code: добавлена библиотека curl

main.cpp

@@ -1,3 +1,4 @@
+#include <curl/curl.h>
 #include <iostream>
 #include <vector>
 #include <string>
@@ -30,6 +31,7 @@ Input input_data(istream& in, bool prompt = 0) {
 }
 
 int main () {
+    curl_global_init(CURL_GLOBAL_ALL);
     auto in = input_data(cin);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);