.gitignore

@@ -1,4 +0,0 @@
-bin/
-obj/
-*.exe
-*.svg

cs-lab34.depend

@@ -1,81 +0,0 @@
-# depslib dependency file v1.0
-1745823834 source:c:\users\diman3000\desktop\cs-lab34\histogram.cpp
-	"histogram.h"
-	<vector>
-
-1745823794 c:\users\diman3000\desktop\cs-lab34\histogram.h
-	<vector>
-
-1745823869 source:c:\users\diman3000\desktop\cs-lab34\text.cpp
-	"text.h"
-	<iostream>
-
-1745823848 c:\users\diman3000\desktop\cs-lab34\text.h
-	<vector>
-
-1745824901 source:c:\users\diman3000\desktop\cs-lab34\main.cpp
-	<iostream>
-	<vector>
-	"histogram.h"
-	"svg.h"
-
-1745824381 c:\users\diman3000\desktop\cs-lab34\svg.h
-	<vector>
-	<string>
-
-1745824404 source:c:\users\diman3000\desktop\cs-lab34\svg.cpp
-	"svg.h"
-	<iostream>
-
-1745825391 source:c:\users\diman3000\desktop\cs-lab34\unittest.cpp
-	"doctest.h"
-	"histogram_internal.h"
-
-1745825250 c:\users\diman3000\desktop\cs-lab34\doctest.h
-	<signal.h>
-	<ciso646>
-	<cstddef>
-	<ostream>
-	<istream>
-	<type_traits>
-	"doctest_fwd.h"
-	<ctime>
-	<cmath>
-	<climits>
-	<math.h>
-	<new>
-	<cstdio>
-	<cstdlib>
-	<cstring>
-	<limits>
-	<utility>
-	<fstream>
-	<sstream>
-	<iostream>
-	<algorithm>
-	<iomanip>
-	<vector>
-	<atomic>
-	<mutex>
-	<set>
-	<map>
-	<unordered_set>
-	<exception>
-	<stdexcept>
-	<csignal>
-	<cfloat>
-	<cctype>
-	<cstdint>
-	<string>
-	<sys/types.h>
-	<unistd.h>
-	<sys/sysctl.h>
-	<AfxWin.h>
-	<windows.h>
-	<io.h>
-	<sys/time.h>
-	<unistd.h>
-
-1745825157 c:\users\diman3000\desktop\cs-lab34\histogram_internal.h
-	<vector>
-

cs-lab34.layout

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
-<CodeBlocks_layout_file>
-	<FileVersion major="1" minor="0" />
-	<ActiveTarget name="Debug" />
-	<File name="main.cpp" open="1" top="1" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
-		<Cursor>
-			<Cursor1 position="757" topLine="16" />
-		</Cursor>
-	</File>
-</CodeBlocks_layout_file>

histogram.cpp

@@ -1,34 +0,0 @@
-#include "histogram.h"
-#include <vector>
-
-using namespace std;
-
-void find_minmax(const vector<double>& numbers, double& min, double& max) {
-    min = numbers[0];
-    max = numbers[0];
-    for (float x : numbers) {
-        if (x < min) min = x;
-        else if (x > max) max = x;
-    }
-}
-
-vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
-    double min, max;
-    find_minmax(numbers, min, max);
-
-    float k = (max - min) / bin_count;
-    vector<size_t> bins(bin_count, 0);
-
-    for (double number : numbers) {
-        bool flag = false;
-        for (size_t j = 0; (j < bin_count && !flag); j++) {
-            if (number >= (min + k * j) && number < (min + k * (j + 1))) {
-                bins[j]++;
-                flag = true;
-            }
-        }
-        if (!flag) bins[bin_count - 1]++;
-    }
-
-    return bins;
-}

histogram.h

@@ -1,4 +0,0 @@
-#pragma once
-#include <vector>
-
-std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);

histogram_internal.h

@@ -1,4 +0,0 @@
-#pragma once
-#include <vector>
-
-void find_minmax(const std::vector<double>& numbers, double& min, double& max);

lab01.cbp

@@ -2,12 +2,12 @@
 <CodeBlocks_project_file>
 	<FileVersion major="1" minor="6" />
 	<Project>
-		<Option title="cs-lab34" />
+		<Option title="lab01" />
 		<Option pch_mode="2" />
 		<Option compiler="gcc" />
 		<Build>
 			<Target title="Debug">
-				<Option output="bin/Debug/cs-lab34" prefix_auto="1" extension_auto="1" />
+				<Option output="bin/Debug/lab01" prefix_auto="1" extension_auto="1" />
 				<Option object_output="obj/Debug/" />
 				<Option type="1" />
 				<Option compiler="gcc" />
@@ -16,7 +16,7 @@
 				</Compiler>
 			</Target>
 			<Target title="Release">
-				<Option output="bin/Release/cs-lab34" prefix_auto="1" extension_auto="1" />
+				<Option output="bin/Release/lab01" prefix_auto="1" extension_auto="1" />
 				<Option object_output="obj/Release/" />
 				<Option type="1" />
 				<Option compiler="gcc" />
@@ -33,6 +33,8 @@
 			<Add option="-fexceptions" />
 		</Compiler>
 		<Unit filename="main.cpp" />
-		<Extensions />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
 	</Project>
 </CodeBlocks_project_file>

main.cpp

@@ -1,35 +1,77 @@
 #include <iostream>
 #include <vector>
-#include "histogram.h"
-#include "text.h"
-#include "svg.h"
+#include <limits>
+
 using namespace std;
 
 struct Input {
     vector<double> numbers;
-    size_t bin_count;
+    size_t bin_count{};
 };
 
 Input input_data() {
-    Input in;
     size_t number_count;
-    cerr << "Enter number count: ";
     cin >> number_count;
 
+    Input in;
     in.numbers.resize(number_count);
-    cerr << "Enter numbers: ";
+
     for (size_t i = 0; i < number_count; i++) {
         cin >> in.numbers[i];
     }
 
-    cerr << "Enter bin count: ";
     cin >> in.bin_count;
+
     return in;
 }
 
+void find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (numbers.empty()) return;
+
+    min = max = numbers[0];
+
+    for (const double& number : numbers) {
+        if (number < min) {
+            min = number;
+        }
+        if (number > max) {
+            max = number;
+        }
+    }
+}
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+    double min, max;
+    find_minmax(numbers, min, max);
+
+    vector<size_t> bins(bin_count, 0);
+    double bin_width = (max - min) / bin_count;
+
+    for (const double& number : numbers) {
+        if (number == max) {
+            bins[bin_count - 1]++;
+        } else {
+            size_t bin_index = static_cast<size_t>((number - min) / bin_width);
+            if (bin_index >= bin_count) {
+                bin_index = bin_count - 1;
+            }
+            bins[bin_index]++;
+        }
+    }
+
+    return bins;
+}
+
+void show_histogram_text(const vector<size_t>& bins) {
+    for (size_t i = 0; i < bins.size(); i++) {
+        cout << "Bin " << i << ": " << bins[i] << endl;
+    }
+}
+
 int main() {
     auto in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_svg(bins);
+    show_histogram_text(bins);
+
     return 0;
 }

svg.cpp

@@ -1,58 +0,0 @@
-#include "svg.h"
-#include <iostream>
-
-using namespace std;
-
-void svg_begin(double width, double height) {
-    cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
-    cout << "<svg ";
-    cout << "width='" << width << "' 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) {
-    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>\n";
-}
-
-void svg_rect(double x, double y, double width, double height,
-              const string& stroke, const string& fill) {
-    cout << "<rect x='" << x << "' y='" << y << "' width='" << width
-         << "' height='" << height
-         << "' stroke='" << stroke
-         << "' fill='" << fill << "' />\n";
-}
-
-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;
-
-    size_t max_count = 0;
-    for (size_t count : bins) {
-        if (count > max_count) {
-            max_count = count;
-        }
-    }
-
-    double BLOCK_WIDTH = (IMAGE_WIDTH - TEXT_WIDTH) / static_cast<double>(max_count);
-
-    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
-
-    double top = 0;
-    for (size_t bin : bins) {
-        double bin_width = BLOCK_WIDTH * bin;
-        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "blue", "#aaaaff");
-        top += BIN_HEIGHT;
-    }
-
-    svg_end();
-}

svg.h

@@ -1,11 +0,0 @@
-#pragma once
-#include <vector>
-#include <string>
-
-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);

text.cpp

@@ -1,33 +0,0 @@
-#include "text.h"
-#include <iostream>
-
-using namespace std;
-
-void show_histogram_text(const vector<size_t>& bins) {
-    const size_t SCREEN_WIDTH = 80;
-    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
-
-    size_t max_count = 0;
-    for (size_t count : bins) {
-        if (count > max_count) {
-            max_count = count;
-        }
-    }
-
-    for (size_t bin : bins) {
-        if (bin < 100) cout << " ";
-        if (bin < 10) cout << " ";
-        cout << bin << "|";
-
-        size_t height = bin;
-        if (max_count > MAX_ASTERISK) {
-            if (max_count != bin)
-                height = MAX_ASTERISK * (static_cast<float>(bin) / max_count);
-            else
-                height = MAX_ASTERISK;
-        }
-
-        for (size_t i = 0; i < height; i++) cout << "*";
-        cout << "\n";
-    }
-}

text.h

@@ -1,4 +0,0 @@
-#pragma once
-#include <vector>
-
-void show_histogram_text(const std::vector<size_t>& bins);

unittest.cpp

@@ -1,43 +0,0 @@
-#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("all numbers are same") {
-    double min = 0;
-    double max = 0;
-    find_minmax({5, 5, 5, 5}, min, max);
-    CHECK(min == 5);
-    CHECK(max == 5);
-}
-
-TEST_CASE("with negative numbers") {
-    double min = 0;
-    double max = 0;
-    find_minmax({-3, -7, -1}, min, max);
-    CHECK(min == -7);
-    CHECK(max == -1);
-}
-
-TEST_CASE("single number") {
-    double min = 0;
-    double max = 0;
-    find_minmax({42}, min, max);
-    CHECK(min == 42);
-    CHECK(max == 42);
-}
-
-TEST_CASE("empty vector") {
-    double min = 0;
-    double max = 0;
-    find_minmax({}, min, max);
-    CHECK(min == 0);
-    CHECK(max == 0);
-}