A: Bumper-To-Bumper (Errata) - 58 teams solved it : solution
B: Delivering Goods - 0 teams solved it
C: Enemy (Errata) - 36 teams solved it : solution
D: File System (Errata) - 14 teams solved it : solution
E: FizzBuzz - 209 teams solved it : solution
F: FlowShop - 35 teams solved it : solution
G: Ghostly Collisions (Errata) - 28 teams solved it : solution
H: Corrupted Gradebook (Errata) - 15 teams solved it : solution
I: Intruder Alert (Errata) - 0 teams solved it
J: Knight's Tour (Errata) - 4 teams solved it : solution
K: Road Messages - 11 teams solved it : solution