他本人AC了入门题3题，但黑题足足10题。且他抄得一字不差，注释都抄。
1
提交记录:https://www.luogu.com.cn/record/193175627
题解：https://www.luogu.com.cn/article/pqud2ca2
2
提交记录:https://www.luogu.com.cn/record/193822748
题解：https://www.luogu.com.cn/article/s6j3w7t2
3
提交记录:https://www.luogu.com.cn/record/193822631
题解：https://www.luogu.com.cn/article/7yw5ygds
4
提交记录:https://www.luogu.com.cn/record/193822873
题解：https://www.luogu.com.cn/article/bun7wi0k
5
提交记录:https://www.luogu.com.cn/record/193823551
题解：https://www.luogu.com.cn/article/ynu3hqeg
6
提交记录:https://www.luogu.com.cn/record/193823372
题解：https://www.luogu.com.cn/article/qpbhxdx7
7
提交记录:https://www.luogu.com.cn/record/193824952
题解：https://www.luogu.com.cn/article/pf2ogg68
8
提交记录:https://www.luogu.com.cn/record/193824882
题解：https://www.luogu.com.cn/article/n8d1xjxq
9
提交记录:https://www.luogu.com.cn/record/193824807
题解：https://www.luogu.com.cn/article/j7gdeddr