HDU1007 Quoit Design 【分治】】的更多相关文章

Quoit Design Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 30505    Accepted Submission(s): 8017 Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat…
Quoit Design 看懂题意以后发现就是找平面最近点对间距离除以2. 平面上最近点对是经典的分治,我的解析 直接上代码 #include<bits/stdc++.h> using namespace std; #define int long long const int N=1000005; const double inf=1e12; struct node{ double x,y; }p[N]; bool cmp(node a,node b) { if(a.x==b.x)retur…
Quoit Design Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 29344    Accepted Submission(s): 7688 Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat…
Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded. In the field of Cyberground, the position of each toy is fixed, and the ring is careful…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1007 简单裸题,测测模板,G++速度快了不少,应该是编译的时候对比C++优化了不少.. //STATUS:G++_AC_1703MS_5004KB #include <functional> #include <algorithm> #include <iostream> //#include <ext/rope> #include <fstream>…
-- 点我 -- 题目大意 :给你一堆点,求一个最小圆能够覆盖两个点的半径(最近两点距离的一半): 最多100000个点,暴力即O(n^2)会超时,考虑二分,先求左边最短距离dl,右边dr, 和一个点左, 一个点在右的情况, 求d; #include<bits/stdc++.h> using namespace std; #define lint long long #define maxn 100005 #define mod 1e9+7 struct point { double x, y…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1007 Quoit Design Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 42865    Accepted Submission(s): 11128 Problem Description Have you ever played…
Quoit Design Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 58566    Accepted Submission(s): 15511 Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat…
---恢复内容开始--- Quoit Design Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 47126    Accepted Submission(s): 12323 Problem Description Have you ever played quoit in a playground? Quoit is a game…
Quoit Design Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 28539    Accepted Submission(s): 7469 Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat…
Quoit Design Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 30919 Accepted Submission(s): 8120 Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings…
Quoit Design Time Limit: 5 Seconds      Memory Limit: 32768 KB Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded. In the field of Cyberground, the position of…
Quoit Design Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 29694    Accepted Submission(s): 7788 Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat…
主题: Quoit Design Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 136 Accepted Submission(s): 77   Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rin…
传送门: http://acm.hdu.edu.cn/showproblem.php?pid=1007 Quoit Design Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 62916    Accepted Submission(s): 16609 Problem Description Have you ever played…
Quoit Design Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25335    Accepted Submission(s): 6716 Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat…
Quoit Design Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 47104    Accepted Submission(s): 12318 Problem Description Have you ever played quoit in a playground? Quoit is a game in which fla…
Quoit Design Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded. In the field of Cyberground, the position of each toy is fixed, and the ri…
Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded.In the field of Cyberground, the position of each toy is fixed, and the ring is carefull…
http://acm.hdu.edu.cn/showproblem.php?pid=1007 题目大意:给n个点,求点对最短距离/2. —————————————————————— 平面分治裸题. 暂时还不想讲为什么这么做. 所以原理暂割. #include<cmath> #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> using namespac…
http://acm.hdu.edu.cn/showproblem.php?pid=1007 题意:平面上有n个点,问最近的两个点之间的距离的一半是多少. 思路:用分治做.把整体分为左右两个部分,那么有三种情况:最近的两个点都在左边,最近的两个点都在右边和最近的两个点一个在左边一个在右边.对于第一第二种情况,直接递归处理,分解成子问题就好了,主要是要处理第三种情况.最暴力的做法是O(n^2)的扫,这样肯定会TLE.那么要作一些优化.首先我们先递归处理得到第一种和第二种情况的答案的较小值,然后用这…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1007 题意:给出n个点求最短的两点间距离除以2. 题解:简单的分治. 其实分治就和二分很像二分的写dfs然后复杂度就是log(n*log(n)*log(n)) #include <iostream> #include <cstring> #include <cstdio> #include <algorithm> #include <cmath> u…
暂鸽 #include<cstdio> #include<algorithm> #include<cstring> #include<cmath> #define N 100010 using namespace std; void chkmin(double x,double y) {if (x>y) x=y;} int n; struct point { double x,y; point(){}; point(double _x,double _…
Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded. In the field of Cyberground, the position of each toy is fixed, and the ring is careful…
Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded.In the field of Cyberground, the position of each toy is fixed, and the ring is carefull…
http://acm.hdu.edu.cn/showproblem.php?pid=1007 最近欧式距离模板题. 用分治大法(分治的函数名用cdq纯属个人习惯_(:з」∠)_) 一开始狂M. 后来判断n是否为0就不M了QwQ #include<cmath> #include<cstdio> #include<cstring> #include<algorithm> using namespace std; const int N = 100003; str…
传送门 Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded…
Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 28373    Accepted Submission(s): 7417 Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pit…
Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded.In the field of Cyberground, the position of each toy is fixed, and the ring is carefull…
http://acm.hdu.edu.cn/showproblem.php?pid=1007 给出n个玩具(抽象为点)的坐标 求套圈的半径 要求最多只能套到一个玩具 实际就是要求最近的两个坐标的距离 典型的最近点对问题 最近点对详解 http://blog.csdn.net/lonelycatcher/article/details/7973046 //最近点对 # include <stdio.h> # include <algorithm> # include <math…