https://www.luogu.com.cn/blog/ShanXian/solution-p1407 https://www.luogu.com.cn/record/109936828

https://www.luogu.com.cn/blog/user277/solution-p1407 没代码，但是他的最后一条AC记录（后面给三个链接的同此处）https://www.luogu.com.cn/record/10127 https://www.luogu.com.cn/record/109937754

https://www.luogu.com.cn/blog/user3116/solution-p1407 https://www.luogu.com.cn/record/109938955

https://www.luogu.com.cn/blog/user11765/solution-p1407 https://www.luogu.com.cn/record/1013465 https://www.luogu.com.cn/record/109939285

https://www.luogu.com.cn/blog/14378/solution-p1407 https://www.luogu.com.cn/record/109939604

https://www.luogu.com.cn/blog/chenleyu/solution-p1407 https://www.luogu.com.cn/record/109941466

https://www.luogu.com.cn/blog/user30219/solution-p1407 https://www.luogu.com.cn/record/109941392

https://fcayh.blog.luogu.org/solution-p1407 https://www.luogu.com.cn/record/109940258

https://www.luogu.com.cn/blog/user25426/solution-p1407 https://www.luogu.com.cn/record/109940400

https://www.luogu.com.cn/blog/lengyanze/solution-p1407 https://www.luogu.com.cn/record/109940531

https://www.luogu.com.cn/blog/user27370/solution-p1407 https://www.luogu.com.cn/record/109940683

附注：这题之前是不是叫【P1404 工资】？