Matura2017

/**
 * Created by operator on 07.03.2017.
 */
public class Punkty {
    double x;
    double y;

    public Punkty(double x, double y) {
        this.x = x;
        this.y = y;
    }

    public double getX() {
        return x;
    }

    public void setX(double x) {
        this.x = x;
    }

    public double getY() {
        return y;
    }

    public void setY(double y) {
        this.y = y;
    }
}



///////////////////////////////////////////////////////////////

/**
 * Created by operator on 07.03.2017.
 */
public class Okrag implements Comparable<Okrag>{
    double x;
    double y;
    double z;

    public Okrag(double x, double y, double z) {
        this.x = x;
        this.y = y;
        this.z = z;
    }

    public double getX() {
        return x;
    }

    public void setX(double x) {
        this.x = x;
    }

    public double getY() {
        return y;
    }

    public void setY(double y) {
        this.y = y;
    }

    public double getZ() {
        return z;
    }

    public void setZ(double z) {
        this.z = z;
    }


    @Override
    public int compareTo(Okrag o) {
        if (this.getX()<o.getX()) return -1;
        else if (this.getX()>o.getX()) return 1;
        else  if (this.getY()<o.getY()) return -1;
            else if (this.getY()>o.getY()) return 1;
            else return 0;

    }

    @Override
    public String toString() {
        return x + " " + y + " " + z;
    }
}


////////////////////////////////////////////////////////////////////////////////////

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

/**
 * Created by operator on 07.03.2017.
 */

public class Matura2017 {
    public static double distanceSqrt(double ax,double ay,double bx,double by){
        return Math.sqrt((ax-bx)*(ax-bx)+(ay-by)*(ay-by));
    }

    public static double distanceNoSqrt(double ax,double ay,double bx,double by){
        return (ax-bx)*(ax-bx)+(ay-by)*(ay-by);
    }

    public static double obliczPole(double ax,double ay,double bx,double by,double cx,double cy){
        double s_ab=distanceSqrt(ax,ay,bx,by);
        double s_ac=distanceSqrt(ax,ay,cx,cy);
        double s_bc=distanceSqrt(bx,by,cx,cy);
        double p=(s_ab+s_bc+s_ac)/2;
        //System.out.println("P ="+p);
        //System.out.println("Pole ="+pole);
        //System.out.println("M ="+Math.sqrt(p*(p-s_ab)*(p-s_ac)*(p-s_bc)));
        return Math.sqrt(p*(p-s_ab)*(p-s_ac)*(p-s_bc));
    }

    public static void main(String[] args) throws FileNotFoundException {
        File file1=new File("punkty.txt");
        File file2=new File("okregi.txt");
        PrintWriter wyniki1=new PrintWriter("wyniki1.txt");
        PrintWriter wyniki2=new PrintWriter("wyniki2.txt");
        PrintWriter wyniki3=new PrintWriter("wyniki3.txt");
        Scanner scanner=new Scanner(file1);
        int liczba=0;
        int [] cwiartki={0,0,0,0,0};
        String wiersz;
        String [] punkty;
        ArrayList<Punkty> lista=new ArrayList<Punkty>();
        while (scanner.hasNextLine()){
            wiersz=scanner.nextLine();
            punkty=wiersz.split(" ");
            lista.add(new Punkty(Double.parseDouble(punkty[0]),Double.parseDouble(punkty[1])));
            if (Double.parseDouble(punkty[0])>0 && Double.parseDouble(punkty[1])>0)
                cwiartki[1]++;
            else if (Double.parseDouble(punkty[0])<0 && Double.parseDouble(punkty[1])>0)
                cwiartki[2]++;
            else if (Double.parseDouble(punkty[0])<0 && Double.parseDouble(punkty[1])<0)
                cwiartki[3]++;
            else cwiartki[4]++;
        }
        wyniki1.println(cwiartki[1]+" "+cwiartki[2]+" "+cwiartki[3]+" "+cwiartki[4]);
        wyniki1.close();
        //######
        ArrayList<Okrag> tablica=new ArrayList<Okrag>();
        scanner=new Scanner(file2);
        String [] okregi;
        while (scanner.hasNextLine()){
            wiersz=scanner.nextLine();
            okregi=wiersz.split(" ");
            tablica.add(new Okrag(Double.parseDouble(okregi[0]),Double.parseDouble(okregi[1]),Double.parseDouble(okregi[2])));
        }
        //System.out.print(tablica);
        Collections.sort(tablica);
        int licznik=0;
        for (Okrag i:tablica
             ) {
            if ((distanceSqrt(i.getX(), i.getY(), i.getX(),0) == i.getZ())) {
                wyniki2.println(i);
                licznik++;
                }
            }
        wyniki2.println(licznik);
        wyniki2.close();
        //##################
        double pole=0;
        double p;
       // System.out.println(distanceSqrt(51,284,0,5184));
        for (int i=0;i<lista.size()-1;i=i+1){
            pole=pole+obliczPole(lista.get(i).getX(),lista.get(i).getY(),lista.get(i+1).getX(),lista.get(i+1).getY(),0,0);
        }
pole=pole+obliczPole(lista.get(lista.size()-1).getX(),lista.get(lista.size()-1).getY(),lista.get(0).getX(),lista.get(0).getY(),0,0);
         wyniki3.println((int)pole);
         wyniki3.close();
        System.out.println("POLE "+(int)pole);
      }
}