Problem 1330 Center of Gravity Accept: 443    Submit: 830Time Limit: 1000 mSec    Memory Limit : 32768 KB  Problem Description Given a sector of radius R, central angle P. You are to calculate the distance between the center of gravity and the center…
The Center of Gravity Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3971    Accepted Submission(s): 2280 Problem Description Everyone know the story that how Newton discovered the Universal Gr…
Lifting the Stone Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4819    Accepted Submission(s): 2006 Problem Description There are many secret openings in the floor which are covered by a big…
题目链接 Problem Description Everyone know the story that how Newton discovered the Universal Gravitation. One day, Newton walked  leisurely, suddenly, an apple hit his head. Then Newton discovered the Universal Gravitation.From then on,people have sovle…
http://acm.hdu.edu.cn/showproblem.php?pid=2105 Problem Description Everyone know the story that how Newton discovered the Universal Gravitation. One day, Newton walked leisurely, suddenly, an apple hit his head. Then Newton discovered the Universal G…
转载请注明出处:http://blog.csdn.net/u012860063 题目链接:pid=1115">http://acm.hdu.edu.cn/showproblem.php? pid=1115 Lifting the Stone Problem Description There are many secret openings in the floor which are covered by a big heavy stone. When the stone is lift…
题意: 两个凸多面体,可以任意摆放,最多贴着,问他们重心的最短距离. 解法: 由于给出的是凸多面体,先构出两个三维凸包,再求其重心,求重心仿照求三角形重心的方式,然后再求两个多面体的重心到每个多面体的各个面的最短距离,然后最短距离相加即为答案,因为显然贴着最优. 求三角形重心见此: http://www.cnblogs.com/whatbeg/p/4234518.html 代码:(模板借鉴网上模板) #include <iostream> #include <cstdio> #in…
题意:求一个不规则简单多边形的重心. 解法:多边形的重心就是所有三角形的重心对面积的加权平均数. 关于求多边形重心的文章: 求多边形重心 用叉积搞一搞就行了. 代码: #include <iostream> #include <cstdio> #include <cstring> #include <cstdlib> #include <cmath> #include <algorithm> #define Mod 100000000…
链接:https://www.nowcoder.com/acm/contest/141/J来源:牛客网 Eddy has graduated from college. Currently, he is finding his future job and a place to live. Since Eddy is currently living in Tien-long country, he wants to choose a place inside Tien-long country…
Wall Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 28157   Accepted: 9401 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…