Qualification Round: Standing Ovation

22955 correct small sets and 19342 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (20055 sets)
Java (8574 sets)
Python (7093 sets)
C (2107 sets)
C# (1489 sets)
Ruby (576 sets)
Haskell (363 sets)
PHP (309 sets)
JavaScript (252 sets)
Scala (249 sets)
Go (243 sets)
Perl (149 sets)
MATLAB (62 sets)
OCaml (48 sets)
Clojure (47 sets)
Visual Basic (44 sets)
Pascal (43 sets)
Groovy (42 sets)
R (38 sets)
F# (37 sets)
Lisp (33 sets)
D (32 sets)
Rust (24 sets)
Objective-C (20 sets)
CoffeeScript (19 sets)
Lua (15 sets)
Swift (14 sets)
Dart (11 sets)
Julia (11 sets)
Erlang (10 sets)
PowerShell (8 sets)
Racket (8 sets)
AWK (6 sets)
Shell (6 sets)
TCL (6 sets)
ActionScript (5 sets)
Fortran (5 sets)
Octave (5 sets)
Scheme (5 sets)
Elixir (4 sets)
Kotlin (4 sets)
Picat (4 sets)
J (3 sets)
Spreadsheet (3 sets)
SQL (3 sets)
Factor (2 sets)
Idris (2 sets)
Make (2 sets)
PL/SQL (2 sets)
WRAPL (2 sets)
XQuery (2 sets)
Xtend (2 sets)
Basic (1 set)
bc (1 set)
Befunge (1 set)
Brainfuck (1 set)
dc (1 set)
Lazy K (1 set)
LLVM (1 set)
LOLCODE (1 set)
Shakespeare (1 set)

Submission Origin

India (5427 contestants)
United States (2884 contestants)
China (2064 contestants)
Russia (884 contestants)
Japan (695 contestants)
Canada (558 contestants)
South Korea (554 contestants)
France (528 contestants)
Egypt (481 contestants)
Brazil (453 contestants)
Taiwan (439 contestants)
Poland (388 contestants)
Bangladesh (371 contestants)
Ukraine (341 contestants)
Australia (338 contestants)
Germany (320 contestants)
United Kingdom (299 contestants)
Romania (259 contestants)
Thailand (230 contestants)
Spain (223 contestants)
Indonesia (218 contestants)
Italy (208 contestants)
Singapore (207 contestants)
Mexico (206 contestants)
Vietnam (189 contestants)
Colombia (173 contestants)
Hong Kong (173 contestants)
Israel (167 contestants)
Sri Lanka (164 contestants)
Turkey (151 contestants)
Hungary (150 contestants)
Pakistan (142 contestants)
Greece (141 contestants)
Iran (138 contestants)
Belarus (136 contestants)
Argentina (126 contestants)
South Africa (126 contestants)
New Zealand (122 contestants)
Netherlands (120 contestants)
Slovakia (115 contestants)
Czech Republic (108 contestants)
Sweden (104 contestants)
Belgium (90 contestants)
Portugal (76 contestants)
Peru (75 contestants)
Switzerland (70 contestants)
Bulgaria (66 contestants)
Venezuela (64 contestants)
Kazakhstan (62 contestants)
Philippines (59 contestants)
Nigeria (57 contestants)
Croatia (55 contestants)
Bolivia (51 contestants)
Norway (51 contestants)
Lithuania (50 contestants)
Tunisia (45 contestants)
Morocco (44 contestants)
Georgia (39 contestants)
Finland (38 contestants)
Chile (37 contestants)
Ireland (36 contestants)
Austria (35 contestants)
Slovenia (34 contestants)
Jordan (33 contestants)
Serbia (33 contestants)
Lebanon (31 contestants)
Palestine (30 contestants)
Latvia (27 contestants)
Malaysia (27 contestants)
Azerbaijan (25 contestants)
Denmark (25 contestants)
Moldova (22 contestants)
Uzbekistan (22 contestants)
Armenia (21 contestants)
Cameroon (21 contestants)
Algeria (19 contestants)
Estonia (19 contestants)
Cyprus (17 contestants)
Guatemala (16 contestants)
Iceland (16 contestants)
Mongolia (16 contestants)
Nepal (16 contestants)
Kyrgyzstan (15 contestants)
Macedonia (14 contestants)
Saudi Arabia (12 contestants)
Syria (12 contestants)
Kenya (11 contestants)
Turkmenistan (11 contestants)
Dominican Republic (9 contestants)
Unknown or Invalid Region (9 contestants)
Benin (8 contestants)
Ecuador (8 contestants)
Cuba (7 contestants)
Luxembourg (7 contestants)
Uruguay (7 contestants)
Albania (6 contestants)
Ethiopia (6 contestants)
Jamaica (6 contestants)
Puerto Rico (5 contestants)
Tajikistan (5 contestants)
Afghanistan (4 contestants)
Antarctica (4 contestants)
Cambodia (4 contestants)
Mauritius (4 contestants)
Senegal (4 contestants)
United Arab Emirates (4 contestants)
American Samoa (3 contestants)
Bosnia and Herzegovina (3 contestants)
Costa Rica (3 contestants)
Kosovo (3 contestants)
Kuwait (3 contestants)
Madagascar (3 contestants)
Mozambique (3 contestants)
Myanmar (3 contestants)
North Korea (3 contestants)
Andorra (2 contestants)
Anguilla (2 contestants)
Antigua and Barbuda (2 contestants)
Djibouti (2 contestants)
Macau (2 contestants)
Malta (2 contestants)
Montenegro (2 contestants)
Nicaragua (2 contestants)
Paraguay (2 contestants)
Tanzania (2 contestants)
Togo (2 contestants)
Zimbabwe (2 contestants)
Angola (1 contestant)
Bhutan (1 contestant)
Burkina Faso (1 contestant)
Cayman Islands (1 contestant)
Christmas Island (1 contestant)
Congo (1 contestant)
Cook Islands (1 contestant)
Equatorial Guinea (1 contestant)
Gabon (1 contestant)
Ghana (1 contestant)
Greenland (1 contestant)
Grenada (1 contestant)
Guadeloupe (1 contestant)
Guernsey (1 contestant)
Iraq (1 contestant)
Ivory Coast (1 contestant)
Maldives (1 contestant)
Martinique (1 contestant)
Namibia (1 contestant)
Panama (1 contestant)
Papua New Guinea (1 contestant)
Qatar (1 contestant)
Rwanda (1 contestant)
Saint Barthélemy (1 contestant)
Somalia (1 contestant)
Trinidad and Tobago (1 contestant)
U.S. Virgin Islands (1 contestant)
Vatican City (1 contestant)
Western Sahara (1 contestant)
Yemen (1 contestant)
Zambia (1 contestant)
Åland Islands (1 contestant)