Vision

题目链接：点击打开链接 Description Nowadays all circuses in Berland have a round arena with diameter 13 meters, but in the past things were different. In Ancient Berland arenas in circuses were shaped

传送门：http://acm.hdu.edu.cn/showproblem.php?pid=6127 Hard challenge Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others) Total Submission(s): 633    Accepted Subm

题目链接：点击打开链接 Description You are a member of the space station engineering team, and are assigned a task in the construction process of the station. You are expected to write a computer program t

题目链接：点击打开链接 Beauty Contest Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 35352 Accepted: 10943 Description Bessie, Farmer John's prize cow, has ju

 一.简单枚举算法的不足 上一次介绍了一个基本的求平面最远点对的算法 即先求点集的凸包 然后枚举凸包上的点来求最远点集 这是利用了凸包上的点相比 点集中的点 一般是很少的 平均情况很好 并且我们也能AC这个问题 但是这是有局限性的 当凸包上的点达到O(N)的级别时 凸包的优化作用就不存在了 不过我们还要考虑到 凸包还起了对凸包上点集排序的作用 凸包有很多的

题目链接：点击打开链接 Description The DIY Furniture company specializes in assemble-it-yourself furniture kits. Typically, the pieces of wood are attached to one another using a wooden peg that fits into

题目链接：点击打开链接 Description A fisherman named Etadokah awoke in a very small island. He could see calm, beautiful and blue sea around the island. The previous night he had encountered a terrible sto

Description Being well known for its highly innovative products, Merck would definitely be a good target for industrial espionage. To protect its brand-new research and development facility the com

题目链接：点击打开链接 Description The GX Light Pipeline Company started to prepare bent pipes for the new transgalactic light pipeline. During the design phase of the new pipe shape the company ran into t

#include #include #include #include #include #include using namespace std; struct point{ double x,y; }; struct TRI{ int x1,x2,x3,y1,y2,y3; }Tri[60]; struct CIR{ int x,y,r; }Cir[60];