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搜索关键字:the cows are journey    ( 1818个结果
poj 2393 Yogurt Factory(贪心)
DescriptionThe cows have purchased a yogurt factory that makes world-famous Yucky Yogurt. Over the next N (1 #includeint min(int a,int b){ if(a>b) ...
分类:其他好文   时间:2014-07-06 14:21:54    阅读次数:215
poj 2749 Building roads (二分+拆点+2-sat)
Building roads Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 6229   Accepted: 2093 Description Farmer John's farm has N barns, and there are some cows that...
分类:其他好文   时间:2014-06-30 10:55:18    阅读次数:146
LeetCode: Gas Station [134]
【题目】 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 its next station (i+1). You begin the journey with an ...
分类:其他好文   时间:2014-06-26 13:27:05    阅读次数:231
POJ 3252 Round Numbers 数学题解
Description The cows, as you know, have no fingers or thumbs and thus are unable to play Scissors, Paper, Stone' (also known as 'Rock, Paper, Scissors', 'Ro, Sham, Bo', and a host of other names) i...
分类:其他好文   时间:2014-06-22 17:15:11    阅读次数:275
POJ3169-Layout
Layout Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 6582   Accepted: 3182 Description Like everyone else, cows like to stand close to their friends when que...
分类:其他好文   时间:2014-06-21 23:54:18    阅读次数:307
hdu3045之斜率DP
Picnic Cows Time Limit: 8000/4000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1563    Accepted Submission(s): 478 Problem Description It’s summer voc...
分类:其他好文   时间:2014-06-10 07:00:32    阅读次数:262
图论算法----强连通
poj2186Popular Cows分析:直接求一下强连通分量,对于同一个强连通分量里面的结点状态是相同的,要求有多少个人被其他所有的人都认可,只有可能是拓扑排序的最后一个强连通的结点个数,判断一下其他节点是否都可以到该联通分量就ok了。 1 #include 2 #include 3 #in.....
分类:其他好文   时间:2014-06-08 21:44:25    阅读次数:307
POJ 2186 Popular Cows -- tarjan 缩点
链接: POJ 2186 Popular Cows 题意: 每一头牛都希望在牛群里面备受瞩目,在一个牛群中有N头牛(1 输入: 第一行两个整数 N 和 M 第2 到 M + 1 行,两个分开的数 A,B,意味着 A认为 B 更受欢迎。 输出: 被所有牛认为受欢迎的牛的个数 比如输入: 3 3 1 2 2 1...
分类:其他好文   时间:2014-06-08 18:20:40    阅读次数:204
POJ 3615 Cow Hurdles.
Description Farmer John wants the cows to prepare for the county jumping competition, so Bessie and the gang are practicing jumping over hurdles. They are getting tired, though, so they want to be ...
分类:其他好文   时间:2014-06-08 15:55:10    阅读次数:199
poj 3621 Sightseeing Cows(最优比例生成环,01分数规划)
http://poj.org/problem?id=3621 大致题意:给出一个有向图,每个点都有一个点权,每条有向边也都有一个边权,要求出一个环使得环中点权之和与边权之和的比值最大。 思路:和最优比率生成树异曲同工。设点权是v[i],边权是e[i]。不同的是这里一个是点,一个是边。怎么像生成树一样把这两个值放到一起呢?可以把他们都转化到边上。同样的二分λ,每次给边重新赋权为v...
分类:其他好文   时间:2014-06-05 03:30:56    阅读次数:191
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