Функции перенесены в отдельные файлы

.gitignore

@@ -1,3 +1,4 @@
 main.dSYM/
 .vscode/
-main
+main
+.DS_Store

histogram.cpp

@@ -0,0 +1,47 @@
+#include "histogram.h"
+
+static void find_minmax(const std::vector<double> &numbers, double &min, double &max)
+{
+    min = numbers[0];
+    max = numbers[0];
+    for (double x : numbers)
+    {
+        if (x < min)
+        {
+            min = x;
+        }
+        else if (x > max)
+        {
+            max = x;
+        }
+    }
+}
+
+std::vector<size_t> make_histogram(const std::vector<double> &numbers, const size_t &bin_count)
+{
+    double min, max;
+    find_minmax(numbers, min, max);
+
+    std::vector<size_t> bins(bin_count);
+    double bin_size = (max - min) / 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 = min + j * bin_size;
+            auto hi = min + (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 +1,6 @@
+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+#include <vector>
+
+std::vector<size_t> make_histogram(const std::vector<double> &numbers,const size_t& bin_count);
+#endif

main.cpp

@@ -1,5 +1,7 @@
 #include <iostream>
 #include <vector>
+#include "histogram.h"
+#include "text.h"
 
 struct Input
 {
@@ -25,90 +27,6 @@ Input input_data()
     return in;
 }
 
-void find_minmax(const std::vector<double> &numbers, double &min, double &max)
-{
-    min = numbers[0];
-    max = numbers[0];
-    for (double x : numbers)
-    {
-        if (x < min)
-        {
-            min = x;
-        }
-        else if (x > max)
-        {
-            max = x;
-        }
-    }
-}
-
-std::vector<size_t> make_histogram(const std::vector<double> &numbers, const size_t &bin_count)
-{
-    double min, max;
-    find_minmax(numbers, min, max);
-
-    std::vector<size_t> bins(bin_count);
-    double bin_size = (max - min) / 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 = min + j * bin_size;
-            auto hi = min + (j + 1) * bin_size;
-            if ((lo <= numbers[i]) && (numbers[i] <= hi))
-            {
-                bins[j]++;
-                found = true;
-            }
-        }
-        if (!found)
-        {
-            bins[bin_count - 1]++;
-        }
-    }
-    return bins;
-}
-
-void show_histogram_text(const std::vector<size_t> &bins, const std::vector<double> &numbers)
-{
-    const size_t SCREEN_WIDTH = 80;
-    const size_t MAX_ASTERISK = SCREEN_WIDTH - 5;
-    size_t max_count = 0;
-    for (auto bin : bins)
-    {
-        if (bin > max_count)
-            max_count = bin;
-    }
-
-    for (auto bin : bins)
-    {
-        size_t height;
-        if (max_count <= 76)
-        {
-            height = bin;
-        }
-        else
-        {
-            height = MAX_ASTERISK * (static_cast<double>(bin) / max_count);
-        }
-
-        int fraction = bin * 100 / numbers.size();
-
-        if (fraction < 100)
-            std::cout << ' ';
-        if (fraction < 10)
-            std::cout << ' ';
-        std::cout << fraction << "|";
-
-        for (size_t j = 0; j < height; j++)
-        {
-            std::cout << '*';
-        }
-        std::cout << std::endl;
-    }
-}
 
 int main()
 {

text.cpp

@@ -0,0 +1,41 @@
+#include "text.h"
+
+void show_histogram_text(const std::vector<size_t> &bins, const std::vector<double> &numbers)
+{
+
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 5;
+    size_t max_count = 0;
+    for (auto bin : bins)
+    {
+        if (bin > max_count)
+            max_count = bin;
+    }
+
+    for (auto bin : bins)
+    {
+        size_t height;
+        if (max_count <= 76)
+        {
+            height = bin;
+        }
+        else
+        {
+            height = MAX_ASTERISK * (static_cast<double>(bin) / max_count);
+        }
+
+        int fraction = bin * 100 / numbers.size();
+
+        if (fraction < 100)
+            std::cout << ' ';
+        if (fraction < 10)
+            std::cout << ' ';
+        std::cout << bin << "|";
+
+        for (size_t j = 0; j < height; j++)
+        {
+            std::cout << '*';
+        }
+        std::cout << std::endl;
+    }
+}

text.h

@@ -0,0 +1,7 @@
+#ifndef TEXT_H
+#define TEXT_H
+#include <vector>
+#include <iostream>
+
+void show_histogram_text(const std::vector<size_t> &bins, const std::vector<double> &numbers);
+#endif