cs-lab34/text.cpp

#include "text.h"
#include <iostream>
#include <vector>
using namespace std;

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

void show_histogram_text(const vector<size_t>& bins) {
    size_t max_count = bins[0];
    for (size_t count : bins) {
        if (count > max_count)
            max_count = count;
    }
    for (size_t j = 0; j < bins.size(); j++) {
        if (bins[j] < 100) cerr << " ";
        if (bins[j] < 10)  cerr << " ";
        cerr << bins[j] << "|";

        size_t height = 0;
        if (max_count > MAX_ASTERISK) {
            height = static_cast<size_t>(
                static_cast<double>(bins[j]) / max_count * MAX_ASTERISK
                );
        }
        else {
            height = bins[j];
        }
        for (size_t i = 0; i < height; i++)
            cerr << "*";
        cerr << endl;
    }
}