Applying to a big company for an internship isn't always fun!
Problem: How would you determine the column name (e.g. "AQ" or "BH") of the nth column in Excel? Solution can be found here.
Given a list of words and a single word I had to find out if that single word is an anagram with any of the words in the list and return those words that are anagrams in an array.
An Objective-C implementation of the bracket validation problem!