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Re:n==1特判了就错了。。为什么·In Reply To:n==1特判了就错了。。为什么· Posted by:Me1989 at 2010-08-02 10:14:12 > 当n==1时候特判成 YES，就错了。。。为什么？ 因为如果只有一条线段，那么这条线段在任何一条直线的投影线段不会与其它任何一条线段的投影线段有任何的公共点。 Followed by:
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