I applied through their site, which was quite surprising, as I received an email from the recruiter.

I have only gone through the phone interview so far and haven't heard back yet.

It's been a little less than a week, and I am pending the next round of phone interviews, hence no offer at this time.

Write a function to determine if a given list is a subset of the library list. Discuss space and time complexity when the library list is too huge to fit into memory.

Write a function to check if a given string has balanced parentheses, brackets, and curly braces. This is essentially the problem described at http://www.geeksforgeeks.org/check-for-balanced-parentheses-in-an-expression/