题意:给定点A[0~n-1]和B[0],B[1],A[0].A[1]映射到B[0].B[1],求出其余点的映射B[2]~B[n-1]. 析:运用复数类,关键是用模板复数类,一直编译不过,我明明能编译过,交上就不过,只能写一个复数了... 代码如下: #include <cstdio> #include <string> #include <cstdlib> #include <cmath> #include <iostream> #include…

HDU 5130 Signal Interference(计算几何 + 模板) 题目链接http://acm.hdu.edu.cn/showproblem.php?pid=5130 Description Two countries A-Land and B-Land are at war. The territory of A-Land is a simple polygon with no more than 500 vertices. For military use, A-Land co…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4063 Description You are playing a flying game. In the game, player controls an aircraft in a 2D-space. The mission is to drive the craft from starting point to terminal point. The craft needs wireless s…

Wall Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2848    Accepted Submission(s): 811 Problem Description Once upon a time there was a greedy King who ordered his chief Architect to build a w…

爆头 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1447    Accepted Submission(s): 601 Problem Description gameboy是一个CS高手,他最喜欢的就是扮演警察,手持M4爆土匪的头.也许这里有人没玩过CS,有必要介绍一下“爆头”这个术语:所谓爆头,就是子弹直接命中对方的头部,以秒杀…

Convex Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 294    Accepted Submission(s): 220 Problem Description We have a special convex that all points have the same distance to origin point.As y…

链接:http://acm.hdu.edu.cn/showproblem.php?pid=4631 题意:依次给你n个点,每次求出当前点中的最近点对,输出所有最近点对的和: 思路:按照x排序,然后用set维护,每次插入只更新当前点和插入点前后几个位置~ #include <iostream> #include <cstdio> #include <cmath> #include <algorithm> #include <vector> #inc…

转载请注明出处,谢谢http://blog.csdn.net/ACM_cxlove?viewmode=contents    by---cxlove 题目:给出n个城市需要去占领,有m条线段是障碍物,有p个士兵可以用.占领城市有个先后顺序,每个士兵有个背包,占领城市之后,仅能补给一次背包.问背包容量最少是多少,可以用这P个士兵完成任务,起点任意 . http://acm.hdu.edu.cn/showproblem.php?pid=4606 首先:枚举所有顶点,求一下距离,判断是否与线段相交.然…

CSGO Time Limit: 20000/10000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 127    Accepted Submission(s): 20 Problem Description Senior Pan is crazy about CSGO and she is so skilled. She can kill every enemy she sp…

Special Tetrahedron 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5839 Description Given n points which are in three-dimensional space(without repetition). Please find out how many distinct Special Tetrahedron among them. A tetrahedron is called Sp…