle Queries
435
Maximum Sum Bst In Binary Tree
436
Largest Magic Square
437
Calculate Delayed Arrival Time
438
Find Customer Referee
439
Minimize The Total Price Of The Trips
440
Maximum Difference By Remapping A Digit
441
Count Special Quadruplets
442
Tenth Line
443
Find The Difference Of Two Arrays
444
Find Eventual Safe States
445
Largest Merge Of Two Strings
446
Kth Smallest Product Of Two Sorted Arrays
447
Campus Bikes Ii
448
Minimum Index Sum Of Two Lists
449
Orders With Maximum Quantity Above Average
450
Traffic Light Controlled Intersection
451
Jump Game V
452
Check If There Is A Valid Partition For The Array
453
Path Crossing
454
Investments In 2016
455
Course Schedule Iv
456
Number Of Students Doing Homework At A Given Time
457
Fixed Point
458
Check If All The Integers In A Range Are Covered
459
Maximum Number Of Groups Getting Fresh Donuts
460
First And Last Call On The Same Day
461
Maximum Matching Of Players With Trainers
462
Smallest Rotation With Highest Score
463
Minimum Difference Between Largest And Smallest Value In Three Moves
464
Rearrange Spaces Between Words
465
Rank Scores
466
Substrings Of Size Three With Distinct Characters
467
Count Salary Categories
468
Maximum Subarray Sum With One Deletion
469
Filter Elements From Array
470
Fizz Buzz Multithreaded
471
Classes More Than 5 Students
472
Number Of Distinct Averages
473
Minimum Number Of Operations To Make String Sorted
474
Apply Operations To An Array
475
Reformat Department Table
476
Find The Winner Of An Array Game
477
All Paths From Source To Target
478
Encrypt And Decrypt Strings
479
Minimum Replacements To Sort The Array
480
Capitalize The Title
481
Execution Of All Suffix Instructions Staying In A Grid
482
Best Position For A Service Centre
483
Parallel Courses Ii
484
Largest Sum Of Averages
485
Display Table Of Food Orders In A Restaurant
486
Palindrome Removal
487
Count Nodes Equal To Average Of Subtree
488
Minimum Initial Energy To Finish Tasks
489
Count Artifacts That Can Be Extracted
490
Throne Inheritance
491
Minimum Cost To Connect Two Groups Of Points
492
Crawler Log Folder
493
Number Of Pairs Of Strings With Concatenation Equal To Target
494
Number Of Valid Move Combinations On Chessboard
495
Active Users
496
Strings Differ By One Character
497
Design Hashset
498
Decoded String At Index
499
Maximum Number Of Words Found In Sentences
500
Check If Move Is Legal
501
The Airport With The Most Traffic
502
Array With Elements Not Equal To Average Of Neighbors
503
Minimum Number Of Visited Cells In A Grid
504
Minimum Operations To Make The Array K Increasing
505
Find The Distance Value Between Two Arrays
506
Number Of Equivalent Domino Pairs
507
Exclusive Time Of Functions
508
Zigzag Iterator
509
Max Number Of K Sum Pairs
510
Path With Maximum Minimum Value
511
Design A Number Container System
512
Minimum Swaps To Group All 1s Together Ii
513
Maximum Alternating Subarray Sum
514
Number Of Ways To Earn Points
515
Maximum Value Of A String In An Array
516
Number Of Corner Rectangles
517
Count The Digits That Divide A Number
518
Number Of Ways Where Square Of Number Is Equal To Product Of Two Numbers
519
Minimum Xor Sum Of Two Arrays
520
Game Play Analysis Ii
521
Rectangle Area Ii
522
Maximum Score From Removing Substrings
523
Number Complement
524
Lowest Common Ancestor Of A Binary Tree Ii
525
Number Of Ways To Reach A Position After Exactly K Steps
526
Best Sightseeing Pair
527
K Th Smallest In Lexicographical Order
528
Difference Between Ones And Zeros In Row And Column
529
Fair Distribution Of Cookies
530
Mean Of Array After Removing Some Elements
531
Maximum And Sum Of Array
532
Minimum Recolors To Get K Consecutive Black Blocks
533
Magic Squares In Grid
534
Number Of Good Leaf Nodes Pairs
535
Robot Room Cleaner
536
Map Of Highest Peak
537
Optimal Account Balancing
538
Check If A String Contains All Binary Codes Of Size K
539
Number Of Strings That Appear As Substrings In Word
540
Smallest Missing Non Negative Integer After Operations
541
Winning Candidate
542
Print In Order
543
Diagonal Traverse Ii
544
Maximum Nesting Depth Of Two Valid Parentheses Strings
545
Connecting Cities With Minimum Cost
546
Reported Posts
547
Maximum Equal Frequency
548
Falling Squares
549
Length Of Longest Fibonacci Subsequence
550
Lexicographical Numbers
551
Count Number Of Possible Root Nodes
552
Maximum Xor After Operations
553
Valid Phone Numbers
554
Number Of Ways To Divide A Long Corridor
555
Median Of A Row Wise Sorted Matrix
556
Array Partition
557
Check If Point Is Reachable
558
Get The Maximum Score
559
Jump Game Iii
560
Number Of Distinct Islands Ii
561
Maximum Font To Fit A Sentence In A Screen
562
Collect Coins In A Tree
563
Determine If Two Events Have Conflict
564
The Number Of Weak Characters In The Game
565
Movie Rating
566
Minimum Number Of Keypresses
567
Count Good Triplets In An Array
568
Maximum Xor With An Element From Array
569
Merge In Between Linked Lists
570
Brace Expansion
571
Find Right Interval
572
Get Highest Answer Rate Question
573
Add Edges To Make Degrees Of All Nodes Even
574
Largest Number At Least Twice Of Others
575
Build An Array With Stack Operations
576
Most Frequent Number Following Key In An Array
577
Duplicate Zeros
578
Minimum Skips To Arrive At Meeting On Time
579
Products Price For Each Store
580
Paint House Iii
581
Pyramid Transition Matrix
582
Count The Number Of Vowel Strings In Range
583
Check If All 1s Are At Least Length K Places Away
584
Battleships In A Board
585
Most Profit Assigning Work
586
Critical Connections In A Network
587
Grid Game
588
Goal Parser Interpretation
589
Maximum Product Difference Between Two Pairs
590
Shortest Way To Form String
591
Find K Pairs With Smallest Sums
592
Uncommon Words From Two Sentences
593
Smallest String With Swaps
594
Minimum Area Rectangle
595
Minimized Maximum Of Products Distributed To Any Store
596
Truncate Sentence
597
Longest Increasing Subsequence Ii
598
High Five
599
Longer Contiguous Segments Of Ones Than Zeros
600
Average Salary Excluding The Minimum And Maximum Salary
601
Sentence Similarity
602
Maximum Enemy Forts That Can Be Captured
603
Number Of Calls Between Two Persons
604
Equal Sum Arrays With Minimum Number Of Operations
605
The Most Frequently Ordered Products For Each Customer
606
Kth Largest Sum In A Binary Tree
607
Number Of Days In A Month
608
Average Height Of Buildings In Each Segment
609
Lemonade Change
610
Sum Of Distances
611
Count Number Of Pairs With Absolute Difference K
612
Count Nodes With The Highest Score
613
Maximum Subsequence Score
614
Number Of Steps To Reduce A Number To Zero
615
Maximum Xor For Each Query
616
Find Two Non Overlapping Sub Arrays Each With Target Sum
617
Minimum Difficulty Of A Job Schedule
618
Count Subarrays With More Ones Than Zeros
619
Maximize Sum Of Array After K Negations
620
Maximum Path Quality Of A Graph
621
Find Subsequence Of Length K With The Largest Sum
622
Special Positions In A Binary Matrix
623
Minimum Swaps To Make Strings Equal
624
Make Array Strictly Increasing
625
Minimize Hamming Distance After Swap Operations
626
All Oone Data Structure
627
Build A Matrix With Conditions
628
Minimum One Bit Operations To Make Integers Zero
629
Last Day Where You Can Still Cross
630
Shortest Common Supersequence
631
Largest Positive Integer That Exists With Its Negative
632
Finding The Users Active Minutes
633
Number Of Beautiful Partitions
634
Maximum Score After Splitting A String
635
Take K Of Each Character From Left And Right
636
Number Of Lines To Write String
637
Top K Frequent Words
638
User Activity For The Past 30 Days I
639
Sequential Digits
640
Flipping An Image
641
Students And Examinations
642
Maximum Score From Performing Multiplication Operations
643
Count Distinct Numbers On Board
644
Minimum Path Cost In A Grid
645
Count Number Of Texts
646
Contiguous Array
647
Employee Bonus
648
24 Game
649
Maximize Number Of Nice Divisors
650
Maximum Non Negative Product In A Matrix
651
Customer Placing The Largest Number Of Orders
652
Swap Adjacent In Lr String
653
Minimum Number Of Operations To Make All Array Elements Equal To 1
654
Shortest Distance To Target Color
655
Closest Prime Numbers In Range
656
Check Distances Between Same Letters
657
The Score Of Students Solving Math Expression
658
Steps To Make Array Non Decreasing
659
Balance A Binary Search Tree
660
Minimum Amount Of Time To Fill Cups
661
Find Customers With Positive Revenue This Year
662
Word Squares
663
Minimum Hours Of Training To Win A Competition
664
Ways To Split Array Into Three Subarrays
665
Shortest Distance To A Character
666
Maximum Profit From Trading Stocks
667
Number Of Times A Driver Was A Passenger
668
Cycle Length Queries In A Tree
669
Difference Between Maximum And Minimum Price Sum
670
Maximum Number Of Balls In A Box
671
Find The Missing Ids
672
Remove Letter To Equalize Frequency
673
Walking Robot Simulation Ii
674
Restore The Array From Adjacent Pairs
675
Number Of Subarrays With Gcd Equal To K
676
Compare Version Numbers
677
Find The Difference
678
Image Overlap
679
Stone Game Vi
680
Minimum Limit Of Balls In A Bag
681
The Number Of Employees Which Report To Each Employee
682
Sum Of Numbers With Units Digit K
683
Check If All As Appears Before All Bs
684
Move Pieces To Obtain A String
685
K Th Smallest Prime Fraction
686
Rearrange Array To Maximize Prefix Score
687
Counter
688
Short Encoding Of Words
689
Find Users With Valid E Mails
690
Water Bottles
691
Maximum Count Of Positive Integer And Negative Integer
692
Trips And Users
693
The Number Of Beautiful Subsets
694
Adding Spaces To A String
695
Minimum Score After Removals On A Tree
696
Maximum Side Length Of A Square With Sum Less Than Or Equal To Threshold
697
Daily Leads And Partners
698
Minimum Time To Type Word Using Special Typewriter
699
Widest Pair Of Indices With Equal Range Sum
700
Car Pooling
701
Find Distance In A Binary Tree
702
Print Zero Even Odd
703
Number Of Ways To Build Sturdy Brick Wall
704
Path With Maximum Probability
705
Number Of Unequal Triplets In Array
706
Delete And Earn
707
Find The Original Array Of Prefix Xor
708
Eliminate Maximum Number Of Monsters
709
Decrypt String From Alphabet To Integer Mapping
710
Design Most Recently Used Queue
711
Minimum Number Of Increments On Subarrays To Form A Target Array
712
Minimum Number Of Moves To Make Palindrome
713
Minimum Moves To Move A Box To Their Target Location
714
Words Within Two Edits Of Dictionary
715
Groups Of Strings
716
All Ancestors Of A Node In A Directed Acyclic Graph
717
Unpopular Books
718
K Empty Slots
719
Minimum Cost To Connect Sticks
720
K Items With The Maximum Sum
721
Find Target Indices After Sorting Array
722
Make K Subarray Sums Equal
723
Find Three Consecutive Integers That Sum To A Given Number
724
Minimum Number Of Work Sessions To Finish The Tasks
725
Min Cost To Connect All Points
726
Counting Elements
727
Find Latest Group Of Size M
728
Queries On Number Of Points Inside A Circle
729
Reachable Nodes With Restrictions
730
Product Of The Last K Numbers
731
Shortest Cycle In A Graph
732
Maximum White Tiles Covered By A Carpet
733
Check If Word Can Be Placed In Crossword
734
Maximum Number Of Darts Inside Of A Circular Dartboard
735
Two Sum Less Than K
736
Exam Room
737
K Highest Ranked Items Within A Price Range
738
Sequentially Ordinal Rank Tracker
739
Maximum Consecutive Floors Without Special Floors
740
Maximum Length Of Subarray With Positive Product
741
Find The Most Competitive Subsequence
742
Push Dominoes
743
Kth Smallest Instructions
744
Minimum Changes To Make Alternating Binary String
745
Number Of Different Integers In A String
746
Maximum Twin Sum Of A Linked List
747
Count Number Of Special Subsequences
748
Counting Words With A Given Prefix
749
Swim In Rising Water
750
Smallest Index With Equal Value
751
Maximal Network Rank
752
Merge Triplets To Form Target Triplet
753
Html Entity Parser
754
Make Number Of Distinct Characters Equal
755
Add Two Polynomials Represented As Linked Lists
756
Friend Requests Ii Who Has The Most Friends
757
Single Number Iii
758
Number Of Even And Odd Bits
759
Stone Game V
760
Find All Possible Recipes From Given Supplies
761
Find The Index Of The Large Integer
762
Check If There Is A Valid Path In A Grid
763
Find Greatest Common Divisor Of Array
764
Maximize The Topmost Element After K Moves
765
Check If The Sentence Is Pangram
766
Distant Barcodes
767
Largest Values From Labels
768
Max Dot Product Of Two Subsequences
769
Day Of The Week
770
Sum Of Digits Of String After Convert
771
Minimum Number Of Flips To Convert Binary Matrix To Zero Matrix
772
Can Convert String In K Moves
773
Count Number Of Bad Pairs
774
Count Special Integers
775
Maximum Erasure Value
776
Advantage Shuffle
777
Distinct Echo Substrings
778
Maximum Height By Stacking Cuboids
779
Find The Longest Balanced Substring Of A Binary String
780
Iterator For Combination
781
Find N Unique Integers Sum Up To Zero
782
Maximum Sum Of Two Non Overlapping Subarrays
783
Merge Operations To Turn Array Into A Palindrome
784
Maximum Number Of Tasks You Can Assign
785
Max Sum Of A Pair With Equal Sum Of Digits
786
Length Of The Longest Alphabetical Continuous Substring
787
Number Of Valid Clock Times
788
Is Graph Bipartite
789
Minimum Number Of K Consecutive Bit Flips
790
Moving Stones Until Consecutive Ii
791
Minimum Moves To Reach Target With Rotations
792
Exchange Seats
793
Create Components With Same Value
794
Find Root Of N Ary Tree
795
Minimum Money Required Before Transactions
796
Using A Robot To Print The Lexicographically Smallest String
797
Spiral Matrix Iv
798
Consecutive Available Seats
799
Patients With A Condition
800
Minimum Penalty For A Shop
801
Minimum Sum Of Squared Difference
802
Check If Binary String Has At Most One Segment Of Ones
803
Thousand Separator
804
Open The Lock
805
Most Visited Sector In A Circular Track
806
Pass The Pillow
807
Reverse Prefix Of Word
808
Number Of Paths With Max Score
809
Longest Word In Dictionary
810
Count Prefixes Of A Given String
811
Construct The Rectangle
812
Largest Palindrome Product
813
Smallest Subarrays With Maximum Bitwise Or
814
Check If Number Is A Sum Of Powers Of Three
815
Minimize Malware Spread
816
Array Transformation
817
Recover The Original Array
818
Minimum Deletions To Make Array Beautiful
819
Longest Common Subpath
820
Find Numbers With Even Number Of Digits
821
Second Largest Digit In A String
822
Smallest Value Of The Rearranged Number
823
Find The Pivot Integer
824
Delete Tree Nodes
825
Game Play Analysis V
826
Number Of Ways To Arrive At Destination
827
Friends Of Appropriate Ages
828
Even Odd Tree
829
Design An Atm Machine
830
4sum Ii
831
Minimum Adjacent Swaps For K Consecutive Ones
832
Maximum Width Ramp
833
Partition String Into Substrings With Values At Most K
834
Find The Student That Will Replace The Chalk
835
Find The City With The Smallest Number Of Neighbors At A Threshold Distance
836
Add Two Numbers Ii
837
Tallest Billboard
838
Count Vowels Permutation
839
Minimum Add To Make Parentheses Valid
840
Number Of Wonderful Substrings
841
Replace The Substring For Balanced String
842
Find The Prefix Common Array Of Two Arrays
843
Maximum Alternating Subsequence Sum
844
Count Ways To Build Good Strings
845
Count Days Spent Together
846
Rearrange Characters To Make Target String
847
Longest Ideal Subsequence
848
Maximum Good People Based On Statements
849
Hand Of Straights
850
The K Strongest Values In An Array
851
Lexicographically Smallest String After Applying Operations
852
Delete Characters To Make Fancy String
853
Maximum Number Of Balloons
854
Distinct Subsequences Ii
855
Stone Game Iv
856
Find Original Array From Doubled Array
857
Cells In A Range On An Excel Sheet
858
Find Anagram Mappings
859
Sort Features By Popularity
860
Evaluate Boolean Binary Tree
861
Number Of Ways To Buy Pens And Pencils
862
Group Employees Of The Same Salary
863
Remove Outermost Parentheses
864
Max Increase To Keep City Skyline
865
Largest 3 Same Digit Number In String
866
Get Maximum In Generated Array
867
Promise Pool
868
Monthly Transactions I
869
Xor Queries Of A Subarray
870
Ways To Make A Fair Array
871
The Number Of Passengers In Each Bus Ii
872
Design Skiplist
873
Web Crawler Multithreaded
874
Cyclically Rotating A Grid
875
Maximum Value At A Given Index In A Bounded Array
876
Bank Account Summary Ii
877
Number Of Valid Words For Each Puzzle
878
Number Of Smooth Descent Periods Of A Stock
879
Minimum Number Of Days To Eat N Oranges
880
Count Number Of Distinct Integers After Reverse Operations
881
Reverse Odd Levels Of Binary Tree
882
Circular Sentence
883
Relative Sort Array
884
Process Tasks Using Servers
885
Time Needed To Inform All Employees
886
Maximum Number Of Pairs In Array
887
Split With Minimum Sum
888
Maximum Points You Can Obtain From Cards
889
Removing Minimum Number Of Magic Beans
890
Minimum White Tiles After Covering With Carpets
891
Find Xor Beauty Of Array
892
Maximum Candies You Can Get From Boxes
893
Find Palindrome With Fixed Length
894
Count Common Words With One Occurrence
895
Largest Submatrix With Rearrangements
896
Range Frequency Queries
897
Greatest English Letter In Upper And Lower Case
898
Longest Nice Substring
899
Smallest K Length Subsequence With Occurrences Of A Letter
900
Partition Array Into Three Parts With Equal Sum
901
Minimum Difference Between Highest And Lowest Of K Scores
902
Random Flip Matrix
903
Web Crawler
904
Coloring A Border
905
Convert A Number To Hexadecimal
906
Find Closest Number To Zero
907
Closest Dessert Cost
908
Max Difference You Can Get From Changing An Integer
909
Number Of Unique Good Subsequences
910
House Robber Iv
911
Hamming Distance
912
Convert 1d Array Into 2d Array
913
Implement Magic Dictionary
914
Last Substring In Lexicographical Order
915
Maximum Star Sum Of A Graph
916
Find A Peak Element Ii
917
Time Needed To Buy Tickets
918
Design Phone Directory
919
Removing Stars From A String
920
Active Businesses
921
Equal Row And Column Pairs
922
Minimize The Difference Between Target And Chosen Elements
923
Final Prices With A Special Discount In A Shop
924
Number Of Unique Subjects Taught By Each Teacher
925
Memoize
926
Seat Reservation Manager
927
The Employee That Worked On The Longest Task
928
Random Point In Non Overlapping Rectangles
929
Find All People With Secret
930
Odd String Difference
931
Min Max Game
932
Champagne Tower
933
Longest Subsequence Repeated K Times
934
Previous Permutation With One Swap
935
Minimum Operations To Reduce An Integer To 0
936
Graph Connectivity With Threshold
937
Tweet Counts Per Frequency
938
Minimum Number Of Flips To Make The Binary String Alternating
939
Count Operations To Obtain Zero
940
Prime Number Of Set Bits In Binary Representation
941
Time Needed To Rearrange A Binary String
942
Stone Game Iii
943
Largest 1 Bordered Square
944
Count Subarrays With Score Less Than K
945
First Letter To Appear Twice
946
Count Sub Islands
947
Moving Stones Until Consecutive
948
String Compression Ii
949
Maximum Area Of A Piece Of Cake After Horizontal And Vertical Cuts
950
Find Critical And Pseudo Critical Edges In Minimum Spanning Tree
951
Cherry Pickup Ii
952
Find Good Days To Rob The Bank
953
Number Of Ways To Paint N 3 Grid
954
Missing Element In Sorted Array
955
Plus One Linked List
956
Number Of Ways To Select Buildings
957
Find The Highest Altitude
958
Bag Of Tokens
959
Minimum Adjacent Swaps To Reach The Kth Smallest Number
960
Binary Prefix Divisible By 5
961
Article Views I
962
Apply Discount To Prices
963
Shortest Bridge
964
Find Followers Count
965
Shift 2d Grid
966
Sum Of Even Numbers After Queries
967
Largest Number After Digit Swaps By Parity
968
Two Out Of Three
969
Frog Position After T Seconds
970
Three Divisors
971
User Activity For The Past 30 Days Ii
972
Minimum Number Of Days To Disconnect Island
973
Sum Of All Subset Xor Totals
974
Count Equal And Divisible Pairs In An Array
975
Valid Mountain Array
976
Matrix Cells In Distance Order
977
Reverse Substrings Between Each Pair Of Parentheses
978
Sort Array By Parity
979
Primary Department For Each Employee
980
Minimum Window Subsequence
981
Build Binary Expression Tree From Infix Expression
982
Print Foobar Alternately
983
Maximum Number Of Points From Grid Queries
984
Largest Unique Number
985
Parallel Courses
986
Smallest Number In Infinite Set
987
Dinner Plate Stacks
988
Maximum Total Importance Of Roads
989
Design Parking System
990
Minimum Time To Visit A Cell In A Grid
991
Restaurant Growth
992
Customers Who Bought All Products
993
Delete Greatest Value In Each Row
994
Design Movie Rental System
995
Minimum Consecutive Cards To Pick Up
996
Delete Columns To Make Sorted Ii
997
String Without Aaa Or Bbb
998
Disconnect Path In A Binary Matrix By At Most One Flip
999
Minimize Malware Spread Ii
1000
Meeting Scheduler
1001
Flip Columns For Maximum Number Of Equal Rows
1002
Second Minimum Time To Reach Destination
1003
Find The Kth Smallest Sum Of A Matrix With Sorted Rows
1004
Lowest Common Ancestor Of A Binary Tree Iii
1005
Maximum Split Of Positive Even Integers
1006
Game Play Analysis Iv
1007
Count The Hidden Sequences
1008
Json Deep Equal
1009
Partitioning Into Minimum Number Of Deci Binary Numbers
1010
Sort The Jumbled Numbers
1011
Restore The Array
1012
Minimum Cost Homecoming Of A Robot In A Grid
1013
Maximize The Confusion Of An Exam
1014
Number Of Boomerangs
1015
Number Of Distinct Islands
1016
Max Value Of Equation
1017
Tournament Winners
1018
Minimum Sum Of Four Digit Number After Splitting Digits
1019
Tuple With Same Product
1020
Cat And Mouse Ii
1021
Form Largest Integer With Digits That Add Up To Target
1022
Merge Strings Alternately
1023
Sorting The Sentence
1024
Count Nice Pairs In An Array
1025
Minimum Degree Of A Connected Trio In A Graph
1026
Users That Actively Request Confirmation Messages
1027
Find The Team Size
1028
Design Compressed String Iterator
1029
Amount Of Time For Binary Tree To Be Infected
1030
Closest Nodes Queries In A Binary Search Tree
1031
Find Unique Binary String
1032
Check If N And Its Double Exist
1033
First Unique Number
1034
Sum Multiples
1035
Intersection Of Three Sorted Arrays
1036
Bitwise Xor Of All Pairings
1037
Total Cost To Hire K Workers
1038
My Calendar Ii
1039
Maximum Number Of Events That Can Be Attended Ii
1040
Compare Strings By Frequency Of The Smallest Character
1041
Sell Diminishing Valued Colored Balls
1042
Power Of Four
1043
Reformat Date
1044
Maximum Size Subarray Sum Equals K
1045
Count Items Matching A Rule
1046
The Number Of Good Subsets
1047
Maximize The Minimum Powered City
1048
Consecutive Characters
1049
Binary Watch
1050
Triples With Bitwise And Equal To Zero
1051
Cache With Time Limit
1052
Prefix And Suffix Search
1053
Replace Employee Id With The Unique Identifier
1054
Number Of Laser Beams In A Bank
1055
Stone Game Ix
1056
Perfect Rectangle
1057
Positions Of Large Groups
1058
Kids With The Greatest Number Of Candies
1059
Building H2o
1060
Maximize Score After N Operations
1061
Shortest Distance To Target String In A Circular Array
1062
Longest Turbulent Subarray
1063
Maximum Trailing Zeros In A Cornered Path
1064
Find The K Sum Of An Array
1065
Count Number Of Ways To Place Houses
1066
Count Anagrams
1067
Merge Bsts To Create Single Bst
1068
Calculate Digit Sum Of A String
1069
Minimum Operations To Reduce X To Zero
1070
Kth Smallest Element In A Sorted Matrix
1071
Find The Maximum Number Of Marked Indices
1072
League Statistics
1073
1 Bit And 2 Bit Characters
1074
Average Time Of Process Per Machine
1075
Design Authentication Manager
1076
Sum Of Absolute Differences In A Sorted Array
1077
Find The Shortest Superstring
1078
Count Substrings That Differ By One Character
1079
Removing Minimum And Maximum From Array
1080
Flatten Deeply Nested Array
1081
Couples Holding Hands
1082
The Latest Login In 2020
1083
Two Furthest Houses With Different Colors
1084
Maximum Candies Allocated To K Children
1085
Minimum Cost To Split An Array
1086
Minimum Jumps To Reach Home
1087
Department Top Three Salaries
1088
Design Linked List
1089
Find All Lonely Numbers In The Array
1090
Range Sum Of Sorted Subarray Sums
1091
Minimum Domino Rotations For Equal Row
1092
Count Number Of Teams
1093
Cherry Pickup
1094
Find The Smallest Divisor Given A Threshold
1095
The Dining Philosophers
1096
Bitwise And Of Numbers Range
1097
Biggest Single Number
1098
Match Substring After Replacement
1099
Replace Words
1100
Rle Iterator
1101
Recyclable And Low Fat Products
1102
Sum Of Subarray Ranges
1103
Design A Stack With Increment Operation
1104
My Calendar Iii
1105
3sum With Multiplicity
1106
Shortest Path To Get Food
1107
Two Best Non Overlapping Events
1108
Bulls And Cows
1109
Unique Length 3 Palindromic Subsequences
1110
Maximum Number Of Groups Entering A Competition
1111
Cutting Ribbons
1112
Find All Groups Of Farmland
1113
The Number Of Full Rounds You Have Played
1114
Get Watched Videos By Your Friends
1115
Partition Array According To Given Pivot
1116
Minimum Operations To Halve Array Sum
1117
Cut Off Trees For Golf Event
1118
Count Unique Characters Of All Substrings Of A Given String
1119
Minimum Operations To Make The Array Increasing
1120
Find Winner On A Tic Tac Toe Game
1121
Height Checker
1122
Remove Digit From Number To Maximize Result
1123
Kth Smallest Subarray Sum
1124
Replace All Digits With Characters
1125
Minimum Amount Of Time To Collect Garbage
1126
Maximum Number Of Coins You Can Get
1127
Minimum Absolute Sum Difference
1128
Count Good Meals
1129
Maximum Nesting Depth Of The Parentheses
1130
Find Nearest Point That Has The Same X Or Y Coordinate
1131
Longest Happy Prefix
1132
Maximum Number Of Vowels In A Substring Of Given Length
1133
Categorize Box According To Criteria
1134
Largest Substring Between Two Equal Characters
1135
Find Center Of Star Graph
1136
Top Travellers
1137
Longest Subarray With Maximum Bitwise And
1138
Detonate The Maximum Bombs
1139
Keyboard Row
1140
Maximize Number Of Subsequences In A String
1141
Minimum Moves To Make Array Complementary
1142
Reduce Array Size To The Half
1143
Number Of Students Unable To Eat Lunch
1144
Get Biggest Three Rhombus Sums In A Grid
1145
Find The Start And End Number Of Continuous Ranges
1146
Change Null Values In A Table To The Previous Value
1147
Stream Of Characters
1148
Construct String With Repeat Limit
1149
Binary Number With Alternating Bits
1150
Longest Substring Of All Vowels In Order
1151
Split A String In Balanced Strings
1152
Remove All Occurrences Of A Substring
1153
Maximum Level Sum Of A Binary Tree
1154
Left And Right Sum Differences
1155
Earliest Possible Day Of Full Bloom
1156
Count Vowel Strings In Ranges
1157
Last Moment Before All Ants Fall Out Of A Plank
1158
Check If Matrix Is X Matrix
1159
Find The K Beauty Of A Number
1160
Minimum Number Of Swaps To Make The Binary String Alternating
1161
Count Array Pairs Divisible By K
1162
Maximum Number Of Robots Within Budget
1163
Number Of Good Ways To Split A String
1164
All The Pairs With The Maximum Number Of Common Followers
1165
Minimum Lines To Represent A Line Chart
1166
Destination City
1167
All Divisions With The Highest Score Of A Binary Array
1168
Human Traffic Of Stadium
1169
String Matching In An Array
1170
Task Scheduler Ii
1171
Number Of Ways To Split A String
1172
Magnetic Force Between Two Balls
1173
Sellers With No Sales
1174
Smallest Sufficient Team
1175
Minimum Common Value
1176
Check If All Characters Have Equal Number Of Occurrences
1177
Minimum Adjacent Swaps To Make A Valid Array
1178
Design Add And Search Words Data Structure
1179
Maximum Earnings From Taxi
1180
Validate Binary Tree Nodes
1181
The Number Of The Smallest Unoccupied Chair
1182
Next Palindrome Using Same Digits
1183
Special Array With X Elements Greater Than Or Equal X
1184
Odd Even Jump
1185
Finding The Number Of Visible Mountains
1186
Design Bounded Blocking Queue
1187
Transpose File
1188
Bitwise Ors Of Subarrays
1189
Replace All S To Avoid Consecutive Repeating Characters
1190
Kth Largest Element In A Stream
1191
Network Delay Time
1192
Bricks Falling When Hit
1193
Delete Duplicate Folders In System
1194
Longest Uploaded Prefix
1195
Count The Number Of Consistent Strings
1196
Decrease Elements To Make Array Zigzag
1197
K Concatenation Maximum Sum
1198
Determine Whether Matrix Can Be Obtained By Rotation
1199
Number Of Music Playlists
1200
Maximum Students Taking Exam
1201
Strong Password Checker Ii