code: создали файл реализации

histogram.cpp

@@ -0,0 +1,54 @@
+#include <iostream>
+#include <conio.h>
+#include <vector>
+#include <stdlib.h>
+using namespace std;
+#include "histogram.h"
+
+void
+find_minmax(const vector<double>& numbers, double& min, double& max){
+    min = numbers[0];
+    min = numbers[0];
+    for(size_t i=0; i < numbers.size(); i++){
+        if (numbers[i] < min)
+        {
+            min = numbers[i];
+        }
+        else if (numbers[i] > max)
+        {
+            max = numbers[i];
+        }
+    }
+}
+
+
+vector<size_t>
+make_histogram(const vector<double>& numbers, size_t bin_count){
+
+    double min, max;
+    find_minmax(numbers, min, max);
+
+    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 lower_Bound = min + j * bin_size;
+            auto upper_Bound = min + (j + 1) * bin_size;
+            if ((lower_Bound <= numbers[i]) && (numbers[i] < upper_Bound))
+            {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found)
+        {
+            bins[bin_count - 1]++;
+        }
+    }
+    return bins;
+}
+