OJ-Problems-Source/HDOJ/3432_autoAC.cpp
2016-09-04 14:10:14 +08:00

65 lines
1.6 KiB
C++

#include<cstdio>
#include<iostream>
#include<cstring>
#include<cmath>
using namespace std;
const double eps=1e-6;
int dcmp(double x)
{
if(fabs(x)<eps)return 0;
else return x<0?-1:1;
}
int main()
{
double width,height,door,workers;
while(scanf("%lf%lf%lf%lf",&width,&height,&door,&workers))
{
if(width==0&&height==0&&door==0&&workers==0)break;
double area=width*height;
area/=workers;
double d1=width-door;
double prex=width;
double prey=0;
for(int i=0;i<workers-1;++i)
{
double tmp=area;
double x,y;
if(dcmp(prey-height)!=0)
{
if(dcmp(prex-width)==0)
{
x=width;
y=2*tmp/d1+prey;
if(y>height)
{
tmp-=(height-prey)*d1/2;
y=height;
x=width-tmp*2/y;
}
}
else if(dcmp(prex)==0)
{
x=0;
y=prey-2*tmp/door;
}
}
else
{
y=height;
x=prex-tmp*2/height;
if(x<0)
{
tmp=tmp-prex*prey/2;
x=0;
y=height-tmp*2/door;
}
}
prex=x;
prey=y;
printf("%.3lf %.3lf ",x,y);
}
printf("\n");
}
return 0;
}