добавлены файлы .h и .cpp

histogram.cpp

@@ -0,0 +1,55 @@
+
+#include <iostream>
+#include <vector>
+#include "histogram.h"
+using namespace std;
+
+void static find_minmax(const vector<double> &numbers, double &min, double &max)
+{
+    max = numbers[0];
+    min = numbers[1];
+    for (double x: numbers)
+    {
+        if (x < min)
+        {
+            min = x;
+        }
+        else if (x > max)
+        {
+            max = x;
+        }
+    }
+    return;
+
+}
+
+vector<size_t> make_histogram (vector<double> numbers, size_t bin_count)
+{
+
+    double minn;
+    double maxx;
+    find_minmax (numbers, minn, maxx);
+    double bin_size = (maxx - minn) / bin_count;
+    vector<size_t> bins(bin_count);
+    for (size_t i = 0; i < numbers.size(); i++)
+    {
+        bool found = false;
+        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
+        {
+            auto lo = minn + j * bin_size;
+            auto hi = minn + (j + 1) * bin_size;
+            if ((lo <= numbers[i]) && (numbers[i] < hi))
+            {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found)
+        {
+            bins[bin_count - 1]++;
+        }
+    }
+    return bins;
+}
+
+

histogram.h

@@ -0,0 +1,8 @@
+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+#include <vector>
+
+std::vector<size_t>
+make_histogram(const std::vector<double> numbers, size_t bin_count);
+
+#endif // HISTOGRAM_H_INCLUDED

text.cpp

@@ -0,0 +1,49 @@
+#include <iostream>
+#include <vector>
+#include "text.h"
+
+using namespace std;
+
+void show_histogram_text(vector<size_t> bins, size_t bin_count)
+{
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+    double max_bin;
+    size_t height;
+    max_bin = bins[0];
+    height = bins[0];
+    for (size_t i = 0; i < bin_count; i++)
+    {
+        if (bins[i] > max_bin){
+            max_bin = bins[i];
+        }
+    }
+
+    bool flag = false;
+    if ( max_bin > 80)
+    {
+        flag = true;
+    }
+    for (size_t i = 0; i < bin_count; i++)
+    {
+        if (bins[i] < 100)
+            cout << " ";
+        if (bins[i] < 10)
+            cout << " ";
+        cout << bins[i] << "|";
+        if( flag == true)
+        {
+            height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_bin);
+        }
+        else
+        {
+            height = bins[i];
+        }
+        for (size_t j = 0; j < height; j++)
+        {
+            cout << "*";
+        }
+        cout << endl;
+
+    }
+}

text.h

@@ -0,0 +1,8 @@
+#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