PrepCode

Two Pointers

229 problems

Techniques pattern questions across top companies

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Showing 229 questions
#5Longest Palindromic SubstringMediumtwo pointersNeetCodeAccentureAccoliteAdobe
#11Container With Most WaterMediumarrayNeetCodeAccentureAccoliteAdobe
#153SumMediumarrayNeetCodeAMDAccentureAdobe
#163Sum ClosestMediumarrayNeetCodeAmazonBloombergByteDance
#26Remove Duplicates from Sorted ArrayEasyarrayNeetCodeAccentureAmazonApple
#28Find the Index of the First Occurrence in a StringEasytwo pointersWalkCCCAmazonAppleBloomberg
#31Next PermutationMediumarrayWalkCCCAccentureAdobeAirtel
#42Trapping Rain WaterHardarrayNeetCodeAccentureAdobeAirbnb
#61Rotate ListMediumlinked listNeetCodeAirwallexAmazonBloomberg
#75Sort ColorsMediumarrayNeetCodeAdobeAgodaAmazon
#80Remove Duplicates from Sorted Array IIMediumarrayWalkCCCAccoliteAmazonBloomberg
#88Merge Sorted ArrayEasyarrayNeetCodeAMDAccentureAmazon
#125Valid PalindromeEasytwo pointersNeetCodeAccentureAdobeAltimetrik
#141Linked List CycleEasyhash tableNeetCodeAmazonAutodeskBloomberg
#151Reverse Words in a StringMediumtwo pointersWalkCCCAccentureAmazonApple
#189Rotate ArrayMediumarrayNeetCodeAccentureAmazonAmerican Express
#202Happy NumberEasyhash tableNeetCodeAccentureAgodaAirbnb
#251Flatten 2D VectorMediumarrayWalkCCCAirbnbGoogleX
#253Meeting Rooms IIMediumarrayNeetCodeAmazonAndurilApple
#277Find the CelebrityMediumtwo pointersWalkCCCAmazonAppleGoogle
#283Move ZeroesEasyarrayNeetCodeAMDAccentureAdobe
#295Find Median from Data StreamHardtwo pointersNeetCodeAdobeAmazonAnduril
#344Reverse StringEasytwo pointersNeetCodeAccentureAmazonApple
#349Intersection of Two ArraysEasyarrayWalkCCCAccentureAmazonApple
#443String CompressionMediumtwo pointersWalkCCCAccentureAffirmAmazon
#567Permutation in StringMediumhash tableNeetCodeAdobeAmazonApple
#647Palindromic SubstringsMediumtwo pointersNeetCodeAkamaiAmazonAnduril
#658Find K Closest ElementsMediumarrayNeetCodeAmazonAppleBloomberg
#680Valid Palindrome IIEasytwo pointersNeetCodeAmazonAppleAttentive
#696Count Binary SubstringsEasytwo pointersWalkCCCAmazonBloombergDE Shaw
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