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4301 problems total

Array (1905)Sorting (440)Depth First Search (316)Database (301)Breadth First Search (241)Tree (240)Stack (172)Graph Theory (169)Linked List (81)Monotonic Stack (67)Queue (50)Recursion (48)Shortest Path (33)
All Topics(4301)Algorithms(3944)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)

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TitleDifficultyVideosCompanies
IP to CIDRmedium-
airbnb
Open the Lockmedium-
amazonbloombergfacebook
Cracking the Safehard-
google
Reach a Numbermedium-
inmobiflipkart
Pour Watermedium-
airbnbrobinhood
Pyramid Transition Matrixmedium-
airbnbamazongoogle
Set Intersection Size At Least Twohard-
drawbridgeuber
Employee Free Timehard-
airbnbamazonbloomberg
Find Anagram Mappingseasy-
google
Special Binary Stringhard-
citrixcourseraquip
Prime Number of Set Bits in Binary Representationeasy-
amazon
Partition Labelsmedium-
amazonapplefacebook
Largest Plus Signmedium-
facebookgoogle
Couples Holding Handshard-
amazongooglespotify
Toeplitz Matrixeasy-
applefacebookgoogle
Reorganize Stringmedium-
amazonappleebay
Max Chunks To Make Sorted 2hard-
googlemicrosoft
Max Chunks to Make Sortedmedium
googlemicrosoftuber
Basic Calculator 4hard-
amazongoogleindeed
Jewels and Stoneseasy-
adobeamazonapple
Basic Calculator 3hard-
amazonapplebytedance
Sliding Puzzlehard-
airbnbamazonfacebook
Minimize Max Distance to Gas Stationhard-
google
Global and Local Inversionsmedium-
amazon
Split BSTmedium-
amazoncoupangfacebook
Swap Adjacent in LR Stringmedium-
bytedancegoogle
Swim in Rising Waterhard-
facebookgoogle
K-th Symbol in Grammarmedium-
amazongoogle
Reaching Pointshard-
courseragoldman-sachsgoogle
Rabbits in Forestmedium-
wish
Transform to Chessboardhard-
google
Letter Case Permutationmedium-
amazonbloombergfacebook
Is Graph Bipartitemedium-
amazondropboxebay
K-th Smallest Prime Fractionmedium
ponyai
Cheapest Flights Within K Stops Problemmedium-
airbnbamazonbloomberg
Rotated Digitsmedium-
facebookgooglemicrosoft
Escape The Ghostsmedium-
google
Domino and Tromino Tilingmedium-
googlewayfair
Custom Sort Stringmedium-
amazonfacebookgoogle
Number of Matching Subsequencesmedium-
amazonfacebookgoogle
Preimage Size of Factorial Zeroes Functionhard-
adobe
Valid Tic-Tac-Toe Statemedium-
amazonfacebookgoogle
Number of Subarrays with Bounded Maximummedium-
adobe
Rotate Stringeasy-
amazonappleebay
All Paths from Source to Targetmedium-
amazonbloomberg
Smallest Rotation with Highest Scorehard-
Champagne Towermedium-
google
Similar RGB Coloreasy-
google
Minimum Swaps To Make Sequences Increasinghard-
amazonfacebookgoogle
Find Eventual Safe Statesmedium-
google
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