2016年4月3日
CA Loves GCD
摘要： Problem Description CA is a fine comrade who loves the party and people; inevitably she loves GCD (greatest common divisor) too. Now, there are N diff 阅读全文
posted @ 2016-04-03 00:59 卷珠帘 阅读(322) 评论(0) 推荐(1)