Language Details: Haskell
- Qualification Round
- Used in 240 solutions by 61 contestants:
- Alien Language: 57 small solutions, 54 large solutions.
- Watersheds: 32 small solutions, 29 large solutions.
- Welcome to Code Jam: 46 small solutions, 22 large solutions.
- Round 1A
- Used in 19 solutions by 14 contestants:
- Multi-base happiness: 13 small solutions.
- Crossing the Road: 2 small solutions, 1 large solution.
- Collecting Cards: 3 small solutions.
- Round 1B
- Used in 82 solutions by 28 contestants:
- Decision Tree: 22 small solutions, 21 large solutions.
- The Next Number: 21 small solutions, 16 large solutions.
- Square Math: 2 small solutions.
- Round 1C
- Used in 24 solutions by 13 contestants:
- All Your Base: 12 small solutions, 5 large solutions.
- Center of Mass: 1 small solution, 1 large solution.
- Bribe the Prisoners: 5 small solutions.
- Round 2
- Used in 48 solutions by 19 contestants:
- Crazy Rows: 18 small solutions, 18 large solutions.
- A Digging Problem: 3 small solutions.
- Stock Charts: 4 small solutions.
- Watering Plants: 5 small solutions.
Submission Origin
| United States (12 contestants) Japan (9 contestants) Australia (5 contestants) Germany (4 contestants) Russia (4 contestants) United Kingdom (4 contestants) China (3 contestants) India (3 contestants) | Sweden (3 contestants) Austria (2 contestants) Brazil (2 contestants) Canada (2 contestants) Poland (2 contestants) Spain (2 contestants) Ukraine (2 contestants) Czech Republic (1 contestant) | France (1 contestant) Hungary (1 contestant) Israel (1 contestant) Netherlands (1 contestant) Romania (1 contestant) South Africa (1 contestant) Taiwan (1 contestant) |