cs-lab34-test/main.cpp

#include <iostream>
#include <vector>
#include "histogram.h"

using namespace std;
const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;

struct Input {
    vector<double> numbers;
    size_t bin_count{};
};

Input input_data() {

    size_t number_count;

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

    Input in;

    cerr << "Enter number of bins: ";
    cin >> in.bin_count;

    in.numbers.resize(number_count);

    cerr << "Enter numbers: ";
    for (size_t i = 0; i < number_count; i++)
    {
        cin >> in.numbers[i];
    }

    return in;
}


void show_histogram_text(const vector<size_t> &bins){
    size_t maxbin = bins[0];
    for (size_t i=1; i < bins.size(); i++){
        if (maxbin < bins[i]){
            maxbin = bins[i];
        }
    }
    if (maxbin <=MAX_ASTERISK){
        for ( size_t i=0; i < bins.size(); i++ ){
            if ((bins[i] < 1000)&&(bins[i] > 99)){
                cout << bins[i] << "|";
                for ( size_t j=0; j < bins[i]; j++ ){
                    cout << "*";
                }
            cout << endl;
            } else if ((bins[i] < 100)&&(bins[i]>9)) {
                cout << " " << bins[i] << "|";
                for ( size_t j=0; j < bins[i]; j++ ){
                    cout << "*";
                }
            cout << endl;
            } else if ( bins[i] < 10 ){
                cout << "  " << bins[i]<< "|";
                for ( size_t j=0; j < bins[i]; j++ ){
                    cout << "*";
                }
                cout << endl;
            }
        }
    } else {
        for (size_t i=0; i < bins.size(); i++){
            size_t heightG= MAX_ASTERISK * (static_cast<double>(bins[i]) / maxbin);
            if ((bins[i] < 1000)&&(bins[i] > 99)){
                cout << bins[i] << "|";
                for ( size_t j=0; j < heightG; j++ ){
                    cout << "*";
                }
                cout << endl;
            } else if ((bins[i] < 100)&&(bins[i]>9)) {
                cout << " " << bins[i] << "|";
                for ( size_t j=0; j < heightG; j++ ){
                    cout << "*";
                }
                cout << endl;
            } else if ( bins[i] < 10 ){
                cout << "  " << bins[i]<< "|";
                for ( size_t j=0; j < heightG; j++ ){
                    cout << "*";
                }
                cout << endl;
                }
            }
        }
}

int main(){

    Input in = input_data();

    auto bins = make_histogram(in.numbers, in.bin_count);

    show_histogram_text(bins);


    }