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170 problems

Data Structures pattern questions across top companies

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#20Valid ParenthesesEasystringNeetCodeAMDAccoliteAdobe
#32Longest Valid ParenthesesHardstringWalkCCCAccentureAmazonBloomberg
#42Trapping Rain WaterHardarrayNeetCodeAccentureAdobeAirbnb
#71Simplify PathMediumstringNeetCodeAmazonArista NetworksBloomberg
#150Evaluate Reverse Polish NotationMediumarrayNeetCodeAmazonAndurilApollo.io
#155Min StackMediumstackNeetCodeAMDAdobeAmazon
#224Basic CalculatorHardmathWalkCCCAdobeAmazonApple
#225Implement Stack using QueuesEasystackNeetCodeAmazonAppleBloomberg
#255Verify Preorder Sequence in Binary Search TreeMediumarrayWalkCCCExpediaSalesforceZenefits
#316Remove Duplicate LettersMediumstringWalkCCCAmazonBloombergByteDance
#341Flatten Nested List IteratorMediumstackWalkCCCAdobeAmazonApple
#364Nested List Weight Sum IIMediumstackWalkCCCGoogleLinkedInMeta
#394Decode StringMediumstringNeetCodeActivisionAgodaAmazon
#402Remove K DigitsMediumstringWalkCCCAccentureAdobeAmazon
#456132 PatternMediumarrayWalkCCCAmazonBloombergDoorDash
#488Zuma GameHardstringWalkCCCAmazonAuroraBaidu
#503Next Greater Element IIMediumarrayWalkCCCAmazonAppleBloomberg
#636Exclusive Time of FunctionsMediumarrayWalkCCCAmazonAppleAxon
#678Valid Parenthesis StringMediumstringNeetCodeAlibabaAmazonApple
#716Max StackHardlinked listWalkCCCAmazonGoogleLinkedIn
#726Number of AtomsHardhash tableWalkCCCAgodaAmazonDocusign
#735Asteroid CollisionMediumarrayNeetCodeAccoliteAmazonBloomberg
#736Parse Lisp ExpressionHardhash tableWalkCCCAffirmAppleAttentive
#769Max Chunks To Make SortedMediumarrayWalkCCCAmazonAppleBloomberg
#772Basic Calculator IIIHardmathWalkCCCAmazonAppleCoupang
#844Backspace String CompareEasytwo pointersNeetCodeAgodaAmazonBloomberg
#853Car FleetMediumarrayNeetCodeAmazonBNY MellonBloomberg
#880Decoded String at IndexMediumstringWalkCCCAmazonBloombergMeta
#1003Check If Word Is Valid After SubstitutionsMediumstringWalkCCCNutanix
#1047Remove All Adjacent Duplicates In StringEasystringWalkCCCAmazonAppleBloomberg
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