回复:有点问题吧
来源:
botong
于
2009-07-27 11:01:10
[
博客
] [
旧帖
] [
给我悄悄话
] 本文已被阅读:次
Don't count the way beyond the point. Actually,
The statement should be:
Given a point p between 0 and s = a_1+a_2+...a_n, it
has at most (n-1)! + 1 ways to reach
Sorry for any confusion.