неужели результат

.gitignore

@@ -1,4 +1,7 @@
 /bin
 /obj
 /lab1.depend
-/lab1.layout
+/lab1.layout
+/unittest.layout
+/unittest.depend
+/curl

histogram.cpp

@@ -2,23 +2,23 @@
 #include <iostream>
 #include <limits>
 
-Input input_data() {
-    Input in;
+Input input_data(std::istream& in, bool prompt) {
+    Input data;
     size_t number_count;
 
-    std::cerr << "Enter number count: ";
-    std::cin >> number_count;
+    if (prompt) std::cerr << "Enter number count: ";
+    in >> number_count;
 
-    in.numbers.resize(number_count);
-    std::cerr << "Enter " << number_count << " numbers: ";
+    data.numbers.resize(number_count);
+    if (prompt) std::cerr << "Enter " << number_count << " numbers: ";
     for (size_t i = 0; i < number_count; i++) {
-        std::cin >> in.numbers[i];
+        in >> data.numbers[i];
     }
 
-    std::cerr << "Enter bin count: ";
-    std::cin >> in.bin_count;
+    if (prompt) std::cerr << "Enter bin count: ";
+    in >> data.bin_count;
 
-    return in;
+    return data;
 }
 
 void find_minmax(const std::vector<double>& numbers, double& min, double& max) {

histogram.h

@@ -1,12 +1,11 @@
 #pragma once
-
 #include <vector>
+#include <iostream>
 
 struct Input {
     std::vector<double> numbers;
     size_t bin_count{};
 };
 
-Input input_data();
+Input input_data(std::istream& in, bool prompt);
 std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);
-void show_histogram_text(const std::vector<size_t>& bins);

lab1.cbp

@@ -31,8 +31,23 @@
 		<Compiler>
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
+			<Add directory="C:/Users/temka/OneDrive/Desktop/лаба 1/lab1/curl/include" />
 		</Compiler>
+		<Linker>
+			<Add option="-static-libstdc++" />
+			<Add library="libcurl.dll.a" />
+			<Add directory="C:/Users/temka/OneDrive/Desktop/лаба 1/lab1/curl/lib" />
+		</Linker>
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h">
+			<Option target="Debug" />
+		</Unit>
+		<Unit filename="histogram_internal.h">
+			<Option target="Debug" />
+		</Unit>
 		<Unit filename="main.cpp" />
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h" />
 		<Extensions>
 			<lib_finder disable_auto="1" />
 		</Extensions>

main.cpp

@@ -1,8 +1,51 @@
 #include "histogram.h"
+#include "svg.h"
+#include <curl/curl.h>
+#include <sstream>
+#include <string>
 
-int main() {
-    auto in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins);
+size_t write_data(void* ptr, size_t size, size_t nmemb, std::stringstream* stream) {
+    size_t data_size = size * nmemb;
+    stream->write(static_cast<const char*>(ptr), data_size);
+    return data_size;
+}
+
+Input download(const std::string& url) {
+    std::stringstream buffer;
+
+    CURL* curl = curl_easy_init();
+    if (!curl) {
+        std::cerr << "Failed to initialize cURL\n";
+        exit(1);
+    }
+
+    curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+
+    CURLcode res = curl_easy_perform(curl);
+    if (res != CURLE_OK) {
+        std::cerr << "cURL error: " << curl_easy_strerror(res) << "\n";
+        exit(1);
+    }
+
+    curl_easy_cleanup(curl);
+    return input_data(buffer, false);
+}
+
+int main(int argc, char* argv[]) {
+    curl_global_init(CURL_GLOBAL_ALL);
+
+    Input input;
+    if (argc > 1) {
+        input = download(argv[1]);
+    } else {
+        input = input_data(std::cin, true);
+    }
+
+    auto bins = make_histogram(input.numbers, input.bin_count);
+    show_histogram_svg(bins);
+
+    curl_global_cleanup();
     return 0;
 }

marks.txt

@@ -0,0 +1,3 @@
+10
+3 3 4 4 4 4 4 5 5 5
+3

svg.cpp

@@ -0,0 +1,74 @@
+#include "svg.h"
+#include <iostream>
+
+void svg_begin(double width, double height) {
+    std::cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    std::cout << "<svg width='" << width << "' height='" << height << "' "
+              << "viewBox='0 0 " << width << " " << height << "' "
+              << "xmlns='http://www.w3.org/2000/svg'>\n";
+}
+
+void svg_end() {
+    std::cout << "</svg>\n";
+}
+
+void svg_text(double left, double baseline, const std::string& text) {
+    std::cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>\n";
+}
+
+void svg_rect(double x, double y, double width, double height,
+              const std::string& stroke, const std::string& fill) {
+    std::cout << "<rect x='" << x << "' y='" << y << "' "
+              << "width='" << width << "' height='" << height << "' "
+              << "stroke='" << stroke << "' fill='" << fill << "' />\n";
+}
+
+/*void show_histogram_svg(const std::vector<size_t>& bins) {
+    const size_t IMAGE_WIDTH = 400;
+    const size_t IMAGE_HEIGHT = 300;
+    const size_t TEXT_LEFT = 20;
+    const size_t TEXT_BASELINE = 20;
+    const size_t TEXT_WIDTH = 50;
+    const size_t BIN_HEIGHT = 30;
+    const size_t BLOCK_WIDTH = 10;
+
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+
+    double top = 0;
+    size_t max_count = 0;
+    for (size_t count : bins) {
+        if (count > max_count) max_count = count;
+    }
+
+    for (size_t bin : bins) {
+        const double bin_width = static_cast<double>(bin) / max_count * (IMAGE_WIDTH - TEXT_WIDTH);
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "black", "#aaffaa");
+        top += BIN_HEIGHT;
+    }
+
+    svg_end();
+}*/
+void show_histogram_svg(const std::vector<size_t>& bins) {
+    size_t max_count = 0;
+    for (size_t count : bins) {
+        if (count > max_count) max_count = count;
+    }
+
+    const size_t IMAGE_HEIGHT = IMAGE_PADDING * 2 + max_count * 10 + TEXT_HEIGHT;
+
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+
+    double x = IMAGE_PADDING;
+    const double y_base = IMAGE_HEIGHT - IMAGE_PADDING - TEXT_HEIGHT;
+
+    for (size_t bin : bins) {
+        const double height = bin * 10;
+        svg_rect(x, y_base - height, BAR_WIDTH, height, "black", "#aaffaa");
+        svg_text(x + BAR_WIDTH/2 - 5, y_base + TEXT_HEIGHT - 5, std::to_string(bin));
+
+        x += BAR_WIDTH + 10;
+    }
+
+    svg_end();
+}

svg.h

@@ -0,0 +1,14 @@
+#pragma once
+#include <vector>
+#include <string>
+
+const size_t IMAGE_WIDTH = 400;
+const size_t IMAGE_PADDING = 20;
+const size_t BAR_WIDTH = 30;
+const size_t TEXT_HEIGHT = 20;
+void svg_begin(double width, double height);
+void svg_end();
+void svg_text(double left, double baseline, const std::string& text);
+void svg_rect(double x, double y, double width, double height,
+              const std::string& stroke = "black", const std::string& fill = "black");
+void show_histogram_svg(const std::vector<size_t>& bins);

unittest.cbp

@@ -31,6 +31,10 @@
 		<Compiler>
 			<Add option="-Wall" />
 		</Compiler>
+		<Unit filename="doctest.h" />
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram_internal.h" />
+		<Unit filename="unittest.cpp" />
 		<Extensions>
 			<lib_finder disable_auto="1" />
 		</Extensions>

unittest.cpp

@@ -0,0 +1,45 @@
+#define DOCTEST_CONFIG_NO_MULTITHREADING
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include "doctest.h"
+#include "histogram_internal.h"
+
+TEST_CASE("distinct positive numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({1, 2}, min, max);
+    CHECK(min == 1);
+    CHECK(max == 2);
+}
+
+TEST_CASE("empty vector") {
+    double min = 0;
+    double max = 0;
+    find_minmax({}, min, max);
+    CHECK(min == std::numeric_limits<double>::max());
+    CHECK(max == std::numeric_limits<double>::lowest());
+}
+
+TEST_CASE("single element vector") {
+    double min = 0;
+    double max = 0;
+    find_minmax({42}, min, max);
+    CHECK(min == 42);
+    CHECK(max == 42);
+}
+
+TEST_CASE("negative numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({-5, -1, -3}, min, max);
+    CHECK(min == -5);
+    CHECK(max == -1);
+}
+
+TEST_CASE("identical elements") {
+    double min = 0;
+    double max = 0;
+    find_minmax({7, 7, 7}, min, max);
+    CHECK(min == 7);
+    CHECK(max == 7);
+}
+//wewger