Round 2: Roller Coaster Scheduling

1378 correct small sets and 768 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (1730 sets)
Python (194 sets)
Java (137 sets)
C# (30 sets)
Ruby (11 sets)
C (10 sets)
Go (8 sets)
Kotlin (6 sets)
Scala (4 sets)
D (3 sets)
Julia (3 sets)
Rust (3 sets)
Haskell (2 sets)
F# (1 set)
Groovy (1 set)
JavaScript (1 set)
Pascal (1 set)
Visual Basic (1 set)

Submission Origin

China (273 contestants)
Russia (167 contestants)
Japan (129 contestants)
United States (102 contestants)
South Korea (56 contestants)
Taiwan (51 contestants)
Poland (42 contestants)
Ukraine (40 contestants)
India (37 contestants)
Brazil (24 contestants)
Belarus (22 contestants)
Australia (20 contestants)
Canada (20 contestants)
Vietnam (20 contestants)
Bangladesh (19 contestants)
Egypt (19 contestants)
France (19 contestants)
Germany (19 contestants)
Hungary (18 contestants)
Iran (17 contestants)
Singapore (17 contestants)
Thailand (15 contestants)
Indonesia (14 contestants)
Romania (13 contestants)
Sweden (13 contestants)
Czech Republic (12 contestants)
Hong Kong (12 contestants)
Israel (12 contestants)
Argentina (10 contestants)
Netherlands (10 contestants)
United Kingdom (10 contestants)
Italy (9 contestants)
Belgium (8 contestants)
Lithuania (7 contestants)
Slovakia (7 contestants)
Croatia (6 contestants)
Kazakhstan (6 contestants)
New Zealand (6 contestants)
Switzerland (6 contestants)
Colombia (5 contestants)
Latvia (5 contestants)
Bulgaria (4 contestants)
Finland (4 contestants)
South Africa (4 contestants)
Spain (4 contestants)
Georgia (3 contestants)
Jordan (3 contestants)
Norway (3 contestants)
Peru (3 contestants)
Slovenia (3 contestants)
Uzbekistan (3 contestants)
Austria (2 contestants)
Denmark (2 contestants)
Greece (2 contestants)
Moldova (2 contestants)
Philippines (2 contestants)
Portugal (2 contestants)
Antarctica (1 contestant)
Armenia (1 contestant)
Azerbaijan (1 contestant)
Cyprus (1 contestant)
Estonia (1 contestant)
Iceland (1 contestant)
Kyrgyzstan (1 contestant)
Macedonia (1 contestant)
Malaysia (1 contestant)
Nepal (1 contestant)
Serbia (1 contestant)
Sri Lanka (1 contestant)
Syria (1 contestant)
Tajikistan (1 contestant)
Turkey (1 contestant)
Venezuela (1 contestant)