Language Details: Haskell

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Problems solved

Qualification Round (666 solutions by 193 contestants):
Round 1A (70 solutions by 31 contestants):
Round 1B (134 solutions by 61 contestants):
Round 1C (86 solutions by 41 contestants):
Round 2 (64 solutions by 16 contestants):
Round 3 (2 solutions by 1 contestant):

Submission Origin

United States (41 contestants)
Japan (28 contestants)
Germany (11 contestants)
United Kingdom (11 contestants)
Australia (8 contestants)
France (8 contestants)
Russia (7 contestants)
Sweden (7 contestants)
Canada (6 contestants)
China (6 contestants)
Netherlands (6 contestants)
Greece (5 contestants)
India (5 contestants)
Norway (5 contestants)
Poland (5 contestants)
Belarus (3 contestants)
Hungary (3 contestants)
Taiwan (3 contestants)
Argentina (2 contestants)
Belgium (2 contestants)
Brazil (2 contestants)
Finland (2 contestants)
Italy (2 contestants)
Malaysia (2 contestants)
Moldova (2 contestants)
Romania (2 contestants)
Singapore (2 contestants)
Slovakia (2 contestants)
Azerbaijan (1 contestant)
Bolivia (1 contestant)
Denmark (1 contestant)
Indonesia (1 contestant)
Ireland (1 contestant)
Israel (1 contestant)
Kyrgyzstan (1 contestant)
Mauritius (1 contestant)
New Zealand (1 contestant)
Philippines (1 contestant)
Portugal (1 contestant)
Switzerland (1 contestant)
Thailand (1 contestant)
Ukraine (1 contestant)
Venezuela (1 contestant)