摘要: Yet Another Counting Problem + 题目链接: "http://codeforces.com/contest/1342/problem/C" 涉及知识点: + 思维/数学 solution: + $找到所有的[L,R]区间的x,满足(x$%$a)$%$b \neq (x$% 阅读全文
posted @ 2020-04-27 08:36 QFNU-ACM 阅读(130) 评论(0) 推荐(0)