code: 3.разделение программы на файлы(файл реализации histogram.cpp)

histogram.cpp

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+#include "histogram.h"
+
+using namespace std;
+
+void find_minmax(const 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;
+        }
+    }
+}
+vector<size_t> make_histogram(const vector<double> &numbers, size_t bin_count) {
+    vector<size_t> bins(bin_count);
+    double min,max;
+    find_minmax(numbers , min , max);
+    //ðàçíèöà ìåæäó ãðàíèöàìè
+    double bin_size = (max - min) / bin_count;
+    //ðàñïðåäåëåíèå ÷èñåë ïî êîðçèíàì
+    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;
+}