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poj2031(Building a Space Station)
题目地址:Building a Space Station题目大意: 在一个三维的空间里有若干个球体,求从走过所有球花费最少,题目要求两个球体接触就不需要建桥意为花费为0,实力给吃的n行, 其中包括 球的X,Y,Z的坐标,r为球的半径。这里就清晰了,意思就是求无向图最小生成树,val就为两个求圆心....
分类:其他好文   时间:2014-07-30 23:40:45    阅读次数:299
Rails
Rails Time Limit:1000MS     Memory Limit:10000KB     64bit IO Format:%I64d & %I64u Submit Status Description There is a famous railway station in PopPush City. Country there is incre...
分类:其他好文   时间:2014-07-22 00:29:36    阅读次数:210
POJ 2607 Fire Station
枚举+最短路问题。 题意依然晦涩难懂。 新建一个消防站n 可以使得所有交叉路口到最近的一个消防站的距离中最大值减小,且n 是满足条件的交叉路口序号中序号最小的。 先每个消防站做SPFA。找到所有点 到最近消防站的 距离。 然后枚举 每个不是消防站的点,找到距离这个点的最大距离。然后比对 最大是否更新了。 ORZ的是,输入边的时候要EOF。简直…… 谁是出...
分类:其他好文   时间:2014-07-21 13:21:36    阅读次数:205
LeetCode :: Gas Station
There are N gas stations along a circular route, where the amount of gas at station i is gas[i]. You have a car with an unlimited gas tank and it costs cost[i] of gas to travel from station i to ...
分类:其他好文   时间:2014-07-19 23:24:39    阅读次数:223
[LeetCode] Gas Station
There are N gas stations along a circular route, where the amount of gas at station i is gas[i].You have a car with an unlimited gas tank and it costs...
分类:其他好文   时间:2014-07-19 20:35:13    阅读次数:202
【leetcode刷题笔记】Gas Station
There are N gas stations along a circular route, where the amount of gas at station i is gas[i].You have a car with an unlimited gas tank and it costs...
分类:其他好文   时间:2014-07-18 20:39:06    阅读次数:556
遍历XML文件
#encoding=utf-8from xml.etree import ElementTree as ET#要找出所有人的年龄per=ET.parse('d:\\1.xml')p=per.findall('./STATION')for x in p: print x.attribprintf...
分类:其他好文   时间:2014-07-18 15:05:41    阅读次数:187
POJ - 1363 Rails
Description There is a famous railway station in PopPush City. Country there is incredibly hilly. The station was built in last century. Unfortunately, funds were extremely limited that time. It wa...
分类:其他好文   时间:2014-07-17 10:41:03    阅读次数:220
Poj1363
/* C - 堆栈A Time Limit:1000MS Memory Limit:10000KB 64bit IO Format:%I64d & %I64u Submit Status Practice POJ 1363 Description There is a famous railway station in PopPush City. Country there ...
分类:其他好文   时间:2014-07-12 23:56:36    阅读次数:530
算法导论--装备线调度(升序&&降序输出)
题意就先不用讲了吧,感觉自己还没有掌握核心的东西。//心得 //怎样保持路径,递归的实现 #include #include #include #include #include using namespace std; int a[100][100];//time for station int t[100][100];//time for from Li to Lj int f[100]...
分类:其他好文   时间:2014-07-12 23:54:43    阅读次数:356
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