добавление prompt

main.cpp

@@ -15,7 +15,10 @@ struct Input {
     size_t bin_count{};
 };
 
-Input input_data(istream& in) {
+Input input_data(istream& in, bool prompt) {
+    if (prompt) {
+        cerr << "Enter number count, numbers and bin count: ";
+    }
 
     size_t number_count;
     in >> number_count;