摘要: 2016 Hunan Province Programming Contest A. 2016 题意 $1 \le a \le n, 1 \le b \le m$ ,其中$1 \le n,m \le 10^9$ 求正整数$(a,b)$对的数量,满足$ab \% 2016 = 0$ 思路 $2016= 阅读全文
posted @ 2016-09-06 23:47 mcginn 阅读(170) 评论(0) 推荐(0) 编辑