这个人在此贴尝试发明n^2矩乘失败，我认为很离谱，所以浪费了一点时间翻了翻他的提交记录，可惜找了几篇全是抄了题解，希望管理赶紧给他棕名，谢谢。

https://www.luogu.com.cn/record/81583620

https://www.luogu.com.cn/blog/liudao-sasuke/solution-p2678

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https://www.luogu.com.cn/record/80299745

https://www.luogu.com.cn/blog/chick/solution-p1379

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https://www.luogu.com.cn/record/82148453

https://www.luogu.com.cn/blog/niiick/solution-p2324

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https://www.luogu.com.cn/record/81729174

https://www.luogu.com.cn/blog/_post/192051