upd:Ввод из произвольного потока

laba01upd3.cpp

@@ -11,27 +11,26 @@ struct Input {
     vector<double> numbers;
     size_t bin_count{};
 };
-
-Input input_data() {
+Input input_data(istream& in) {
     size_t number_count;
-    cerr << "Enter number count: ";
-    cin >> number_count;
+    in >> number_count;
 
-    Input in;
-    in.numbers.resize(number_count);
-    cerr << "Enter " << number_count << " numbers: ";
+    Input data;
+    data.numbers.resize(number_count);
     for (size_t i = 0; i < number_count; i++) {
-        cin >> in.numbers[i];
+        in >> data.numbers[i];
     }
 
-    cerr << "Enter bin count: ";
-    cin >> in.bin_count;
+    in >> data.bin_count;
 
-    return in;
+    return data;
 }
 
+
+
+
 int main() {
-    auto in = input_data();
+    auto in = input_data(cin);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);
     show_histogram_text(bins);