Round 1A: Numbers
577 correct small sets and 96 correct large sets. View problem statement or contest analysis.
Compact solutions
 crem in Perl (167 B) talchas in Shell (211 B) bee in Python (250 B) azd in Perl (259 B) gnibbler in Python (260 B) elachuni in Python (262 B) kp7 in Shell (263 B) Jihyun in Python (264 B) | Zhuojie in C++ (271 B) nbk in Python (278 B) ssaljalu in Python (284 B) mozeda in C++ (290 B) uru in Ruby (300 B) kwmanto in C (303 B) Eddie in Python (304 B) BrianR in Shell (317 B) | DDPAlphaTiger1 in PHP (317 B) dkasper in Python (319 B) C.A. in C++ (331 B) cjoa in Perl (338 B) TheRaven in Perl (342 B) jnst in bc (344 B) eMBe in Python (347 B) narri in Python (353 B) |
Solved in...
| C++ (371 sets) Java (116 sets) Python (64 sets) C (24 sets) Perl (23 sets) C# (16 sets) PHP (11 sets) | Pascal (10 sets) Ruby (8 sets) Haskell (7 sets) Shell (4 sets) Mathematica (3 sets) PL/SQL (2 sets) Visual Basic (2 sets) | bc (1 set) J (1 set) Lisp (1 set) Lua (1 set) MATLAB (1 set) R (1 set) |
Submission Origin
| China (178 contestants) United States (113 contestants) Russia (37 contestants) Brazil (22 contestants) Australia (18 contestants) Argentina (15 contestants) Ukraine (14 contestants) Poland (13 contestants) Japan (13 contestants) Canada (13 contestants) India (12 contestants) South Korea (11 contestants) Taiwan (9 contestants) Colombia (9 contestants) Singapore (7 contestants) Mexico (7 contestants) Slovakia (6 contestants) New Zealand (6 contestants) | Germany (6 contestants) Venezuela (5 contestants) Thailand (5 contestants) Hong Kong (5 contestants) United Kingdom (4 contestants) Switzerland (3 contestants) Israel (3 contestants) Indonesia (3 contestants) Georgia (3 contestants) France (3 contestants) Egypt (3 contestants) Belarus (3 contestants) Spain (2 contestants) South Africa (2 contestants) Romania (2 contestants) Portugal (2 contestants) Peru (2 contestants) Vietnam (1 contestant) | Slovenia (1 contestant) Serbia and Montenegro (1 contestant) Saudi Arabia (1 contestant) Palestinian Territory (1 contestant) Norway (1 contestant) Malaysia (1 contestant) Macedonia (1 contestant) Latvia (1 contestant) Finland (1 contestant) Estonia (1 contestant) Dominican Republic (1 contestant) Croatia (1 contestant) Chile (1 contestant) Cambodia (1 contestant) Bulgaria (1 contestant) Bolivia (1 contestant) Bangladesh (1 contestant) |