rt。抄袭题解。
https://www.luogu.com.cn/record/98989240 抄袭 https://www.luogu.com.cn/blog/I-am/solution-p1775
https://www.luogu.com.cn/record/99033235 抄袭 https://www.luogu.com.cn/blog/user36788/solution-p2758
https://www.luogu.com.cn/record/99240945 抄袭 https://www.luogu.com.cn/blog/dingcx-juruo/solution-p1080
另外,用户名。
注:为看他有没有抄题解我复制了2题(不然看不到代码),请不要在意。