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hdu 4081 Qin Shi Huang's National Road System
思路: 建立最小生成树的图,之后进行枚举边(两点)。然后去掉原来生成树上的边。 去掉一条遍之后,原图为两棵树。A - 分别为两棵树中的最大人口和B - 生成树边长之和减去一条生成树边的长度。 1 #include 2 #include 3 #include 4 #include 5 #in...
分类:其他好文   时间:2015-03-16 22:40:12    阅读次数:169
POJ 题目 Road Construction(双连通)
Road Construction Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 9353   Accepted: 4648 Description It's almost summer time, and that means that it's almost ...
分类:其他好文   时间:2015-03-15 09:38:43    阅读次数:118
aizu2249最短路Road Construction
题目链接求让城市1到其他城市在保证最短路的情况下求最小花费,最短路水题。#include #include #include #include using namespace std;const int INF=1e9;struct edge{ int u,v; int len,cost...
分类:其他好文   时间:2015-03-15 02:02:37    阅读次数:152
【POJ 3204】Ikki's Story I - Road Reconstruction
求最小割的必须边~...
分类:其他好文   时间:2015-03-13 16:39:30    阅读次数:157
HDU4081Qin Shi Huang's National Road System(最小生成树+DFS)
Qin Shi Huang's National Road System Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4227    Accepted Submission(s): 1465 Problem Desc...
分类:其他好文   时间:2015-03-11 21:48:34    阅读次数:136
opencv中BP神经网络的使用
参考网址:1、http://fanjun.info/2011/07/19/opencv中神经网络的搭建/2、http://www.cnblogs.com/ronny/p/opencv_road_more_01.html
分类:其他好文   时间:2015-03-10 01:36:10    阅读次数:274
uva 757 Gone Fishing (贪心)
uva 757 Gone Fishing John is going on a fishing trip. He has h hours available ( ), and there are n lakes in the area ( ) all reachable along a single, one-way road. John starts at lake 1, ...
分类:其他好文   时间:2015-03-04 22:49:22    阅读次数:215
【连通图|边双连通+缩点】POJ-3352 Road Construction
给出一张无向图,问至少添加多少条边可以使得该图变成边双连通图。...
分类:其他好文   时间:2015-03-04 16:59:54    阅读次数:118
QT笔记:数据库总结(一)
QT笔记:数据库总结(一)http://blog.csdn.net/reborntercel/article/details/6991147http://www.devbean.net/2013/06/qt-study-road-2-sql-model/
分类:数据库   时间:2015-03-03 20:18:29    阅读次数:145
hdu 1301 Jungle Roads 一个很水的题 AC率也可以知道了 但是题目很难理解啊 英语渣o(╯□╰)oKruskal算法
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 ago. But the jungle overtakes roads relentlessly, so the large road network is too expensive to maintain. Th...
分类:编程语言   时间:2015-02-23 15:31:52    阅读次数:212
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