申屠志刚

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全部文章 / C （共128篇）

Color the ball

N个气球排成一排，从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽"牌电动车从气球a开始到气球b依次给每个气球涂一次颜色。但是N次以后lele已经忘记了第I个气球已经涂过几次颜色了，你能帮他算出每个气球被涂过几次颜色吗？ ...

C 树状数组线段树

2018-11-02

0 558

树状数组

lowbit函数这里我们先不管树状数组这种数据结构到底是什么，先来了解下lowbit这个函数，你也先不要问这个函数到底在树状数组中有什么用；顾名思义，lowbit这个函数的功能就是求某一个数的二进制表示中最低的一位1，举个例子，x = 6，它的二进制为110，那么lowbit(x)就返回2，因...

C 树状数组数据结构

2018-11-02

0 533

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...

C 并查集

2018-11-02

0 611

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...

C 并查集

2018-11-01

0 499

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

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...

C 并查集

2018-11-01

0 621

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 ...

C 并查集

2018-11-01

0 0

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...

C 并查集

2018-11-01

0 0

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 ...

C 并查集

2018-10-31

0 554

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，...

C 并查集

2018-10-31

0 561