//#include <stdio.h>
//#include <stdlib.h>
//#include <string.h>
//#include <math.h>
#include "pssub.h"

void main()
{    
     init();
     viewport(0.2,0.2,0.8,0.8); xyworld(0.0,0.0,1.0,1.0);
     linety(2); rect(0.0, 0.0, 1.0, 1.0);stroke();
     linety(1); newpath();
     plot(0.1, 0.1, 3); plot(0.9, 0.1, 2); 
     plot(0.9, 0.9, 2); plot(0.1, 0.9, 2);
     closepath();
     stroke();
     text(0.02,0.02,"(0.1,0.1)");  text(0.82,0.02,"(0.9,0.1)");
     text(0.02,0.94,"(0.1,0.9)");  text(0.82,0.94,"(0.9,0.9)");

     fin(); 
}