
Citadel Quant Interview Questions
In this article, we will explore some commonly asked Citadel quant interview questions, solve them step-by-step, and discuss the key concepts involved. We will also touch upon related questions from other leading firms such as Qube Research & Technologies and Da Vinci Derivatives, giving you a comprehensive guide to ace your next quant interview.
Given an array of integers, write code to find three numbers such that their product is the maximum possible. This is a common question in technical interviews for quantitative roles at Citadel and similar firms.
To find the maximum product of any three numbers in an array, you must account for both positive and negative numbers. Since the product of two negative numbers is positive, the maximum product can be obtained from: