PrepCode

Monotonic Stack

69 problems

Algorithms pattern questions across top companies

Timeframe:
Showing 69 questions
#42Trapping Rain WaterHardarrayNeetCodeAccentureAdobeAirbnb
#255Verify Preorder Sequence in Binary Search TreeMediumarrayWalkCCCExpediaSalesforceZenefits
#316Remove Duplicate LettersMediumstringWalkCCCAmazonBloombergByteDance
#402Remove K DigitsMediumstringWalkCCCAccentureAdobeAmazon
#456132 PatternMediumarrayWalkCCCAmazonBloombergDoorDash
#503Next Greater Element IIMediumarrayWalkCCCAmazonAppleBloomberg
#769Max Chunks To Make SortedMediumarrayWalkCCCAmazonAppleBloomberg
#853Car FleetMediumarrayNeetCodeAmazonBNY MellonBloomberg
#1063Number of Valid SubarraysHardarrayWalkCCCHulu
#1081Smallest Subsequence of Distinct CharactersMediumstringWalkCCCAmazonBloombergByteDance
#1475Final Prices With a Special Discount in a ShopEasyarrayWalkCCCAmazonBloombergDream11
#1574Shortest Subarray to be Removed to Make Array SortedMediumarrayWalkCCCAmazonBloombergGoldman Sachs
#2030Smallest K-Length Subsequence With Occurrences of a LetterHardstringWalkCCCDeutsche Bank
#2334Subarray With Elements Greater Than Varying ThresholdHardarrayWalkCCCGoogleinstabase
#2617Minimum Number of Visited Cells in a GridHardarrayWalkCCCHuaweiWorldQuant
#2866Beautiful Towers IIMediumarrayWalkCCCArcesiumExpediaMicrosoft
#3205Maximum Array Hopping Score IMediumarrayWalkCCCZluri
#3221Maximum Array Hopping Score IIMediumarrayWalkCCCZluri
#3816Lexicographically Smallest String After Deleting Duplicate CharactersHardhash tableWalkCCCMetaPaytm
#581Shortest Unsorted Continuous SubarrayMediumarrayWalkCCCAmazonBloombergDeloitte
#739Daily TemperaturesMediumarrayNeetCodeAgodaAmazonAnduril
#1130Minimum Cost Tree From Leaf ValuesMediumarrayWalkCCCGoogleMathWorks
#3878Count Good SubarraysHardarrayWalkCCCAmazonBNY MellonHarness
#907Sum of Subarray MinimumsMediumarrayWalkCCCAccentureAmazonAvito
#84Largest Rectangle in HistogramHardarrayNeetCodeAccentureAdobeAmazon
#496Next Greater Element IEasyarrayWalkCCCAccentureAgodaAmazon
#1762Buildings With an Ocean ViewMediumarrayWalkCCCAmazonAndurilGoogle
#85Maximal RectangleHardarrayWalkCCCAmazonBloombergDE Shaw
#1944Number of Visible People in a QueueHardarrayWalkCCCAmazonCitigroupExpedia
#962Maximum Width RampMediumarrayWalkCCCAmazonDE ShawGoogle
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