Round 2: Kiddie Pool

1502 correct small sets and 290 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (1352 sets)
Python (171 sets)
Java (169 sets)
C# (26 sets)
C (14 sets)
Haskell (13 sets)
Scala (8 sets)
OCaml (7 sets)
Ruby (7 sets)
Pascal (4 sets)
D (3 sets)
Go (3 sets)
JavaScript (3 sets)
MATLAB (3 sets)
Perl (2 sets)
Assembly (1 set)
Groovy (1 set)
Lua (1 set)
Visual Basic (1 set)

Submission Origin

China (345 contestants)
Russia (158 contestants)
Japan (124 contestants)
United States (108 contestants)
Taiwan (63 contestants)
Poland (52 contestants)
Ukraine (47 contestants)
South Korea (43 contestants)
India (42 contestants)
Canada (35 contestants)
Belarus (28 contestants)
Vietnam (24 contestants)
Brazil (22 contestants)
Australia (21 contestants)
France (20 contestants)
Iran (20 contestants)
Slovakia (20 contestants)
Germany (17 contestants)
Hong Kong (17 contestants)
Hungary (16 contestants)
Czech Republic (15 contestants)
Romania (14 contestants)
Thailand (14 contestants)
Indonesia (13 contestants)
Netherlands (12 contestants)
Singapore (11 contestants)
Spain (10 contestants)
United Kingdom (10 contestants)
Greece (9 contestants)
Bangladesh (8 contestants)
Bulgaria (8 contestants)
Croatia (8 contestants)
Finland (8 contestants)
Lithuania (8 contestants)
Turkey (8 contestants)
Georgia (7 contestants)
Israel (7 contestants)
Slovenia (7 contestants)
Sweden (7 contestants)
Argentina (6 contestants)
Belgium (6 contestants)
Italy (6 contestants)
Switzerland (6 contestants)
Latvia (5 contestants)
Peru (5 contestants)
Philippines (5 contestants)
Serbia (5 contestants)
South Africa (5 contestants)
Denmark (4 contestants)
Kazakhstan (4 contestants)
Mexico (4 contestants)
New Zealand (4 contestants)
Norway (4 contestants)
Colombia (3 contestants)
Egypt (3 contestants)
Kyrgyzstan (3 contestants)
Uzbekistan (3 contestants)
Armenia (2 contestants)
Portugal (2 contestants)
Sri Lanka (2 contestants)
Antarctica (1 contestant)
Cayman Islands (1 contestant)
Estonia (1 contestant)
Greenland (1 contestant)
Iceland (1 contestant)
Lebanon (1 contestant)
Macedonia (1 contestant)
Moldova (1 contestant)
Tajikistan (1 contestant)