PrepCode

Binary Search

313 problems

Algorithms pattern questions across top companies

Recommended Study Guide: Binary Search for Beginners: Patterns & Invariant Templates

Mastering loop invariants (low <= high vs low < high), midpoint calculations avoiding overflow, and lower-bound/upper-bound templates.

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Showing 313 questions
#4Median of Two Sorted ArraysHardarrayNeetCodeAccentureAdobeAmazon
#33Search in Rotated Sorted ArrayMediumarrayNeetCodeAdobeAmazonAnduril
#34Find First and Last Position of Element in Sorted ArrayMediumarrayWalkCCCAccentureAirtelAmazon
#162Find Peak ElementMediumarrayNeetCodeAccentureAdobeAkamai
#222Count Complete Tree NodesMediumbinary searchWalkCCCAdobeAmazonBloomberg
#300Longest Increasing SubsequenceMediumarrayNeetCodeAccentureAgodaAmazon
#349Intersection of Two ArraysEasyarrayWalkCCCAccentureAmazonApple
#362Design Hit CounterMediumarrayWalkCCCAffirmAmazonApple
#410Split Array Largest SumHardarrayNeetCodeAmazonAppleBaidu
#441Arranging CoinsEasymathWalkCCCAmazonBloombergGoDaddy
#456132 PatternMediumarrayWalkCCCAmazonBloombergDoorDash
#528Random Pick with WeightMediumarrayWalkCCCAmazonAppleBloomberg
#658Find K Closest ElementsMediumarrayNeetCodeAmazonAppleBloomberg
#713Subarray Product Less Than KMediumarrayNeetCodeAgodaAirbnbAmazon
#786K-th Smallest Prime FractionMediumarrayWalkCCCPony.ai
#862Shortest Subarray with Sum at Least KHardarrayWalkCCCAmazonBloombergDevRev
#875Koko Eating BananasMediumarrayNeetCodeAccentureAdobeAgoda
#981Time Based Key-Value StoreMediumhash tableNeetCodeAmazonAndurilApple
#1004Max Consecutive Ones IIIMediumarrayWalkCCCAdobeAmazonBloomberg
#1011Capacity To Ship Packages Within D DaysMediumarrayNeetCodeAgodaAmazonApollo.io
#1027Longest Arithmetic SubsequenceMediumarrayWalkCCCAmazonBloombergGoogle
#1055Shortest Way to Form StringMediumtwo pointersWalkCCCGooglePinterest
#1146Snapshot ArrayMediumarrayWalkCCCAmazonAppleAurora
#1157Online Majority Element In SubarrayHardarrayWalkCCCNutanix
#1235Maximum Profit in Job SchedulingHardarrayWalkCCCAirbnbAmazonBloomberg
#1268Search Suggestions SystemMediumarrayWalkCCCAmazonAndurilBloomberg
#1283Find the Smallest Divisor Given a ThresholdMediumarrayWalkCCCAgodaAmazonBloomberg
#1574Shortest Subarray to be Removed to Make Array SortedMediumarrayWalkCCCAmazonBloombergGoldman Sachs
#1648Sell Diminishing-Valued Colored BallsMediumarrayWalkCCCAmazonGoldman SachsGroupon
#1751Maximum Number of Events That Can Be Attended IIHardarrayWalkCCCAmazonBloombergGoogle
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