摘要: ##C. Floor and Mod ##https://codeforces.com/contest/1485/problem/C ###题意 给出x和y,求出满足 \(1<=a<=x, 1<=b<=y, a / b = a mod b\) 条件的$(a,b)$数量(此处 \(/\) 指的是向下取 阅读全文
posted @ 2021-07-21 22:26 !^^! 阅读(96) 评论(0) 推荐(0)