showing errors

main.cpp

@@ -42,10 +42,14 @@ Input input_data(istream& sin, bool prompt)
 
 int main(int argc, char* argv[]) {
     if (argc > 1) {
-            for (int x = 0; x > argc; x++) {
+        CURL* curl = curl_easy_init();
-                cout << "argv[" << x << "] = " << argv[x];
+        auto res = curl_easy_perform(curl);
-            }
+        if (res != 0) {
-            return 0;
+            cout << curl_easy_strerror(res);
+            exit(1);
+        }
+        curl_easy_cleanup(curl);
+        return 0;
     }
     Input in = input_data(cin, false);
     auto bins = make_histogram(in.numbers, in.bin_count);