Round 2: Red Tape Committee
1668 correct small sets and 820 correct large sets. View problem statement or contest analysis.
Compact solutions
 nikolas.a in Python (401 B) ZhouYuChen in Python (454 B) dyx404514 in C++ (457 B) alueft in Python (480 B) ZhouYuChen in Python (485 B) Math.Wizard.Boy in Python (491 B) majk in Python (502 B) govindlahoti in Python (530 B) | tana in Python (550 B) alex1770 in Python (554 B) grebnesieh in Python (564 B) Nore in Python (569 B) Seter in Python (573 B) libragold in Ruby (577 B) AxiomOfChoice in Python (579 B) alberist1 in Python (582 B) | Jakube in Python (584 B) Nika86 in Python (600 B) naagi in Python (601 B) nwin in Python (605 B) ppershing in Python (610 B) grebnesieh in Python (611 B) pse1202 in Python (612 B) Cypi in Python (623 B) |
Solved in...
| C++ (1995 sets) Java (217 sets) Python (190 sets) C# (32 sets) Haskell (10 sets) C (7 sets) OCaml (7 sets) | Ruby (6 sets) Julia (3 sets) Go (2 sets) Groovy (2 sets) Swift (2 sets) Erlang (1 set) JavaScript (1 set) | Kotlin (1 set) Lua (1 set) MATLAB (1 set) Perl (1 set) Scala (1 set) Visual Basic (1 set) |
Submission Origin
| China (361 contestants) Russia (230 contestants) Japan (138 contestants) United States (114 contestants) Taiwan (58 contestants) Poland (55 contestants) South Korea (50 contestants) India (49 contestants) Ukraine (41 contestants) Belarus (40 contestants) Canada (32 contestants) Vietnam (26 contestants) Brazil (26 contestants) Hong Kong (22 contestants) Australia (21 contestants) Germany (19 contestants) Romania (18 contestants) Iran (18 contestants) Bangladesh (16 contestants) Slovakia (15 contestants) Czech Republic (15 contestants) France (14 contestants) United Kingdom (13 contestants) Thailand (13 contestants) Singapore (13 contestants) Hungary (13 contestants) Egypt (12 contestants) | Argentina (12 contestants) Spain (11 contestants) Indonesia (11 contestants) Bulgaria (11 contestants) Sweden (10 contestants) Netherlands (9 contestants) Lithuania (8 contestants) Italy (8 contestants) Georgia (8 contestants) Finland (8 contestants) Slovenia (7 contestants) Serbia (7 contestants) Latvia (7 contestants) Kazakhstan (7 contestants) Belgium (7 contestants) Switzerland (6 contestants) Peru (6 contestants) Israel (6 contestants) South Africa (5 contestants) Denmark (5 contestants) Turkey (4 contestants) Philippines (4 contestants) New Zealand (4 contestants) Greece (4 contestants) Croatia (4 contestants) Colombia (4 contestants) Armenia (4 contestants) | Portugal (3 contestants) Norway (3 contestants) Venezuela (2 contestants) Uzbekistan (2 contestants) Saudi Arabia (2 contestants) Moldova (2 contestants) Malaysia (2 contestants) Macedonia (2 contestants) Lebanon (2 contestants) Kyrgyzstan (2 contestants) Dominican Republic (2 contestants) Austria (2 contestants) ? (2 contestants) Tunisia (1 contestant) Tajikistan (1 contestant) Sri Lanka (1 contestant) Sint Maarten (1 contestant) Mexico (1 contestant) Iceland (1 contestant) Estonia (1 contestant) Cyprus (1 contestant) Cayman Islands (1 contestant) Bolivia (1 contestant) Azerbaijan (1 contestant) Antarctica (1 contestant) |