摘要: E. Mocha and Stars https://codeforces.com/contest/1559/problem/E 题目描述 题目给出一个长度为$n$的序列的定义: \(\sum_{i = 1}^na_i <= m\) \(gcd(a_1,\cdots,a_n) = 1\) 同时给出 阅读全文
posted @ 2021-09-05 13:36 !^^! 阅读(66) 评论(0) 推荐(0) 编辑