Round 2: Erdős–Szekeres

365 correct small sets and 182 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (451 sets)
Java (54 sets)
Python (16 sets)
C# (7 sets)
Pascal (7 sets)
C (6 sets)
Ruby (3 sets)
D (2 sets)

Submission Origin

China (82 contestants)
Russia (78 contestants)
Japan (25 contestants)
Poland (25 contestants)
United States (20 contestants)
Ukraine (18 contestants)
South Korea (14 contestants)
Taiwan (14 contestants)
Belarus (10 contestants)
Netherlands (7 contestants)
Canada (6 contestants)
Germany (4 contestants)
Slovakia (4 contestants)
Australia (3 contestants)
Croatia (3 contestants)
Hong Kong (3 contestants)
Iran (3 contestants)
Thailand (3 contestants)
Vietnam (3 contestants)
Austria (2 contestants)
Bulgaria (2 contestants)
Czech Republic (2 contestants)
Finland (2 contestants)
Georgia (2 contestants)
Indonesia (2 contestants)
Italy (2 contestants)
Latvia (2 contestants)
Lithuania (2 contestants)
Romania (2 contestants)
Singapore (2 contestants)
Slovenia (2 contestants)
United Kingdom (2 contestants)
Argentina (1 contestant)
Bangladesh (1 contestant)
Brazil (1 contestant)
Colombia (1 contestant)
Hungary (1 contestant)
Kazakhstan (1 contestant)
Moldova (1 contestant)
New Zealand (1 contestant)
Norway (1 contestant)
Philippines (1 contestant)
Portugal (1 contestant)
South Africa (1 contestant)
Sweden (1 contestant)
Venezuela (1 contestant)