import java.awt.Graphics;
import java.applet.Applet;
import java.awt.Color;
public class uni extends java.applet.Applet{
    Color col1,col2;
    int N,taka,haba,ni,nj;
    int xz,xz2,yz,yz2,label;
    String NS,habaS,takaS;
    double Nd,takad,habad,th;
    Color cl[]=new Color[13];
    int m;
  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.yellow;
    cl[0]=Color.white;
    cl[1]=Color.cyan;
    cl[2]=Color.green;
    takaS=getParameter("takap");
    habaS=getParameter("habap");
    NS=getParameter("Np");
    habad=dou(habaS);
    takad=dou(takaS);
    Nd=4-5000*Math.log(rand());
    haba=(int)habad;
    taka=(int)takad;
    N=(int)Nd;
    int irand;
    irand=(int)(4*rand());
    if(irand==0){
        m=1;
    }
    if(irand==1){
        m=5;
    }
    if(irand==2){
        m=(int)(100*rand()+1);
    }
    if(irand==3){
        m=100;
    }
  }
  double x1;
  double y1;
  int x;
  int y;
  double s;
  String sss;
  public double jou(double a,double b){
    double jou1;
    jou1=Math.pow(a,b);
    return jou1;
  }
  public double arcsinaw(double atasw){
    double artn1saw;
    artn1saw=Math.asin(atasw);
    return artn1saw;
  }
  public double d(double d1,double d2,double d3,double d4){
    double dw;
    dw=jou(jou(d3-d1,2.0)+jou(d4-d2,2.0),0.5);
    return dw;
  }

    public void paint(java.awt.Graphics g){
        int i;
        g.setColor(col1);
        g.fillRect(1,1,haba,taka);
        double dm;
        int ivmax;
        int irand;
        int vrand[]=new int[101];
        for(i=0;i<=m;i++){
            vrand[i]=0;
        }//i
        dm=0.0;
        ivmax=0;
        for(i=0;i<N;i++){
            irand=(int)((m+1)*rand());
            vrand[irand]=vrand[irand]+1;
            if(vrand[irand]>ivmax){
                ivmax=vrand[irand];
            }
            dm=dm+irand/(N+0.0);
        }//i
        g.setColor(Color.white);
        g.drawLine(1,290,500,290);
        g.drawString("0",(int)(30+225/(m+1)),305);
        g.drawString(""+m,(int)(30+m*450/(m+1)+225/(m+1)),305);
        for(i=0;i<=m;i++){
            g.setColor(Color.yellow);
            g.fillRect((int)(30+i*450/(m+1)),(int)(290-vrand[i]*250/ivmax),(int)(450/(m+1)-1),(int)(vrand[i]*250/ivmax));
            g.setColor(Color.cyan);
            g.drawString(""+vrand[i],(int)(30+i*450/(m+1)),(int)(290-vrand[i]*250/ivmax));
            g.setColor(Color.pink);
            g.drawLine((int)(30+i*450/(m+1)),(int)(290-N*250/(m+1)/ivmax),(int)(29+(i+1)*450/(m+1)),(int)(290-N*250/(m+1)/ivmax));
        }//i
        g.setColor(Color.green);
        g.drawString("N="+N,15,15);
        g.drawString("m="+m,70,15);
        g.drawString("mean="+dm,115,15);
        g.drawString("l_mean="+(m/2.0),265,15);

    }
}