tvb now,tvbnow,bttvb,tv series,tv drama,movie,bt,download- M u! [! N% _7 @5.39.217.77:8898: e" b( F. q# J( [' V- G: f
210.6.90.151 H; Y- n+ `4 E" w$ ^, E
' V1 x+ t6 [! e- J7 j Y5.39.217.77:8898# U+ l+ M0 D1 m. S6 [5 }) M
3 L$ A) d+ B9 H! H0 X) E8 f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。% s h; `7 o4 V* W' K
/ ?3 M! m% F& Y8 }; s( VCan 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 Y6 _$ x8 r% ctvb 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! |
發表於 2009-1-10 12:57 PM
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from 2009-1-6 , I got it!
