Qualification Round: Hall of Mirrors
551 correct small sets and 184 correct large sets. View problem statement or contest analysis.
Compact solutions
 Gahon in C++ (638 B) rst76 in Haskell (705 B) brisk.blackbird in Python (755 B) zibada in Python (813 B) Milanin in C++ (899 B) htuna in AWK (958 B) srou in PHP (961 B) laser in C++ (1026 B) | Ra16bit in C++ (1064 B) spicyjalapeno in Python (1138 B) winlll in C++ (1158 B) sekiye in Python (1190 B) thocevar in C++ (1195 B) hasipon in JavaScript (1241 B) Pasqual45 in C++ (1251 B) ErickW in C++ (1257 B) | Marte in Python (1258 B) m4i in Ruby (1260 B) Maf in C++ (1265 B) luochen1990 in Python (1291 B) binzume in C++ (1292 B) Fumiya in C++ (1297 B) gagguy in C++ (1313 B) t123234 in C++ (1336 B) |
Solved in...
| C++ (399 sets) Java (108 sets) Python (91 sets) C# (45 sets) C (25 sets) Haskell (12 sets) Ruby (11 sets) Scala (9 sets) | JavaScript (5 sets) PHP (5 sets) MATLAB (4 sets) OCaml (4 sets) D (3 sets) Visual Basic (3 sets) Lisp (2 sets) AWK (1 set) | Basic (1 set) Go (1 set) Lua (1 set) Pascal (1 set) Perl (1 set) Shell (1 set) Subleq (1 set) Whitespace (1 set) |
Submission Origin
| China (102 contestants) Japan (72 contestants) United States (54 contestants) Russia (49 contestants) Poland (19 contestants) Australia (17 contestants) Canada (16 contestants) United Kingdom (15 contestants) Taiwan (14 contestants) South Korea (14 contestants) France (13 contestants) Ukraine (12 contestants) Germany (12 contestants) Belarus (10 contestants) Netherlands (9 contestants) Hungary (9 contestants) Thailand (6 contestants) Hong Kong (6 contestants) Bulgaria (6 contestants) | Sweden (5 contestants) Spain (5 contestants) India (5 contestants) Greece (5 contestants) Croatia (5 contestants) Switzerland (4 contestants) Slovenia (4 contestants) Singapore (4 contestants) Israel (4 contestants) Argentina (4 contestants) Slovakia (3 contestants) New Zealand (3 contestants) Latvia (3 contestants) Indonesia (3 contestants) Brazil (3 contestants) Belgium (3 contestants) Sri Lanka (2 contestants) South Africa (2 contestants) Serbia (2 contestants) | Romania (2 contestants) Philippines (2 contestants) Norway (2 contestants) Kyrgyzstan (2 contestants) Italy (2 contestants) Czech Republic (2 contestants) Colombia (2 contestants) Bangladesh (2 contestants) Turkey (1 contestant) Portugal (1 contestant) Mongolia (1 contestant) Moldova (1 contestant) Mexico (1 contestant) Kazakhstan (1 contestant) Iran (1 contestant) Finland (1 contestant) Denmark (1 contestant) Bolivia (1 contestant) ... (1 contestant) |