#include <iostream>
#include <vector>

const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;

using namespace std;

int main()
{

    cout << "Enter A and B: ";
    int a, b;
    cin >> a >> b;

    size_t number_count, bin_count;

    cerr << "Enter number count: ";
    cin >> number_count;
    cout << "A + B = " << a + b << '\n'
     << "A - B = " << a - b << '\n';


    cerr << "Enter numbers: ";

    vector<double> numbers(number_count);

    for (int i = 0; i < number_count; i++)
    {
        cin >> numbers[i];
    }

    cerr << "Enter bin count: ";
    cin >> bin_count;

    vector<double> bins(bin_count);
    vector<int> count(number_count);
    vector<double> height(bin_count);

    int max_count = bins[0];
    double min = numbers[0];
    double max = numbers[0];
    for (double x : numbers)
    {

        if (x < min)
        {
            min = x;
        }

        else 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]++;
                count[j]++;
                found = true;
            }
        }

        if (!found)
        {
            bins[bin_count - 1]++;
            count[bin_count - 1]++;
        }
    }
    for (int i = 0; i < bin_count; i++)
    {
        if (bins[i] > max_count)
        {
            max_count = bins[i];
        }
    }

    for (int i = 0; i < bin_count; i++)
    {
        height[i] = (MAX_ASTERISK * count[i]) / max_count;
    }

    for (int i = 0; i < bin_count; i++)
    {

        if (bins[i] < 100)
        {
            cout << " ";
        }

        if (bins[i] < 10)
        {
            cout << " ";
        }

        cout << bins[i] << "|";

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

    return 0;
}