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): 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 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…

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…

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…

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…

题意:给定二维平面上的n个整点,问它们是否都在正n边形的定点上 n<=100,abs(x[i]),abs(y[i])<=1e4 思路:队友做的,抱大腿 可以发现只有n=4时顶点有可能都是整点,判一下对角线与边长就行 我与队友互演,WA了5发…… #include<bits/stdc++.h> using namespace std; #define LL long long ; struct node{ int x,y; }a[maxn]; int dis(int i,int j)…