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全部文章 / C （共10篇）

还是畅通工程

某省调查乡村交通状况，得到的统计表中列出了任意两村庄间的距离。省政府“畅通工程”的目标是使全省任何两个村庄间都可以实现公路交通（但不一定有直接的公路相连，只要能间接通过公路可达即可），并要求铺设的公路总长度为最小。请计算最小的公路总长度。 Input 测试输入包含若干测试用例。每个测试用例的第...

C 并查集

2018-10-31

0 571

Connect the Cities

In 2100, since the sea level rise, most of the cities disappear. Though some survived cities are still connected with others, but most of them become ...

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2018-11-01

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畅通工程

省政府“畅通工程”的目标是使全省任何两个村庄间都可以实现公路交通（但不一定有直接的公路相连，只要能间接通过公路可达即可）。经过调查评估，得到的统计表中列出了有可能建设公路的若干条道路的成本。现请你编写程序，计算出全省畅通需要的最低成本。 Input 测试输入包含若干测试用例。每个测试用例的第1...

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2018-10-31

0 460

畅通工程再续

相信大家都听说一个“百岛湖”的地方吧，百岛湖的居民生活在不同的小岛中，当他们想去其他的小岛时都要通过划小船来实现。现在政府决定大力发展百岛湖，发展首先要解决的问题当然是交通问题，政府决定实现百岛湖的全畅通！经过考察小组RPRush对百岛湖的情况充分了解后，决定在符合条件的小岛间建上桥，所谓符合条件，...

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2018-10-31

0 561

How Many Tables

Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner time. Ignatius wants to know how many tables he needs at least. You have to ...

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2018-10-31

0 554

Constructing Roads

There are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can connect to each other. We say t...

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2018-11-01

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Jungle Roads

The Head Elder of the tropical island of Lagrishan has a problem. A burst of foreign aid money was spent on extra roads between villages some years ag...

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2018-11-01

0 621

Farm Irrigation

Benny has a spacious farm land to irrigate. The farm land is a rectangle, and is divided into a lot of samll squares. Water pipes are placed in these ...

C 并查集 DFS

2018-11-01

0 467

find the most comfortable road

XX星有许多城市，城市之间通过一种奇怪的高速公路SARS(Super Air Roam Structure---超级空中漫游结构）进行交流，每条SARS都对行驶在上面的Flycar限制了固定的Speed，同时XX星人对 Flycar的“舒适度”有特殊要求，即乘坐过程中最高速度与最低速度的差越小乘坐越...

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2018-11-01

0 499

Agri-Net

Farmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivity to all farms in the area. He needs you...

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2018-11-02

0 611