Language Details: Swift
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Swift is a programming language for Cocoa and Cocoa Touch.
Official website (see also: Wikipedia article)
Problems solved
- Qualification Round (200 solutions by 52 contestants):
 - Counting Sheep: 45 small solutions, 46 large solutions.
 - Revenge of the Pancakes: 32 small solutions, 29 large solutions.
 - Coin Jam: 33 small solutions, 3 large solutions.
 - Fractiles: 7 small solutions, 5 large solutions.
 
- Round 1A (31 solutions by 15 contestants):
 - The Last Word: 15 small solutions, 12 large solutions.
 - Rank and File: 2 small solutions, 2 large solutions.
 
- Round 1B (22 solutions by 9 contestants):
 - Getting the Digits: 9 small solutions, 9 large solutions.
 - Close Match: 3 small solutions.
 - Technobabble: 1 small solution.
 
- Round 1C (19 solutions by 9 contestants):
 - Senate Evacuation: 9 small solutions, 7 large solutions.
 - Slides!: 1 small solution, 1 large solution.
 - Fashion Police: 1 small solution.
 
- Round 2 (4 solutions by 1 contestant):
 - Rather Perplexing Showdown: 1 small solution, 1 large solution.
 - Red Tape Committee: 1 small solution, 1 large solution.
 
Submission Origin
| United States (12 contestants) India (7 contestants) Japan (6 contestants) Ukraine (3 contestants) South Korea (3 contestants) Vietnam (2 contestants) Spain (2 contestants) Italy (2 contestants)  | France (2 contestants) Brazil (2 contestants) United Kingdom (1 contestant) Thailand (1 contestant) Taiwan (1 contestant) Russia (1 contestant) Poland (1 contestant) New Zealand (1 contestant)  | Mexico (1 contestant) Hungary (1 contestant) Germany (1 contestant) China (1 contestant) Canada (1 contestant) Cambodia (1 contestant) Australia (1 contestant) ? (1 contestant)  |