RT

https://www.luogu.com.cn/blog/shenyuke/p5270-wu-lun-zen-yang-shen-shu-tai-ren-du-kuai-shan-ku-pao-lu

提交过不了sub4

https://www.luogu.com.cn/blog/ConorGallagher23/solution-p5270

被第一篇叉掉了

1 3 10
1 1 1
1 1
1
1

ans:8

wrong:0