Problem 1 - Jill's Walks
Problem 2 - Circular Mazes
Problem 3 - Dice Game
Problem 4 - Describing Trees
Problem 5 - If I'd Known It Was A Race, I'd Have Gone Faster
Problem 6 - The Speckled Letter
Problem 7 - Cell-Phone Texting
Problem 8 - Edit Distance
Problem 9 - The Encoding
Several of the problem statements presented here have been amended to include clarifications issued during the contest.