数据：

10000000 1
1 10000

题解名单：

https://www.luogu.com.cn/blog/shenyun/solution-p1616
https://www.luogu.com.cn/blog/PandaStudioblog/solution-p1616
https://www.luogu.com.cn/blog/SSL-XXY/solution-p1616
https://www.luogu.com.cn/blog/smallfat/solution-p1616
https://www.luogu.com.cn/blog/user25265/solution-p1616
https://williamllk.blog.luogu.org/solution-p1616
https://www.luogu.com.cn/blog/qrh484462910/wu-xian-bei-bao
https://www.luogu.com.cn/blog/qiyuecanyon/solution-p1616
https://www.luogu.com.cn/blog/Minagami-Yuki/ti-xie-p1616-feng-kuang-di-cai-yao
https://www.luogu.com.cn/blog/wxw/solution-p1616
https://www.luogu.com.cn/blog/NEONE/solution-p1616
https://www.luogu.com.cn/blog/zhdx/solution-p1616
https://www.luogu.com.cn/blog/hyzxxqc-blog/solution-p1616
https://www.luogu.com.cn/blog/user16864/solution-p1616
https://www.luogu.com.cn/blog/user52066/solution-p1616
https://www.luogu.com.cn/blog/user38945/solution-p1616
https://www.luogu.com.cn/blog/user50269/solution-p1616
https://www.luogu.com.cn/blog/user36507/solution-p1616
https://www.luogu.com.cn/blog/user5584/solution-p1616
https://www.luogu.com.cn/blog/user20668/solution-p1616
https://www.luogu.com.cn/blog/user36365/solution-p1616
https://www.luogu.com.cn/blog/user14738/solution-p1616
https://www.luogu.com.cn/blog/user33733/solution-p1616
https://www.luogu.com.cn/blog/fiend-witch/solution-p1616
https://www.luogu.com.cn/blog/user17939/solution-p1616
https://www.luogu.com.cn/blog/kevinshuai/solution-p1616
https://sundy.blog.luogu.org/solution-p1616
https://www.luogu.com.cn/blog/user9806/solution-p1616
https://12349.blog.luogu.org/solution-p1616
https://www.luogu.com.cn/blog/user14380/solution-p1616

原因：答案炸int