码迷,mamicode.com
首页 >  
搜索关键字:constructing roads    ( 767个结果
Building roads
Building roads Problem Description Farmer John's farm has N barns, and there are some cows that live in each barn. The cows like to drop around, so Jo ...
分类:其他好文   时间:2017-02-24 19:08:33    阅读次数:261
HDU 1102 Constructing Roads
http://acm.hdu.edu.cn/showproblem.php?pid=1102 题意: 有N个村庄,编号从1到N,你应该建立一些道路,使每两个村庄可以连接到彼此。我们说两个村庄A和B连接,当且仅当在A和B之间有道路,或者存在一个村庄C,使得在A和C之间有道路,并且C和B连接。我们知道, ...
分类:其他好文   时间:2017-02-10 17:43:54    阅读次数:168
POJ 3411 Paid Roads(DFS)
【题目链接】 http://poj.org/problem?id=3411 【题目大意】 从a到b的路,如果已经访问过c那么路费为p否则为r,问从1到n的最短路 【题解】 搜索记录每个点在该回溯中被访问的次数, 因为这张图最多只有十个点,所以如果一个点被访问的次数超过3, 那么一定是重复走环路了,可 ...
分类:其他好文   时间:2017-02-08 14:47:22    阅读次数:144
POJ 2421 Constructing Roads
Constructing Roads Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 23309 Accepted: 9997 Description There are N villages, which are numbere ...
分类:其他好文   时间:2017-02-06 10:26:21    阅读次数:157
HDU1815 2-sat+二分
Building roads Problem Description Farmer John's farm has N barns, and there are some cows that live in each barn. The cows like to drop around, so Jo ...
分类:其他好文   时间:2017-02-04 20:19:30    阅读次数:290
POJ 2421 Constructing Roads
Language: Default Constructing Roads Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 23333 Accepted: 10012 Description There are N villages ...
分类:其他好文   时间:2017-02-04 14:42:02    阅读次数:169
poj1724 ROADS
题意: N个城市,编号1到N。城市间有R条单向道路。每条道路连接两个城市,有长度和过路费两个属性。Bob只有K块钱,他想从城市1走到城市N。问最短共需要走多长的路。如果到不了N,输出-12<=N<=1000<=K<=100001<=R<=10000每条路的长度 L, 1 <= L <= 100每条路 ...
分类:其他好文   时间:2017-01-24 21:48:57    阅读次数:249
POJ 2421 Constructing Roads
Constructing Roads Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 23309 Accepted: 9997 Description There are N villages, which are numbere ...
分类:其他好文   时间:2017-01-24 14:54:29    阅读次数:261
[kuangbin带你飞]专题六 最小生成树 POJ 2421 Constructing Roads
给一个n个点的完全图 再给你m条道路已经修好 问你还需要修多长的路才能让所有村子互通 将给的m个点的路重新加权值为零的边到边集里 然后求最小生成树 ...
分类:其他好文   时间:2017-01-10 21:03:03    阅读次数:233
sicily1024 Magic Island(图的遍历)
Description There are N cities and N-1 roads in Magic-Island. You can go from one city to any other. One road only connects two cities. One day, The k ...
分类:其他好文   时间:2017-01-07 20:38:37    阅读次数:164
767条   上一页 1 ... 28 29 30 31 32 ... 77 下一页
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!