回复：说一下我的解法

来源: 于 2008-11-07 14:37:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

I have a question, if the mouse run straight from A to B, then the cat could run the short circle to B too so cat only need to run pi - theta not pi+theta.