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POJ 3281 Dining 最大流
饮料->牛->食物。牛拆成两点。//#pragma comment(linker, "/STACK:1024000000,1024000000")#include#include#include#include#include#include#include#include#include#incl...
分类:其他好文   时间:2014-05-08 14:26:15    阅读次数:423
[ACM] hdu 3342 Legal or Not (拓扑排序)
Legal or Not Problem Description ACM-DIY is a large QQ group where many excellent acmers get together. It is so harmonious that just like a big family. Every day,many "holy cows" like HH, ...
分类:其他好文   时间:2014-05-08 11:11:28    阅读次数:339
poj 2182 Lost Cows (线段树)
?? Lost Cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8838   Accepted: 5657 Description N (2 <= N <= 8,000) cows have unique brands in the range 1..N. ...
分类:其他好文   时间:2014-05-07 07:58:26    阅读次数:337
POJ3254:Corn Fields(状态压缩)
Description Farmer John has purchased a lush new rectangular pasture composed of M by N (1 ≤ M ≤ 12; 1 ≤ N ≤ 12) square parcels. He wants to grow some yummy corn for the cows on a number of square...
分类:其他好文   时间:2014-05-07 05:46:43    阅读次数:323
POJ--Lost Cows (线段树)
题目:http://poj.org/problem?id=2182 http://acm.hdu.edu.cn/showproblem.php?pid=2711 题意:有N头牛,编号为1--N。 乱序排成一列,已知每头牛前面有多少头牛比它的编号小(从第二头牛开始)。 现在需要求这个序列中从前到后,每...
分类:其他好文   时间:2014-05-03 22:30:06    阅读次数:504
POJ 2387
Til the Cows Come HomeTime Limit:1000MSMemory Limit:65536KTotal Submissions:27591Accepted:9303DescriptionBessie is out in the field and wants to get b...
分类:其他好文   时间:2014-05-01 15:42:53    阅读次数:419
poj 3617 Best Cow Line(贪心)
?? Best Cow Line Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8579   Accepted: 2629 Description FJ is about to take his N (1 ≤ N ≤ 2,000) cows to the a...
分类:其他好文   时间:2014-04-29 13:48:21    阅读次数:358
POJ2481 Cows 树状数组的简单应用
题意给了你N头牛,每头牛的强壮值是一个区间[s,e],如果第 i 头牛比第 j 头牛强壮那么必须满足 Si Ej - Sj; 为了满足这三个条件我们进行排序,先以e降序排为先决条件,若e相等则让s升序排列,如此即可满足三个条件,这道题目任意两头牛的强壮值区间有可能完全一样,这样就不需要重新用树状数组求一次和了,直接赋值即可,这样可以省很多时间,因为已经排序处理了,所以即便区间相等的  肯定就是...
分类:其他好文   时间:2014-04-29 13:26:21    阅读次数:323
[ACM] poj 2456 Aggressive cows (二分查找)
Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 5436   Accepted: 2720 Description Farmer John has built a new long barn, with N (2 <= N <= 100,...
分类:其他好文   时间:2014-04-29 13:22:21    阅读次数:304
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