tvb now,tvbnow,bttvb,tv series,tv drama,movie,bt,download- M u! [! N% _7 @TVBNOW 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。- \+ [4 D. ^* f# {: e* L2 O
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5 }4 S$ L0 _; o5 s6 r( N! w6 n4 T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! 3 F" _) v: Z( d1 R$ z; a9 @6 k
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
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from 2009-1-6 , I got it!
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