Round 3: Different Sum

102 correct small sets and 23 correct large sets. View problem statement or contest analysis.

Languages

C++ (97 sets)
Java (22 sets)

Haskell (2 sets)
Pascal (2 sets)

C# (1 set)
Python (1 set)

Russia (27 contestants)
China (20 contestants)
Japan (10 contestants)
Poland (10 contestants)
Ukraine (9 contestants)
Belarus (4 contestants)
United Kingdom (3 contestants)
United States (3 contestants)

Peru (2 contestants)
South Korea (2 contestants)
Argentina (1 contestant)
Brazil (1 contestant)
Finland (1 contestant)
Georgia (1 contestant)
India (1 contestant)
Kyrgyzstan (1 contestant)

Lithuania (1 contestant)
New Zealand (1 contestant)
Slovakia (1 contestant)
South Africa (1 contestant)
Switzerland (1 contestant)
Vietnam (1 contestant)