Help needed in google kickstart Round B problem

Revision en1, by Yellow.Flash, 2017-05-15 14:05:16

I need help in the problem : problem B — center
Someone please share idea on how to solve it.
Thanks

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en1 English Yellow.Flash 2017-05-15 14:05:16 226 Initial revision (published)