Round 1C: Center of Mass
823 correct small sets and 737 correct large sets. View problem statement or contest analysis.
Compact solutions
 Kalpana322230 in C++ (33 B) metar in Pascal (126 B) Heller in C++ (460 B) itelichko in Perl (493 B) alexk in Python (501 B) linguo in Python (545 B) SweetTea in Python (640 B) tmadeira in Ruby (651 B) | nps in Python (678 B) gnarlycow in C++ (687 B) kyun in C++ (688 B) bayleef in C++ (689 B) liruqi in C++ (689 B) smallnick in C++ (708 B) dfyz in Python (711 B) antialize in Python (715 B) | coderedoc in C++ (719 B) Marte in Python (735 B) Coconut.Big in Python (735 B) fsck in C++ (746 B) fantasticsid in Python (748 B) kyun in C++ (763 B) darios in Python (777 B) thecata in C++ (780 B) |
Solved in...
| C++ (952 sets) Java (215 sets) Python (160 sets) C# (83 sets) C (42 sets) Ruby (30 sets) | Pascal (24 sets) Perl (17 sets) PHP (15 sets) MATLAB (4 sets) Scala (4 sets) ActionScript (2 sets) | Haskell (2 sets) Lisp (2 sets) OCaml (2 sets) Erlang (1 set) JavaScript (1 set) |
Submission Origin
| China (176 contestants) Russia (99 contestants) India (67 contestants) United States (59 contestants) Japan (48 contestants) Ukraine (37 contestants) Poland (29 contestants) Australia (20 contestants) Brazil (18 contestants) South Korea (17 contestants) United Kingdom (15 contestants) Hungary (14 contestants) Belarus (14 contestants) Italy (11 contestants) Spain (10 contestants) Romania (10 contestants) Hong Kong (10 contestants) Germany (9 contestants) Canada (9 contestants) Bulgaria (9 contestants) | Taiwan (8 contestants) South Africa (8 contestants) Netherlands (8 contestants) Singapore (7 contestants) Croatia (7 contestants) Vietnam (6 contestants) Thailand (6 contestants) Sweden (6 contestants) Georgia (6 contestants) France (6 contestants) New Zealand (5 contestants) Turkey (4 contestants) Slovakia (4 contestants) Israel (4 contestants) Finland (4 contestants) Bangladesh (4 contestants) Portugal (3 contestants) Peru (3 contestants) Lebanon (3 contestants) Kazakhstan (3 contestants) | Indonesia (3 contestants) Egypt (3 contestants) Czech Republic (3 contestants) Colombia (3 contestants) Belgium (3 contestants) Armenia (3 contestants) Switzerland (2 contestants) Serbia (2 contestants) Mexico (2 contestants) Lithuania (2 contestants) Latvia (2 contestants) Jordan (2 contestants) Denmark (2 contestants) Argentina (2 contestants) Venezuela (1 contestant) Slovenia (1 contestant) Philippines (1 contestant) Namibia (1 contestant) Austria (1 contestant) |