с божьей помощью подключили curl

main.cpp

@@ -1,25 +1,31 @@
+#include <curl/curl.h>
+
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
+
+
 struct Input {
     vector<double> vec;
     size_t korz{};
 };
-Input input_data() {
-    Input in;
+Input input_data(istream& in, bool promt = false) {
+    Input lin;
     size_t n, korz;
-
-    cerr << "Number of elem ";
-    cin >> n;
-    in.vec.resize(n);
+    if(promt)
+        cerr << "Number of elem ";
+    in >> n;
+    lin.vec.resize(n);
     for (size_t i = 0; i < n; i++)
-        cin >> in.vec[i];
-    cerr << "Enter bin count: ";
-    cin >> in.korz;
-    return in;
+        in >> lin.vec[i];
+    if(promt)
+        cerr << "Enter bin count: ";
+    in >> lin.korz;
+    return lin;
 }
 int main() {
-    auto in = input_data();
+    curl_global_init(CURL_GLOBAL_ALL);
+    auto in = input_data(cin);
     auto bins = make_histogram(in.korz, in.vec);
     show_histogram_svg(bins);
 }