Can't get the idea for tricky problem from Petrozavodsk 2014
Difference between ru1 and en1, changed 207 character(s)
Solving the contest from gym I found the problem I even don't know how to approach. The problem is here: http://mirror.codeforces.com/gym/100451/problem/G

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English LightRay 2017-05-10 22:09:12 2
en1 English LightRay 2017-05-10 21:50:33 207 Initial revision for English translation
ru1 Russian LightRay 2017-05-10 21:50:06 207 Первая редакция (опубликовано)