相关链接
题目传送门:https://arena.topcoder.com/#/u/practiceCode/15635/31726/12518/1/317131
神犇题解:http://picks.logdown.com/posts/208980-solutions-to-topcoder-open-2013s-hard-problems
解题报告
当然这题还可以$O(n^4)$分类讨论
也可以$O(n^2 \cdot 2^4)$容斥
topcoder_LitPanels
题目传送门:https://arena.topcoder.com/#/u/practiceCode/15635/31726/12518/1/317131
神犇题解:http://picks.logdown.com/posts/208980-solutions-to-topcoder-open-2013s-hard-problems
当然这题还可以$O(n^4)$分类讨论
也可以$O(n^2 \cdot 2^4)$容斥
topcoder_LitPanels
楼下是疯子。哈哈
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