problem on 217A Div 1?

Правка en1, от Vesper_Lynd, 2018-05-17 15:39:34

can anybody explain the question in breif , i have tried reading the editorial but failed to understand,it would be helpful if someone just give me a slight idea what the question demands? here is the question link: http://mirror.codeforces.com/problemset/problem/217/A

История

 
 
 
 
Правки
 
 
  Rev. Язык Кто Когда Δ Комментарий
en1 Английский Vesper_Lynd 2018-05-17 15:39:34 286 Initial revision (published)