F - Aggressive cows Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,...,xN (0 <= xi <= 1,000,000,000). His C (2 <= C <= N) cows don't like this barn l…

Aggressive cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 22674 Accepted: 10636 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,...,x…

[Usaco2005 feb]Aggressive cows 愤怒的牛 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 407  Solved: 325[Submit][Status][Discuss] Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight…

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 <= 100,000) stalls. The stalls are located along a straight line at positions x1,...…

最小最大...又是经典的二分答案做法.. -------------------------------------------------------------------------- #include<cstdio> #include<cstring> #include<algorithm> #include<iostream>   #define rep( i , n ) for( int i = 0 ; i < n ; ++i ) #def…

疯牛 时间限制:1000 ms  |  内存限制:65535 KB 难度:4   描述 农夫 John 建造了一座很长的畜栏,它包括N (2 <= N <= 100,000)个隔间,这些小隔间依次编号为x1,...,xN (0 <= xi <= 1,000,000,000).但是,John的C (2 <= C <= N)头牛们并不喜欢这种布局,而且几头牛放在一个隔间里,他们就要发生争斗.为了不让牛互相伤害.John决定自己给牛分配隔间,使任意两头牛之间的最小距离尽可能的…

poj 2456 Aggressive cows && nyoj 疯牛 最大化最小值 二分 题目链接: nyoj : http://acm.nyist.net/JudgeOnline/problem.php?pid=586 poj : http://poj.org/problem?id=2456 思路: 二分答案,从前到后依次排放m头牛的位置,检查是否可行 代码: #include <iostream> #include <algorithm> #include &…

Aggressive cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: Accepted: Description Farmer John has built a <= N <= ,) stalls. The stalls are located along a straight line at positions x1,...,xN ( <= xi <= ,,,). His C ( <= C &l…

Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 18099   Accepted: 8619 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,..…

Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7924   Accepted: 3959 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,...…

Aggressive cows 直接上中文了 Descriptions 农夫 John 建造了一座很长的畜栏,它包括N (2 <= N <= 100,000)个隔间,这些小隔间依次编号为x1,...,xN (0 <= xi <= 1,000,000,000). 但是,John的X (2 <= X <= N)头牛们并不喜欢这种布局,而且几头牛放在一个隔间里,他们就要发生争斗.为了不让牛互相伤害.John决定自己给牛分配隔间,使任意两头牛之间的最小距离尽可能的大,那么,这个…

Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 25944   Accepted: 11982 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,.…

原题链接:Aggressive cows 题目大意:农夫 建造了一座很长的畜栏,它包括  个隔间,这些小隔间依次编号为. 但是, 的  头牛们并不喜欢这种布局,而且几头牛放在一个隔间里,他们就要发生争斗.为了不让牛互相伤害. 决定自己给牛分配隔间,使任意两头牛之间的最小距离尽可能的大,那么,这个最大的最小距离是什么呢? 题目分析:题意想要表达的是 把头牛放到个带有编号的隔间里,使得任意两头牛所在的隔间编号的最小差值最大.这是一个典型的最小值最大化问题.先对畜栏编号从小到大排序,则最大距离不会超过…

Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 20485   Accepted: 9719 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,..…

Aggressive cows 二分,关键是转化为二分! #include <cstdio> #include <algorithm> ; ; int N, C; int a[maxN]; using namespace std; bool judge(int x) { ; ; i < C;i++) { ; while (ctr < N && (a[ctr]-a[s] < x)) { ctr++; } if (ctr==N) { return fa…

Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 11192   Accepted: 5492 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,..…

1734: [Usaco2005 feb]Aggressive cows 愤怒的牛 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 217  Solved: 175[Submit][Status][Discuss] Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a st…

Aggressive cows http://poj.org/problem?id=2456 N间小屋,M头牛,使得牛跟牛之间的距离最远,以防止牛打架. 2<=N<=100000 2<=M<=N 0 <=xi<=109 ////////////////////////////////////////////////////////////// C(d):=可以安排牛的位置使得任意两头牛的间距都不小于d 使用二分搜索法解决: //参考文献:挑战程序设计大赛(第二版)/**…

Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 13993   Accepted: 6775 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,..…

1734: [Usaco2005 feb]Aggressive cows 愤怒的牛 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,...,xN (0 <= xi <= 1,000,000,000). His C (2 <= C &l…

Aggressive cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 28666 Accepted: 13146 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,-,xN…

原题如下: Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 20524   Accepted: 9740 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions…

Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 23866   Accepted: 11141 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,.…

题目传送门 /* 二分搜索:搜索安排最近牛的距离不小于d */ #include <cstdio> #include <algorithm> #include <cmath> using namespace std; ; const int INF = 0x3f3f3f3f; int x[MAXN]; int n, m; bool check(int d) { ; ; i<=m-; ++i) { ; while (cur <= n && x[…

/* 二分法的应用:最大化最小值 POJ2456 Aggressive cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 18125 Accepted: 8636 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight li…

Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,-,xN (0 <= xi <= 1,000,000,000). His C (2 <= C <= N) cows don't like this barn layout and…

题目: Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,...,xN (0 <= xi <= 1,000,000,000). His C (2 <= C <= N) cows don't like this barn layout and become…

Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,...,xN (0 <= xi <= 1,000,000,000). His C (2 <= C <= N) cows don't like this barn layout an…

水题,20分钟AC,最大值最小,一看就是二分答案... 代码: Description Farmer John has built a <= N <= ,) stalls. The stalls are located along a straight line at positions x1,...,xN ( <= xi <= ,,,). His C ( <= C <= N) cows don't like this barn layout and become ag…

题目传送门 POJ 2456 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,...,xN (0 <= xi <= 1,000,000,000). His C (2 <= C <= N) cows don't like this…