cs-lab34/main.cpp

#include <iostream>
#include <vector>

 using namespace std;

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

 int main() {
    size_t number_count;

     cerr << "Enter number count: ";
    cin >> number_count;
    vector<double> numbers(number_count);

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

     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_count;
    cerr << "Enter bin count: ";
    cin >> bin_count;
    vector<size_t> bins(bin_count);
    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 max_bin = bins[0];
    for (size_t i = 1; i < bin_count; i++){
        if (bins[i] > max_bin) max_bin = bins[i];
    }

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