cs-lab34/lab01/main.cpp

#include <iostream>
#include <vector>
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() {
    Input in;
    size_t number_count;
    cin >> number_count;
    in.numbers.resize(number_count);
    vector<double> numbers(number_count);
    for (size_t i = 0; i < number_count; i++) {
        cin >> numbers[i];}
    size_t bin_count;
    cin >> bin_count;
    return in;}

int main()
{
    size_t number_count, bin_count;
    Input in = input_data();
    size_t number_count = size(numbers)
    cerr << "Enter number count: ";
    cin>>number_count;
    vector<double> numbers(number_count);
    cerr << "Enter 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 number : numbers) {
        if (number < min) {
            min = number;
        }
        else if (number > max) {
            max = number;
        }
    }
    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];}
    }


    for (size_t bin: bins){
        size_t height;

        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++){//height
            cout<< "*";
        }
        cout << "\n";
    }
    return 0;
}