摘要: YY的GCD Description 求1<=x<=N, 1<=y<=M且gcd(x, y)为质数的(x, y)有多少对k。 求1<=x<=N, 1<=y<=M且gcd(x, y)为质数的(x, y)有多少对k。 求1<=x<=N, 1<=y<=M且gcd(x, y)为质数的(x, y)有多少对k。 阅读全文
posted @ 2017-04-05 16:47 BearChild 阅读(157) 评论(0) 推荐(0) 编辑