http://poj.org/problem?id=2187 题意:求凸包上最远点距离的平方 思路:开始用旋转卡壳求的最远点,WA,改了好久..后来又改成枚举凸包上的点..AC了.. #include <stdio.h> #include <algorithm> #include <math.h> using namespace std; ; int n; struct Point { int x,y; Point(,):x(x),y(y) {} bool friend…

http://poj.org/problem?id=2187 题意 给n个坐标,求最远点对的距离平方值. 分析 模板题,旋转卡壳求求两点间距离平方的最大值. #include<iostream> #include<cmath> #include<cstring> #include<queue> #include<vector> #include<cstdio> #include<algorithm> #include<…

Beauty Contest Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 24431   Accepted: 7459 Description Bessie, Farmer John's prize cow, has just won first place in a bovine beauty contest, earning the title 'Miss Cow World'. As a result, Bess…

Beauty Contest http://poj.org/problem?id=2187 题目描述:输入n对整数点,求最距离远的点对,输出他们距离的平方和 算法:拿到这个题,最朴素的想法就是用2层循环遍历所有的点对,但这样可能会超时.由于距离最远的点对必定在点集的凸包的顶点上,所以只用遍历凸包上的点对就行.这样就把可能存在的大量的点给排除.哈哈~~~还是凸包. #include <iostream> #include <algorithm> #include <iomani…

链接:传送门 题意:给出 n 个点,求出这 n 个点中最远的两个点距离的平方 思路:最远点对一定会在凸包的顶点上,然后直接暴力找一下凸包顶点中距离最远的两个点 /************************************************************************* > File Name: poj2187.cpp > Author: WArobot > Blog: http://www.cnblogs.com/WArobot/ > Cre…

LINK 题意:给出点集,求凸包的面积 思路:主要是求面积的考察,固定一个点顺序枚举两个点叉积求三角形面积和除2即可 /** @Date : 2017-07-19 16:07:11 * @FileName: POJ 3348 凸包面积 叉积.cpp * @Platform: Windows * @Author : Lweleth (SoungEarlf@gmail.com) * @Link : https://github.com/ * @Version : $Id$ */ #include <…

Wall Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 26286   Accepted: 8760 Description Once upon a time there was a greedy King who ordered his chief Architect to build a wall around the King's castle. The King was so greedy, that he wo…

Cows Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 7038   Accepted: 3242 Description Your friend to the south is interested in building fences and turning plowshares into swords. In order to help with his overseas adventure, they are f…

题目链接 题意:给你n个点的坐标,n<=50000,求最远点对 #include <iostream> #include <cstdio> #include <cstring> #include <cstdlib> #include <cmath> #include <vector> #include <queue> #include <map> #include <algorithm> #i…

链接: http://poj.org/problem?id=2187 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=22013#problem/E Beauty Contest Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 24254   Accepted: 7403 Description Bessie, Farmer John's prize cow, h…