code: input_data prompt parametr

main.cpp

@@ -13,23 +13,30 @@ struct Input
 };
 
 
-Input input_data(istream& stream) {
+Input input_data(istream& stream, bool prompt) {
   Input in;
   size_t number_count;
+  if (prompt) {
     cerr << "Enter number count: ";
+  }
   stream >> number_count;
   in.numbers.resize(number_count);
   for (size_t i = 0; i < number_count; i++) {
+    if (prompt) {
+      cerr << "Enter number " << i+1 << ": ";
+    }
     stream >> in.numbers[i];
   }
+  if (prompt) {
     cerr << "Enter bin count: ";
+  }
   stream >> in.bin_count;
   return in;
 }
 
 int main()
 {
-    Input in = input_data(cin);
+    Input in = input_data(cin, false);
     vector<size_t> bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);
 }