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Chicagotrading Interview Questions

The questions to prepare for Chicagotrading interviews, across all roles. Questions from real interview reports rank first. Updated daily.

50questions
~10htotal time
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1
CodingStart here. 24 questions · ~288 min
Min Deletion Cost No ConsecutivesMedium
Practice

Use a greedy scan to minimize deletion cost while removing consecutive equal characters from a Chicagotrading signal string.

string manipulationCChicagotrading
Smallest Missing Positive IntegerMedium
Practice

Find the smallest missing positive integer in O(n) time and O(1) extra space using in-place array placement.

ArraysProblem SolvingArray ManipulationCChicagotrading
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2
Technical Fundamentals3 questions · ~36 min
Dynamic vs Static LibrariesMedium

Assesses your understanding of linking, deployment tradeoffs, and runtime implications.

c++CChicagotrading
Locks and Atomic RMW ConceptsMedium

Tests concurrency fundamentals and ability to reason about correctness and performance.

memory managementc++concurrencyCChicagotrading
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3
Statistics & Probability8 questions · ~96 min
Expected Waiting Time With BusesMedium

Tests expected value reasoning for waiting-time problems under uniform distributions.

Expected ValueCChicagotrading
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4
Behavioral & Leadership11 questions · ~132 min
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5
More topics4 questions · ~48 min
Scheduling System in 24 HoursMedium

Tests your ability to design booking logic and constraints handling for time-window scheduling.

time managementSchedulingCChicagotrading
Environmental Change EffectsMedium

Evaluates your ability to model or interpret how external conditions influence outcomes.

CChicagotrading
Airport Ticketing With Priority QueueHard

Evaluates system design and data structure selection for efficient repeated cheapest-price queries.

priority queueCChicagotrading
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