Google Software Engineer(Internship) interview questions

They asked me two questions. The first was to, given a collection of objects, filter the permutations of the objects. The second was to write a function stating whether or not an input tree was a valid binary search tree.

I submitted my resume to google careers website and got an email weeks later to schedule two 1-hour interviews. The interviews went smoothly but as it is my first time I didn't know what to expect. I thought that I did good on both interviews but didn't receive an offer.