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									97f83c59e4
								
							
						
					
					
						Сommit
						bae7a3e404
					
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#include "histogram.h"
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using namespace std;
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static void find_minmax(const vector<double>& numbers, double& min, double& max) {
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    min = numbers[0];
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    max = numbers[0];
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    for (double x : numbers)
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    {
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        if (x < min)
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        {
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            min = x;
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        }
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        else if (x > max)
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        {
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            max = x;
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        }
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    }
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}
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vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count)
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{
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    double min, max;
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    find_minmax(numbers, min, max);
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    double bin_size = (max - min) / bin_count;
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    vector<size_t> bins(bin_count);
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    for (double number : numbers)
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    {
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        bool found = false;
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        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
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        {
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            auto lo = min + j * bin_size;
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            auto hi = min + (j + 1) * bin_size;
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            if ((lo <= number) && (number < hi))
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            {
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                bins[j]++;
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                found = true;
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            }
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        }
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        if (!found)
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        {
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            bins[bin_count - 1]++;
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        }
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    }
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    return bins;
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}
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@ -0,0 +1,10 @@
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#ifndef HISTOGRAM_H_INCLUDED
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#define HISTOGRAM_H_INCLUDED
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#include <vector>
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std::vector<size_t>
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make_histogram(const std::vector<double>& numbers, size_t bin_count);
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#endif // HISTOGRAM_H_INCLUDED
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@ -0,0 +1,43 @@
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#include "text.h"
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using namespace std;
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void show_histogram_text(const vector<size_t>& bins, size_t bin_count) {
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    const size_t SCREEN_WIDTH = 80;
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    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
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    size_t max_count = bins[0];
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    for (size_t i = 0; i < bin_count; i++)
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    {
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        if (bins[i] > max_count) {
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            max_count = bins[i];
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        }
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    }
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    for (size_t i = 0; i < bin_count; i++)
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    {
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        if (bins[i]<10) {
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            cout << "  " << bins[i] << "|";
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            }
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        else if (bins[i]<100) {
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            cout << " " << bins[i] << "|";
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        }
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        else if (bins[i]<1000) {
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            cout << bins[i] << "|";
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        }
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        size_t height;
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        if (max_count<=MAX_ASTERISK) {
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            height = bins[i];
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        }
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        else {
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            height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
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        }
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        for (size_t j = 0; j < height; j++) {
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            cout << "*";
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        }
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        cout << endl;
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    }
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}
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@ -0,0 +1,9 @@
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#ifndef TEXT_H_INCLUDED
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#define TEXT_H_INCLUDED
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#include <vector>
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#include <iostream>
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void show_histogram_text(const std::vector<size_t>& bins, size_t bin_count);
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#endif // TEXT_H_INCLUDED
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