1313 - Protect the Mines   PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 32 MB You are a rich man, and recently you bought a place which contains some mines of rare metals like gold, platinum etc. As the metals are rare, their…

1203 - Guarding Bananas    PDF (English) Statistics Forum Time Limit: 3 second(s) Memory Limit: 32 MB Once there was a lazy monkey in a forest. But he loved banana too much. One day there was a storm in the jungle and all the bananas fell from the tr…

LINK 题意:类似POJ的宫殿围墙那道,只不过这道题数据稍微强了一点,有共线的情况 思路:求凸包周长加一个圆周长 /** @Date : 2017-07-20 15:46:44 * @FileName: LightOJ 1239 求凸包.cpp * @Platform: Windows * @Author : Lweleth (SoungEarlf@gmail.com) * @Link : https://github.com/ * @Version : $Id$ */ #include <s…

题目链接:LightOJ 1203 Problem Description Once there was a lazy monkey in a forest. But he loved banana too much. One day there was a storm in the jungle and all the bananas fell from the trees. The monkey didn't want to lose any of the bananas. So, he w…

题目来源:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=45  SCUD Busters  Background Some problems are difficult to solve but have a simplification that is easy to solve. Rather than…

题目链接:http://lightoj.com/volume_showproblem.php?problem=1203 题意:给你一个点集,求凸包中最小的角:模板题,但是刚开始的时候模板带错了,错的我都想吐了: #include <stdio.h> #include <algorithm> #include <cstring> #include <cmath> using namespace std; #define met(a, b) memset(a,…

链接:pid=4946">http://acm.hdu.edu.cn/showproblem.php?pid=4946 题意:有n个人.在位置(xi,yi),速度是vi,假设对于某个点一个人比全部其它的都能先到那个点,那这个点就被这个人承包了.输出有多少人承包的(鱼塘)面积是无穷大. 思路:找出速度最大值,仅仅有速度是这个最大值的人才有可能承包无穷大的面积(由于快速者早晚会追上低速者). 每两个人相比,他们能承包的位置的界线是他们坐标的中垂线,能够证明的是,在组成凸包时,在凸包里的人.承包…

The Fortified Forest Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 6400   Accepted: 1808 Description Once upon a time, in a faraway land, there lived a king. This king owned a small collection of rare and valuable trees, which had been…

The Fortified Forest Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 6198   Accepted: 1744 Description Once upon a time, in a faraway land, there lived a king. This king owned a small collection of rare and valuable trees, which had been…

The Fortified Forest Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 7291   Accepted: 2031 Description Once upon a time, in a faraway land, there lived a king. This king owned a small collection of rare and valuable trees, which had been…