upd:Добавлен флаг на вывод подсказок

laba01upd3.cpp

@@ -11,16 +11,19 @@ struct Input {
     vector<double> numbers;
     size_t bin_count{};
 };
-Input input_data(istream& in) {
+Input input_data(istream& in, bool prompt) {
+    if (prompt) cerr << "Enter number count: ";
     size_t number_count;
     in >> number_count;
 
     Input data;
     data.numbers.resize(number_count);
+    if (prompt) cerr << "Enter " << number_count << " numbers: ";
     for (size_t i = 0; i < number_count; i++) {
         in >> data.numbers[i];
     }
 
+    if (prompt) cerr << "Enter bin count: ";
     in >> data.bin_count;
 
     return data;
@@ -29,8 +32,9 @@ Input input_data(istream& in) {
 
 
 
+
 int main() {
-    auto in = input_data(cin);
+    auto in = input_data(cin, true);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);
     show_histogram_text(bins);