• 2009 Contest ↓
  • Qualification Round
  • Round 1A
  • Round 1B
  • Round 1C
  • Round 2
  • Round 3
  • World Final
• Find Solutions
• Countries
• World Final

Language Details: Ruby

Qualification Round

Used in 601 solutions by 197 contestants:

• Alien Language: 183 small solutions, 147 large solutions.
• Watersheds: 87 small solutions, 65 large solutions.
• Welcome to Code Jam: 83 small solutions, 36 large solutions.

Round 1A

Used in 44 solutions by 42 contestants:

• Multi-base happiness: 42 small solutions.
• Collecting Cards: 1 small solution, 1 large solution.

Round 1B

Used in 104 solutions by 45 contestants:

• Decision Tree: 29 small solutions, 27 large solutions.
• The Next Number: 30 small solutions, 17 large solutions.
• Square Math: 1 small solution.

Round 1C

Used in 117 solutions by 46 contestants:

• All Your Base: 43 small solutions, 30 large solutions.
• Center of Mass: 15 small solutions, 15 large solutions.
• Bribe the Prisoners: 13 small solutions, 1 large solution.

Round 2

Used in 37 solutions by 18 contestants:

• Crazy Rows: 16 small solutions, 13 large solutions.
• Stock Charts: 1 small solution.
• Watering Plants: 7 small solutions.

Submission Origin