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Cod sursa(job #263857)
#include <iostream.h>
#include <fstream.h>
fstream f("reuniune.in",ios::in);
fstream g("reuniune.out",ios::out);
long x0,x1,y0,y1,a1,a2,a3,af,p1,p2,p3,pf;
int main ()
{
f>>x0>>y0>>x1>>y1;
a1=(x1-x0)*(y1-y0);
p1=2*((x1-x0)+(y1-y0));
f>>x0>>y0>>x1>>y1;
a2=(x1-x0)*(y1-y0);
p2=2*((x1-x0)+(y1-y0));
f>>x0>>y0>>x1>>y1;
a3=(x1-x0)*(y1-y0);
p3=2*((x1-x0)+(y1-y0));
af=a1+a2+a3-(a1*a2)-(a2*a3)-(a1*a3)+(a1*a2*a3);
pf=p1+p2+p3-(p1*p2)-(p2*p3)-(p1*p3)+(p1*p2*p3);
g<<af<<" ";
g<<pf;
return 0;
}