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我把两两线段的交点都求出来了，成为一张图，然后按照规则在图中走了一遍。官方数据跑了我2秒钟。主要慢在建图那一步，要花O(常数 * N^2)的时间。In Reply To:我硬走超时了。有什么特殊的算法或方法吗？ Posted by:ImLazy at 2006-12-10 00:25:33 Followed by: Post your reply here: |
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