Queues and Trade Tracking
An exchange keeps resting orders in a queue at each price, and strict rules decide who goes first. Optiver's assessment borrows those rules and sets them somewhere else, where some actions send you to the back of the line and others let you keep your spot.
The other two problems sit closer to the trading desk, and one may come up in a live round. Each keeps a little state keyed by id or by slot, and each has one rule that a quick version gets wrong.
Ties decide a lot of the hidden tests. Two events can land on the same step, and the statement says who wins each time. Read those lines before you start coding.
OptiverPremium lesson · Coding round
The 3 Optiver problems are below.
- A Premium questionCoding · Medium · Frequently asked
- A Premium questionCoding · Medium
- A Premium questionCoding · Easy
Each with hints, the follow-up and a tested solution.
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21 coding · 2 system design · 19 behavioral questions
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