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HDU 1102-Constructing Roads
D - Constructing Roads Time Limit:2000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64uSubmit StatusDescription There are N villages, which are nu...
分类:其他好文   时间:2015-08-29 16:39:02    阅读次数:147
POJ-1251-Jungle Roads
A - Jungle Roads Time Limit:1000MS Memory Limit:10000KB 64bit IO Format:%I64d & %I64uSubmit StatusDescriptionThe Head Elder of the tropical island of ...
分类:其他好文   时间:2015-08-28 17:03:14    阅读次数:156
HDU 1025
Constructing Roads In JGShining's Kingdom Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 19340    Accepted Submission(s): 5473 Problem ...
分类:其他好文   时间:2015-08-27 23:03:56    阅读次数:198
POJ 2455--Secret Milking Machine【二分枚举 && 最大流 && 经典】
Secret Milking Machine Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 10625   Accepted: 3111 Description Farmer John is constructing a new milking machine...
分类:系统相关   时间:2015-08-27 18:52:00    阅读次数:248
poj 2455 Secret Milking Machine 【二分 + 最大流】 【1到N不重复路径不少于T条时,求被选中路径上的最大边权值 的最小值】
Secret Milking Machine Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 10620   Accepted: 3110 Description Farmer John is constructing a new milking machine a...
分类:系统相关   时间:2015-08-27 02:13:48    阅读次数:363
poj 3625 Building Roads 最小生成树(prime或kruskal+并查集)(算法归纳)
Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Description Farmer John had just acquired several new farms! He wants to connect the farms with roads so that he can trave...
分类:编程语言   时间:2015-08-26 22:43:01    阅读次数:495
hdu 1301 Jungle Roads
最小生成树裸题,懒得写,直接模板 #include #include #include #include #define inf 1<<30 #define maxn 30 using namespace std; int n; vectormapp[maxn]; int vaule[maxn][maxn]; int visit[maxn]; void prim() { int d[max...
分类:其他好文   时间:2015-08-26 01:51:32    阅读次数:161
codeforces Gym 100338C Important Roads
正反两次最短路用于判断边是不是最短路上的边,把最短路径上的边取出来。然后求割边。#includeusing namespace std;typedef long long ll;#define fi first#define se second#define bug(x) coutdfn[u]) {...
分类:其他好文   时间:2015-08-21 18:58:29    阅读次数:137
hdu 1102 Constructing Roads(kruskal || prim)
求最小生成树,有一点点的变化,就是有的边已经给出来了,所以,最小生成树里面必须有这些边,kruskal和prim算法都可以,prim更简单一些,有一点需要注意,用克鲁斯卡尔算法的时候需要将已经存在的边预处理一下,并查集转化为同一个祖先,记得要找他们的祖先再转化。普里姆算法只需要将那些已经存在的边都初始化为0就可以了。 kruskal: #include #include #include #i...
分类:其他好文   时间:2015-08-19 20:45:04    阅读次数:95
UvA 12661 Funny Car Racing (最短路)
There is a funny car racing in a city with n junctions and m directed roads.The funny part is: each road is open and closed periodically. Each road is...
分类:其他好文   时间:2015-08-18 19:03:28    阅读次数:174
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