Help in CF 687B

Revision en1, by kittyK, 2020-08-03 06:29:09

Can anyone explain how to solve this 687B - Remainders Game . I don't understand how to come with ideas for such problems and I did not understand the editorial well.

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en1 English kittyK 2020-08-03 06:29:09 173 Initial revision (published)