#include
#include
#include
#include
#include
#include
using?namespace?std;
const?int?MAXX=2010;
const?double?eps=1e-8;
int?nx[MAXX]y[MAXX]a[MAXX<<1];
int?xx[MAXX*10]yy[MAXX*10];
int?totans;
bool?MAP[MAXX][MAXX];
inline?bool?check（double?adouble?b）{
????if（fabs（a-b）<=eps）return?1;
????else?return?0;
}
inline?void?judge（int?aint?bdouble?Adouble?Bdouble?C）{
????bool?flag=0;
????for（int?j=1;j<=n;++j）{
??????????if（j==a||j==b）continue;
??????????double?T=（A*（double）x[j]+B*（double）y[j]+C）/（A*A+B*B）;
??????????double?x0=x[j]-2.0*A*T;
??????????double?xxx1=round（x0）;
??????????int?xxx2=round（x0）;
??????????double?y0=y[j]-2.0*B*T;
??????????double?yyy1=round（y0）;
??????????int?yyy2=round（y0）;
??????????if（!c

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????2315??2020-05-18?13:57??給出平面上N個點的坐標點集，求這N個點有多少條整體對稱軸.整體對稱軸是指一條直線，?對于每個點，都能找到點集中的一個點與他關于這條直線對稱?輸入??輸入的第一行.cpp