Ciyeblog - gcd(x,y)=1，l<=x,y<=r，求x,y使得|x-y|最大的评论

Ciyeblog - gcd(x,y)=1，l<=x,y<=r，求x,y使得|x-y|最大的评论相关题目：[Problem - D - Codeforces](https://codeforces.com/contest/2043/problem/D "Problem - D - Co... 1970-01-01T08:00:00+08:00 Typecho https://www.ciyekua.cn/index.php/feed/atom/diary/160.html