Round 1A: Minimum Scalar Product

2352 correct small sets and 1048 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (1594 sets)
Java (661 sets)
Python (420 sets)
C# (221 sets)
C (120 sets)
Perl (104 sets)
Ruby (86 sets)
Pascal (48 sets)
PHP (38 sets)
Haskell (29 sets)
Visual Basic (18 sets)
Scheme (8 sets)
Lisp (6 sets)
JavaScript (5 sets)
Lua (5 sets)
MATLAB (5 sets)
ActionScript (3 sets)
J (3 sets)
Basic (2 sets)
Clojure (2 sets)
Erlang (2 sets)
Scala (2 sets)
D (1 set)
Eiffel (1 set)
Groovy (1 set)
OCaml (1 set)

Submission Origin

China (525 contestants)
United States (481 contestants)
India (226 contestants)
Brazil (137 contestants)
Japan (92 contestants)
Canada (80 contestants)
Russia (75 contestants)
Australia (66 contestants)
South Korea (63 contestants)
Taiwan (53 contestants)
Colombia (41 contestants)
Argentina (37 contestants)
Poland (32 contestants)
Mexico (31 contestants)
Ukraine (31 contestants)
Thailand (29 contestants)
New Zealand (21 contestants)
Singapore (21 contestants)
Venezuela (21 contestants)
Hong Kong (19 contestants)
Indonesia (18 contestants)
Bangladesh (15 contestants)
Egypt (15 contestants)
United Kingdom (14 contestants)
Germany (13 contestants)
Peru (13 contestants)
Israel (12 contestants)
Spain (12 contestants)
Hungary (11 contestants)
Slovakia (10 contestants)
Belarus (8 contestants)
Pakistan (8 contestants)
Romania (7 contestants)
South Africa (7 contestants)
Vietnam (7 contestants)
Italy (6 contestants)
Sri Lanka (6 contestants)
Chile (5 contestants)
France (5 contestants)
Jordan (5 contestants)
Bulgaria (4 contestants)
Georgia (4 contestants)
Portugal (4 contestants)
Czech Republic (3 contestants)
Ireland (3 contestants)
Macedonia (3 contestants)
Malaysia (3 contestants)
Netherlands (3 contestants)
Paraguay (3 contestants)
Philippines (3 contestants)
Switzerland (3 contestants)
Uruguay (3 contestants)
Afghanistan (2 contestants)
Bolivia (2 contestants)
Denmark (2 contestants)
Latvia (2 contestants)
Serbia and Montenegro (2 contestants)
Turkey (2 contestants)
United Arab Emirates (2 contestants)
Austria (1 contestant)
Azerbaijan (1 contestant)
Belgium (1 contestant)
Cambodia (1 contestant)
Costa Rica (1 contestant)
Croatia (1 contestant)
Dominican Republic (1 contestant)
Ecuador (1 contestant)
Estonia (1 contestant)
Finland (1 contestant)
Kazakhstan (1 contestant)
Kyrgyzstan (1 contestant)
Lithuania (1 contestant)
Malta (1 contestant)
Morocco (1 contestant)
Norway (1 contestant)
Oman (1 contestant)
Palestinian Territory (1 contestant)
Slovenia (1 contestant)
Sweden (1 contestant)
Uganda (1 contestant)