tvb now,tvbnow,bttvb,tv series,tv drama,movie,bt,download- M u! [! N% _7 @
5 n$ Y* ]. a5 Y公仔箱論壇210.6.90.151 H; Y- n+ `4 E" w$ ^, E5.39.217.770 C% `5 ^4 P! g6 R0 }# H3 Q
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; m- N) P" z! @7 {* h' v' Dtvb now,tvbnow,bttvb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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( k6 b' \, l: t+ n BCan 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! ; \2 A; h9 @! Q4 ^3 k$ [0 Y' m! b' j
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!
