Round 2: Airport Walkways

2130 correct small sets and 2075 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (2979 sets)
Java (506 sets)
Python (313 sets)
C# (144 sets)
C (65 sets)
Pascal (59 sets)
Ruby (38 sets)
Perl (24 sets)
Haskell (20 sets)
OCaml (10 sets)
Clojure (6 sets)
Lua (6 sets)
PHP (6 sets)
D (4 sets)
JavaScript (4 sets)
Scala (4 sets)
F# (2 sets)
Go (2 sets)
Lisp (2 sets)
MATLAB (2 sets)
R (2 sets)
Visual Basic (2 sets)
WRAPL (2 sets)

Submission Origin

China (542 contestants)
Russia (274 contestants)
Japan (141 contestants)
United States (130 contestants)
Ukraine (91 contestants)
Poland (78 contestants)
India (63 contestants)
Taiwan (58 contestants)
Brazil (51 contestants)
South Korea (41 contestants)
Belarus (38 contestants)
Canada (35 contestants)
Australia (34 contestants)
Hong Kong (29 contestants)
Vietnam (27 contestants)
Slovakia (26 contestants)
France (24 contestants)
Germany (22 contestants)
Hungary (22 contestants)
Indonesia (22 contestants)
Romania (21 contestants)
Bulgaria (20 contestants)
United Kingdom (20 contestants)
Argentina (18 contestants)
Thailand (18 contestants)
Bangladesh (16 contestants)
South Africa (14 contestants)
Israel (13 contestants)
Netherlands (13 contestants)
Czech Republic (11 contestants)
Iran (11 contestants)
Lithuania (11 contestants)
Croatia (10 contestants)
Latvia (10 contestants)
Mexico (10 contestants)
Serbia (10 contestants)
Spain (10 contestants)
Sweden (10 contestants)
Georgia (9 contestants)
Kazakhstan (9 contestants)
Armenia (7 contestants)
New Zealand (7 contestants)
Peru (7 contestants)
Slovenia (7 contestants)
Egypt (6 contestants)
Singapore (6 contestants)
Switzerland (6 contestants)
Italy (5 contestants)
Colombia (4 contestants)
Finland (4 contestants)
Greece (4 contestants)
Kyrgyzstan (4 contestants)
Moldova (4 contestants)
Portugal (4 contestants)
Turkey (4 contestants)
Austria (3 contestants)
Ireland (3 contestants)
Norway (3 contestants)
Philippines (3 contestants)
Bosnia and Herzegovina (2 contestants)
Denmark (2 contestants)
Estonia (2 contestants)
Lebanon (2 contestants)
Macedonia (2 contestants)
Sri Lanka (2 contestants)
Uzbekistan (2 contestants)
Belgium (1 contestant)
Bolivia (1 contestant)
Chile (1 contestant)
Djibouti (1 contestant)
Ghana (1 contestant)
Iceland (1 contestant)
Lesotho (1 contestant)
Malaysia (1 contestant)
Mongolia (1 contestant)
Morocco (1 contestant)
Palestinian Territory (1 contestant)
Syria (1 contestant)
Venezuela (1 contestant)