思路:bfs裸题.三个选择:向左一个单位,向右一个单位,向右到2*x //注意,需要特判n是否大于k,大于k时只能向左,输出n-k.第一次提交没注意,结果RE了,, Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 137789   Accepted: 42551 Description Farmer John has been informed of the location of a fug…

一个简单的bfs题. 用结构体的目的在于保存bfs到达此处时走的步数. 不多言,上AC代码: //18:18 #include<iostream> #include<cstdio> #include<cstdlib> #include<cstring> #include<queue> using namespace std; int n,k; ]={-,}; ; int flag[maxn]; struct state{ int cur; int…

传送门 Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 80273   Accepted: 25290 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 10…

SB贪心,一开始还想着用二分,看了眼黄学长的blog,发现自己SB了... 最小道路=已选取的奶牛/道路总数. #include <iostream> #include <cstdio> #include <algorithm> using namespace std; ]; int n,m,d,l,ans; int main() { scanf("%d%d%d%d",&n,&m,&d,&l); ;i<=n;i+…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2838 Cow Sorting Problem Description Sherlock's N (1 ≤ N ≤ 100,000) cows are lined up to be milked in the evening. Each cow has a unique "grumpiness" level in the range 1...100,000. Since grumpy cow…

[BZOJ1604][Usaco2008 Open]Cow Neighborhoods 奶牛的邻居 试题描述 了解奶牛们的人都知道,奶牛喜欢成群结队．观察约翰的N(1≤N≤100000)只奶牛,你会发现她们已经结成了几个"群"．每只奶牛在吃草的时候有一个独一无二的位置坐标Xi,Yi(l≤Xi,Yi≤[1．.10^9]:Xi,Yi∈整数．当满足下列两个条件之一,两只奶牛i和j是属于同一个群的:   1．两只奶牛的曼哈顿距离不超过C(1≤C≤10^9),即lXi - xil+IYi - Y…

细读cow.osg 转自:http://www.cnblogs.com/mumuliang/archive/2010/06/03/1873543.html 对,就是那只著名的奶牛. //Group节点,可有子节点.Group { UniqueID Group_0         //Gourp名称DataVariance STATIC   //不知道用来干嘛,一般都是staticcullingActive TRUE      //参与culling?num_children 1         …

Cow Bowling Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 13016   Accepted: 8598 Description The cows don't use actual bowling balls when they go bowling. They each take a number (in the range 0..99), though, and line up in a standard…

在linux下,虚拟机的选择方式有很多,比如vmware for linux,virtual box,还有qemu,在以前,使用qemu的人不多,主要是使用起来有些麻烦,但现在随着Openstack的兴起,qemu也得到了很大的发展,现在在Fedora下使用qemu+kvm性能还是很好的,如果再加上spice,就更不错了.但今天还是主要讲讲qemu下使用的几种镜像格式吧! 1. raw raw格式是最简单,什么都没有,所以叫raw格式.连头文件都没有,就是一个直接给虚拟机进行读写的文件.raw不…

Cow Marathon Time Limit: 2000MS   Memory Limit: 30000K Total Submissions: 3195   Accepted: 1596 Case Time Limit: 1000MS Description After hearing about the epidemic of obesity in the USA, Farmer John wants his cows to get more exercise, so he has com…