Help ?????

Revision en1, by _QWOiNYUIVMPFSBKLiGSMAP_, 2017-10-15 22:41:55

could any one please explain this problem solution to me

http://codeforces.com/contest/365/problem/C

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en1 English _QWOiNYUIVMPFSBKLiGSMAP_ 2017-10-15 22:41:55 162 Initial revision (published)