Tower Research Capital LLC Interview Questions & Reviews

What are the casts in C++

what are virtual functions?

what is const

I got a few C++ questions, then a question on sorting algorithms then a brainteaser. The brainteaser went as follows: Three people are given hats. Each hat is either red or blue, chosen at random. Each person can see the other 2 hats, but not their own. They each must simultaneously either guess their own hat's color, or pass. No communication is allowed, although they can agree on a strategy ahead of time. What strategy will give them the best chances of at least one person guessing right, and nobody guessing wrong?

Expected number of coin tosses to get heads/heads.

There are 10 red, 11 blue, 12 green chameleons. Sometimes, two chameleons meet. If they are the same color, nothing happens. If they are different colors, they will both change to the third color. Can all chameleons ever be the same color?

There are 25 horses. You get to race them 5 at a time, determining relative ranking. How many races does it take to figure out the top 3?

reverse, shift a string.

The 25 horse racing problem.

If a domain controller fails and cannot be recovered, what steps and command will you use to recover to ensure integrity of Active Directory.

Given 1000 bottles of wine, 1 has poison, how many rats would it take to find the poison if you only get one timestep. I.E. You can only run your experiment once and check the rats once.