code: вариант

.gitignore

@@ -1,3 +1,4 @@
 /bin
 /obj
 /test.layout
+/curl

main.cpp

@@ -1,97 +1,112 @@
+#include <sstream>
+#include <string>
+#include <curl/curl.h>
 #include <iostream>
 #include <vector>
-
+#include "histogram.h"
+#include "text.h"
+#include "svg.h"
 using namespace std;
 
-int main()
-{
-    const size_t SCREEN_WIDTH = 80;
-    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3-1;
-    //Êîëè÷åñòâî ÷èñåë
 
-    size_t number_count;
+struct Input {
+    vector<double> numbers;
+    size_t bin_count{};
+    size_t number_count{};
+    size_t max_count{};
+};
+
+Input
+input_data(istream& in, bool prompt) {
+    if (prompt==true){
+    Input input;
     cerr << "Enter number count: ";
-    cin>>number_count;
-    vector<double>numbers(number_count);
+    in >> input.number_count;
 
-    //×èñëà
-    cerr<<"Enter elements: ";
-    for (int i=0; i<number_count;i++){
-        cin>>numbers[i];
+    vector<double> numbers(input.number_count);
+    input.numbers.resize(input.number_count);
+    for (size_t i = 0; i < input.number_count; i++) {
+        in >> input.numbers[i];
     }
 
-
-
-
-    //Êîëè÷åñòâî êîðçèí
     size_t bin_count;
-    cerr<<"Enter bins count: ";
-    cin>>bin_count;
-    vector<size_t>bins(bin_count);
+    cerr << "Enter bin count: ";
+    in >> input.bin_count;
 
-    //Îïðåäåëåíèå äèàïàçîíà ÷èñåë (max è min) â ìàññèâå
-    double min=numbers[0];
-    double max=numbers[0];
-    for (double x: numbers){
-        if (x<min){
-            min=x;
+    size_t max_count;
+    input.max_count = 0;
+    return input;
     }
-        else if (x>max){
-            max=x;
+
+    if (prompt==false){
+    Input input;
+
+    in >> input.number_count;
+
+    vector<double> numbers(input.number_count);
+    input.numbers.resize(input.number_count);
+    for (size_t i = 0; i < input.number_count; i++) {
+        in >> input.numbers[i];
+    }
+
+    size_t bin_count;
+    in >> input.bin_count;
+
+    size_t max_count;
+    input.max_count = 0;
+    return input;
     }
 }
 
 
-        double bin_size=(max-min)/bin_count;
-
-        for (size_t i=0; i<number_count; i++){ //Îïîçíîâàíèå è óâåëè÷. ñ÷åò÷èêà ïîñëåäíåé êîðçèíû
-        bool found =false;
-        for (size_t j=0; (j<bin_count-1)&&!found; j++){
-            auto lo=min+j*bin_size;
-            auto hi = min+(j+1)*bin_size;
-            if ((lo<=numbers[i])&&(numbers[i]<hi)){
-                bins[j]++;
-                found=true;
-            }
-        }
-        if (!found){
-            bins[bin_count-1]++;
-        }
+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;
 }
 
 
-    //Ìàêñèìàëüíîå êîë-âî çâåçäî÷åê
-    int max_simb=0;
-    for (int i=0; i<bin_count;i++){
-        int c=0;
-        c=bins[i];
-        if (max_simb<c){
-            max_simb=c;
-        }
+
+Input
+download(const string& address) {
+    stringstream buffer;
+    CURL *curl = curl_easy_init();
+    curl_version_info_data *curl_version_info(CURLversion protocols);
+    if(curl) {
+        CURLcode res;
+        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);
+        curl_easy_cleanup(curl);
+        if (res!=0){
+            cout<<res;
+            exit(1);
             }
 
-       if (max_simb > MAX_ASTERISK){
-        vector<size_t> hights(bin_count);
-        for (size_t i = 0; i < bin_count; i++){
-            size_t height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_simb);
-            hights[i] = height;
-            printf("%3d|", bins[i]);
-            for (int j=0; j<(hights[i]); j++){
-                cout<<"*";
+            curl_version_info_data *ver = curl_version_info(CURLVERSION_NOW);
+            cerr<<(curl_version_info(CURLVERSION_NOW));
         }
-            cout<<endl;
+    curl_global_init(CURL_GLOBAL_ALL);
+    return input_data(buffer, false);
 }
 
+
+
+int main(int argc, char* argv[])
+{
+    Input in;
+    if (argc > 1) {
+        in = download(argv[1]);
     }
     else {
-        for (int i=0; i<bin_count; i++){
-        printf("%3d|", bins[i]);
-            for (int j=0; j<bins[i]; j++){
-                cout<<"*";
-            }
-            cout<<endl;
-        }
+        in = input_data(cin, true);
     }
+    const auto bins = make_histogram(in.numbers, in.bin_count, in.number_count, in.max_count);
+    vector<double> test;
+    show_histogram_svg(bins, in.max_count, in.bin_count, test);
 
     return 0;
 }

test.cbp

@@ -32,7 +32,14 @@
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
 		</Compiler>
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h" />
+		<Unit filename="histogram_internal.h" />
 		<Unit filename="main.cpp" />
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h" />
+		<Unit filename="text.cpp" />
+		<Unit filename="text.h" />
 		<Extensions>
 			<lib_finder disable_auto="1" />
 		</Extensions>