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Problems solved

Qualification Round (28161 solutions by 5582 contestants):
  • Bot Trust: 4938 small solutions, 4811 large solutions.
  • Magicka: 4053 small solutions, 3464 large solutions.
  • Candy Splitting: 4353 small solutions, 3506 large solutions.
  • GoroSort: 1539 small solutions, 1497 large solutions.
Round 1A (3587 solutions by 1754 contestants):
Round 1B (6411 solutions by 2417 contestants):
Round 1C (6849 solutions by 2097 contestants):
Round 2 (5604 solutions by 1597 contestants):
Round 3 (1481 solutions by 317 contestants):
Final (50 solutions by 17 contestants):

Submission Origin

China (1386 contestants)
India (707 contestants)
Russia (410 contestants)
United States (308 contestants)
Japan (270 contestants)
Poland (194 contestants)
Brazil (183 contestants)
Ukraine (166 contestants)
Taiwan (140 contestants)
South Korea (132 contestants)
Bangladesh (120 contestants)
Egypt (99 contestants)
Indonesia (90 contestants)
Romania (82 contestants)
Canada (77 contestants)
Thailand (68 contestants)
Vietnam (66 contestants)
Belarus (65 contestants)
Hong Kong (65 contestants)
Argentina (61 contestants)
France (61 contestants)
Australia (54 contestants)
Germany (53 contestants)
Bulgaria (49 contestants)
Spain (49 contestants)
Mexico (48 contestants)
Slovakia (47 contestants)
Hungary (42 contestants)
Croatia (40 contestants)
Peru (37 contestants)
United Kingdom (33 contestants)
Colombia (31 contestants)
Iran (29 contestants)
Sweden (27 contestants)
Singapore (23 contestants)
Pakistan (22 contestants)
Venezuela (22 contestants)
Greece (21 contestants)
Israel (20 contestants)
Turkey (18 contestants)
Czech Republic (17 contestants)
Kazakhstan (17 contestants)
Latvia (17 contestants)
South Africa (17 contestants)
Georgia (16 contestants)
Netherlands (16 contestants)
Italy (15 contestants)
Lithuania (15 contestants)
Portugal (14 contestants)
Serbia (14 contestants)
Armenia (13 contestants)
Bolivia (12 contestants)
Switzerland (12 contestants)
Finland (11 contestants)
New Zealand (11 contestants)
Sri Lanka (10 contestants)
Chile (8 contestants)
Moldova (8 contestants)
Slovenia (8 contestants)
Denmark (7 contestants)
Estonia (7 contestants)
Kyrgyzstan (7 contestants)
Austria (6 contestants)
Ireland (6 contestants)
Malaysia (6 contestants)
Norway (6 contestants)
Belgium (5 contestants)
Bosnia and Herzegovina (5 contestants)
Lebanon (5 contestants)
Mongolia (5 contestants)
Morocco (5 contestants)
Philippines (5 contestants)
Cyprus (3 contestants)
Dominican Republic (3 contestants)
Uruguay (3 contestants)
Afghanistan (2 contestants)
Algeria (2 contestants)
Cameroon (2 contestants)
Costa Rica (2 contestants)
Macedonia (2 contestants)
Nepal (2 contestants)
Albania (1 contestant)
Antigua & Barbuda (1 contestant)
Azerbaijan (1 contestant)
Benin (1 contestant)
Cuba (1 contestant)
Djibouti (1 contestant)
Ivory Coast (1 contestant)
Jamaica (1 contestant)
Jordan (1 contestant)
Kenya (1 contestant)
Lesotho (1 contestant)
Luxembourg (1 contestant)
Macau (1 contestant)
Malta (1 contestant)
Paraguay (1 contestant)
Senegal (1 contestant)
Syria (1 contestant)
Trinidad and Tobago (1 contestant)
U.S. Virgin Islands (1 contestant)
Uzbekistan (1 contestant)
Zimbabwe (1 contestant)