Dancing Stars on Me Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others) Total Submission(s): 592    Accepted Submission(s): 315 Problem Description The sky was brushed clean by the wind and the stars were cold in a b…

Dancing Stars on Me Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 186    Accepted Submission(s): 124 Problem Description The sky was brushed clean by the wind and the stars were cold in a bl…

Dancing Stars on Me Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5533 Description The sky was brushed clean by the wind and the stars were cold in a black sky. What a wonderful night. You observed that, somet…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5533 Dancing Stars on Me Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 601    Accepted Submission(s): 320 Problem Description The sky was brush…

Dancing Stars on Me Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 223    Accepted Submission(s): 151 Problem Description The sky was brushed clean by the wind and the stars were cold in a bl…

Dancing Stars on Me Problem Description The sky was brushed clean by the wind and the stars were cold in a black sky. What a wonderful night. You observed that, sometimes the stars can form a regular polygon in the sky if we connect them properly. Yo…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5533 题意:平面图中 有n个点给你每个点的坐标,判断是否能通过某种连线使得这些点所组成的n边形为 正n变形: 很容易发现在一个n变形中,所有的点之间的距离只有n/2种,所以我们只需判断一下这n个点之间的距离是否只有n/2种即可; #include<stdio.h> #include<string.h> #include<algorithm> #include<iost…

Problem Description The sky was brushed clean by the wind and the stars were cold in a black sky. What a wonderful night. You observed that, sometimes the stars can form a regular polygon in the sky if we connect them properly. You want to record the…

Problem Description The sky was brushed clean by the wind and the stars were cold in a black sky. What a wonderful night. You observed that, sometimes the stars can form a regular polygon in the sky if we connect them properly. You want to record the…

链接:传送门 题意:给出 n 个点,判断能不能构成一个正 n 边形,这 n 个点坐标是整数 思路:这道题关键就在与这 n 个点坐标是正整数!!!可以简单的分析,如果 n != 4,那一定就不能构成正 n 边形,否则暴力一下找到最小距离,这个最小距离一定是最短边长,暴力查找一下等于这个边长边的个数,如果是 4 个就能构成正 4 边形了 balabala: 分析 + 暴力出奇迹,出题人还是蛮有趣的!希望能在比赛中get到这些关键点. A strong man will struggle with t…