code: добавлена проверка на пустой вектор

histogram.cpp

@@ -3,6 +3,12 @@
 #include "histogram.h"
 
 void find_minmax(const std::vector<double>& numbers, double& min, double& max) {             //  Ïîèñê ìàêñèìóìà è ìèíèìóìà ñðåäè îöåíîê.
+
+    if (numbers.empty()) {
+        min=max=0;
+        return;
+    }
+
     min=numbers[0];
     max=numbers[0];
     for (double x : numbers) {
@@ -19,13 +25,18 @@ void find_minmax(const std::vector<double>& numbers, double& min, double& max) {
 }
 
 std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count) {
+    std::vector<size_t> bins(bin_count);
+    if (numbers.empty() || bin_count == 0) {
+        return bins;
+    }
+
     double min, max;
     find_minmax(numbers, min, max);
 
 //  Ñîçäàíèå êîðçèí äëÿ äàëüíåéøåé ñîðòèðîâêè îöåíîê ïî íèì.
 
     double bin_size = (max - min) / bin_count;
-    std::vector<size_t> bins(bin_count);
+
     for (size_t i = 0; i < bin_count; i++) {
         bins[i] = 0;
     }