Coding Topic

Prefix Sum OA Questions

Practice 336+ Prefix Sum 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 StrengthsliceHard Least Toll Time Across CheckpointssliceMedium Toll Nodes on Tree Pathsmorgan stanleyMedium Matrix Partitioning with Balanced AveragessusquehannaMedium Maximum-Length Palindromic Sales Listmorgan stanleyMedium Longest Rearrangeable Palindromic RunvisaMedium Sum of Pair DifferencesvisaMedium Prime Payroll DaysaccentureMedium Balanced ArraymoniepointEasy Minimum Compartments to Light in the SumoLand MetroopentextMedium Minimum Time To Implement All FeatureschubbMedium Hidden Benchmark ValuetescoMedium Maximum Game Board Scorejpmorgan chaseMedium Split the Array with a Per-Group Setup FeeinfosysMedium Longest Positive Prefix After Rearranging an ArraymicrosoftMedium Minimum Queue JumpskickdrumMedium Largest Square Side Length Whose Every Subgrid Stays Within a CapcmartMedium Lattice Points Within a Manhattan BudgetcredMedium Complex Subsequences From Range UpdatesgoogleHard Find Palindromes In A Rooted TreegoogleHard Sun CitymyntraMedium The Kingdom Gatekeepersphone peMedium Minimum Payload for a Dual Cache Warm-UporacleMedium Maximum Chocolates Eaten in a DayporterMedium Points Scored From Every Starting LevelmeeshoMedium Lazy ChefintuitMedium Count Subarrays With a Given Zero to One RatiointuitMedium Most Visited Sectors of a Circular TrackmicrosoftMedium Count Stable Server SegmentscitadelMedium Elders' Even-Divisor XOR SubarraysphonepeMedium Maximum Frequency After k Incrementsgoldman sachsMedium Minimal Cost of Cutting a Chain Into Three Piecesamerican expressMedium Mystic Lake Energy HarvestsigmoidMedium Minimum Cost for Skill QuotasvisaMedium Longest Equal Binary SubarrayvisaMedium Longest Balanced Binary Subarray After One FlipvisaMedium Roll StringmicrosoftMedium Minimum Time to Attend SchooloracleMedium Number of Valid PartitionslinkedinMedium Check if Strings Can Be Made Equal With Binary OperationsmathworksMedium Counting Valid Encryption KeysbnyMedium Twin Or Semiprime Successor PrimesmeeshoMedium XOR Over an Inclusive RangetitanEasy Minimum ChocolatesalgouniversityEasy Recycling TrucksamexMedium Minimum Cost to Select a SubarrayamazonMedium Odd Number of DivisorsdeshawMedium Minimum Moves to Non-Increasing ArraydeshawHard Count Task Complexity AssignmentsdeshawHard Ticket Queue ScoregoogleEasy