最小（大）生成树
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摒弃时间之人所得不到的眷顾
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POJ1258 并查集和最小生成树
Agri-NetTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 47782 Accepted: 19806DescriptionFarmer John has been elected mayor of his town! One of his cam原创 2016-02-03 21:18:13 · 467 阅读 · 0 评论 -
POJ 1703 并查集，感觉很好
好早以前做的了，不过最近感觉不错，就贴上来吧#include#includeusing namespace std;const int MAX = 150000 + 5;int n, m, a, b;char ch;int par[MAX], foe[MAX], rank[MAX];void inti(){ for(int i = 0; i < MAX;原创 2016-03-03 18:26:35 · 287 阅读 · 0 评论 -
看了第二个人的最小生成树的最短路径的差分约束系统
转载于http://www.cnblogs.com/void/archive/2011/08/26/2153928.html一直不知道差分约束是什么类型题目，最近在写最短路问题就顺带看了下，原来就是给出一些形如x-y好神奇的是这类问题竟然可以转换成图论里的最短路径问题，下面开始详细介绍下比如给出三个不等式,b-a由题我们可以得知，这个有向图中，由题b-a转载 2016-02-02 20:14:45 · 321 阅读 · 0 评论 -
第一个人的解释：最小生成树中的最短路问题：差分约束系统
转载于http://blog.youkuaiyun.com/xuezhongfenfei/article/details/8685313差分约束系统X1 - X2 X1 - X5 X2 - X5 X3 - X1 X4 - X1 X4 - X3 X5 - X3 X5 - X4 不等式组(1) 全都是两个未知数的差小于等于某个常数（大于等于也转载 2016-02-02 20:13:38 · 473 阅读 · 0 评论 -
HDU1879 并查集和最小生成树
继续畅通工程Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 19170 Accepted Submission(s): 8255Problem Description省政府“畅通工程”的目标是使全省任何原创 2016-02-01 15:41:54 · 259 阅读 · 0 评论 -
bestcoder #72 DIV2 Clarke and MST 最大按位与的生成树
Clarke and MSTTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 196 Accepted Submission(s): 100Problem DescriptionClarke is a p原创 2016-02-14 20:36:24 · 478 阅读 · 0 评论 -
HDU1875 并查集和最小生成树
畅通工程再续Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 21762 Accepted Submission(s): 6881Problem Description相信大家都听说一个“百岛湖”的地方吧原创 2016-02-01 15:09:22 · 243 阅读 · 0 评论 -
HDU1863 并查集与最小生成树
畅通工程Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 22804 Accepted Submission(s): 9899Problem Description省政府“畅通工程”的目标是使全省任何两个原创 2016-02-01 13:41:16 · 291 阅读 · 0 评论 -
HDU 1233 最小生成树和并查集
还是畅通工程Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 35414 Accepted Submission(s): 15941Problem Description某省调查乡村交通状况，得到的统计表原创 2016-01-31 20:28:42 · 289 阅读 · 0 评论 -
HDU3371 并查集与最小生成树（判断有无生成树）
Connect the CitiesTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 15073 Accepted Submission(s): 4037Problem DescriptionIn 210原创 2016-02-02 21:53:02 · 424 阅读 · 0 评论 -
HDU1102并查集和最小生成树
Constructing RoadsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 18668 Accepted Submission(s): 7114Problem DescriptionThere原创 2016-02-03 19:20:21 · 348 阅读 · 0 评论 -
HDU1301 并查集和最小生成树
Jungle RoadsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5932 Accepted Submission(s): 4287Problem DescriptionThe Head原创 2016-02-03 20:24:10 · 455 阅读 · 0 评论 -
BC73 div2 Rikka with Graph 删除边，最多能生成几棵树 HDU 5631
Rikka with GraphTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 308 Accepted Submission(s): 147Problem DescriptionAs we know,原创 2016-02-21 16:48:15 · 305 阅读 · 0 评论