21:Everything u need 2 know about pointers -Richard Buckland

(*but were afraid to ask)
Review of pointers and indirect addressing. pass by reference/pass by value. Passing arrays into functions.

3 neat things you can do with pointers:
1. pass by ref
2. dynamic data structures (to come)
3. ADTs in c (to come)

the exponential growth of doubling revisited.

magic trick where you are offered a choice - VS the importance of a good spec.

Starting to design a suduko solver. Mars bars from Hong Kong.