PrepCode

Randomized

12 problems

Algorithms pattern questions across top companies

Timeframe:
Showing 12 questions
#380Insert Delete GetRandom O(1)MediumarrayWalkCCCAffirmAmazonApple
#381Insert Delete GetRandom O(1) - Duplicates allowedHardarrayWalkCCCAffirmAmazonBloomberg
#528Random Pick with WeightMediumarrayWalkCCCAmazonAppleBloomberg
#1515Best Position for a Service CentreHardarrayWalkCCCCitadel
#384Shuffle an ArrayMediumarrayWalkCCCAmazonGoldman SachsGoogle
#398Random Pick IndexMediumhash tableWalkCCCAmazonGoogleMeta
#710Random Pick with BlacklistHardarrayWalkCCCGoogleUber
#470Implement Rand10() Using Rand7()MediummathWalkCCCAmazonGoogleLinkedIn
#382Linked List Random NodeMediumlinked listWalkCCCAmazonGoogleNvidia
#497Random Point in Non-overlapping RectanglesMediumarrayWalkCCCGoogleUber
#519Random Flip MatrixMediumhash tableWalkCCCGoogle
#478Generate Random Point in a CircleMediummathWalkCCCMeta