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Topic Difficulty

Hard String OA Questions

Practice 90+ hard String coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

All String easy medium

String Alignment with Contiguous RemovalinfosysHard Run-length Encoding Compression ScoreinfosysHard String Alignment CostinfosysHard Maximum Consecutive Stock Transfersstanley shlHard

Lexicographically smallest balanced string

concertai

Hard

Construct Best StringbnyHard

Construct Best StringbnyHard

Node DisconnectionintuitHard

Question 3: Minimum Disorder EventsdeshawHard

Node DisconnectionintuitHard

DNA SequencingintuitHard

DNA SequencingintuitHard

Question 20ukgHard

Convert a string into another stringibmHard

Find the Levenshtein distancecohesityHard

Maximize Equal Parts in String Prefixesamazon 3marchHard

Salesforce Records ArchivalsalesforceHard

Palindrome Partitioning IIscalerHard

DNA SequencingamazonHard

DNA SequencingintuitHard

Word Search in a GridciscoHard

Problem D: Crash CoursesomethngHard

Beautiful stringsinfosysHard

Smallest MultipleintuitHard

Minimum Deletions for Exact Pattern CountmoveinsyncHard

Evaluating Circuit ExpressionszscalerHard

Longest Necklace ArrangementflipkartHard

DNA SequencingcashfreeHard

Palindromic Array TransformationdevrevHard

Distinct waysnetcoreHard

Develop a system that calculates usage fees for a storage service!money forwardHard

Maximum profitcapital oneHard

Strange PrinteramdocsHard

A Suffix Queries Problemcorridor platformsHard

Palindromic Subsequences of Length 5publicis sapientHard

Prefix OptimizationpradaqHard

Fifth Nearest PalindromewalmartHard

Rock Paper Scissorsmercer mettlHard

String Transformationnk securitiesHard

Task Completion SimulationgrowthjockeyHard

Cleaning housekompriseHard

Palindromic Subsequences of Length 5publicis sapientHard

Largest Magical StringnvidiaHard

Largest Magical Binary StringnvidiaHard

Count Strings with Specific Longest Common Subsequence LengthmyntraHard

Lexicographically Smallest Cleaned MessagehashedinHard

Capable Modelsquadeye 17sepHard

Balanced StringsukgHard

Retrieve DataamazonHard

Word Search in a 2D GridciscoHard

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Hard String OA Questions | OAHelper