2018年2月8日
【数论】HDU4135：Co-prime
摘要： 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 integers ar 阅读全文
posted @ 2018-02-08 16:52 听风不成泣 阅读(176) 评论(0) 推荐(0) 编辑