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POJ 2229 Sumsets
Description Farmer John commanded his cows to search for different sets of numbers that sum to a given number. The cows use only numbers that are an i ...
分类:其他好文   时间:2018-08-20 21:54:39    阅读次数:147
POJ 2385 Apple Catching
Apple Catching Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15231 Accepted: 7465 Description It is a little known fact that cows love ap ...
分类:移动开发   时间:2018-08-20 21:42:24    阅读次数:185
POJ-3176 Cow Bowling
Language: Default Cow Bowling Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 22568 Accepted: 14886 Description The cows don't use actual b ...
分类:其他好文   时间:2018-08-20 20:38:09    阅读次数:284
POJ 3171 区间最小花费覆盖 (DP+线段树
Cleaning Shifts Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4245 Accepted: 1429 Description Farmer John's cows, pampered since birth, h ...
分类:其他好文   时间:2018-08-19 18:25:48    阅读次数:228
H - Expedition 优先队列 贪心
"来源poj2431" A group of cows grabbed a truck and ventured on an expedition deep into the jungle. Being rather poor drivers, the cows unfortunately mana ...
分类:其他好文   时间:2018-08-19 17:32:35    阅读次数:145
POJ 3179 Corral the Cows
Corral the Cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 1352 Accepted: 565 Description Farmer John wishes to build a corral for his ...
分类:其他好文   时间:2018-08-18 17:50:22    阅读次数:436
POJ 2387 Til the Cows Come Home(最短路模板)
题目链接:http://poj.org/problem?id=2387 题意:有n个城市点,m条边,求n到1的最短路径。n<=1000; m<=2000 就是一个标准的最短路模板。 ...
分类:其他好文   时间:2018-08-18 11:33:58    阅读次数:152
poj2186-Popular Cows【Tarjan】+(染色+缩点)(经典)
<题目链接> 题目大意: 有N(N<=10000)头牛,每头牛都想成为most poluler的牛,给出M(M<=50000)个关系,如(1,2)代表1欢迎2,关系可以传递,但是不可以相互,即1欢迎2不代表2欢迎1,但是如果2也欢迎3那么1也欢迎3. 给出N,M和M个欢迎关系,求被所有牛都欢迎的牛的 ...
分类:其他好文   时间:2018-08-16 21:03:34    阅读次数:195
P2742 【模板】二维凸包 / [USACO5.1]圈奶牛Fencing the Cows
题意:n个点,求凸包周长。(纯板子QAQ) 定义 凸包:用最小的凸多边形将n个点围在里面的图形为凸包 前置 向量:点积:(a,b) (c,d)=(a*c,b*d) =|(a,b)|*|(c,d)|*cos<(a,b),(c,d)>; 叉积:(a,b) (c,d)=a*d-b*c=|(a,b)|*|( ...
分类:其他好文   时间:2018-08-14 15:43:17    阅读次数:164
P3121 [USACO15FEB]审查(黄金)Censoring (Gold)
题目描述 Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material to read while waiting aroun ...
分类:其他好文   时间:2018-08-14 14:23:47    阅读次数:164
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