2018年5月9日
[数论][容斥原理]Co-prime
摘要： Problem Description Given a number N, you are asked to count the number of integers between A and B inclusive which are relatively prime to N.Two inte 阅读全文
posted @ 2018-05-09 18:03 l..q 阅读(190) 评论(0) 推荐(0)