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Re:D怎么利用包含关系建树?In Reply To:D怎么利用包含关系建树? Posted by:blue_mary at 2008-11-30 23:32:33 把圆的最上一点和最下一点的纵坐标值取出来从大到小排序，然后从上往下扫一遍。这过程中会用到二分排序树。 Followed by: Post your reply here: |
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