Round 1A: Number Game

680 correct small sets and 244 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (662 sets)
Java (109 sets)
Python (65 sets)
C# (23 sets)
C (22 sets)
Haskell (7 sets)
Ruby (7 sets)
Pascal (6 sets)
Perl (5 sets)
PHP (5 sets)
OCaml (3 sets)
Asymptote (2 sets)
Clojure (2 sets)
Scala (2 sets)
F# (1 set)
Go (1 set)
Lisp (1 set)
Scheme (1 set)

Submission Origin

China (202 contestants)
United States (61 contestants)
Japan (58 contestants)
Russia (56 contestants)
India (24 contestants)
Canada (23 contestants)
Brazil (21 contestants)
Taiwan (21 contestants)
Poland (19 contestants)
Australia (17 contestants)
South Korea (17 contestants)
Ukraine (15 contestants)
Indonesia (10 contestants)
Thailand (10 contestants)
Vietnam (10 contestants)
Argentina (8 contestants)
Belarus (7 contestants)
Bulgaria (7 contestants)
Hong Kong (6 contestants)
New Zealand (6 contestants)
France (5 contestants)
Israel (5 contestants)
United Kingdom (5 contestants)
Bangladesh (4 contestants)
Germany (4 contestants)
Italy (4 contestants)
Norway (4 contestants)
Slovakia (4 contestants)
Austria (3 contestants)
Mexico (3 contestants)
Romania (3 contestants)
Singapore (3 contestants)
Venezuela (3 contestants)
Croatia (2 contestants)
Egypt (2 contestants)
Iran (2 contestants)
Latvia (2 contestants)
Malaysia (2 contestants)
Netherlands (2 contestants)
Peru (2 contestants)
Spain (2 contestants)
Sri Lanka (2 contestants)
Chile (1 contestant)
Colombia (1 contestant)
Denmark (1 contestant)
Georgia (1 contestant)
Hungary (1 contestant)
Kyrgyzstan (1 contestant)
Lebanon (1 contestant)
Lithuania (1 contestant)
Portugal (1 contestant)
South Africa (1 contestant)
Sweden (1 contestant)
Switzerland (1 contestant)
Tunisia (1 contestant)
Turkey (1 contestant)