CSC151 2010S, Class 48: Insertion Sort

Overview:
* Expressing sorting algorithms in code.
* Key technique: Insertion.
* Analyzing insertion sort.

Admin:
* Reading for Monday: Merge Sort.
* Exam 3 is now ready for public consumption, with an all-new grading scheme.
* Professor Weinman will be running class today.
* EC for today's cool lunchtime talk!
* EC for Saturday's Field Day, provided you're not in Dag.