cs-lab34/main.cpp

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

int main()
{
    size_t number_count, bin_count;
    const size_t SCREEN_WIDTH = 80;
    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;

    cerr << "Enter number count: ";
    cin >> number_count;

    vector<double> numbers(number_count);

    cerr <<"Numbers: ";
    for (size_t i=0; i< number_count; i++) {
        cin >> numbers[i];
    }
    cerr << "Enter bin count: ";
    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;
            }
            else if (x > max) {
                max = x;
            }
        }

    double bin_size = (max - min) / bin_count;

    size_t max_count = 0;

    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]++;
            if (bins[j] > max_count) {
                    max_count = bins[j];
                }
            found = true;
        }
    }
      if (!found) {
        bins[bin_count - 1]++;
         if (bins[bin_count - 1] > max_count) {
                max_count = bins[bin_count - 1];
            }
    }
}
 for (size_t i = 0; i < bin_count; i++) {
        size_t height = 0;

        if (max_count > MAX_ASTERISK) {
            height = static_cast<size_t>(MAX_ASTERISK * static_cast<double>(bins[i]) / max_count);
        }
         else {
            height = bins[i];
        }
       if (bins[i] < 10) {
            cout << "  " << bins[i] << "|";
        } else if (bins[i] < 100) {
            cout << " " << bins[i] << "|";
        } else {
            cout << bins[i] << "|";
        }
        for (size_t j = 0; j < height; j++) {
            cout << "*";
        }
        cout << endl;
    }
}