Highest Product of 3 (Practice Interview Question)

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Given an array of integers, find the highest product you can get from three of the integers.

The input array_of_ints will always have at least three integers.

Does your method work with negative numbers? If array_of_ints is [-10, -10, 1, 3, 2] we should return 300 (which we get by taking -10 * -10 * 3).

We can do this in time and space.

Actually, we don't support password-based login. Never have. Just the OAuth methods above. Why?

It's easy and quick. No "reset password" flow. No password to forget.
It lets us avoid storing passwords that hackers could access and use to try to log into our users' email or bank accounts.
It makes it harder for one person to share a paid Interview Cake account with multiple people.

Actually, we don't support password-based login. Never have. Just the OAuth methods above. Why?

It's easy and quick. No "reset password" flow. No password to forget.
It lets us avoid storing passwords that hackers could access and use to try to log into our users' email or bank accounts.
It makes it harder for one person to share a paid Interview Cake account with multiple people.

time and additional space.

What if we wanted the highest product of 4 items?
What if we wanted the highest product of k items?
If our highest product is really big, it could overflow. How should we protect against this?

Actually, we don't support password-based login. Never have. Just the OAuth methods above. Why?

It's easy and quick. No "reset password" flow. No password to forget.
It lets us avoid storing passwords that hackers could access and use to try to log into our users' email or bank accounts.
It makes it harder for one person to share a paid Interview Cake account with multiple people.