cs-lab34/main.cpp

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

int main(){
    const size_t SCREEN_WIDTH = 80;
    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
    size_t number_count;
    cerr << "Enter amount of numbers \n";
    cin >> number_count;
    vector<double> numbers(number_count);
    for (size_t i = 0; i < number_count; i++){
        cerr << "Input number " << i+1 << endl;
        cin >> numbers[i];
    }
    double minc, maxc;
    minc = maxc = numbers[0];
    for (size_t i = 1; i < number_count; i++ ){
        if(numbers[i] < minc){
            minc = numbers[i];
        }
        else if (numbers[i] > maxc){
            maxc = numbers[i];
        }
    }
    size_t bin_count;
    cerr << "Input number of bins \n";
    cin >> bin_count;
    vector<size_t> bins(bin_count);
    double bin_size = (maxc - minc) / bin_count;
    size_t bin_max_size = 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 = minc + j * bin_size;
            auto hi = minc + (j + 1) * bin_size;
            if ((lo <= numbers[i]) && (numbers[i] < hi)) {
                bins[j]++;
                found = true;
                if (bins[j]> bin_max_size){
                    bin_max_size = bins[j];
                }
            }
        }
        if (!found) {
            bins[bin_count - 1]++;
            if (bins[bin_count - 1]> bin_max_size){
                    bin_max_size = bins[bin_count - 1];
                }
        }
    }
    size_t height;
    for(int i = 0; i<bin_count; i++){
        if(bins[i]<100){
            cout<<" ";
            if(bins[i]<10){
                cout<<" ";
            }
        }
        cout<<bins[i]<<"|";
        if(bin_max_size >= MAX_ASTERISK){
            height = floor(static_cast<double>(bins[i])*76.0f/static_cast<double>(bin_max_size));
        } else {
            height = bins[i];
        }
        for(int j = 0; j<height; j++){
            cout<<"*";
        }

        cout<<endl;
    }

    return 0;
}