Problems

Title	Difficulty
Hello World	Trivial
A + B Problem	Trivial
Fibonacci Words	Hard
Takeover Wars	Hard
SCUD Busters	Easy
The Skyline Problem	Medium
Arbitrage	Easy
Peg Game	Easy
Stacking Boxes	Easy
Deficient, Perfect, and Abundant	Medium
The Blocks Problem	Easy
Adjoin the Networks	Medium
Pattern Generator	Medium
Divisibility by 11	Medium
Hero Power	Medium
Deceptive Directions	Medium
Marvelous Marathon	Medium
Knot Knowledge	Medium
Double Squares	Easy
When in Rome...	Medium
Saving the Universe	Easy
The 3n + 1 problem	Easy
Low Power	Hard
Studious Student	Easy
Ecological Bin Packing	Easy