题意:给出n个点,求最小包围圆. 解法:这两天一直在学这个神奇的随机增量算法……看了这个http://soft.cs.tsinghua.edu.cn/blog/?q=node/1066之后自己写了好久一直写不对……后来在计算几何的模板上找到了…………orz膜拜一下 代码: #include<stdio.h> #include<iostream> #include<algorithm> #include<string> #include<string.h…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3007 Each person had do something foolish along with his or her growth.But,when he or she did this that time,they could not predict that this thing is a mistake and they will want this thing would rather…

题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=450 You are to write a program to find a circle which covers a set of points and has the minimal area. There will be no more than 100 points in one problem. 题意描述:找到一个最小圆能够包含到所有的二维坐标点. 算法…

Problem Description Each person had do something foolish along with his or her growth.But,when he or she did this that time,they could not predict that this thing is a mistake and they will want this thing would rather not happened.The world king Sco…

套了个模板直接上,貌似没有随机化序列 QAQ //#pragma comment(linker, "/STACK:16777216") //for c++ Compiler #include <stdio.h> #include <iostream> #include <cstring> #include <cmath> #include <stack> #include <queue> #include <…

传送门 最小圆覆盖模板. //Achen #include<algorithm> #include<iostream> #include<cstring> #include<cstdlib> #include<vector> #include<cstdio> #include<queue> #include<cmath> ; typedef long long LL; typedef double db; us…

1. 题目描述有n个点,求能覆盖这n个点的半径最小的圆的圆心及半径. 2. 基本思路算法模板http://soft.cs.tsinghua.edu.cn/blog/?q=node/1066定义Di表示相对于P[1]和P[i]组成的最小覆盖圆,如果P[2..i-1]都在这个圆内,那么当前的圆心和半径即为最优解.如果P[j]不在这个圆内,那么P[j]一定在新的最小覆盖圆的边界上即P[1].P[j].P[i]组成的圆.因为三点可以确定一个圆,因此只需要不断的找到不满足的P[j],进而更新最优解即可.其…

Buried memory Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4067    Accepted Submission(s): 2171 Problem Description Each person had do something foolish along with his or her growth.But,when…

You are to write a program to find a circle which covers a set of points and has the minimal area. There will be no more than 100 points in one problem. Input The input contains several problems. The first line of each problem is a line containing on…

基本小圆覆盖模板题 #include <iostream> #include <algorithm> #include <cmath> using namespace std; int X,Y; int n; const double eps=0.00000001; struct point{ double x,y; }p[550]; struct Circle{ point cent; double r; }cir; double dist(point x, poin…