tvb now,tvbnow,bttvb,tv series,tv drama,movie,bt,download- M u! [! N% _7 @5.39.217.77:8898: s9 t+ S# P/ ], [
210.6.90.151 H; Y- n+ `4 E" w$ ^, E2 w* j4 H& X7 n- a! D
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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。5.39.217.77:8898+ ^) ]2 p9 k/ \( e' p0 i. S
tvb now,tvbnow,bttvb2 ?1 g0 V4 t9 q7 U
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! 5.39.217.77:8898- F2 O8 {) q y& Z% @6 c
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!
tvb now,tvbnow,bttvb( b; X+ v& |5 @- r9 S+ i6 ^ C. |
