cs-lab03/main_original.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 numberCount, binCount, maxCount;
    double maxx, minn;
    cerr << "Enter number count: ";
    cin >> numberCount;
    vector<double> numbers(numberCount);
    cerr << "Fill array \"numbers\"\n";
    for (int i = 0; i < numberCount; i++) {
        cin >> numbers[i];
    }
    maxx = numbers[0];
    minn = numbers[0];
    for (auto el: numbers) {
        if (el > maxx) {
            maxx = el;
        }
        if (el < minn) {
            minn = el;
        }
    }
    cerr << "Enter bin count: ";
    cin >> binCount;
    double binSize = (maxx - minn) / binCount;
    vector<size_t> bins(binCount);
    maxCount = 0;
    for (size_t i = 0; i < numberCount; i++) {
    bool found = false;
    for (size_t j = 0; (j < binCount - 1) && !found; j++) {
        auto lo = minn + j * binSize;
        auto hi = minn + (j + 1) * binSize;
        if ((lo <= numbers[i]) && (numbers[i] < hi)) {
            bins[j]++;
            found = true;
            if (bins[j] > maxCount) {
                maxCount = bins[j];
            }
        }
    }
       if (!found) {
        bins[binCount - 1]++;
        if (bins[binCount - 1] > maxCount) {
                maxCount = bins[binCount - 1];
            }
    }
    }
    for (auto bin: bins) {
        if (bin < 100) {
            cout << " ";
        }
        if (bin < 10) {
            cout << " ";
        }
        size_t height = maxCount < MAX_ASTERISK? bin: MAX_ASTERISK * (static_cast<double>(bin) / maxCount);
        cout << bin << "|" << string(height, '*');
        cout << "\n";
    }
    return 0;
}