Round 1A: Logging

1150 correct small sets and 354 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (1169 sets)
Java (130 sets)
Python (124 sets)
C# (25 sets)
Haskell (18 sets)
C (10 sets)
Go (5 sets)
OCaml (5 sets)
Rust (3 sets)
F# (2 sets)
Lua (2 sets)
Perl (2 sets)
Ruby (2 sets)
Scala (2 sets)
D (1 set)
JavaScript (1 set)
Lisp (1 set)
MATLAB (1 set)
Visual Basic (1 set)

Submission Origin

China (313 contestants)
United States (137 contestants)
Japan (102 contestants)
Russia (74 contestants)
Taiwan (51 contestants)
Canada (41 contestants)
South Korea (30 contestants)
Brazil (26 contestants)
Poland (26 contestants)
India (25 contestants)
Ukraine (24 contestants)
Hong Kong (20 contestants)
Australia (17 contestants)
Thailand (13 contestants)
Belarus (12 contestants)
France (12 contestants)
Hungary (12 contestants)
Argentina (10 contestants)
Indonesia (10 contestants)
Slovakia (10 contestants)
Bangladesh (9 contestants)
Germany (9 contestants)
Singapore (9 contestants)
Vietnam (9 contestants)
Colombia (8 contestants)
Czech Republic (8 contestants)
Egypt (8 contestants)
Mexico (8 contestants)
Iran (7 contestants)
Philippines (7 contestants)
United Kingdom (7 contestants)
Finland (6 contestants)
Kazakhstan (6 contestants)
Serbia (6 contestants)
Belgium (5 contestants)
Bulgaria (5 contestants)
Italy (5 contestants)
Peru (5 contestants)
Venezuela (5 contestants)
Lithuania (4 contestants)
Bolivia (3 contestants)
Greece (3 contestants)
Israel (3 contestants)
New Zealand (3 contestants)
Portugal (3 contestants)
Spain (3 contestants)
Turkey (3 contestants)
Georgia (2 contestants)
Kyrgyzstan (2 contestants)
Netherlands (2 contestants)
Slovenia (2 contestants)
South Africa (2 contestants)
Sweden (2 contestants)
Switzerland (2 contestants)
Azerbaijan (1 contestant)
Cayman Islands (1 contestant)
Croatia (1 contestant)
Denmark (1 contestant)
Dominican Republic (1 contestant)
Estonia (1 contestant)
Iceland (1 contestant)
Lebanon (1 contestant)
Madagascar (1 contestant)
Moldova (1 contestant)
Norway (1 contestant)
Romania (1 contestant)
Saudi Arabia (1 contestant)
Sri Lanka (1 contestant)
Uzbekistan (1 contestant)