code: 1var solve

main.cpp

@@ -43,8 +43,7 @@ write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
     return data_size;
 }
 
-Input
-download(const string& address) {
+Input download(const string& address) {
     stringstream buffer;
     CURL *curl = curl_easy_init();
     if(curl) {
@@ -53,8 +52,13 @@ download(const string& address) {
         curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
         curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
         res = curl_easy_perform(curl);
-        if (res!=CURLE_OK){
-            cerr << curl_easy_strerror(res);
+        if (res != CURLE_OK){
+	    double total_time;
+            if (!curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &total_time)){;
+              cerr << "Total time for download: " << total_time << " seconds." << "CURL error: " << curl_easy_strerror(res) << endl;
+             } else {
+                 cerr << "CURL error: " << curl_easy_strerror(res) << endl;
+             }
             exit(1);
         }
         curl_easy_cleanup(curl);