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。TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。2 _4 U y6 X6 ^
5 F, j5 K, \8 n9 W+ y2 M8 `os.tvboxnow.comi don't get it.. how to pick someone to record it.. when there is only 1 person allow to go out each day..and he/she will lock up later |