2013年11月27日
Choosing number 写出递推公式，然后用矩阵的快速幂。
摘要： DescriptionThere arenpeople standing in a row. And There aremnumbers, 1.2...m. Every one should choose a number. But if two persons standing adjacent to each other choose the same number, the number shouldn't equal or less thank. Apart from this rule, there are no more limiting conditions.And yo 阅读全文
posted @ 2013-11-27 20:07 persistent codeants 阅读(165) 评论(0) 推荐(0)
D - Digging 01背包问题
摘要： DescriptionWhen it comes to theMaya Civilization, we can quickly remind of a term called the end of the world. It's not difficult to understand why we choose to believe the prophecy (or we just assume it is true to entertain ourselves) if you know the other prophecies appeared in theMaya Calenda 阅读全文
posted @ 2013-11-27 16:03 persistent codeants 阅读(187) 评论(0) 推荐(0)
E - Cup 3 dp记忆化搜索
摘要： DescriptionThe 2012 Europe Cup was over and Spain won the Championship. The fans of Spain want to hold some activities to celebrate. But there is a question. Some of them are the fans of F.C Barcelona and the others are Real Madrid. It is well-known that the relation of these two clubs is very bad. 阅读全文
posted @ 2013-11-27 13:19 persistent codeants 阅读(180) 评论(0) 推荐(0)