Financial modeler interview questions shared by candidates
Easiest question (I forgot all the harder ones). Implement mergesort and provide the running time if you have access to k computers (distributed computing)
split n number to k groups and sort each group of n/k number on one of the k machines: O((n/k)*log(n/k)) For the k groups, merge them pair by pair, i. e. merge every two groups and end up with k/2 groups, repeat and end up with k/4 groups, so on and so forth: O((n/k) * log(n/k)) So over all O((n/k)log(n/k)).
Write a function to calculate e^x, need to convert e^x to 1 + x + x2/2! + x3/3! + x4/4! + x5/5! + x6/6! + x7/7! + x8/8! + x9/9! + x10/10! + x11/11!+ ...
1. Why do you think you're a good fit for BlackRock and why did you apply to the specific division? 2. Why did you choose your academic area of study and how do you believe it will help you in your future career?
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