tvb now,tvbnow,bttvb,tv series,tv drama,movie,bt,download- M u! [! N% _7 @
" U/ y* W' T+ g5 e: \+ {% ?210.6.90.151 H; Y- n+ `4 E" w$ ^, E
/ X. P# g v8 f- L1 W4 Z& s公仔箱論壇# U+ l+ M0 D1 m. S6 [5 }) M公仔箱論壇3 n; y, H2 u, m
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。公仔箱論壇2 \. W% P. m) M; U% i d' z
& [. t+ Y( F- y6 e/ eCan 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! % Q- K& Z* n4 g1 L8 c' u+ S* 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! |