12 2018 档案

摘要:A Ehab and another constriction problem https://codeforc.es/contest/1088/problem/A 题意:给定一个数$x$找两个在$1$~$x$之间的数$a$和$b$,$b$是$a$的因子,$a*b > x, \frac{a}_{b} 阅读全文
posted @ 2018-12-11 21:13 wyboooo 阅读(182) 评论(0) 推荐(0) 编辑