import java.awt.Graphics;
import java.applet.Applet;
import java.awt.Color;
public class seg1 extends java.applet.Applet{
  Color col1,col2,col3;
  int N,taka,haba;
  int k,i,j,l;
  String NS,habaS,takaS;
  double Nd,takad,habad;

  public double dou(String dous){
    double dou1;
    dou1 = (Double.valueOf(dous)).doubleValue();
    return dou1;
  }

  public double rand(){
    double rand1;
    rand1=Math.random();
    return rand1;
  }

  public void init(){
    col1=Color.black;
    col2=Color.green;
    col3=Color.white;
    takaS=getParameter("takap");
    habaS=getParameter("habap");
    NS=getParameter("Np");
    habad=dou(habaS);
    takad=dou(takaS);
    Nd=dou(NS);
    haba=(int)habad;
    taka=(int)takad;
    N=(int)Nd;
    if(N==20){
      N=4+(int)(46*rand());
    }
  }
  double xs[]=new double[100];
  double ys[]=new double[100];
  double xe[]=new double[100];
  double ye[]=new double[100];
  int xsI[]=new int[100];
  int ysI[]=new int[100];
  int xeI[]=new int[100];
  int yeI[]=new int[100];
  double s[]=new double[100];
  String sss[]=new String[100];

  public double jou(double a,double b){
    double jou1;
    jou1=Math.pow(a,b);
    return jou1;
  }



  //main function
  //main�֐�
  public void paint(java.awt.Graphics g){
    g.setColor(col1);
    g.fillRect(1,1,haba,taka);
    g.setColor(col2);
    g.drawString("N="+N,15,15);
    for(k=0;k<N;k++){
      xs[k]=rand()*(haba-30)+15;
      ys[k]=rand()*(taka-30)+15;
      xsI[k]=(int)(xs[k]+0.5);
      ysI[k]=(int)(ys[k]+0.5);
      xe[k]=rand()*(haba-30)+15;
      ye[k]=rand()*(taka-30)+15;
      xeI[k]=(int)(xe[k]+0.5);
      yeI[k]=(int)(ye[k]+0.5);
      g.setColor(col3);
      g.drawLine(xsI[k],ysI[k],xeI[k],yeI[k]);
      g.setColor(col2);
      g.drawString(""+k,(xsI[k]+xeI[k])/2,(ysI[k]+yeI[k])/2);
    }
  }
}