#include<fstream.h>

#include<conio.h>

#include<math.h>

#include<stdlib.h>

struct punct{int x,y;};

int X,Y;

punct v[20];

int n;

int S;

int xs,ys,xd,yd;

void taiere(int x1,int y1,int x2,int y2)

//x1,y1; x2,y2-coordonatele coltului stg-jos,dr-sus;

{int g=0,poz;

for(int i=1;i<=n && !g;i++)//ma opresc cand dau peste o perforatie in interiorul suprafetei

if(v[i].x>x1 && v[i].x<x2 && v[i].y>y1 && v[i].y<y2)

{g=1;

poz=i;}

if (g==1)

{taiere(x1,v[poz].y,x2,y2); //deasupra

taiere(x1,y1,x2,v[poz].y);//dedesupt

taiere(x1,y1,v[poz].x,y2);//stanga

taiere(v[poz].x,y1,x2,y2);//dreapta

}

else if ((x2-x1)*(y2-y1)>S)

{xs=x1;

ys=y1;

xd=x2;

yd=y2;

S=(x2-x1)*(y2-y1);

}

}

void main()

{clrscr();

fstream f("placa.in",ios::in);

if(f)

cout<<"ok";

else

cout<<"eroare";

f>>n;

for(int i=1;i<=n;i++)

f>>v[i].x>>v[i].y;

f>>X>>Y;

taiere(0,0,X,Y);

cout<<endl<<"Cea mai mare suprafata neperforata are coordonatele ("<<xs<<","<<ys<<");("<<xd<<","<<yd<<")"<<endl;

cout<<"Are suprafata "<<S;

getch();

}