In a Computer Systems class, we had a project to debug and buffer-overflow a program written in x86 Assembly. There were 2 mandatory problems we had to figure out, but the teacher told us there were 6 in total that can be solved. Not only did I complete all 6 on the next day (the project was due 2 weeks from then), I also noticed something looked weird in the code, so I investigated and found a hidden 7th problem and solved that too. Only one in the class to do so, and the teacher said I was the best student in any of her classes this year.