Coding Topic
Array OA Questions
Practice 1443+ Array coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.
QuestionCompanyDifficulty
Synchronising the Guardians at Full StrengthsliceHardFewest Adjacent Swaps to a Peak ArrangementsliceMediumLeast Toll Time Across CheckpointssliceMediumRaising Every Reading to the PeakinfosysMediumPower-Assisted Selection on a Circular RinginfosysMediumBalanced Ledger TrioshsbcMediumLongest Opening Shared by Every WordeyEasyDual-Feature Model Coverage BudgetsvisaMediumDecrypting a Matrix by Alternating Row and Column Sortsbnp paribasMediumCount Closest Cross-Half PairsinfosysMediumMatrix Partitioning with Balanced AveragessusquehannaMediumCard Game Duel Round CountsusquehannaEasyMagical Pairs by a Single Digit SwapsusquehannaMediumMaximum-Length Palindromic Sales Listmorgan stanleyMediumBest Profit from Two Stock TradesveraxionHardMinimum Decrements for a Divisible Sumbeing infinityEasyCount Subarrays Matching a Comparison PatternsusquehannaMediumMinimum Moves to Seat Students ConsecutivelyjuspayMediumMinimum Rounds to Clear an Array by Pairs and TriplesvisaMediumLargest Gain From One Buy and One Later Sellrystad energyEasyLongest Streak of Equal Adjacent Valuesrystad energyEasyMinimum Straight Routes to Cover All Citiesmorgan stanleyHardAncestral Key CodesmicrosoftHardBest Pair of Nearby ServersmicrosoftMediumMaximum Rating Booksmorgan stanleyMediumAlien Handshake Signal SelectionnatwestMediumCandy Distribution Along the LineamazonHardTriple Sum Existsittiam systemsMediumCount Value Pairs With a Fixed Differencemorgan stanleyMediumAscending Prefix and Descending Suffixmorgan stanleyMediumPick Three, Keep the Mediangoldman sachsMediumFollowing a File Through the FATtcsEasyEarliest Time Everyone Is FreemicrosoftMediumPrime Running TotalaccentureMediumPlayer TrackingshlEasyRelay Towers on the RidgeblackrockMediumDatasetsoyoEasyAlternate Position Sortingmorgan stanleyEasySum of Pair DifferencesvisaMediumPoints Untouched by Expanding Circular FirestescoMediumMinimum Time for Virus to Infect All CellstescoMediumMinimum Cost to Water the GardentescoMediumSorted Extended Diagonalscapital oneMediumAssign Cookies with Matching ParityinfosysMediumRemove Duplicates from a Sorted Arrayget my parkingEasySmallest Elements by ParityinfosysEasyFour-Player Trick-Taking Card Game SimulationtescoMediumFaulty Street Lights After M DaysopentextMediumPrime Payroll DaysaccentureMediumMarbles In The JaraccentureMedium