tvb now,tvbnow,bttvb,tv series,tv drama,movie,bt,download- M u! [! N% _7 @公仔箱論壇/ B) l1 k4 H- U5 P7 v! j/ C
210.6.90.151 H; Y- n+ `4 E" w$ ^, E
( O3 L- b, J2 l0 v; vtvb now,tvbnow,bttvb# U+ l+ M0 D1 m. S6 [5 }) M5.39.217.77$ ^$ R+ Q- a3 A4 r! r3 {
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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' `; J9 \" G. I/ l7 K+ s5.39.217.77Can 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! 5.39.217.776 `- D# L# ^/ C- e$ R" o* @
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! |