Round 1A: The Killer Word

684 correct small sets and 181 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (592 sets)
Java (103 sets)
Python (75 sets)
C# (27 sets)
Pascal (15 sets)
Haskell (12 sets)
C (11 sets)
Ruby (11 sets)
OCaml (7 sets)
D (3 sets)
Clojure (2 sets)
F# (2 sets)
Perl (2 sets)
WRAPL (2 sets)
Visual Basic (1 set)

Submission Origin

China (177 contestants)
United States (81 contestants)
Japan (56 contestants)
Russia (54 contestants)
Brazil (30 contestants)
Taiwan (26 contestants)
Canada (22 contestants)
Poland (19 contestants)
Australia (15 contestants)
India (15 contestants)
Vietnam (13 contestants)
Ukraine (11 contestants)
Argentina (10 contestants)
Hong Kong (10 contestants)
France (9 contestants)
South Korea (9 contestants)
Belarus (8 contestants)
Hungary (8 contestants)
Germany (6 contestants)
Indonesia (6 contestants)
Israel (6 contestants)
New Zealand (6 contestants)
Thailand (6 contestants)
Romania (5 contestants)
Slovakia (5 contestants)
Spain (5 contestants)
Bangladesh (4 contestants)
Bulgaria (4 contestants)
Netherlands (4 contestants)
Peru (4 contestants)
Singapore (4 contestants)
Chile (3 contestants)
Finland (3 contestants)
Iran (3 contestants)
Kazakhstan (3 contestants)
Armenia (2 contestants)
Italy (2 contestants)
Mexico (2 contestants)
Serbia (2 contestants)
Sri Lanka (2 contestants)
Turkey (2 contestants)
Austria (1 contestant)
Bolivia (1 contestant)
Colombia (1 contestant)
Croatia (1 contestant)
Czech Republic (1 contestant)
Denmark (1 contestant)
Egypt (1 contestant)
Greece (1 contestant)
Ireland (1 contestant)
Kyrgyzstan (1 contestant)
Latvia (1 contestant)
Lebanon (1 contestant)
Macedonia (1 contestant)
Norway (1 contestant)
Pakistan (1 contestant)
Philippines (1 contestant)
Portugal (1 contestant)
Slovenia (1 contestant)
Sweden (1 contestant)
U.S. Virgin Islands (1 contestant)
United Kingdom (1 contestant)
Uzbekistan (1 contestant)