защита

.gitignore

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+/bin
+/obj
+/*.layout
+/*.depend

18.cbp

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+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="18" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/18" 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/18" 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="histogram.cpp" />
+		<Unit filename="histogram.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>
+	</Project>
+</CodeBlocks_project_file>

histogram.cpp

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+#include "histogram.h"
+
+bool find_minmax(vector<double> vec, double& min, double& max) {
+    if (vec.size() == 0) {
+        cerr << "Empty vec";
+        return false;
+    }
+    min = vec[0];
+    max = vec[0];
+    for (double x : vec) {
+        if (x < min) {
+            min = x;
+        }
+        else if (x > max)
+        {
+            max = x;
+        }
+    }
+    return true;
+}
+vector<size_t> make_histogram(size_t number, vector<double> vec) {
+    vector<size_t> bins(number);
+    double mn, mx;
+    find_minmax(vec, mn, mx);
+    float bin_size = (mx - mn) / number;
+    for (size_t i = 0; i < vec.size(); i++) {
+        bool fl = false;
+        for (size_t j = 0; (j < number - 1) && !fl; j++) {
+            auto lo = mn + j * bin_size;
+            auto hi = mn + (j + 1) * bin_size;
+            if ((lo <= vec[i]) && (vec[i] < hi)) {
+                bins[j]++;
+                fl = true;
+            }
+        }
+        if (!fl) {
+            bins[number - 1]++;
+
+        }
+    }
+    return bins;
+}
+

histogram.h

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+#include <vector>
+#include <iostream>
+
+using namespace std;
+vector<size_t> make_histogram(size_t number, vector<double> vec);

main.cpp

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+#include "histogram.h"
+#include "text.h"
+#include "svg.h"
+
+struct Input {
+    vector<double> vec;
+    size_t korz{};
+};
+Input input_data() {
+    Input in;
+    size_t n, korz;
+
+    cerr << "Number of elements: ";
+    cin >> n;
+    in.vec.resize(n);
+    cerr << "Elements: ";
+    for (size_t i = 0; i < n; i++)
+        cin >> in.vec[i];
+    cerr << "Enter bin count: ";
+    cin >> in.korz;
+    return in;
+}
+
+int main() {
+    auto in = input_data();
+    auto bins = make_histogram(in.korz, in.vec);
+    show_histogram_svg(bins);
+}

svg.cpp

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+#include "svg.h"
+
+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";
+}
+
+void
+svg_text(double left, double baseline, const string& text, const string& text_decoration)
+{
+    cout << "<text x='" << left << "' y='" << baseline << "' text-decoration='" << text_decoration << "'>" << text << "</text>";
+}
+
+void
+svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "black")
+{
+    cout << "<rect x='"<<x<<"' y='"<<y<<"' width='"<<width<<"' height='"<<height<<"' stroke='"<<stroke<<"' fill='"<<fill<<"' />";
+}
+
+
+void
+show_histogram_svg(const vector<size_t>& bins)
+{
+    string decoration;
+    cerr<<"Enter text decoration (none, underline, overline, line-through): ";
+    cin>>decoration;
+    while(!(decoration=="none"||decoration=="underline"||decoration=="overline"||decoration=="line-through"))
+    {
+        cerr<<"Invalid value. Please enter one of: none, underline, overline, line-through: ";
+        cin>>decoration;
+    }
+
+    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 BLACK = "black";
+    const auto RED = "red";
+    const auto MAX_WIDTH = IMAGE_WIDTH-TEXT_WIDTH;
+
+
+    svg_begin(IMAGE_WIDTH,IMAGE_HEIGHT);
+
+    double top = 0;
+    double max_count = bins[0];
+    for (size_t i = 0; i < bins.size(); i++)
+    {
+        if (max_count<bins[i])
+        {
+            max_count=bins[i];
+        }
+    }
+
+    for (size_t bin : bins)
+    {
+        double bin_width = (MAX_WIDTH)*(bin/max_count);
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin), decoration);
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, BLACK, RED);
+        top += BIN_HEIGHT;
+    }
+
+    svg_end();
+}
+

svg.h

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+#pragma once
+#include <iostream>
+#include <vector>
+#include <string>
+#include <math.h>
+
+using namespace std;
+// Declaration for SVG histogram output
+void show_histogram_svg(const vector<size_t>& bins);

text.cpp

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+#include "text.h"
+
+void show_histogram(std::vector<size_t> bins) {
+    bool gigant = false;
+    auto spaces = 0;
+    size_t mx_count = 0;
+    for (auto x : bins) {
+        if (x > 76) {
+            gigant = true;
+        }
+        if (x > mx_count) {
+            mx_count = x;
+        }
+        auto len = 0;
+        while (x > 0) {
+            x /= 10;
+            len++;
+        }
+        if (len > spaces) {
+            spaces = len;
+        }
+    }
+    if (spaces == 1) {
+        for (size_t i = 0; i < bins.size(); i++) {
+            std::cout << "  " << bins[i] << "|";
+            if (gigant) {
+                if (bins[i] == mx_count) {
+                    for (size_t j = 0; j < 76; j++) {
+                        std::cout << "*";
+                    }
+                }
+                else
+                {
+                    for (size_t j = 0; j < 76 * static_cast<double>(bins[i]) / mx_count; j++) {
+                        std::cout << "*";
+                    }
+                }
+            }
+            else
+            {
+                for (size_t j = 0; j < bins[i]; j++) {
+                    std::cout << "*";
+                }
+                std::cout << std::endl;
+            }
+        }
+    }
+    else
+    {
+        for (size_t i = 0; i < bins.size(); i++) {
+            int len = 1;
+            int k = bins[i];
+            for (; k /= 10; ++len);
+            while (len < spaces) {
+                std::cout << " ";
+                len++;
+            }
+            std::cout << bins[i];
+            std::cout << "|";
+            if (gigant) {
+                if (bins[i] == mx_count) {
+                    for (size_t j = 0; j < 76; j++) {
+                        std::cout << "*";
+                    }
+                }
+                else
+                {
+                    for (size_t j = 0; j < (76 * static_cast<double>(bins[i]) / mx_count - 1); j++) {
+                        std::cout << "*";
+                    }
+                }
+            }
+            else
+            {
+                for (size_t j = 0; j < bins[i]; j++) {
+                    std::cout << "*";
+                }
+            }
+            std::cout << std::endl;
+        }
+    }
+}

text.h

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+#include <iostream>
+#include <vector>
+
+void show_histogram(std::vector<size_t> bins);