2014年10月13日
Codeforces Round #272 (Div. 1) A. Dreamoon and Sums（数论）
摘要： 题目链接Dreamoon loves summing up something for no reason. One day he obtains two integersaandboccasionally. He wants to calculate the sum of allniceinteg... 阅读全文
posted @ 2014-10-13 20:55 枫、 阅读(285) 评论(0) 推荐(0)