Language Details: Ruby
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Problems solved
- Qualification Round (396 solutions by 122 contestants):
- Saving the Universe: 117 small solutions, 107 large solutions.
- Train Timetable: 88 small solutions, 74 large solutions.
- Fly Swatter: 8 small solutions, 2 large solutions.
- Round 1A (100 solutions by 44 contestants):
- Minimum Scalar Product: 43 small solutions, 43 large solutions.
- Milkshakes: 3 small solutions, 3 large solutions.
- Numbers: 7 small solutions, 1 large solution.
- Round 1B (53 solutions by 39 contestants):
- Crop Triangles: 38 small solutions, 7 large solutions.
- Number Sets: 4 small solutions.
- Mousetrap: 4 small solutions.
- Round 1C (95 solutions by 44 contestants):
- Text Messaging Outrage: 43 small solutions, 43 large solutions.
- Ugly Numbers: 3 small solutions.
- Increasing Speed Limits: 6 small solutions.
- Round 2 (55 solutions by 25 contestants):
- Cheating a Boolean Tree: 15 small solutions, 13 large solutions.
- Triangle Areas: 6 small solutions.
- Star Wars: 2 small solutions, 2 large solutions.
- PermRLE: 17 small solutions.
- Round 3 (10 solutions by 5 contestants):
- How Big Are the Pockets?: 3 small solutions, 3 large solutions.
- Endless Knight: 4 small solutions.
- APAC Semifinal (3 solutions by 1 contestant):
- Apocalypse Soon: 1 small solution, 1 large solution.
- Modern Art Plagiarism: 1 small solution.
Submission Origin
United States (34 contestants) Japan (16 contestants) Brazil (9 contestants) South Korea (6 contestants) Poland (6 contestants) United Kingdom (5 contestants) Russia (5 contestants) India (5 contestants) Taiwan (3 contestants) Spain (3 contestants) | Philippines (3 contestants) Germany (3 contestants) Colombia (3 contestants) Canada (3 contestants) Belgium (3 contestants) Belarus (3 contestants) Thailand (2 contestants) Sweden (2 contestants) Italy (2 contestants) France (2 contestants) | Austria (2 contestants) Venezuela (1 contestant) Ukraine (1 contestant) Switzerland (1 contestant) South Africa (1 contestant) Singapore (1 contestant) Peru (1 contestant) China (1 contestant) Australia (1 contestant) Argentina (1 contestant) |