easy la 3 o/ s2 z c& z! ftvb now,tvbnow,bttvbthe last with has the number in form of 2^n and has the biggest n among all0 }$ P+ A) W' S+ @1 c$ w% L
i.e 65536 = 2^16
easy la : O* w+ y: P; X! z3 |5 d xthe last person must has the number in form of 2^n and has the biggest n among alltvb now,tvbnow,bttvb6 |) a9 ^* [+ p: U
i.e 65536 = 2^16