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poj-1251 Jungle Roads
题目链接:http://poj.org/problem?id=1251 简单题 #include #include #include #include #include #include #include using namespace std; #define INF 10000000 int n, m; char a[5], b[5]; int c, d; int ma...
分类:其他好文   时间:2015-01-25 15:19:58    阅读次数:165
hdu4313 贪心并查集 || 树形dp
http://acm.hdu.edu.cn/showproblem.php?pid=4313 Problem Description Machines have once again attacked the kingdom of Xions. The kingdom of Xions has N cities and N-1 bidirectional roads. The ro...
分类:其他好文   时间:2015-01-25 12:34:35    阅读次数:145
hdu 1102 Constructing Roads Kruscal
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1102题意:这道题实际上和hdu 1242 Rescue 非常相似,改变了输入方式之后, 本题实际上更适合用Prim来做。 用Kruscal的话要做一些变化。/*Constructing RoadsTim...
分类:其他好文   时间:2015-01-24 22:41:12    阅读次数:166
HDU 1102 Constructing Roads, Prim+优先队列
题目链接:HDU 1102 Constructing RoadsConstructing RoadsProblem DescriptionThere are N villages, which are numbered from 1 to N, and you should build some r...
分类:其他好文   时间:2015-01-23 22:43:08    阅读次数:245
Constructing Roads In JGShining's Kingdom(最长上升子序列)
Constructing Roads In JGShining's Kingdom Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 16956    Accepted Submission(s): 4819 Proble...
分类:其他好文   时间:2015-01-23 09:36:18    阅读次数:162
POJ 2421 Constructing Roads (Kruskal算法+压缩路径并查集 )
Constructing RoadsTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 19884Accepted: 8315DescriptionThere are N villages, which are numbered from...
分类:编程语言   时间:2015-01-22 10:46:19    阅读次数:314
HDU1301 Jungle Roads【Prim】【最小生成树】
题目大意:热带的一个岛上有N个村庄,还有一些路,现在丛林把道路给破坏了。酋长 想要去掉一些不必要的路,使得剩下的路既能联通全部村庄,又能使总路程最短。求: 这个最短的总路程是多少 思路:就是给你N个点,M条边,求最小生成树。用Prim算法来做,输入的时候将字母 代表的村庄转换为下标(即字母 - 'A')即可。...
分类:其他好文   时间:2015-01-19 22:41:24    阅读次数:215
POJ 1947 Rebuilding Roads
题目大意:根据两个点建立一条有向边,最后可形成的是一棵树,希望通过切除一些边,使一棵含有p个节点的子树被独立出来,希望切除的边数最少,输出这个边数这个是第一次自己完完整整做出来的树形Dp题目,没有参考别人的DP思路,虽然自己很快想好了,但是总是无法合适的进行组织,做了很久,但自己做出来的总是会比取理...
分类:其他好文   时间:2015-01-18 22:31:20    阅读次数:224
POJ: 2413 ——优先队列——结构体cmp函数一级排序
我要翻译题目!!!/*A group of cows grabbed a truck and ventured on anexpeditiondeep into the jungle. Being rather poor drivers, the cows unfortunately managed...
分类:编程语言   时间:2015-01-18 19:41:57    阅读次数:394
Pat(Advanced Level)Practice--1087(All Roads Lead to Rome)
Pat1087代码 题目描述: Indeed there are many different tourist routes from our city to Rome. You are supposed to find your clients the route with the least cost while gaining the most happiness. Input S...
分类:其他好文   时间:2015-01-10 01:31:07    阅读次数:245
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