Што не так С++
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#include
using namespace std;
int main()
{
double ab,ad,ax,ay,bx,by,dx,dy,cx,cy,o1,o2,d1,d2,v;
if(ax,ay,bx,by,dx,dy,cx,cy < 100);
cin>>ax>>" ">>ay;
cin>>bx>>" ">>by;
cin>>cx>>" ">>cy;
cin>>dx>>" ">>dy;
ab=bx-ax;
ad=ay-dy;
v=2*(ab*ab+ad*ad);
v=d1+d2;
d1=d2-ad;
o1=ad;
o2=ab;
o1,o2,d1,d2;~0,001;
cout<