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

來源: 2010-06-22 16:59:12 [舊帖] [給我悄悄話] 本文已被閱讀:

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