cs-lab34/main.cpp

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

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;
    in.numbers.resize(number_count);

    for (int i = 0; i < number_count; i++)
    {
        cin >> in.numbers[i];
    }
    cerr << "Vvedite bin_count = ";
    cin >> in.bin_count;
    return in;
}

int main() {
    Input in = input_data();
    for (int i = 0; i < in.numbers.size(); i++) {
        if (numbers[i] < minimum)
            minimum = numbers[i];
        if (numbers[i] > maximum)
            maximum = numbers[i];
    }

    double bin_size = (maximum - minimum) / bin_count;
    LL = minimum;
    LR = minimum + bin_size;

    for (int i = 0; i < bin_count; i++) {
        if (i == 0) {
            for (int b = 0; b < number_count; b++) {
                if ((LL <= numbers[b]) && (numbers[b] < LR))
                    bins[i] += 1;

            }
            LL = LR;
            LR = LL + bin_size;
        }
        if (i == (bin_count - 1)) {
            LR = maximum;
            for (int b = 0; b < number_count; b++) {
                if ((LL < numbers[b]) && (numbers[b] <= LR))
                    bins[i] += 1;
            }
            break;
        }
        if ((i != 0) && (i != (bin_count - 1))) {
            for (int b = 0; b < number_count; b++) {
                if ((LL < numbers[b]) && (numbers[b] < LR))
                    bins[i] += 1;
            }
            LL = LR;
            LR = LL + bin_size;
        }
    }

    const size_t SCREEN_WIDTH = 80;
    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
    max_count = 0;
    for (int i = 0; i < bin_count; i++) {
        if (bins[i] > max_count)
            max_count = bins[i];
    }

    for (int i = 0; i < bin_count; i++) {
        if ((i + 1) < bin_count)
            he_next = bins[i + 1];
        else
            he_next = -1;
        if (bins[i] < 10) {
            cout << " ";
        }
        if (bins[i] < 100) {
            cout << " ";
        }
        cout << bins[i] << "|";
        if (max_count > 76) {
            height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
            if ((i+1) < bin_count)
                he2_next = MAX_ASTERISK * (static_cast<double>(bins[i + 1]) / max_count);
            else
                he2_next = -1;
            for (int b = 0; b < height; b++) {
                if (b == he2_previous)
                    cout << "^";
                if (b == he2_next)
                    cout << "˅";
                if ((b != (he2_previous - 1)) && (b != (he2_next - 1)))
                    cout << "*";
            }
            he2_previous = height;
        }
        else {
            for (int b = 0; b < bins[i]; b++) {
                if (b == (he_previous-1))
                    cout << "^";
                if (b == (he_next - 1))
                    cout << "v";
                if ((b != (he_previous - 1)) && (b != (he_next - 1)))
                    cout << "*";
            }
        }
        cout << endl;
        he_previous = bins[i];
    }
    return 0;
}