Problems like it

Revision en1, by StlenHandle, 2017-08-03 17:52:21

Hello Codeforces !!!

Does anyone know what have a Codeforces problems like it : 2

All vertices have only one son, expect root

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English StlenHandle 2017-08-03 17:58:14 4 Tiny change: 'ne son, expect root \n' -> 'ne son, except root \n'
en1 English StlenHandle 2017-08-03 17:52:21 203 Initial revision (published)