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2017年3月22日

hdu4424 Conquer a New Region 并查集/类似最小生成树

摘要： The wheel of the history rolling forward, our king conquered a new region in a distant continent.There are N towns (numbered from 1 to N) in this regi 阅读全文

posted @ 2017-03-22 09:49 奚政阅读(324) 评论(0) 推荐(0)

hdu4407 Sum 容斥原理

摘要： XXX is puzzled with the question below: 1, 2, 3, ..., n (1<=n<=400000) are placed in a line. There are m (1<=m<=1000) operations of two kinds.Operatio 阅读全文

posted @ 2017-03-22 09:34 奚政阅读(238) 评论(0) 推荐(0)

hdu4338 Simple Path

摘要： Everybody knows that totalfrank has absolutely no sense of direction. Getting lost in the university or nearly supermarket is very common for him. We 阅读全文

posted @ 2017-03-22 09:32 奚政阅读(260) 评论(0) 推荐(0)

hdu4336 Card Collector 容斥原理

摘要： In your childhood, do you crazy for collecting the beautiful cards in the snacks? They said that, for example, if you collect all the 108 people in th 阅读全文

posted @ 2017-03-22 09:26 奚政阅读(202) 评论(0) 推荐(0)

hdu4300 Clairewd’s message 扩展KMP

摘要： Clairewd is a member of FBI. After several years concealing in BUPT, she intercepted some important messages and she was preparing for sending it to y 阅读全文

posted @ 2017-03-22 09:24 奚政阅读(193) 评论(0) 推荐(0)

hdu4292 Food 最大流

摘要： You, a part-time dining service worker in your college’s dining hall, are now confused with a new problem: serve as many people as possible. The issue 阅读全文

posted @ 2017-03-22 09:17 奚政阅读(247) 评论(0) 推荐(0)

hdu4289 Control 最大流最小割

摘要： You, the head of Department of Security, recently received a top-secret information that a group of terrorists is planning to transport some WMD 1 fro 阅读全文

posted @ 2017-03-22 09:01 奚政阅读(157) 评论(0) 推荐(0)

hdu4280 Island Transport 最大流

摘要： In the vast waters far far away, there are many islands. People are living on the islands, and all the transport among the islands relies on the ships 阅读全文

posted @ 2017-03-22 08:55 奚政阅读(298) 评论(0) 推荐(0)

hdu4135 Co-prime 容斥原理

摘要： Given a number N, you are asked to count the number of integers between A and B inclusive which are relatively prime to N.Two integers are said to be 阅读全文

posted @ 2017-03-22 08:49 奚政阅读(154) 评论(0) 推荐(0)

hdu4059 The Boss on Mars 容斥原理

摘要： On Mars, there is a huge company called ACM (A huge Company on Mars), and it’s owned by a younger boss.Due to no moons around Mars, the employees can 阅读全文

posted @ 2017-03-22 08:47 奚政阅读(202) 评论(0) 推荐(0)

2017年3月22日

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