удалил отладочный вывод

main.cpp

@@ -39,14 +39,6 @@ Input input_data(istream& in, bool prompt)
 }
 
 int main(int argc, char* argv[]) {
-    if (argc > 1) {
-        cerr << "argc = " << argc << endl;
-        for (int i = 0; i < argc; i++) {
-            cerr << "argv[" << i << "] = " << argv[i] << endl;
-        }
-        return 0;
-    }
-
     auto in = input_data(cin, true);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);