code: программа разбита на функции

main.cpp

@@ -1,8 +1,5 @@
 #include <iostream>
 #include <vector>
-
-const size_t SCREEN_WIDTH = 80;
-const size_t MAX_STAR = SCREEN_WIDTH - 3 - 1;
 using namespace std;
 
 struct Input
@@ -14,7 +11,7 @@ struct Input
 Input input_data()
 {
     Input in;
-    size_t number_count, bin_count;
+    size_t number_count;
     cin >> number_count;
 
     in.numbers.resize(number_count);
@@ -44,24 +41,22 @@ void find_minmax(const vector<double>& numbers, double& min, double& max)
     }
 }
 
-int main()
+vector<double> make_histogram(const vector<double> &numbers, size_t bin_count)
 {
-    Input in = input_data();
+    double min = numbers[0];
-
+    double max = numbers[0];
-    vector<double>bins(in.bin_count);
+    find_minmax(numbers, min, max);
+    double bin_size = (max - min) / bin_count;
+    vector<double>bins(bin_count);
 
-    double min, max;
+    for (size_t i = 0; i < numbers.size(); i++)
-    find_minmax(in.numbers, min, max);
-
-    double bin_size = (max - min) / in.bin_count;
-    for (size_t i = 0; i < in.numbers.size(); i++)
     {
         bool found = false;
-        for (size_t j = 0; (j < in.bin_count - 1) && !found; j++)
+        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 <= in.numbers[i]) && (in.numbers[i] < hi))
+            if ((lo <= numbers[i]) && (numbers[i] < hi))
             {
                 bins[j]++;
                 found = true;
@@ -69,12 +64,11 @@ int main()
         }
         if (!found)
         {
-            bins[in.bin_count - 1]++;
+            bins[bin_count - 1]++;
         }
     }
-
     double b;
-    for (size_t i = 0; i < in.bin_count-1; i++)
+    for (size_t i = 0; i < bin_count-1; i++)
     {
         if (bins[i] > bins[i+1])
         {
@@ -83,8 +77,15 @@ int main()
             bins[i + 1] = b;
         }
     }
+    return bins;
+}
+
+void show_histogram_text(const vector <double> &bins)
+{
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_STAR = SCREEN_WIDTH - 3 - 1;
+    size_t max_star_search = bins[-1];
 
-    size_t max_star_search = bins[-1]; // поиск наибольшего кол-ва из корзины
     if (max_star_search > MAX_STAR)
     {
         for (size_t x : bins)
@@ -126,5 +127,12 @@ int main()
             cout << endl;
         }
     }
+}
+
+int main()
+{
+    auto in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_text(bins);
     return 0;
 }