cs-lab03/main.cpp

#include <iostream>
#include <vector>
using namespace std;

int main()
{
    const size_t SCREEN_WIDTH = 80;
    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
    unsigned int n;
    size_t m;
    int i;
    char sim;
    float lo,hi,dif, maxxs,minxs;
    cerr<< "enter amount of numbers";
    cin>>n;
    vector <float> xs(n);
    cerr<<"let's introduse array";
    for(i=0; i < n; i++)
    {
        cin>> xs[i];
    }
    cerr << "enter amount of intervals";
    cin >> m;
    vector <size_t> b(m);
    maxxs = minxs = xs[0];
    for (i=0; i < n; i++)
    {
        if (xs[i] > maxxs) maxxs=xs[i];
        if (xs[i] < minxs) minxs=xs[i];
    }
    dif=(maxxs - minxs)/m;
    for(int i=0; i < n; i++)
    {
        bool found = false;
        for (int j=0; (j < m-1)&&!found; j++)
        {
            lo= minxs + j*dif;
            hi= minxs + (j+1)*dif;
            if ((lo <= xs[i]) && (xs[i] <hi ))
            {
                b[j]++;
                found = true;
            }
        }
        if (!found)
        {
            b[m - 1]++;
        }
    }
    size_t bmax,height,hem,hep;
    int ibmax;
    bmax=b[0];
    for (i=0; i < m; i++)
    {
        if (b[i] > bmax) bmax=b[i];
        ibmax = i;
    }
    //cout<<bmax<<endl;
    if (bmax > MAX_ASTERISK)
    {
        for(int j=0; j < m; j++)
        {
            if (b[j]<100)
            {
                cout<<" ";
            }
            if (b[j]<10)
            {
                cout<<" ";
            }

            height = 76 * ( static_cast<double>(b[j]) / bmax);
            hem = 76 * ( static_cast<double>(b[j-1]) / bmax);
            hep = 76 * ( static_cast<double>(b[j+1]) / bmax);
            cout<<b[j]<<'|';

            if (j==0)
            {
                for (int u=0; u < height; u++)
                {
                    if ((b[0] > b[1])&&(u == hep - 1)) cout<<'v';
                    else cout<<'*';
                }
            }
            else
            {
                if (j == m)
                {

                    for (int u = 0; u < height; u++)
                    {
                        if ((b[m] > b[m-1])&&(u == hem-1)) cout<<'^';
                        else cout<<'*';
                    }
                }
                else
                {
                    for (int u=0; u < height; u++)
                    {
                        sim='*';
                        if ((b[j] > b[j-1]) && (u == hem)) sim='^';
                        if ((b[j] > b[j+1])&&(u == hep)&&(u != height)&&(u != 0)) sim='V';
                        if ((b[j-1] == b[j+1])&&(u == hep)) sim='N';
                        cout<<sim;
                    }

                }
            }
            cout<<endl;
        }
    }
    for(int j=0; j < m; j++)
        {
            if (b[j]<100)
            {
                cout<<" ";
            }
            if (b[j]<10)
            {
                cout<<" ";
            }

            height = 76 * ( static_cast<double>(b[j]) / bmax);
            hem = 76 * ( static_cast<double>(b[j-1]) / bmax);
            hep = 76 * ( static_cast<double>(b[j+1]) / bmax);
            cout<<b[j]<<'|';

            if (j==0)
            {
                for (int u=0; u < b[i]; u++)
                {
                    if ((b[0] > b[1])&&(u == b[i+1] - 1)) cout<<'v';
                    else cout<<'*';
                }
            }
            else
            {
                if (j == m)
                {

                    for (int u = 0; u < b[i]; u++)
                    {
                        if ((b[m] > b[m-1])&&(u == b[i-1]-1)) cout<<'^';
                        else cout<<'*';
                    }
                }
                else
                {
                    for (int u=0; u < b[i]; u++)
                    {
                        sim='*';
                        if ((b[j] > b[j-1]) && (u == b[i-1])) sim='^';
                        if ((b[j] > b[j+1])&&(u == b[i+1])&&(u != b[i])&&(u != 0)) sim='V';
                        if ((b[j-1] == b[j+1])&&(u == b[i+1])) sim='N';
                        cout<<sim;
                    }

                }
            }
            cout<<endl;
        }
    return 0;
}