cs-lab34a/text.cpp

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

using namespace std;

const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;

void
show_histogram_text(vector<size_t> bins) {
    size_t bin_max_size = 0;
    for (auto bin : bins) {
        if (bin_max_size < bin) {
            bin_max_size = bin;
        }
    }
    double k = double(MAX_ASTERISK) / bin_max_size;
    if (k > 1) {
        k = 1;
    }
    for (size_t bin = 0; bin < bins.size(); bin++) {
        if (bins[bin] < 100) {
            cout << " ";
        }
        if (bins[bin] < 10) {
            cout << " ";
        }
        cout << bins[bin] << "|";
        for (size_t i = 0; i < bins[bin] * k; i++) {
            cout << "*";
        }
        cout << endl;
    }
}