code: исправление ошибок, чистовой вариант

project/main.cpp

@@ -73,27 +73,15 @@ download(const string& address)
 
 int main(int argc, char* argv[])
 {
+    Input input;
     if (argc > 1)
     {
-        CURL*curl = curl_easy_init();
-        if (curl)
-        {
-            CURLcode res;
-            curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
-            res = curl_easy_perform(curl);
-            curl_easy_cleanup(curl);
-            if (res != CURLE_OK)
-            {
-                cout << curl_easy_strerror;
-                exit(1);
-            }
-        }
-        return 0;
+        input = download(argv[1]);
+    }
+    else
+    {
+        input = input_data(cin, true);
     }
-    curl_global_init(CURL_GLOBAL_ALL);
-    auto in = input_data(cin, true);
-    auto bins = make_histogram(in.numbers, in.bin_count);
+    const auto bins = make_histogram(input.numbers, input.bin_count);
     show_histogram_svg(bins);
-    getch();
-    return 0;
 }