code: сделал вариант

.gitignore

@@ -1,2 +1,3 @@
 /bin
 /obj
+/curl

main.cpp

@@ -1,45 +1,86 @@
+#include <math.h>
 #include <iostream>
+#include <conio.h>
 #include <vector>
-#include <cmath>
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
+#include "histogram_internal.h"
+#include <curl/curl.h>
+#include <sstream>
 #include <string>
-#include <conio.h>
-using namespace std;
-
 
+using namespace std;
 
 struct Input {
     vector<double> numbers;
     size_t bin_count{};
+    size_t interval;
 };
 
 Input
-input_data() {
+input_data(istream &tin, bool prompt){
+    if (prompt)
+        cerr << "Input numbers count: ";
     size_t number_count;
-    cin >> number_count;
+    tin >> number_count;
     Input in;
     in.numbers.resize(number_count);
-
+    if (prompt)
+        cerr << "Input numbers: ";
     for (size_t i = 0; i < number_count; i++) {
-        cin >> in.numbers[i];
+        tin >> in.numbers[i];
     }
-
+    if (prompt)
-    cerr << "Enter number of bins";
+        cerr << "Input bin count: ";
-    cin >> in.bin_count;
+    tin >> in.bin_count;
     return in;
 }
 
+size_t write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
+    size_t data_size = item_size * item_count;
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    buffer->write(reinterpret_cast<const char*>(items), data_size);
+    return data_size;
+}
+Input
+download(const string& address)
+{
+    stringstream buffer;
+    CURL *curl = curl_easy_init();
+    if(curl)
+    {
+        CURLcode res;
+        curl_off_t speed;
+        curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+        res = curl_easy_perform(curl);
 
+        if (res != CURLE_OK)
+        {
+            fprintf(stderr, "curl_easy_perform() failed: %s\n",curl_easy_strerror(res));
+            exit(1);
+        }
+        res = curl_easy_getinfo(curl, CURLINFO_SPEED_DOWNLOAD_T, &speed);
+        if(!res)
+        {
+            cerr<<"Download speed bytes/sec:  " <<speed;
+        }
 
+        curl_easy_cleanup(curl);
 
-
-int main()
-{
-    Input in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_svg(bins);
-    return 0;
     }
-
+    return input_data(buffer, false);
+}
+int
+main(int argc, char* argv[]) {
+    Input input;
+    if (argc > 1) {
+        input = download(argv[1]);
+    } else {
+        input = input_data(cin, true);
+    }
+    const auto bins = make_histogram(input.numbers, input.bin_count);
+    show_histogram_svg(bins);
+}

project3.depend

@@ -1,13 +1,14 @@
 # depslib dependency file v1.0
-1685964158 source:c:\users\hp\desktop\lab-03\project3\main.cpp
+1686065402 source:c:\users\hp\desktop\lab-03\project3\main.cpp
+	<math.h>
 	<iostream>
+	<conio.h>
 	<vector>
-	<cmath>
 	"histogram.h"
 	"text.h"
 	"svg.h"
-	<string>
+	"histogram_internal.h"
-	<conio.h>
+	<curl/curl.h>
 
 1685965388 c:\users\hp\desktop\lab-03\project3\histogram.h
 	<vector>
@@ -33,7 +34,12 @@
 1685969642 c:\users\hp\desktop\lab-03\project3\histogram_internal.h
 	<vector>
 
-1685943355 source:c:\users\hp\desktop\lab-03\project3\svg.cpp
+1686062922 source:c:\users\hp\desktop\lab-03\project3\svg.cpp
+	<iostream>
+	<conio.h>
+	<vector>
+	<string>
+	"svg.h"
 	<math.h>
 	<iostream>
 	<conio.h>
@@ -44,3 +50,51 @@
 1685964255 c:\users\hp\desktop\lab-03\project3\svg.h
 	<vector>
 
+1685361112 c:\users\hp\desktop\lab-03\project3\curl\include\curl\curl.h
+	"curlver.h"
+	"system.h"
+	<stdio.h>
+	<limits.h>
+	<osreldate.h>
+	<sys/types.h>
+	<time.h>
+	<winsock2.h>
+	<ws2tcpip.h>
+	<sys/select.h>
+	<sys/socket.h>
+	<sys/time.h>
+	"easy.h"
+	"multi.h"
+	"urlapi.h"
+	"options.h"
+	"header.h"
+	"websockets.h"
+	"typecheck-gcc.h"
+
+1685416610 c:\users\hp\desktop\lab-03\project3\curl\include\curl\curlver.h
+
+1684137360 c:\users\hp\desktop\lab-03\project3\curl\include\curl\system.h
+	<ConditionalMacros.h>
+	<winsock2.h>
+	<windows.h>
+	<ws2tcpip.h>
+	<sys/types.h>
+	<sys/socket.h>
+	<sys/poll.h>
+
+1685004688 c:\users\hp\desktop\lab-03\project3\curl\include\curl\easy.h
+
+1684137360 c:\users\hp\desktop\lab-03\project3\curl\include\curl\multi.h
+	"curl.h"
+
+1684137360 c:\users\hp\desktop\lab-03\project3\curl\include\curl\urlapi.h
+	"curl.h"
+
+1684137360 c:\users\hp\desktop\lab-03\project3\curl\include\curl\options.h
+
+1684137360 c:\users\hp\desktop\lab-03\project3\curl\include\curl\header.h
+
+1684137360 c:\users\hp\desktop\lab-03\project3\curl\include\curl\websockets.h
+
+1684137360 c:\users\hp\desktop\lab-03\project3\curl\include\curl\typecheck-gcc.h
+

unitest.layout

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_layout_file>
+	<FileVersion major="1" minor="0" />
+	<ActiveTarget name="Debug" />
+</CodeBlocks_layout_file>