tvb now,tvbnow,bttvb,tv series,tv drama,movie,bt,download- M u! [! N% _7 @
$ n; v& l7 ^5 ~# `" h: U" v210.6.90.151 H; Y- n+ `4 E" w$ ^, E
1 k' L: J7 ?' T" Z: X0 k c5.39.217.77# U+ l+ M0 D1 m. S6 [5 }) M
7 I3 K6 L D+ ^+ X; D- ^8 G" @答案：选一个囚犯出来负责关灯，其余的负责开灯，而且每人只能开一次，当这个囚犯关够99次的时候，就知道所有的囚犯都来过院子了。3 ? k7 |( w( \2 d) j0 w% T
tvb now,tvbnow,bttvb- u: G& T' \% d9 c6 k
Can you make sure that is only 2 or 4 or 6......... to open the lamp? otherwise, the others do not know what station of the lamp! , ?9 ^% P: ^4 t; f
please see: jar 2009-01-07 my option: all can see and say the lamp is "on" that can sure everyboby have been to the gardon! |
發表於 2009-1-10 12:57 PM
| 
from 2009-1-6 , I got it!
