TitleDifficultyCompaniesVideos
Uniformly Shuffle Linked List NodesHardapple
Construct Quad TreeMediumamazon apple google uber
Design Snake GameMediumamazon apple bloomberg facebook google salesforce uber zillow
Dutch National Flag DNFMediumamazon apple bloomberg ebay facebook google linkedin microsoft oracle paypal pocket-gems pure-storage uber vmware yahoo
Find K Pairs with Smallest SumsMediumamazon apple facebook google linkedin microsoft uber
Flatten 2D VectorMediumairbnb apple facebook google lyft salesforce twitter uber zenefits
Frog JumpHardamazon apple bytedance facebook google microsoft nutanix oracle snapchat
Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowedMediumadobe affirm amazon appdynamics apple bloomberg databricks facebook flipkart goldman-sachs google indeed linkedin microsoft oracle pinterest pocket-gems pure-storage quora salesforce twilio twitter two-sigma uber visa vmware yandex yelp
Insert Delete Search and GetRandom in Constant Time 2 - Duplicates allowedHardaffirm amazon apple databricks facebook google linkedin microsoft uber yelp
Integer BreakMediumadobe apple google
Logger Rate LimiterEasyamazon apple atlassian bloomberg google linkedin microsoft uber
Longest Increasing Path in a MatrixHardadobe amazon apple bloomberg bytedance facebook google microsoft snapchat uber
Maximum Frequency StackHardamazon apple bloomberg google microsoft salesforce uber
New 21 GameMediumapple google uber
Number of Digit OneHardamazon apple
Number of Music PlaylistsHardcoursera google twitter apple
Queue Reconstruction by HeightMediumamazon apple bloomberg bytedance facebook google microsoft
Random Pick with WeightMediumamazon apple atlassian doordash facebook google linkedin microsoft rubrik tripadvisor twitter two-sigma uber wish yelp
Reorder Data in Log FilesMediumamazon apple audible
Shuffle an ArrayMediumamazon apple bloomberg cisco facebook google linkedin microsoft salesforce tripadvisor two-sigma yahoo
Smallest Range Covering Elements from K ListsHardamazon apple facebook google lyft microsoft pinterest snapchat
Sort Array By ParityEasyamazon apple cisco facebook google microsoft oracle vmware
Walls and GatesMediumamazon apple bloomberg bytedance facebook google microsoft spotify uber
Collatz SequenceEasyapple
Decrypt XOR-Encoded Hexadecimal StringMediumapple
Find Largest Value in Each Tree RowMediumamazon apple facebook linkedin microsoft
Alien DictionaryHardairbnb amazon apple bloomberg cohesity doordash facebook flipkart google microsoft pinterest pocket-gems snapchat square twitter uber vmware
Delete in a Binary Search TreeMediumamazon apple bloomberg cisco facebook google linkedin microsoft oracle uber yahoo
Find K Closest ElementsMediumamazon apple bloomberg ebay facebook google microsoft snapchat uber
K closest Points to OriginMediumamazon apple asana ebay expedia facebook goldman-sachs google linkedin microsoft oracle paypal uber visa yahoo
Non-overlapping IntervalsMediumamazon apple bloomberg facebook google microsoft stripe
Pacific Atlantic Water FlowMediumamazon apple bloomberg facebook google microsoft oracle
Palindromic SubstringsMediumadobe amazon apple atlassian citadel coursera facebook goldman-sachs google linkedin mathworks microsoft pure-storage roblox twitter uber vmware
Power of ThreeEasyapple goldman-sachs google hulu
Sum of Two IntegersMediumamazon apple facebook google hulu
Task SchedulerMediumamazon apple bloomberg facebook google microsoft nutanix oracle pinterest uber vmware
Top K Frequent ElementsMediumamazon apple bloomberg bytedance ebay facebook goldman-sachs google hulu linkedin microsoft oracle pocket-gems snapchat spotify uber vmware yahoo yelp
Boundary of Binary TreeMediumadobe amazon apple audible ebay google microsoft oracle
Jewels and StonesEasyadobe amazon apple facebook google yahoo
Minimum Knight MovesMediumamazon apple facebook google indeed microsoft oracle
N-Repeated Element in Size 2N ArrayEasyakamai apple
Number of Distinct IslandsMediumamazon apple bloomberg facebook google lyft microsoft oracle uber
Online ElectionMediumapple google
Range Sum of BSTEasyamazon apple facebook google microsoft oracle
Shortest Distance to a CharacterEasyapple atlassian bloomberg facebook google
To Lower CaseEasyadobe apple google
Array NestingMediumapple bloomberg
Array PartitionEasyadobe amazon apple
Contiguous ArrayMediumadobe amazon apple facebook google microsoft quora robinhood vmware
Defanging an IP AddressEasyadobe amazon apple facebook google yahoo