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Re:样例就是，右边的外围墙的中点和目标点的连线穿过两条线段。所以不能只看中点。你可以从外围墙的任意位置进去。In Reply To:样例就是，右边的外围墙的中点和目标点的连线穿过两条线段。所以不能只看中点。你可以从外围墙的任意位置进去。 Posted by:bsshanghai at 2011-08-20 09:38:39 是指枚举四周被截出的所有小的线段的中点 Followed by: Post your reply here: |
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