Qualification Round: Dijkstra

6656 correct small sets and 2491 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (5124 sets)
Java (1516 sets)
Python (1409 sets)
C# (289 sets)
C (213 sets)
Haskell (113 sets)
Ruby (94 sets)
Scala (58 sets)
Go (48 sets)
JavaScript (35 sets)
OCaml (31 sets)
PHP (30 sets)
Perl (24 sets)
MATLAB (16 sets)
F# (14 sets)
Rust (14 sets)
D (12 sets)
Visual Basic (11 sets)
Pascal (10 sets)
Lisp (6 sets)
Clojure (5 sets)
R (5 sets)
Swift (5 sets)
Groovy (4 sets)
Shell (4 sets)
CoffeeScript (3 sets)
Julia (3 sets)
Dart (2 sets)
Erlang (2 sets)
Lua (2 sets)
Objective-C (2 sets)
Racket (2 sets)
Spreadsheet (2 sets)
WRAPL (2 sets)
Fortran (1 set)
J (1 set)
Kotlin (1 set)
LLVM (1 set)
Logo (1 set)
Maxima (1 set)
TCL (1 set)
Xtend (1 set)

Submission Origin

China (926 contestants)
India (894 contestants)
United States (728 contestants)
Russia (434 contestants)
Japan (338 contestants)
Taiwan (196 contestants)
South Korea (181 contestants)
France (177 contestants)
Canada (158 contestants)
Ukraine (146 contestants)
Poland (140 contestants)
Brazil (125 contestants)
Egypt (115 contestants)
Germany (115 contestants)
Romania (98 contestants)
United Kingdom (79 contestants)
Belarus (76 contestants)
Australia (75 contestants)
Hong Kong (71 contestants)
Singapore (71 contestants)
Vietnam (68 contestants)
Bangladesh (62 contestants)
Israel (62 contestants)
Spain (61 contestants)
Thailand (60 contestants)
Hungary (57 contestants)
Czech Republic (54 contestants)
Italy (52 contestants)
Netherlands (52 contestants)
Argentina (49 contestants)
Indonesia (45 contestants)
Mexico (45 contestants)
Slovakia (45 contestants)
Turkey (44 contestants)
Iran (42 contestants)
Belgium (36 contestants)
Greece (35 contestants)
Sweden (34 contestants)
Colombia (30 contestants)
Pakistan (29 contestants)
South Africa (28 contestants)
Switzerland (25 contestants)
Portugal (24 contestants)
Bulgaria (22 contestants)
Sri Lanka (22 contestants)
Kazakhstan (21 contestants)
Croatia (20 contestants)
Lithuania (19 contestants)
New Zealand (19 contestants)
Venezuela (19 contestants)
Austria (15 contestants)
Peru (15 contestants)
Tunisia (15 contestants)
Morocco (14 contestants)
Philippines (14 contestants)
Slovenia (14 contestants)
Finland (12 contestants)
Georgia (11 contestants)
Norway (11 contestants)
Latvia (10 contestants)
Serbia (10 contestants)
Armenia (9 contestants)
Bolivia (8 contestants)
Chile (8 contestants)
Cyprus (8 contestants)
Denmark (8 contestants)
Ireland (8 contestants)
Lebanon (8 contestants)
Uzbekistan (8 contestants)
Palestine (7 contestants)
Nigeria (6 contestants)
Benin (5 contestants)
Iceland (5 contestants)
Jordan (5 contestants)
Malaysia (5 contestants)
Nepal (5 contestants)
Algeria (4 contestants)
Cameroon (4 contestants)
Dominican Republic (4 contestants)
Kyrgyzstan (4 contestants)
Luxembourg (4 contestants)
Macedonia (4 contestants)
Azerbaijan (3 contestants)
Bosnia and Herzegovina (3 contestants)
Cuba (3 contestants)
Estonia (3 contestants)
Ethiopia (3 contestants)
Jamaica (3 contestants)
Moldova (3 contestants)
Saudi Arabia (3 contestants)
Tajikistan (3 contestants)
Unknown or Invalid Region (3 contestants)
Anguilla (2 contestants)
Antarctica (2 contestants)
Guatemala (2 contestants)
Turkmenistan (2 contestants)
Ă…land Islands (2 contestants)
Albania (1 contestant)
Andorra (1 contestant)
Bhutan (1 contestant)
Cayman Islands (1 contestant)
Congo (1 contestant)
Ecuador (1 contestant)
Gabon (1 contestant)
Greenland (1 contestant)
Ivory Coast (1 contestant)
Kosovo (1 contestant)
Kuwait (1 contestant)
Macau (1 contestant)
Madagascar (1 contestant)
Malta (1 contestant)
Martinique (1 contestant)
Mongolia (1 contestant)
Mozambique (1 contestant)
Myanmar (1 contestant)
Somalia (1 contestant)
Syria (1 contestant)
Tanzania (1 contestant)
U.S. Virgin Islands (1 contestant)
Uruguay (1 contestant)
Western Sahara (1 contestant)