回复：SAP智力题-----A bum in wine cellars ★★★★★★★

来源: 于 2009-09-01 12:40:06 [旧帖] [给我悄悄话] 本文已被阅读：次

on day 6, for sure the police will find the bum in celler 2 or 8, or any date before that.

I don't understand why 999 is different?