tvb now,tvbnow,bttvb,tv series,tv drama,movie,bt,download- M u! [! N% _7 @公仔箱論壇! ]$ D6 [. h9 y( T4 O
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6 @$ Y. U# @/ ~/ v, S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。tvb now,tvbnow,bttvb, |- B( e1 O! Y( e
/ E. {8 a# G( ^, _公仔箱論壇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!
6 q# O6 n; f( C; G5 A. c公仔箱論壇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! |