PrepCode

Union Find

91 problems

Algorithms pattern questions across top companies

Timeframe:
Showing 91 questions
#128Longest Consecutive SequenceMediumarrayNeetCodeAdobeAmazonApple
#200Number of IslandsMediumarrayNeetCodeAMDAccentureAdobe
#261Graph Valid TreeMediumdepth first searchNeetCodeGoogleLinkedInMeta
#305Number of Islands IIHardarrayWalkCCCAmazonGoogleMeta
#323Number of Connected Components in an Undirected GraphMediumdepth first searchNeetCodeAmazonGeneral MotorsGoogle
#399Evaluate DivisionMediumarrayNeetCodeAmazonBloombergCitadel
#684Redundant ConnectionMediumdepth first searchNeetCodeAmazonBloombergBox
#694Number of Distinct IslandsMediumarrayWalkCCCAmazonAndurilAurora
#695Max Area of IslandMediumarrayNeetCodeAdobeAmazonApple
#721Accounts MergeMediumarrayNeetCodeAirbnbAmazonAnduril
#924Minimize Malware SpreadHardarrayWalkCCCAkuna CapitalAmazonBNY Mellon
#947Most Stones Removed with Same Row or ColumnMediumhash tableWalkCCCAmazonBloombergGoogle
#990Satisfiability of Equality EquationsMediumarrayWalkCCCAmazonGoogleMeta
#1258Synonymous SentencesMediumarrayWalkCCCCruiseMoveworksRippling
#1559Detect Cycles in 2D GridMediumarrayWalkCCCAmazonGoogleMeta
#1584Min Cost to Connect All PointsMediumarrayNeetCodeAmazonDirectiGoogle
#1722Minimize Hamming Distance After Swap OperationsMediumarrayWalkCCCBloombergGoogleSumo Logic
#2334Subarray With Elements Greater Than Varying ThresholdHardarrayWalkCCCGoogleinstabase
#2368Reachable Nodes With RestrictionsMediumarrayWalkCCCGoogleMakeMyTrip
#2617Minimum Number of Visited Cells in a GridHardarrayWalkCCCHuaweiWorldQuant
#1319Number of Operations to Make Network ConnectedMediumdepth first searchWalkCCCAkuna CapitalAmazonBloomberg
#2948Make Lexicographically Smallest Array by Swapping ElementsMediumarrayWalkCCCAmazonAtlassianBloomberg
#2157Groups of StringsHardarrayWalkCCCLowe's
#827Making A Large IslandHardarrayWalkCCCAirbnbAmazonAnduril
#1905Count Sub IslandsMediumarrayWalkCCCAmazonGoogleX
#3710Maximum Partition FactorHardarrayWalkCCCGameskraftGoogle
#547Number of ProvincesMediumdepth first searchWalkCCCAdobeAmazonBloomberg
#1391Check if There is a Valid Path in a GridMediumarrayWalkCCCGoogleRobinhoodSamsung
#928Minimize Malware Spread IIHardarrayWalkCCCDropboxVisa
#1101The Earliest Moment When Everyone Become FriendsMediumarrayWalkCCCExpediaGoogleUber
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