Language Details: Haskell

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Problems solved

Qualification Round (511 solutions by 167 contestants):
Round 1A (92 solutions by 44 contestants):
Round 1B (69 solutions by 36 contestants):
Round 1C (62 solutions by 27 contestants):
Round 2 (26 solutions by 13 contestants):
Round 3 (5 solutions by 3 contestants):

Submission Origin

United States (35 contestants)
Japan (27 contestants)
United Kingdom (11 contestants)
Canada (9 contestants)
China (7 contestants)
Australia (7 contestants)
Russia (6 contestants)
Netherlands (6 contestants)
Ukraine (5 contestants)
Germany (5 contestants)
France (5 contestants)
Sweden (4 contestants)
Italy (4 contestants)
Spain (3 contestants)
Romania (3 contestants)
Norway (3 contestants)
India (3 contestants)
Hungary (3 contestants)
Belgium (3 contestants)
Venezuela (2 contestants)
Brazil (2 contestants)
Argentina (2 contestants)
Uruguay (1 contestant)
Taiwan (1 contestant)
Switzerland (1 contestant)
South Africa (1 contestant)
Puerto Rico (1 contestant)
Portugal (1 contestant)
Poland (1 contestant)
Pakistan (1 contestant)
New Zealand (1 contestant)
Moldova (1 contestant)
Kyrgyzstan (1 contestant)
Israel (1 contestant)
Hong Kong (1 contestant)
Greece (1 contestant)
Finland (1 contestant)
Cyprus (1 contestant)
Croatia (1 contestant)
Chile (1 contestant)
Bulgaria (1 contestant)
Bolivia (1 contestant)