Round 1C: Parenting Partnering

1767 correct small sets and 1082 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (1976 sets)
Python (438 sets)
Java (240 sets)
C# (44 sets)
Ruby (28 sets)
C (16 sets)
Scala (13 sets)
Go (12 sets)
Haskell (11 sets)
Kotlin (8 sets)
JavaScript (7 sets)
OCaml (7 sets)
D (5 sets)
Pascal (5 sets)
Perl (5 sets)
Rust (5 sets)
Julia (4 sets)
Lua (4 sets)
MATLAB (3 sets)
PHP (3 sets)
Groovy (2 sets)
Swift (2 sets)
Visual Basic (2 sets)
WRAPL (2 sets)
Dart (1 set)
F# (1 set)
Lisp (1 set)

Submission Origin

China (250 contestants)
Russia (169 contestants)
Japan (133 contestants)
India (123 contestants)
United States (105 contestants)
South Korea (74 contestants)
Taiwan (57 contestants)
Poland (55 contestants)
Ukraine (50 contestants)
France (44 contestants)
Vietnam (36 contestants)
Germany (33 contestants)
Belarus (32 contestants)
Hungary (29 contestants)
Singapore (29 contestants)
Bangladesh (28 contestants)
United Kingdom (28 contestants)
Australia (26 contestants)
Brazil (24 contestants)
Hong Kong (22 contestants)
Romania (21 contestants)
Canada (20 contestants)
Indonesia (20 contestants)
Israel (20 contestants)
Italy (20 contestants)
Slovakia (20 contestants)
Egypt (19 contestants)
Sweden (19 contestants)
Netherlands (18 contestants)
Iran (17 contestants)
Thailand (16 contestants)
Spain (13 contestants)
Argentina (11 contestants)
Czech Republic (10 contestants)
Belgium (9 contestants)
Lithuania (9 contestants)
Greece (8 contestants)
Norway (7 contestants)
South Africa (7 contestants)
? (6 contestants)
Austria (6 contestants)
Colombia (6 contestants)
Croatia (6 contestants)
Denmark (6 contestants)
New Zealand (6 contestants)
Philippines (6 contestants)
Turkey (6 contestants)
Bulgaria (5 contestants)
Jordan (5 contestants)
Latvia (5 contestants)
Peru (5 contestants)
Slovenia (5 contestants)
Switzerland (5 contestants)
Finland (4 contestants)
Mexico (4 contestants)
Syria (4 contestants)
Armenia (3 contestants)
Georgia (3 contestants)
Ireland (3 contestants)
Kazakhstan (3 contestants)
Lebanon (3 contestants)
Malaysia (3 contestants)
Morocco (3 contestants)
Estonia (2 contestants)
Iceland (2 contestants)
Macedonia (2 contestants)
Portugal (2 contestants)
Serbia (2 contestants)
Antarctica (1 contestant)
Bolivia (1 contestant)
Cameroon (1 contestant)
Cyprus (1 contestant)
Kyrgyzstan (1 contestant)
Macau (1 contestant)
Moldova (1 contestant)
Pakistan (1 contestant)
RĂ©union (1 contestant)
Saudi Arabia (1 contestant)
Sri Lanka (1 contestant)
Tunisia (1 contestant)
Turkmenistan (1 contestant)
Uzbekistan (1 contestant)
Western Sahara (1 contestant)