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搜索关键字:constructing roads    ( 767个结果
codeforces E. Famil Door and Roads 期望
一棵树,n个节点,边长为1,有q个询问,每个询问给出u,v(u != v),问在树上等概率加一条边,如果使得u,v在一个环内,则这种加边方式是合法的,此时的值为环的长度,所有合法的加边方式出现的概率相等,问值的期望。 2 <= n,m <= 10^5 对于u,v原来路径上的边一定在环内,贡献为1,新 ...
分类:其他好文   时间:2017-01-05 22:34:19    阅读次数:266
HDU--1301--Jungle Roads(最小生成树)
Problem Description The Head Elder of the tropical island of Lagrishan has a problem. A burst of foreign aid money was spent on extra roads between vi... ...
分类:其他好文   时间:2016-12-30 01:51:53    阅读次数:186
HDU1102--Constructing Roads(最小生成树)
Problem Description 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 ...
分类:其他好文   时间:2016-12-29 23:19:11    阅读次数:227
openjudge ROADS
726:ROADS 726:ROADS 总时间限制:1000ms内存限制:65536kB描述N cities named with numbers 1 ... N are connected with one-way roads. Each road has two parameters assoc ...
分类:其他好文   时间:2016-12-24 20:50:48    阅读次数:196
Constructing Roads(最小生成树)
Constructing Roads Problem Description There are N villages, which are numbered from 1 to N, and you should build some roads such that every two villa ...
分类:其他好文   时间:2016-12-07 23:42:45    阅读次数:197
软件架构、框架、模式、模块、组件、插件概念汇总
术语英文解释中文解释架构architecture:Architecture is the art of planning, designing, and constructing buildings. 架构名词起源于建筑,没有明确标准的定义描述,不同人基于经验对它理解也多少会有差异。实际上架构就是指... ...
分类:其他好文   时间:2016-12-04 07:09:49    阅读次数:158
POJ2455Secret Milking Machine[最大流 无向图 二分答案]
Secret Milking Machine Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11865 Accepted: 3445 Description Farmer John is constructing a new m ...
分类:系统相关   时间:2016-11-25 22:58:16    阅读次数:298
BZOJ 1123: [POI2008]BLO
1123: [POI2008]BLO Description Byteotia城市有n个 towns m条双向roads. 每条 road 连接 两个不同的 towns ,没有重复的road. 所有towns连通。 Byteotia城市有n个 towns m条双向roads. 每条 road 连接 ...
分类:其他好文   时间:2016-11-23 07:28:16    阅读次数:193
BZOJ 1116: [POI2008]CLO
1116: [POI2008]CLO Description Byteotia城市有n个 towns m条双向roads. 每条 road 连接 两个不同的 towns ,没有重复的road. 你要把其中一些road变成单向边使得:每个town都有且只有一个入度 Byteotia城市有n个 town ...
分类:其他好文   时间:2016-11-23 07:18:25    阅读次数:149
hdu 1301
最小生成树prime算法 Jungle Roads Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7013 Accepted Submissio ...
分类:其他好文   时间:2016-11-18 06:34:51    阅读次数:193
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