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摘要: Prime TestTime Limit:6000MSMemory Limit:65536KTotal Submissions:29046Accepted:7342Case Time Limit:4000MSDescriptionGiven a big integer number, you are... 阅读全文
posted @ 2014-09-02 22:55 北岛知寒 阅读(180) 评论(0) 推荐(0)
摘要: 题目链接:http://acm.nefu.edu.cn/JudgeOnline/problemshow.phpMean:略。analyse:刚开始想了半天都没想出来,数据这么大,难道是有什么公式?首先我们要知道一点:n!里面所有的0都是2*5得来的,而且不管怎样2的数量一定是>5的数量,所以我们只需... 阅读全文
posted @ 2014-09-02 16:32 北岛知寒 阅读(186) 评论(0) 推荐(0)
摘要: Prime DistanceTime Limit:1000MSMemory Limit:65536KTotal Submissions:12512Accepted:3340DescriptionThe branch of mathematics called number theory is abo... 阅读全文
posted @ 2014-09-02 16:13 北岛知寒 阅读(169) 评论(0) 推荐(0)