Round 1C: Slides!
1983 correct small sets and 1473 correct large sets. View problem statement or contest analysis.
Compact solutions
 abhay11 in Python (340 B) Selv in Python (367 B) pse1202 in Python (381 B) ojos in Python (400 B) DrBubbles in Python (407 B) potpath in Python (425 B) moondrop in Lua (435 B) ahausch in Python (435 B) | tjake in Python (444 B) alex1770 in Python (445 B) mario.lipovsky in Python (449 B) sandeva in Python (457 B) Joftaz in MATLAB (461 B) paramaciej in Python (487 B) tli in Python (492 B) shamshad.npti in Python (499 B) | torenord in Python (500 B) Tjandra in C (504 B) mame in Ruby (505 B) stevenhao in Python (506 B) MaksK in Python (506 B) Sibi in Python (507 B) DBN in Python (510 B) Gozz in C++ (518 B) |
Solved in...
| C++ (2271 sets) Python (580 sets) Java (375 sets) C# (66 sets) C (29 sets) Ruby (26 sets) Haskell (20 sets) Scala (12 sets) JavaScript (10 sets) OCaml (10 sets) | Go (7 sets) Clojure (5 sets) MATLAB (5 sets) Perl (5 sets) Lisp (4 sets) Kotlin (3 sets) Lua (3 sets) D (2 sets) Dart (2 sets) Erlang (2 sets) | Groovy (2 sets) Mathematica (2 sets) Rust (2 sets) Swift (2 sets) F# (1 set) MoonScript (1 set) Objective-C (1 set) Pascal (1 set) WRAPL (1 set) |
Submission Origin
| China (246 contestants) Russia (198 contestants) India (192 contestants) United States (124 contestants) Japan (116 contestants) South Korea (87 contestants) Poland (61 contestants) Ukraine (60 contestants) Taiwan (55 contestants) France (52 contestants) Germany (40 contestants) Canada (38 contestants) Bangladesh (38 contestants) Slovakia (33 contestants) Australia (32 contestants) Thailand (31 contestants) United Kingdom (28 contestants) Romania (25 contestants) Brazil (24 contestants) Belarus (22 contestants) Vietnam (21 contestants) Israel (21 contestants) Iran (21 contestants) Spain (20 contestants) Hong Kong (20 contestants) Indonesia (19 contestants) Netherlands (18 contestants) Egypt (18 contestants) Singapore (17 contestants) | Hungary (17 contestants) Czech Republic (17 contestants) Argentina (16 contestants) Sweden (15 contestants) Belgium (13 contestants) Turkey (12 contestants) New Zealand (12 contestants) Italy (12 contestants) Bulgaria (12 contestants) Switzerland (10 contestants) South Africa (10 contestants) Lithuania (9 contestants) Kazakhstan (9 contestants) Greece (9 contestants) Slovenia (8 contestants) Finland (7 contestants) Denmark (7 contestants) Colombia (7 contestants) ? (7 contestants) Peru (6 contestants) Latvia (6 contestants) Georgia (6 contestants) Armenia (6 contestants) Serbia (5 contestants) Portugal (5 contestants) Norway (5 contestants) Moldova (5 contestants) Venezuela (4 contestants) Philippines (4 contestants) | Mexico (4 contestants) Croatia (4 contestants) Austria (4 contestants) Uzbekistan (3 contestants) Sri Lanka (3 contestants) Bolivia (3 contestants) Azerbaijan (3 contestants) Tunisia (2 contestants) Tajikistan (2 contestants) Macedonia (2 contestants) Lebanon (2 contestants) Cyprus (2 contestants) Sint Maarten (1 contestant) Saudi Arabia (1 contestant) Rwanda (1 contestant) Panama (1 contestant) Nepal (1 contestant) Morocco (1 contestant) Malaysia (1 contestant) Macau (1 contestant) Luxembourg (1 contestant) Ireland (1 contestant) Iceland (1 contestant) Dominican Republic (1 contestant) Cuba (1 contestant) Cameroon (1 contestant) Antarctica (1 contestant) |