#include <iostream>
#include"graphics.h"
using namespace std;

void minmax(int n, double A[], double&Amin, double&Amax)
{
    Amin=A[0];
    Amax=A[0];

    for (int i=1; i<n; i++)
    {
        if(Amin>A[i])
        Amin=A[i];
        if(Amax<A[i])
        Amax=A[i];
    }
}

void Histo(int Dir, int n,double VhodA[],int x0, int y0,double Amin, double s, int ds, int dc)
{
    int x1;
    int x2;
    int y1;
    int y2;


   // int x0,y0;

    for(int i=0; i<n; i++)
    {
         x1=x0+(i+1)*(ds+dc)-dc;
         y1=(y0-(VhodA[i]-Amin)/s);
         x2=x0+(i+1)*(ds+dc);
         y2=0;
         setfillstyle(1,i+3);
         bar(x1,y1,x2,y2);
       // xp=x0 + (Vhodx[i] - xmin)/sx;
       // yp=y0 - (VhodY[i] - ymin)/sy;
      //  circle(xp,yp,5);
        //line (x0,y0,xp,yp);
    }
}

void Axiis(int Dir, int x0,int y0, int D, double min,  int P, double S)
{
    double val;
    double I;
    char intStr[20];
    char* t;
    if(Dir!=0)
    {
    line (x0,y0,x0+P,y0);
    I=(P/D)-1;
        for (int i=0;i<I;i++)
        {
     line(x0+(i*D),y0,(x0+i*D),(y0+3));
     val=min+i*D;
     t=gcvt(val,10,intStr);
     settextjustify(1,2);
     outtextxy(x0+i*D,(y0+3),t);
        }
    }
    if (Dir==0)
    {
        line(x0,y0,x0,(y0-P));
        I=(P/D)-1;
        for(int i=0;i<I;i++)
        {
        line(x0,(y0-(i*D)),(x0-3),(y0-i*D));
        val=min+i*D;
        t=gcvt(val,10,intStr);

        settextjustify(2,1);
        outtextxy(x0-3,(y0-i*D),t);

        }
    }
}
int main()
{
    initwindow(800,600,"");

    double VhodA[6]={3.7, 4.5, 5.1, 6.9, 2.4, 3.1};
   // double VhodB[6,10]={5.7, 1.5, 2.1, 3.9, 4.4, 5.1, 8.2, 7.9};

    int  x0, y0, p, d, ds, dc ;
    x0=50;
    y0=500;
    p = 500;
    d=40;
    ds=40;
    dc=40;

    double Amin, Amax, s;
    minmax(6,VhodA, Amin, Amax);
    if(Amin>0)
    Amin=0;

    if(Amax<0)
    Amax=0;
  //  minmax(8, VhodY, ymin, ymax);
    s=(Amax-Amin)/p;

    Histo(0, 6,VhodA, x0, 500, Amin,  s,  ds,  dc);
   // Axiis(1, x0, y0, s, Amin, p, d);
   // Axiis(0, x0,y0,50,  px, sx);

    getch();
}