build: добавлен doctest

.gitignore

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+/bin
+/obj

head.h

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+#ifndef HEAD_H_INCLUDED
+#define HEAD_H_INCLUDED
+
+#include <vector>
+
+std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);
+
+#endif // HEAD_H_INCLUDED
+

histogram_internal.h

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+#ifndef HISTOGRAM_INTERNAL_H_INCLUDED
+#define HISTOGRAM_INTERNAL_H_INCLUDED
+
+#include <vector>
+
+void find_minmax(const std:: vector<double>& numbers, double& min, double& max)
+
+#endif // HISTOGRAM_INTERNAL_H_INCLUDED

laba1codeblocks.cpp

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+#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 i, j;                                    //ԅ(≖‿≖ԅ)//
+    size_t histo_height;
+    size_t number_count;
+    size_t bin_count;
+    cerr << "Enter number count: ";
+    cin >> number_count;
+    vector<double> numbers(number_count);
+    for (i = 0; i < number_count; i++)
+    {
+        cerr << "Number[" << i << "] is ";
+        cin >> numbers[i];
+    }
+
+
+    double max = numbers[0];
+    double min = numbers[0];
+    for (i = 0; i < number_count; i++)
+    {
+        if (numbers[i] < min)
+            min = numbers[i];
+
+        else if (numbers[i] > max)
+            max = numbers[i];
+    }
+    cerr << "Enter bin count: ";
+    cin >> bin_count;
+
+    cerr << "Enter histo height: ";
+    cin >> histo_height;
+    size_t table_height = histo_height / bin_count;
+
+    vector<size_t> bins(bin_count);
+    double bin_size = (max - min) / bin_count;
+    size_t max_count = 0;
+    for (i = 0; i < number_count; i++)
+    {
+        bool found = false;
+        for (j = 0; (j < bin_count - 1) && !found; j++)
+        {
+            double lo = min + j * bin_size;
+            double hi = min + (j + 1) * bin_size;
+            if ((lo <= numbers[i]) && (numbers[i] < hi))
+            {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found)
+        {
+            bins[bin_count - 1]++;
+        }
+        for (size_t i = 0; i < bin_count; i++)
+        {
+            if (bins[i] > max_count)
+                max_count = bins[i];
+
+        }
+    }
+    size_t height = 0;
+    for (i = 0; i < bin_count; i++)
+    {
+
+            for (size_t a = 0; a < table_height; a++)
+            {
+                if (bins[i] < 100)
+                    cout << " ";
+                if (bins[i] < 10)
+                    cout << " ";
+                cout << bins[i] << "|";
+                if (max_count > MAX_ASTERISK)
+                {
+                    for (j = 0; j < (height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count)); j++)
+                    {
+                        cout << "*";
+
+                    }
+                    cout << endl;
+                }
+                else
+                {
+                    for (j = 0; j < bins[i]; j++)
+                    {
+                        cout << "*";
+                    }
+                    cout << endl;
+                }
+
+            }
+
+    }
+}

main.cpp

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+#include <iostream>
+#include <vector>
+#include <cmath>
+#include "head.h"
+#include "text.h"
+
+using namespace std;
+
+
+
+struct Input {
+    vector<double> numbers;
+    size_t bin_count{};
+};
+
+Input
+input_data() {
+    size_t number_count;
+    cin >> number_count;
+    Input in;
+    in.numbers.resize(number_count);
+
+    for (size_t i = 0; i < number_count; i++) {
+        cin >> in.numbers[i];
+    }
+
+    cout << "Enter number of bins";
+    cin >> in.bin_count;
+    return in;
+}
+
+
+
+
+int main()
+{
+    Input in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_text(bins, in.bin_count);
+    return 0;
+}
+

text.cpp

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+#include <iostream>
+#include <vector>
+#include <cmath>
+#include "text.h"
+
+using namespace std;
+
+void show_histogram_text(vector <size_t> bins, size_t bin_count ) {
+
+    for (size_t i = 0; i < bin_count; i++) {
+        if (bins[i] < 100) {
+            cout << " ";
+        }
+        if (bins[i] < 10) {
+            cout << " ";
+        }
+        cout << bins[i] << "|";
+        for (size_t j = 0; j < bins[i]; j++) {
+            cout << "*";
+        }
+        cout << "\n";
+    }
+}

text.h

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+#ifndef TEXT_H_INCLUDED
+#define TEXT_H_INCLUDED
+
+#include <vector>
+
+void show_histogram_text(std::vector <size_t> bins, size_t bin_count);
+
+#endif // TEXT_H_INCLUDED