Not getting problem D of yesterday's round .

Правка en1, от vintage_Petr_Mitrichev, 2019-02-08 13:09:09

Hello , can anyone please clarify what the author is saying in editorial of problem d . I am not getting the dp state . how to think it recursively ?

why is author taking at most case ? what it mean ?

История

 
 
 
 
Правки
 
 
  Rev. Язык Кто Когда Δ Комментарий
en1 Английский vintage_Petr_Mitrichev 2019-02-08 13:09:09 343 Initial revision (published)