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Quantitative Strategist Interview Questions

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Insert a new data point at the head of a singly linked circular list in constant time. Given a pointer to the current head of the circular list.

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Insert the new element after the current head, and then swap the new value with the current head.

For a singly linked circular list, assuming you have a pointer to the tail of the list (rather than the head) to make insertion at head and tail constant time, here's how to insert at the beginning (head) in constant time: temp = Node(val2BeInserted) temp.setNext(self.tail.getNext()) self.tail = temp (given the classes Node and SinglyLinkedCircularList) with (value,next=None) and (tail) attributes, respectively.

For a singly linked circular list, assuming you have a pointer to the tail of the list (rather than the head) to make insertion at head and tail constant time, here's how to insert at the beginning (head) in constant time: temp = Node(val2BeInserted) temp.setNext(self.tail.getNext()) self.tail = temp (given the classes Node and SinglyLinkedCircularList) with (value,next=None) and (tail) attributes, respectively.

A few poker game questions I didn't really anticipate.

1 Answer

Scenario questions, views on the current market, views on long-term and short-term forecasting etc.

A random walk inside some boundaries. Ask to calculate the probability as time goes to infinite. Not fully understand the question.

A lot of technical questions on stochastic calculus, linear algebra, computational methods. Nothing particularly unusual.

How would you measure the risk of an equity portfolio.

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Return the integer that corresponds to the minimum number of steps required to change X to a Fibonacci number.

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