diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c356251
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,34 @@
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+/curl
diff --git a/histogram.cpp b/histogram.cpp
new file mode 100644
index 0000000..bf16329
--- /dev/null
+++ b/histogram.cpp
@@ -0,0 +1,73 @@
+#include "histogram.h"
+#include "vector"
+
+using namespace std;
+
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+
+    vector<size_t> bins(bin_count);
+    vector<size_t> binss(bin_count);
+
+    double max, min;
+    find_minmax(numbers, min, max);
+    double bin_size = (max / min) / bin_count;
+
+    for (size_t i = 0; i < numbers.size(); i++) {
+        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]++;
+        }
+    }
+
+    int max_count = bins[0];
+    for (size_t i = 0; i < bin_count; i++) {
+        if (bins[i] > max_count) {
+            max_count = bins[i];
+        }
+    }
+
+    if (max_count > 76) {
+
+        for (size_t i = 0; i < bin_count; i++) {
+            int count = bins[i];
+            size_t height = 76 * (static_cast<double>(count) / max_count);
+            bins[i] = height;
+        }
+    }
+    return bins;
+}
+
+bool find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (numbers.size() == 0) {
+        return false;
+    }
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (
+                numbers[i] < 0
+                ) return false;
+    }
+
+    min = numbers[0];
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (numbers[i] < min) {
+            min = numbers[i];
+        }
+    }
+
+    max = numbers[0];
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (numbers[i] > max) {
+            max = numbers[i];
+        }
+    }
+    return true;
+}
\ No newline at end of file
diff --git a/histogram.h b/histogram.h
new file mode 100644
index 0000000..64fd542
--- /dev/null
+++ b/histogram.h
@@ -0,0 +1,13 @@
+#include <vector>
+#pragma once
+
+#ifndef LAB4_HISTOGRAM_H
+#define LAB4_HISTOGRAM_H
+
+#endif //LAB4_HISTOGRAM_H
+
+#include <vector>
+#include <cstddef>
+
+std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);
+bool find_minmax(const  std::vector<double>& numbers, double& min, double& max);
\ No newline at end of file
diff --git a/lab34.cbp b/lab34.cbp
new file mode 100644
index 0000000..0c0e7e4
--- /dev/null
+++ b/lab34.cbp
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="lab34" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/lab34" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+				</Compiler>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/lab34" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+			<Add option="-fexceptions" />
+		</Compiler>
+		<Unit filename="main.cpp" />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>
diff --git a/lab34.depend b/lab34.depend
new file mode 100644
index 0000000..ca1501c
--- /dev/null
+++ b/lab34.depend
@@ -0,0 +1,21 @@
+# depslib dependency file v1.0
+1684755117 source:c:\users\stepa\desktop\lab04\histogram.cpp
+	"histogram.h"
+	"vector"
+
+1684755161 c:\users\stepa\desktop\lab04\histogram.h
+	<vector>
+	<vector>
+	<cstddef>
+
+1684755057 source:c:\users\stepa\desktop\lab04\svg.cpp
+	"svg.h"
+	<iostream>
+	<string>
+	<vector>
+	"cmath"
+
+1684757154 c:\users\stepa\desktop\lab04\svg.h
+	<vector>
+	<string>
+
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..af1f15e
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,39 @@
+#include <iostream>
+#include "vector"
+#include "svg.h"
+#include "histogram.h"
+//#include "curl/curl.h"
+using namespace std;
+
+
+
+
+struct Input {
+    vector<double> numbers;
+    size_t bin_count{};
+};
+
+
+Input
+input_data(istream& inn, bool promt) {
+    size_t number_count;
+    cin >> number_count;
+    Input in;
+    in.numbers.resize(number_count);
+
+    for (size_t i = 0; i < number_count; i++) {
+        cin >> in.numbers[i];
+    }
+
+    cin >> in.bin_count;
+    return in;
+}
+
+int main() {
+//    curl_global_init(CURL_GLOBAL_ALL);
+    auto in = input_data(cin, true);
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_text(bins, in.bin_count);
+    //show_histogram_svg(bins);
+    return 0;
+}
diff --git a/svg.cpp b/svg.cpp
new file mode 100644
index 0000000..9cb12c3
--- /dev/null
+++ b/svg.cpp
@@ -0,0 +1,63 @@
+#include "svg.h"
+#include <iostream>
+#include <string>
+#include <vector>
+#include "cmath"
+
+using namespace std;
+
+void
+svg_begin(double width, double height) {
+    cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    cout << "<svg ";
+    cout << "width='" << width << "' ";
+    cout << "height='" << height << "' ";
+    cout << "viewBox='0 0 " << width << " " << height << "' ";
+    cout << "xmlns='http://www.w3.org/2000/svg'>\n";
+}
+
+void
+svg_end() {
+    cout << "</svg>\n";
+}
+
+int color(int bin, int max_count) {
+    int color;
+    return color = round((10 - (bin * 9) / max_count));
+}
+
+void
+svg_text(double left, double baseline, string text) {
+    cout << "<text x='" << left << "' y='" << baseline << "' > " << text << "</text>";
+}
+
+void svg_rect(double x, double y, double width, double height, string stroke, string fill) {
+    cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='" << "#" << stroke << stroke << stroke << "' fill='" << "#" << fill << fill << fill << "'>" << "</rect>";
+}
+
+void show_histogram_svg(const  vector<size_t>& bins) {
+    const auto IMAGE_WIDTH = 400;
+    const auto IMAGE_HEIGHT = 300;
+    const auto TEXT_LEFT = 20;
+    const auto TEXT_BASELINE = 20;
+    const auto TEXT_WIDTH = 50;
+    const auto BIN_HEIGHT = 30;
+    const auto BLOCK_WIDTH = 10;
+
+
+    svg_begin(400, 300);
+    double top = 0;
+    double max_count = bins[0];
+    for (size_t i = 0; i < bins.size(); i++) {
+        if (bins[i] > max_count)
+            max_count = bins[i];
+    }
+    for (size_t bin : bins) {
+        int temp_color = color(bin, max_count);
+        const double bin_width = (IMAGE_WIDTH - TEXT_WIDTH) * (bin / max_count);
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, to_string(temp_color), to_string(temp_color));
+        top += BIN_HEIGHT;
+    }
+    svg_end();
+}
\ No newline at end of file
diff --git a/svg.h b/svg.h
new file mode 100644
index 0000000..6082a20
--- /dev/null
+++ b/svg.h
@@ -0,0 +1,15 @@
+
+
+#include <vector>
+#include <string>
+
+#ifndef LAB4_SVG_H
+#define LAB4_SVG_H
+
+#endif //LAB4_SVG_H
+
+void svg_begin(double width, double height);
+void svg_end();
+void svg_text(double left, double baseline, std::string text);
+void svg_rect(double x, double y, double width, double height, std::string stroke, std::string fill);
+void show_histogram_svg(const std::vector<size_t>& bins);
diff --git a/text.h b/text.h
new file mode 100644
index 0000000..b588a53
--- /dev/null
+++ b/text.h
@@ -0,0 +1,13 @@
+//
+// Created by stepa on 22.05.2023.
+//
+
+#include <vector>
+#include <cstddef>
+
+#ifndef LAB4_TEXT_H
+#define LAB4_TEXT_H
+
+#endif //LAB4_TEXT_H
+
+void show_histogram_text(std::vector <size_t> bins, size_t bin_count);
\ No newline at end of file