Union Find OA Questions

Practice 1+ Union Find coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

QuestionCompanyDifficulty

Toggle Operations to Complete the Drone NetworkmastercardMedium Grouping Nearby Stays Into Density ClustersairbnbMedium Closed Regions Carved Out by Straight StrokesadobeHard Fewest Edits for a Mirrored Repeating PasscodecognizantMedium Longest Unbroken Run of Server Tag NumberssquarepointEasy Wiring Every Station Back to the HubmeltwaterMedium Largest Two-Variety Bouquet in a Flower BedmeltwaterHard Fewest Bulk Relabels for a Mirror-Symmetric ShelfvisaMedium Top Floor Reachable With Two-Stop LiftsmarshMedium Fastest Steady Speed for a Courier RoundmarshMedium Accounts Flagged Through Shared IdentifiersairbnbMedium Depots Inside The Overloaded Districtscapital oneMedium Fewest OTP Attempts to Wake a Parked ScooteruberMedium Gatherings in a Wildlife Collar Ping LogpalantirMedium Resolving the Museum Accession RegistrypalantirMedium Keeping Clear of Gas Ventseternal (zomato)Medium Driving the Floor Robot to Its Target TileamazonMedium Cheapest Pipeline Grid for the Pump HouseswalmartMedium Maximum New Cables Under a Feed LimitedelweissMedium People Reached By A Rumour Through Overlapping GroupsinmobiMedium Count Good Houses in a Binary GridnatwestMedium Salary Rises to the Highest Unpaid AncestorsprinklrMedium Wipe One Desk Before the Worm WakeseternalMedium Reachable Corner in an Obstacle GridnatwestEasy Largest Two-Type Flower PatchcommonwealthMedium Maximum Groups for Bilateral Cab ZonesuberHard Counting Unbroken Blocks in Each Locker BankinfosysHard Count the Blocks of Ones in a Binary MatrixsamsungEasy Islands That Appear UnchangedpaceMedium Minimum Value Replacements to Make an Array a PalindromezomatoMedium Pairs Separated by Exactly One Special EdgehilabsHard Fewest Warehouses Cut Off From the HubmeeshoMedium Lexicographically Smallest String With Index SwapsmeeshoMedium Prime PairssprinklrHard Settlement Roadwork Linkup DaynokiaMedium Slip BucketsinmobiMedium Palindrome TransformationsquarepointMedium Paint Passes Needed to Cover a Picture GridcapgeminiMedium Stamped Code Mold FamiliesinmobiMedium Minimum Retained Cable WeighttrilogyHard Sign Flip Reconciliation QueriestrilogyHard Running Network Score After Each LinkukgMedium Assign Every Patient One Of Two Preferred SlotscitiMedium Reachable Nodes Above a Weight FloorcitadelMedium Server Cluster Link QueriessusquehannaMedium Circle Network Happinesssquadstack.aiMedium Cheapest Network Linking All Fulfillment StationsamazonMedium Two-Colour the GraphsamsungMedium Count Connected Components of a Bidirectional GraphvisaMedium Minimum Bottleneck Path With Derived Edge CostszeptoMedium