Coding Topic
Tree OA Questions
Practice 134+ Tree coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.
QuestionCompanyDifficulty
Which Scout Hears the Whistle NthcognizantMediumBest Class Total When Close Friends Get Different PapersmeltwaterHardSwitching On Substations Without InterferencenvidiaMediumReading Old Snapshots of a Branching Key-Value Storejane streetMediumStrongest Signal From a Walk Through the Server Treetower researchMediumOrder in Which Flagged Staff Leave a Reporting TreejuspayMediumSprint Plan With Prerequisite IssuesatlassianMediumWhich Queries See Unmasked SalariessnowflakeEasyTrail Routes That Never Turn BackmillenniumHardUpstream Stations Within Signal ReachmillenniumMediumDepth Spread of a Cave Survey TreesamsungMediumFlagging Unusual Sensor Readings With One Isolation TreepalantirEasyTotal Score of Two-Way Relay StationsmastercardEasySafety Bubbles Around Delivery DronesamazonMediumInherited Spending Limits on Company CardsstripeEasyRouting a Track Embedding Through a Hyperplane TreespotifyEasyBest Rated Route Between Two End Lamps of a Stage RignatwestHardSplits And Joins In A Tiered Tray RackmicrosoftHardNearest Shared Ancestor In A Cultivar LineagemicrosoftMediumStones That Finish In A Sell Bincapital oneMediumCounting the Blocks a Fingerprint Tree Asks ForadobeMediumOdd-Even Joints of a Hanging MobileflipkartMediumWorst Inspected Route in a Pipeline TreenvidiaHardSubsidiary Exposure Above a Stress Thresholdgoldman sachsMediumEffective Permission Mask Rolled Up a Role HierarchysalesforceMediumTwin Relay Spanalight solutionsMediumSubsidised Trail PermitsinmobiHardTrunk Latency Readings on a Re-rated Carrier NetworkjuspayMediumHeaviest Independent Picks in a Reporting TreeripplingMediumB-Tree Index Leaf Depth InvariantoracleMediumAlice and Bob Network Packet Transmission Gamesaccenture japanMediumLast Node of Each Complete Leveltexas instrumentsEasyMinimum Tree Height After K ReattachmentsharnessMediumMinimize Tree Height via Subtree ReattachmentspotnanaMediumNested Zone Permit AuctionmeltwaterMediumShortest Inspection Walk Through A Duct NetworkharnessMediumRelay Stations K Links ApartmedianetMediumCounting Triplets Of Tree Nodes With No Edge Among ThemeternalMediumTower Placements by Number of Active NodesharnessHardMaximum Special Nodes on a Simple PathnatwestMediumRoad With the Maximum Toll in a Tree of CitiesnatwestMediumSupport Escalation Triple Review Totalbooking holdingsHardGrouping Chat Messages Into Ordered ThreadscashfreeMediumProbability Of Standing On A Target Node At An Exact TimeinmobiHardMaximum Leaf to Leaf Path Product in Every SubtreenatwestHardMaximum Product Path in a TreenatwestHardMinimum Toll Tax for All Journeyss and pHardMinimum Walk Visiting Required Tree NodesspotnanaMediumSum of Distancesbny mellonHardDistributed Data Serversbny mellonMedium