Qualification Round: Train Timetable

5076 correct small sets and 4408 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (4027 sets)
Java (2162 sets)
Python (932 sets)
C# (863 sets)
C (502 sets)
Perl (245 sets)
Ruby (162 sets)
PHP (123 sets)
Pascal (116 sets)
Visual Basic (71 sets)
Haskell (63 sets)
Lisp (24 sets)
MATLAB (24 sets)
Scheme (17 sets)
OCaml (15 sets)
Lua (14 sets)
JavaScript (11 sets)
Groovy (6 sets)
Scala (6 sets)
Objective-C (5 sets)
Basic (4 sets)
Clojure (4 sets)
J (4 sets)
AutoIt (2 sets)
Erlang (2 sets)
PL/SQL (2 sets)
Prolog (2 sets)
Shell (2 sets)
SQL (2 sets)
Standard ML (2 sets)
TCL (2 sets)
WRAPL (2 sets)
Brainfuck (1 set)
Eiffel (1 set)
mIRC (1 set)

Submission Origin

China (692 contestants)
United States (689 contestants)
India (674 contestants)
Russia (315 contestants)
Brazil (225 contestants)
Poland (164 contestants)
Japan (156 contestants)
Ukraine (140 contestants)
Canada (128 contestants)
South Korea (128 contestants)
Australia (100 contestants)
Germany (87 contestants)
United Kingdom (86 contestants)
Thailand (81 contestants)
Argentina (70 contestants)
Colombia (68 contestants)
Spain (68 contestants)
France (67 contestants)
Taiwan (65 contestants)
Hungary (60 contestants)
Romania (53 contestants)
Israel (50 contestants)
Mexico (46 contestants)
Bulgaria (44 contestants)
Egypt (43 contestants)
Belarus (40 contestants)
Italy (38 contestants)
Czech Republic (37 contestants)
Slovakia (36 contestants)
Netherlands (35 contestants)
Singapore (35 contestants)
South Africa (32 contestants)
Bangladesh (31 contestants)
Indonesia (28 contestants)
Sweden (28 contestants)
Hong Kong (27 contestants)
Venezuela (25 contestants)
Pakistan (24 contestants)
New Zealand (22 contestants)
Portugal (20 contestants)
Switzerland (20 contestants)
Austria (16 contestants)
Sri Lanka (15 contestants)
Croatia (13 contestants)
Peru (13 contestants)
Philippines (13 contestants)
Serbia and Montenegro (13 contestants)
Lithuania (12 contestants)
Denmark (11 contestants)
Belgium (10 contestants)
Georgia (10 contestants)
Greece (10 contestants)
Jordan (10 contestants)
Turkey (10 contestants)
Ireland (9 contestants)
Norway (9 contestants)
Vietnam (9 contestants)
Moldova (8 contestants)
Estonia (7 contestants)
Kazakhstan (7 contestants)
Latvia (7 contestants)
Lebanon (7 contestants)
Morocco (6 contestants)
United Arab Emirates (6 contestants)
Uruguay (6 contestants)
Chile (5 contestants)
Finland (5 contestants)
Macedonia (5 contestants)
Malaysia (4 contestants)
Afghanistan (3 contestants)
Bolivia (3 contestants)
Palestinian Territory (3 contestants)
Paraguay (3 contestants)
Algeria (2 contestants)
Armenia (2 contestants)
Azerbaijan (2 contestants)
Bosnia and Herzegovina (2 contestants)
Cyprus (2 contestants)
Dominican Republic (2 contestants)
Guatemala (2 contestants)
Saudi Arabia (2 contestants)
Uzbekistan (2 contestants)
Aruba (1 contestant)
Cambodia (1 contestant)
Ecuador (1 contestant)
Iceland (1 contestant)
Kenya (1 contestant)
Kyrgyzstan (1 contestant)
Macau (1 contestant)
Malta (1 contestant)
Nicaragua (1 contestant)
Nigeria (1 contestant)
Oman (1 contestant)
Slovenia (1 contestant)
Virgin Islands (1 contestant)
Zimbabwe (1 contestant)