Pergunta de entrevista da empresa Optiver

Design a data structure/algorithm to keep track of instruments, stock exchanges, and trades which supports an addInstrument, addTrade and getAllTradesBetweenTimes(time1, time2) operation.

Respostas da entrevista

Sigiloso

17 de nov. de 2019

Do you have additional information? I was thinking there could be an overarching class called 'market', which has a vector of all trades, and a vector of all exchanges. Each function just modifies the arrays in some way(add, delete, etc.) and to get all trades between two times, we can just do a linear or binary search for the two times and return another vector of the trades. I am implementing all of this in C++. Is this the type of thing that is expected?

2

Sigiloso

17 de nov. de 2019

Are there any issues of concurrency or parallelization that arise in this scenario? It seems that's what they expect us to be challenged with, but I do not see any real issues here that can't be solved with just a few mutexes/

Sigiloso

22 de set. de 2019

Need for information. For example, what is the relation between instruments, stock exchanges, and trades?