随笔分类 -  差分,前缀和

摘要:HDU - 6760 Math is Simple (差分,莫比乌斯函数) 题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=6760 Problem Description Here is a simple math. You are given an 阅读全文
posted @ 2020-08-12 22:13 茄子Min 阅读(349) 评论(1) 推荐(2)