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 &…

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 aggressive towards each other once…

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[…

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,...…

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…

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,..…

题目地址:http://poj.org/problem?id=2456 最大化最小值问题.二分牛之间的间距,然后验证. #include<cstdio> #include<iostream> #include<string.h> #include<algorithm> #include<math.h> #include<stdbool.h> #include<time.h> #include<stdlib.h>…

题目链接 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 layo…

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…