tvb now,tvbnow,bttvb,tv series,tv drama,movie,bt,download- M u! [! N% _7 @
6 K# B x$ K7 a$ A) Qtvb now,tvbnow,bttvb210.6.90.151 H; Y- n+ `4 E" w$ ^, E
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0 ]! o1 t* k! F# s/ y7 d5 z/ K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。5.39.217.76# b4 {: r; i4 O# t7 o1 [
" ]0 y8 \& m; B$ q; g/ pCan 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!
0 ^( [8 K. n6 `. P4 x' f& w- ]" Fplease 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!
