Round 1A: Charging Chaos
3388 correct small sets and 1703 correct large sets. View problem statement or contest analysis.
Compact solutions
be6bc04805fcbbd1c403f6e9ff9ff6 in Python (367 B) htamas in Python (440 B) rookie052 in C++ (450 B) KTR in Python (467 B) rnb in Python (468 B) Ahbong in Python (472 B) ameboide in Ruby (477 B) Cypi in Python (483 B) | mcamac in Python (486 B) Cypi in Python (487 B) hiphip55 in Ruby (488 B) yaegashi in Ruby (491 B) zepp in Python (492 B) Marky in Ruby (493 B) AxiomOfChoice in Python (535 B) bambit in Python (537 B) | SpiritsUnite in Python (538 B) viadanna in Python (556 B) Steap in Python (556 B) nirmesh91 in Python (567 B) nwin in Python (570 B) zhuqiuxizju in Ruby (573 B) mbrc in Python (575 B) ipknHama in Python (581 B) |
Solved in...
C++ (3071 sets) Java (800 sets) Python (747 sets) C# (150 sets) C (72 sets) Ruby (60 sets) Haskell (51 sets) Perl (24 sets) Scala (20 sets) | Go (12 sets) PHP (12 sets) OCaml (11 sets) JavaScript (9 sets) Visual Basic (8 sets) MATLAB (6 sets) Pascal (6 sets) D (4 sets) F# (4 sets) | Groovy (4 sets) Kotlin (3 sets) CoffeeScript (2 sets) Lua (2 sets) Racket (2 sets) Dart (1 set) Factor (1 set) Julia (1 set) Objective-C (1 set) |
Submission Origin
China (737 contestants) United States (459 contestants) India (309 contestants) Japan (229 contestants) Russia (179 contestants) Canada (123 contestants) Taiwan (119 contestants) Brazil (90 contestants) Australia (76 contestants) South Korea (69 contestants) Poland (47 contestants) Ukraine (46 contestants) Thailand (46 contestants) France (42 contestants) Egypt (40 contestants) Bangladesh (40 contestants) Indonesia (37 contestants) Vietnam (35 contestants) Argentina (35 contestants) Hong Kong (33 contestants) Germany (32 contestants) Belarus (29 contestants) Singapore (28 contestants) Slovakia (26 contestants) Mexico (26 contestants) Israel (26 contestants) Spain (21 contestants) United Kingdom (19 contestants) Hungary (19 contestants) Czech Republic (18 contestants) Iran (17 contestants) Colombia (17 contestants) Romania (16 contestants) | Philippines (15 contestants) Greece (14 contestants) New Zealand (13 contestants) Bulgaria (12 contestants) Bolivia (12 contestants) Belgium (12 contestants) Sweden (11 contestants) Portugal (11 contestants) Netherlands (10 contestants) Kazakhstan (10 contestants) Croatia (10 contestants) Finland (9 contestants) Turkey (8 contestants) Peru (8 contestants) Italy (8 contestants) Venezuela (7 contestants) Pakistan (7 contestants) Chile (7 contestants) Lithuania (6 contestants) Lebanon (6 contestants) Dominican Republic (6 contestants) Austria (6 contestants) South Africa (5 contestants) Serbia (5 contestants) Georgia (5 contestants) Uzbekistan (4 contestants) Sri Lanka (4 contestants) Slovenia (4 contestants) Morocco (4 contestants) Latvia (4 contestants) Kyrgyzstan (4 contestants) Jordan (4 contestants) Denmark (4 contestants) | Switzerland (3 contestants) North Korea (3 contestants) Malaysia (3 contestants) Ireland (3 contestants) Iceland (3 contestants) Armenia (3 contestants) Turkmenistan (2 contestants) Norway (2 contestants) Costa Rica (2 contestants) Zimbabwe (1 contestant) Vatican City (1 contestant) Tunisia (1 contestant) Syria (1 contestant) Rwanda (1 contestant) Nigeria (1 contestant) Nicaragua (1 contestant) Mongolia (1 contestant) Martinique (1 contestant) Madagascar (1 contestant) Macau (1 contestant) Luxembourg (1 contestant) Jamaica (1 contestant) Guatemala (1 contestant) Ethiopia (1 contestant) Estonia (1 contestant) Cyprus (1 contestant) Cuba (1 contestant) Cameroon (1 contestant) Brunei (1 contestant) Benin (1 contestant) Azerbaijan (1 contestant) Antigua and Barbuda (1 contestant) Afghanistan (1 contestant) |