cs-lab34/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;
    size_t max_count = 0;
    size_t max_count_bin;
    size_t number_count;
    cerr << "Enter number count: ";
    cin >> number_count;
    vector<double> numbers(number_count);
    cerr << "Enter numbers: ";
    for (int i = 0; i < number_count; i++)
    {
        cin >> numbers[i];
    }
    size_t bin_count;
    cerr << "Enter bin count: ";
    cin >> bin_count;
    vector<size_t > bins(bin_count);
    double max = numbers[0];
    double min = numbers[0];
    for (double x : numbers)
    {
        if (x > max)
            max = x;
        if (x < min)
            min = x;

    }
    for (size_t i = 0; i < number_count; i++) {
        if (numbers[i] < min)
            min = numbers[i];
        if (numbers[i] > max)
            max  = numbers[i];


    }
    double bin_size = ((max - min) / bin_count);

    for (size_t i = 0; i < number_count; i++)
    {
        bool found = false;
        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
        {
            auto lo = min + j * bin_size;
            auto hi = min + (j + 1) * bin_size;
            if ((lo <= numbers[i]) && (numbers[i] < hi))
            {
                bins[j]++;
                found = true;
            }
        }
        if (!found)
        {
            bins[bin_count - 1]++;
        }
        for (size_t i = 0; i < bin_count; i++)
        {
            if (bins[i] > max_count)
            {
                max_count = bins[i];
                max_count_bin = i;
            }
        }
    }


    vector<size_t> bins_height(bin_count);
    if (max_count > MAX_ASTERISK) {
        for (size_t i = 0; i < bin_count; i++) {
            bins_height[i]= MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
        }
    }
    else {
        for (size_t i = 0; i < bin_count; i++) {
            bins_height[i] = bins[i];
        }
    }

    for (size_t i = 0; i < bin_count; i++) {
        if (bins[i] < 100) {
            cout << " ";
            if (bins[i] < 10) {
                cout << " ";
            }
        }
        cout << bins[i] << "|";
        for (size_t j = 0; j < bins_height[i]; j++) {
            cout << "*";
        }
        cout << endl;
    }


     size_t histogram_height;
     cerr << "Enter the histogram height" << endl;
     cin >> histogram_height;
     size_t  C = (histogram_height / bin_count);
     //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> 3:

     if (C >= 1) {
         for (size_t i = 0; i < bin_count; i++) {
             if (bins[i] < 100) {
                 cout << " ";
                 if (bins[i] < 10) {
                     cout << " ";
                 }
             }
             cout << bins[i];
             cout << "|";
             for (size_t j = 0; j < bins_height[i]; j++) {
                 cout << "*";
             }
             cout << endl;

             for (size_t g = 1; g < C; g++) {
                 cout << "   ";
                 cout <<  "|";

                 for (size_t j = 0; j < bins_height[i]; j++) {
                     cout << "*";
                 }
                 cout << endl;

             }
         }
     }
     else
    {
         cout << "Histogram height is too small";
     }

    return 0;
}