tvb now,tvbnow,bttvb,tv series,tv drama,movie,bt,download- M u! [! N% _7 @公仔箱論壇3 W7 f, L1 s* y( \
210.6.90.151 H; Y- n+ `4 E" w$ ^, ETVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。* `9 F- z) w- o) [) E% z* T# m* ]
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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。
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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!
* F1 r* c' u4 F, U/ ?. j( y! w& O& }% Wtvb now,tvbnow,bttvbplease 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! |