Yes I know rand() creates 偽隨機數.

來源: 於 2006-12-01 13:42:43 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

I was talking merely about the concept of 隨機數. If it is a 隨機數, we should not add the restriction of "不重複?".