2018年10月31日
Co-prime(容斥原理+筛一个数的素因子)
摘要： Co-prime HDU - 4135 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 int 阅读全文
posted @ 2018-10-31 19:26 *starry* 阅读(624) 评论(0) 推荐(0) 编辑