cs-lab34/main.cpp

#include <iostream>
#include <vector>


using namespace std;

int main()
{
    // Øèðèíà ýêðàíà äëÿ âûâîäà ãèñòîãðàììû
    const size_t SCREEN_WIDTH = 80;
    // Óâåëè÷åíà øèðèíà äëÿ ïîäïèñåé
    const size_t MAX_ASTERISK = SCREEN_WIDTH - 10;
    setlocale(LC_ALL, "rus");
    size_t number_count;
    cerr << "Ââåäèòå êîëè÷åñòâî çíà÷åíèé: ";
    cin >> number_count;

    vector <double> numbers(number_count);
    for (int i = 0; i < number_count; i++)
    {
        cerr << "Ââåäèòå ÷èñëî ïîä íîìåðîì " << i+1 << ": ";
        cin >> numbers[i];
    }

    size_t bin_count;
    cerr << "Ââåäèòå êîëè÷åñòâî êîðçèí: ";
    cin >> bin_count;

    vector <size_t> bins(bin_count);

    double min = numbers[0];
    double max = numbers[0];
    for (double x : numbers)
    {
        if (x < min)
        {
            min = x;
        }
        if (x > max)
        {
            max = x;
        }
    }

    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]++;
        }
    }

    size_t Maxbins = 0;


    for (size_t i = 0; i < bin_count; i++)
    {
        if (bins[i] > Maxbins)
        {
            Maxbins = bins[i];
        }
    }

    const size_t MAX_HEIGHT = 76;
    double min1 = min;
    if (Maxbins <= MAX_HEIGHT)
    {
        for (size_t i = 0; i < bin_count; i++)
        {
            if (bins[i] < 10)
            {
                cout << " ";
            }
            cout << " " << bins[i] << "|";
            for (size_t j = 0; j < bins[i]; j++)
            {
                cout << "*";
            }
            cout << endl;
            min1+= bin_size;
            cout << min1<< endl;
        }
    }
    else
    {
        for (size_t i = 0; i < bin_count; i++)
        {
            size_t height = static_cast <size_t> (MAX_HEIGHT * (static_cast<double>(bins[i]) / Maxbins));

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