Help in Atcoder Problem

Revision en1, by Lets__go, 2019-11-22 18:22:51

Can some one help me on how to solve this problem?

Editorial is given in Japanese, i used google translater to understand it but some sentence doesn't make any sense to me and i couldn't understand solution from editorial.

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English Lets__go 2019-11-23 18:17:35 8
en1 English Lets__go 2019-11-22 18:22:51 303 Initial revision (published)