Round 2: Up and Down
1728 correct small sets and 1351 correct large sets. View problem statement or contest analysis.
Compact solutions
 triveni692 in C++ (254 B) Calamitates in Ruby (262 B) protos in Python (271 B) Hooyoung in Python (275 B) be6bc04805fcbbd1c403f6e9ff9ff6 in Python (279 B) Ahbong in Python (294 B) Dmoonleo in Python (305 B) Quelloquialism in Python (321 B) | arkorwan in Ruby (342 B) CS.Ferng in Python (344 B) brisk.blackbird in Python (345 B) Hodduc in Python (353 B) kusano in Python (364 B) hallowelt in Python (370 B) Lau in Python (378 B) yangyue.cn in Python (385 B) | nwin in Python (386 B) rutas in Ruby (397 B) lidaobing in Python (409 B) Mauro in Python (410 B) amoebius in Python (411 B) Grzesiu in Python (414 B) Nin0 in Python (424 B) jinzhao in C++ (433 B) |
Solved in...
| C++ (2349 sets) Java (360 sets) Python (211 sets) C# (46 sets) C (25 sets) Haskell (24 sets) | Ruby (18 sets) D (11 sets) Scala (8 sets) Go (6 sets) Pascal (6 sets) JavaScript (4 sets) | OCaml (4 sets) Julia (2 sets) Lua (2 sets) MATLAB (2 sets) Visual Basic (1 set) |
Submission Origin
| China (439 contestants) Russia (207 contestants) Japan (132 contestants) United States (110 contestants) Poland (68 contestants) Taiwan (63 contestants) Ukraine (52 contestants) South Korea (48 contestants) India (46 contestants) Canada (31 contestants) Brazil (30 contestants) Belarus (28 contestants) Bangladesh (24 contestants) Hong Kong (21 contestants) Slovakia (20 contestants) Iran (18 contestants) Australia (18 contestants) Argentina (18 contestants) Thailand (17 contestants) Indonesia (17 contestants) Germany (17 contestants) Vietnam (16 contestants) Bulgaria (16 contestants) Romania (14 contestants) Spain (13 contestants) Egypt (13 contestants) Czech Republic (13 contestants) | Netherlands (12 contestants) France (12 contestants) Hungary (10 contestants) Croatia (10 contestants) Sweden (9 contestants) Singapore (9 contestants) United Kingdom (8 contestants) Peru (8 contestants) Kazakhstan (8 contestants) Mexico (7 contestants) Israel (7 contestants) Switzerland (6 contestants) South Africa (6 contestants) Latvia (6 contestants) Greece (6 contestants) Georgia (6 contestants) Colombia (6 contestants) Serbia (5 contestants) Philippines (5 contestants) Italy (5 contestants) Finland (5 contestants) Belgium (5 contestants) Turkey (4 contestants) Norway (4 contestants) Lithuania (4 contestants) Armenia (4 contestants) Slovenia (3 contestants) | Portugal (3 contestants) New Zealand (3 contestants) Kyrgyzstan (3 contestants) Austria (3 contestants) Sri Lanka (2 contestants) Macedonia (2 contestants) Lebanon (2 contestants) Jordan (2 contestants) Bolivia (2 contestants) Venezuela (1 contestant) U.S. Virgin Islands (1 contestant) Tuvalu (1 contestant) Tajikistan (1 contestant) Pakistan (1 contestant) North Korea (1 contestant) Mongolia (1 contestant) Moldova (1 contestant) Malaysia (1 contestant) Iceland (1 contestant) Estonia (1 contestant) Dominican Republic (1 contestant) Denmark (1 contestant) Cuba (1 contestant) Chile (1 contestant) Cayman Islands (1 contestant) Azerbaijan (1 contestant) |