Yxter - 博客园

ZOJ 3211 Dream City(线性DP)

摘要： JAVAMAN is visiting Dream City and he sees a yard of gold coin trees. There are n trees in the yard. Let's call them tree 1, tree 2 ...and tree n. At 阅读全文

posted @ 2017-02-15 14:05 Yxter 阅读(246) 评论(0) 推荐(0) 编辑

ZOJ 3207 80ers' Memory（strcmp函数的用法）

摘要： I guess most of us are so called 80ers, which means that we were born in the 1980's. This group of people shared a lot of common memories. For example 阅读全文

posted @ 2017-02-15 14:00 Yxter 阅读(246) 评论(0) 推荐(0) 编辑

ZOJ 3203 Light Bulb（数学对勾函数）

摘要： Compared to wildleopard's wealthiness, his brother mildleopard is rather poor. His house is narrow and he has only one light bulb in his house. Every 阅读全文

posted @ 2017-02-15 13:57 Yxter 阅读(564) 评论(0) 推荐(0) 编辑

ZOJ 3204 Connect them（最小生成树+最小字典序）

摘要： You have n computers numbered from 1 to n and you want to connect them to make a small local area network (LAN). All connections are two-way (that is 阅读全文

posted @ 2017-02-15 13:53 Yxter 阅读(317) 评论(0) 推荐(0) 编辑

HDU 1561 The more, The Better（树形DP+01背包）

摘要： The more, The Better Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description ACboy很喜欢玩一种战略游戏，在一个地图上，有N座城堡，每座城堡都有一定的宝物，在每次游戏中ACboy 阅读全文

posted @ 2017-02-12 18:44 Yxter 阅读(167) 评论(0) 推荐(0) 编辑

HDU 1520 Anniversary party（树形DP）

摘要： Anniversary party Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description There is going to be a party to celebrate the 80-th Ann 阅读全文

posted @ 2017-02-12 18:41 Yxter 阅读(159) 评论(0) 推荐(0) 编辑

HDU 1011 Starship Troopers(树形DP)

摘要： Starship Troopers Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description You, the leader of Starship Troopers, are sent to destr 阅读全文

posted @ 2017-02-12 18:36 Yxter 阅读(286) 评论(0) 推荐(0) 编辑

ZOJ 3498 Javabeans(找规律）

摘要： Javabeans are delicious. Javaman likes to eat javabeans very much. Javaman has n boxes of javabeans. There are exactly i javabeans in the i-th box (i 阅读全文

posted @ 2017-02-10 15:45 Yxter 阅读(205) 评论(0) 推荐(0) 编辑

ZOJ 3490 String Successor(字符串处理)

摘要： The successor to a string can be calculated by applying the following rules: Ignore the nonalphanumerics unless there are no alphanumerics, in this ca 阅读全文

posted @ 2017-02-10 15:23 Yxter 阅读(346) 评论(0) 推荐(0) 编辑

ZOJ 3488 Conic Section

摘要： The conic sections are the nondegenerate curves generated by the intersections of a plane with one or two nappes of a cone. For a plane perpendicular 阅读全文

posted @ 2017-02-10 14:12 Yxter 阅读(150) 评论(0) 推荐(0) 编辑