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DSA SheetCurated Coding Questions from Real OAs

A focused curated set of coding questions from real company online assessments.

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Showing 50 of 60 questions

42 questions locked ·

Q01
Easy25%

Generate Table of Contents

Visa_14feb
ArrayStringSimulation
Solve Now
Q02
Easy30%

Fix the Buggy Array Check

NAB_28nov
ArraySortingCounting
Solve Now
Q03
Medium35%

Robo Race

Amazon_14nov
MathNumber TheorySimulation
Solve Now
Q04
Medium40%

Minimum Cost Pizza Order

Deutsche Bank IIT Guwahati_12feb
ArraySortingGreedy+2
Solve Now
Q05
Medium45%

Louie and Pairs

Tavant_._
MathNumber TheoryEnumeration
Solve Now
Q06
Medium45%

Satellite Signal Boosters

Google The Big Code 2026
ArrayBinary SearchGreedy+1
Solve Now
Q07
Medium55%

Maximum Value of Minimum Difference

Salesforce
ArraySortingBinary Search+1
Solve Now
Q08
Medium60%

Maximize K for Skill Points

DevRev
ArrayBinary SearchGreedy+1
Solve Now
Q09Premium
Easy15%

Minimum Cost for Projects

IBM___.
ArrayHash TableGreedy
Q10Premium
Easy25%

Speed Bumps and Potholes

Accolite_15dec
ArraySimulation
Q11Premium
Easy25%

Student Scores Poster

Sanofi_15nov
ArraySortingSimulation
Q12Premium
Easy25%

Last Number from Completely Filled Levels

Moneyview
TreeBinary TreeArray+1
Q13Premium
Easy25%

Split Into Two

IBM_2oct_oncampus
ArrayPrefix Sum
Q14Premium
Easy25%

Logical Reasoning and Quantitative Aptitude Exam

Infosys_27oct
Q15Premium
Easy30%

Format the log strings of an unordered log

IBM sde
ArrayStringHash Table+1
Q16Premium
Easy30%

In-Memory Database

Crossover_2_Feb
Hash TableDesignString+2
Q17Premium
Easy30%

Math Challenge

Jupiter money
MathEnumerationNumber Theory
Q18Premium
Medium35%

Pixel Graph Eraser Tool

Apple
ArrayStringMatrix+4
Q19Premium
Medium35%

Visible Profiles Count

Microsoft_data_scientist_role
Union-FindGraph TheoryDepth-First Search+1
Q20Premium
Medium35%

Visiting Cities

Paytm_14_jan
ArrayDynamic Programming
Q21Premium
Medium35%

Queue: Sharing Bread

JK_Tech_13nov
GreedyHeap (Priority Queue)Array
Q22Premium
Medium35%

Total Response Time

Amazon_4_feb
ArrayHeap (Priority Queue)Sorting+1
Q23Premium
Medium35%

Maximize Money Earned from Spare Parts

Publicius sapienet_5nov
GreedyMathArray+1
Q24Premium
Medium35%

League Earnings

Confluent_6nov
SimulationMath
Q25Premium
Medium35%

Array Reduction Algorithm

Visa__...
ArraySimulation
Q26Premium
Medium40%

ENCONDIN - Run Length Encoding

Rahi Platform Technologies_3nov
StringSimulation
Q27Premium
Medium40%

Total Response Time with Throttling Mechanism

Amazon sde1 Off campus
ArrayHeap (Priority Queue)Simulation+1
Q28Premium
Medium40%

Symmetric Substring Partitioning

Hashedin_3nov
StringDynamic ProgrammingMemoization
Q29Premium
Medium45%

Minimum Cost to Reach Point n

Microsoft_21_jan
Dynamic ProgrammingMonotonic QueueSliding Window+2
Q30Premium
Medium45%

Weird Stock

Arcesium_19dec
MathGreedyBreadth-First Search
Q31Premium
Medium45%

Decode String

Zomato
StringStackRecursion
Q32Premium
Medium45%

Question 2

IBM application developer - cloud full stack_16march
StringHash TableSorting+2
Q33Premium
Medium45%

Help the Detective

Maq_13dec
StringHash TableGreedy+1
Q34Premium
Medium45%

The Game Show

Nucleus Fintech hackathon_12march
Dynamic ProgrammingMathCounting
Q35Premium
Medium45%

GPS For Autonomous Driving

Tavant_8_jan
MatrixBreadth-First SearchGraph Theory
Q36Premium
Medium45%

Question 3

Arista_27_Dec
StringGreedyTwo Pointers+1
Q37Premium
Medium50%

Ship Locks

Intuit_3march
ArrayMathSorting+2
Q38Premium
Medium55%

Binary palindromic numbers

TeraData
MathBit ManipulationBinary Search+1
Q39Premium
Medium55%

Minimum Moves to Distribute Stones

American_Express
MatrixBacktrackingRecursion+1
Q40Premium
Medium55%

Modified Knapsack

Hackereartth_2_Feb
Dynamic ProgrammingArrayHash Table
Q41Premium
Medium55%

Best Telescope Site

Rippling_14dec
Graph TheoryShortest PathHeap (Priority Queue)
Q42Premium
Medium55%

Neural Network Generations

Citadel_21dec
ArrayMathGreedy+1
Q43Premium
Medium55%

Minimum Energy

Gameskraft_17_dec
MatrixBreadth-First SearchShortest Path+1
Q44Premium
Medium60%

Optimize Reserved Concurrency

Amazon_4_feb
ArraySortingGreedy+1
Q45Premium
Medium60%

Log Analysis 2

Flexport_26nov
ArraySortingTwo Pointers+2
Q46Premium
Hard65%

Fixing a Request Redirection Bug

amazon_3march
ArrayHash TableSorting+3
Q47Premium
Hard70%

Minimum Sum

Adobe_13_dec
TreeGraph TheoryUnion-Find+2
Q48Premium
Hard75%

Palindromic Subsequences of Length 5

Publicis sapients SDE role
StringDynamic ProgrammingPrefix Sum+2
Q49Premium
Hard75%

Problem D: Crash Course

Somethng
StringGreedyGame Theory+1
Q50Premium
Hard75%

Alchemist's Array

Inmobi_4nov
ArrayHeap (Priority Queue)Math+2

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