PhantomCodeAIPhantomCodeAI
FeaturesMock InterviewDashboardJobsPricing
FeaturesMock InterviewDashboardJobsPricing
PhantomCodeAIPhantomCodeAI
FeaturesMock InterviewDashboardJobsPricing
FeaturesMock InterviewDashboardJobsPricing
HomeLeetCode ProblemsBinary Indexed Tree

Binary Indexed Tree Problems

33 Binary Indexed Tree LeetCode problems · Solve with AI-powered hints & step-by-step explanations.

218The Skyline ProblemHard307Range Sum Query - MutableMedium315Count of Smaller Numbers After SelfHard327Count of Range SumHard406Queue Reconstruction by HeightMedium493Reverse PairsHard673Number of Longest Increasing SubsequenceMedium1157Online Majority Element In SubarrayHard1395Count Number of TeamsMedium1409Queries on a Permutation With KeyMedium1505Minimum Possible Integer After at Most K Adjacent Swaps On DigitsHard1649Create Sorted Array through InstructionsHard1964Find the Longest Valid Obstacle Course at Each PositionHard2179Count Good Triplets in an ArrayHard2193Minimum Number of Moves to Make PalindromeHard2250Count Number of Rectangles Containing Each PointMedium2286Booking Concert Tickets in GroupsHard2407Longest Increasing Subsequence IIHard2424Longest Uploaded PrefixMedium2426Number of Pairs Satisfying InequalityHard2552Count Increasing QuadrupletsHard2659Make Array EmptyHard2736Maximum Sum QueriesHard2916Subarrays Distinct Element Sum of Squares IIHard2926Maximum Balanced Subsequence SumHard2940Find Building Where Alice and Bob Can MeetHard3072Distribute Elements Into Two Arrays IIHard3161Block Placement QueriesHard3187Peaks in ArrayHard3245Alternating Groups IIIHard3380Maximum Area Rectangle With Point Constraints IMedium3382Maximum Area Rectangle With Point Constraints IIHard3515Shortest Path in a Weighted TreeHard
← Browse all LeetCode problems
PhantomCodeAIPhantomCodeAI
PhantomCodeAI is an undetectable desktop application to help you pass your Leetcode interviews.
All systems online
Download

Legal

Refund PolicyTerms of ServiceCancellation PolicyPrivacy Policy

Pages

Contact SupportHelp CenterInstant SupportFAQBlogFeaturesInterview CopilotCoding CopilotInterview QuestionsPricingMock Interview PricingEarn with UsBest AI Interview Assistants 2026FeedbackLeetcode ProblemsLoginCreate Account

Compare

All 29 comparisons →Why switch (29 alternatives) →Interview Coder AlternativeFinal Round AI AlternativeUltraCode AI AlternativeParakeet AI AlternativeAI Apply AlternativeCoderRank AlternativeInterviewing.io AlternativeShadeCoder Alternative

Resources

Salary GuideResume TemplatesWhat Is PhantomCodeAIIs PhantomCodeAI Detectable?Use PhantomCodeAI in HackerRankvs LeetCode PremiumFor European EngineersFor FAANG Interview PrepPost-Layoff ComebackIndia Pricing (INR)

Interview Types

Coding InterviewSystem Design InterviewDSA InterviewLeetCode InterviewAlgorithms InterviewData Structure InterviewSQL InterviewOnline Assessment

Interview Questions

See all →
GoogleAmazonMetaMicrosoftAppleNetflixStripeUberAirbnbBloombergSoftware EngineerFrontend EngineerBackend EngineerData EngineerML EngineerDevOps EngineerData ScientistEngineering ManagerBehavioralSystem Design

Mock Interview by Round Type

All formats →
Mock Interview HubMock Coding InterviewMock Behavioral InterviewMock System Design

AI for Industry Interviews

All industries →
Sales InterviewsPM InterviewsFinance InterviewsConsulting InterviewsDesign Interviews

Coding Interview Patterns

See all patterns →
Coding Interviews HubDynamic ProgrammingTwo Pointers + Sliding WindowGraph AlgorithmsTree AlgorithmsBinary Search

Interview Guides

See all guides →
How to Ace an InterviewHow to Crack InterviewsBest Interview AnswersScreening Interview QuestionsTelephone Interview TipsWorking Interview ExplainedCracking the PM InterviewFAANG 30-Day RoadmapTop 10 LeetCode PatternsSystem Design Prep GuideSTAR Behavioral MethodBehavioral Interview Qs

Alternatives — why engineers switch

See all 29 →
Interview CoderFinal Round AIParakeet AILockedIn AIUltraCode AIShadeCoderSensei AIVerve AICluelyChatGPTBeyz AIInterview SidekickYoodliAlgoMonsterCoderRankExponentFormationInterviewing.ioInterview CakeBig InterviewInterview KickstartPrampScalerAI ApplyCareerflowJobscanKickresumeTeal HQHireVue

AI Interview Tools

AI Interview AssistantAI Interview CoachAI for Job InterviewsAI Interview Preparation ToolReal-Time AI Interview AnswersInterview AI HelperReal-Time AI Interview AssistantAI Interview BotBest AI Interview Tools 2026AI Interview QuestionsPractice Interview QuestionsAI to Answer Interview QuestionsAI Phone Interview HelpAI Interviewing SoftwareAI Interview HubInterview CopilotAI Coding Interview AssistantMock Interview

© 2026 PhantomCodeAI. All rights reserved.