n<=m+1,n=even,m=n-1,n=odd,m=n,I think.

来源: 于 2010-06-22 16:59:12 [旧帖] [给我悄悄话] 本文已被阅读：次

so,n=10,m=9,n=15,m=15.
I try as this Q at here too long.