FZU-2148-Moon Game,,几何计算~~】的更多相关文章

 FZU 2148  Moon Game Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u   Description Fat brother and Maze are playing a kind of special (hentai) game in the clearly blue sky which we can just consider as a kind of two-dimen…
Moon Game Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice FZU 2148 Description Fat brother and Maze are playing a kind of special (hentai) game in the clearly blue sky which we can just consider as…
Moon Game Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Description Fat brother and Maze are playing a kind of special (hentai) game in the clearly blue sky which we can just consider as a kind of two-dime…
题意:给一些点,问这些点能够构成多少个凸四边形 做法: 1.直接判凸包 2.逆向思维,判凹包,不是凹包就是凸包了 怎样的四边形才是凹四边形呢?凹四边形总有一点在三个顶点的内部,假如顶点为A,B,C,D,则构成四个三角形:ABC,ACD,ABD,BCD,假如某一个三角形(最外的三个顶点)的面积等于另三个三角形面积之和,则是凹四边形. 然后做四个for循环,枚举即可,因为N最多才30. 代码: #include <iostream> #include <cstdio> #include…
                                                                                              Problem 2148 Moon Game Problem Description Fat brother and Maze are playing a kind of special (hentai) game in the clearly blue sky which we can just consid…
1549: Navigition Problem Submit Page    Summary    Time Limit: 1 Sec     Memory Limit: 256 Mb     Submitted: 400     Solved: 122 Description Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a cr…
Jack Straws Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 5428   Accepted: 2461 Description In the game of Jack Straws, a number of plastic or wooden "straws" are dumped on the table and players try to remove them one-by-one witho…
Problem 2148 Moon Game Time Limit: 1000 mSec Memory Limit : 32768 KB  Problem Description Fat brother and Maze are playing a kind of special (hentai) game in the clearly blue sky which we can just consider as a kind of two-dimensional plane. Then Fat…
题目:http://acm.fzu.edu.cn/problem.php?pid=2148 题意:给出n个点,判断可以组成多少个凸四边形. 思路: 因为n很小,所以直接暴力,判断是否为凸四边形的方法是: 如果4个点中存在某个点D,Sabd + Sacd + Sbcd = Sabc,则说明是凹四边形. #include <iostream> #include <cstdio> #include <cstring> #include <cstdlib> #inc…
Accept: 710    Submit: 2038 Time Limit: 1000 mSec    Memory Limit : 32768 KB  Problem Description Fat brother and Maze are playing a kind of special (hentai) game in the clearly blue sky which we can just consider as a kind of two-dimensional plane.…