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他妈的测试数据太弱了,O(n^2)居然都可以过！！！In Reply To:Re:这个题好象没有人问~不好意思,能不能给个提示! Posted by:atlas_of_rruucc at 2004-09-12 22:56:23 > 这样是比较慢 > 可以考虑先把点按Y值从大到小排序 > 然后从大到小扫描一边 > 扫描时如果该点X值大于之前X的最大值答案就加1 > Followed by: Post your reply here: |
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