Language Details: Java

Skip to: Contestants · Problems solved · Represented countries.

Problems solved

Qualification Round (18749 solutions by 5260 contestants):
  • Tic-Tac-Toe-Tomek: 4502 small solutions, 3492 large solutions.
  • Lawnmower: 2594 small solutions, 2215 large solutions.
  • Fair and Square: 4286 small solutions, 1184 large-1 solutions, 219 large-2 solutions.
  • Treasure: 238 small solutions, 19 large solutions.
Round 1A (2240 solutions by 1375 contestants):
Round 1B (1707 solutions by 835 contestants):
Round 1C (1595 solutions by 889 contestants):
  • Consonants: 837 small solutions, 179 large solutions.
  • Pogo: 416 small solutions, 19 large solutions.
  • The Great Wall: 137 small solutions, 7 large solutions.
Round 2 (593 solutions by 233 contestants):
Round 3 (126 solutions by 40 contestants):
Final (34 solutions by 6 contestants):

Submission Origin

India (1109 contestants)
United States (834 contestants)
China (306 contestants)
Egypt (202 contestants)
Russia (198 contestants)
Canada (136 contestants)
Japan (133 contestants)
Colombia (110 contestants)
Sri Lanka (105 contestants)
Brazil (103 contestants)
Germany (100 contestants)
France (97 contestants)
Spain (87 contestants)
Ukraine (87 contestants)
Australia (86 contestants)
United Kingdom (75 contestants)
South Korea (68 contestants)
Mexico (66 contestants)
Cameroon (65 contestants)
Indonesia (60 contestants)
Poland (60 contestants)
Romania (58 contestants)
Israel (55 contestants)
Hungary (51 contestants)
Thailand (51 contestants)
South Africa (50 contestants)
Philippines (45 contestants)
Vietnam (45 contestants)
New Zealand (43 contestants)
Turkey (43 contestants)
Italy (38 contestants)
Morocco (38 contestants)
Sweden (38 contestants)
Singapore (35 contestants)
Taiwan (35 contestants)
Pakistan (33 contestants)
Belarus (32 contestants)
Hong Kong (31 contestants)
Czech Republic (30 contestants)
Netherlands (29 contestants)
Iran (28 contestants)
Nigeria (28 contestants)
Greece (26 contestants)
Slovakia (25 contestants)
Argentina (24 contestants)
Bangladesh (21 contestants)
Portugal (21 contestants)
Venezuela (21 contestants)
Austria (20 contestants)
Switzerland (20 contestants)
Belgium (19 contestants)
Palestinian Territory (16 contestants)
Chile (14 contestants)
Bulgaria (13 contestants)
Peru (13 contestants)
Croatia (11 contestants)
Norway (11 contestants)
Denmark (10 contestants)
Estonia (10 contestants)
Kazakhstan (9 contestants)
Tunisia (9 contestants)
Bolivia (8 contestants)
Georgia (8 contestants)
Latvia (8 contestants)
Lebanon (8 contestants)
Macedonia (8 contestants)
Guatemala (7 contestants)
Kenya (7 contestants)
Lithuania (7 contestants)
Moldova (7 contestants)
Uruguay (7 contestants)
Ireland (6 contestants)
Nepal (6 contestants)
Serbia (6 contestants)
Slovenia (6 contestants)
Azerbaijan (5 contestants)
Costa Rica (5 contestants)
Angola (4 contestants)
Ethiopia (4 contestants)
Mongolia (4 contestants)
Uzbekistan (4 contestants)
Afghanistan (3 contestants)
Andorra (3 contestants)
Benin (3 contestants)
Finland (3 contestants)
Ghana (3 contestants)
Jordan (3 contestants)
Malaysia (3 contestants)
North Korea (3 contestants)
Yemen (3 contestants)
Albania (2 contestants)
Bhutan (2 contestants)
Cyprus (2 contestants)
Ecuador (2 contestants)
Kuwait (2 contestants)
Madagascar (2 contestants)
Togo (2 contestants)
United Arab Emirates (2 contestants)
Algeria (1 contestant)
Armenia (1 contestant)
Aruba (1 contestant)
Barbados (1 contestant)
Bosnia and Herzegovina (1 contestant)
Brunei (1 contestant)
Chad (1 contestant)
Cuba (1 contestant)
Dominican Republic (1 contestant)
El Salvador (1 contestant)
Honduras (1 contestant)
Ivory Coast (1 contestant)
Kosovo (1 contestant)
Kyrgyzstan (1 contestant)
Liberia (1 contestant)
Luxembourg (1 contestant)
Macau (1 contestant)
Malawi (1 contestant)
Mozambique (1 contestant)
Namibia (1 contestant)
Nicaragua (1 contestant)
Rwanda (1 contestant)
Saudi Arabia (1 contestant)
Senegal (1 contestant)
Swaziland (1 contestant)
Tajikistan (1 contestant)
Tuvalu (1 contestant)
Zimbabwe (1 contestant)