diff --git a/histogram.cpp b/histogram.cpp
index 4d98aed..247d6d1 100644
--- a/histogram.cpp
+++ b/histogram.cpp
@@ -3,23 +3,17 @@
 #include "histogram.h"
 using namespace std;
 
-void find_minmax(const vector<double> &numbers, double &min, double &max)
-{
+bool find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (numbers.empty()) {
+        return false;
+    }
     min = numbers[0];
     max = numbers[0];
-    for(double number : numbers)
-    {
-        if(number < min)
-        {
-            min = number;
-        }
-        if(number > max)
-        {
-            max = number;
-        }
+    for (double number : numbers) {
+        if (number < min) min = number;
+        if (number > max) max = number;
     }
-    return;
-
+    return true;
 }
 
 std::vector<size_t> make_histogram(std::vector<double>& numbers, size_t bin_count)
diff --git a/histogram_internal.h b/histogram_internal.h
index 8e35594..d7cbb71 100644
--- a/histogram_internal.h
+++ b/histogram_internal.h
@@ -1,6 +1,6 @@
 #ifndef HISTOGRAM_INTERNAL_H_INCLUDED
 #define HISTOGRAM_INTERNAL_H_INCLUDED
 #include <vector>
-void find_minmax(const std::vector<double> &numbers, double &min, double &max);
+bool find_minmax(const std::vector<double> &numbers, double &min, double &max);
 
 #endif // HISTOGRAM_INTERNAL_H_INCLUDED
diff --git a/historgam.cpp b/historgam.cpp
index 4d98aed..247d6d1 100644
--- a/historgam.cpp
+++ b/historgam.cpp
@@ -3,23 +3,17 @@
 #include "histogram.h"
 using namespace std;
 
-void find_minmax(const vector<double> &numbers, double &min, double &max)
-{
+bool find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (numbers.empty()) {
+        return false;
+    }
     min = numbers[0];
     max = numbers[0];
-    for(double number : numbers)
-    {
-        if(number < min)
-        {
-            min = number;
-        }
-        if(number > max)
-        {
-            max = number;
-        }
+    for (double number : numbers) {
+        if (number < min) min = number;
+        if (number > max) max = number;
     }
-    return;
-
+    return true;
 }
 
 std::vector<size_t> make_histogram(std::vector<double>& numbers, size_t bin_count)
diff --git a/lab01.depend b/lab01.depend
index 9be2205..a1c8304 100644
--- a/lab01.depend
+++ b/lab01.depend
@@ -74,7 +74,7 @@
 1745611606 c:\users\платон\desktop\project\lab01\histogram_internal.h
 	<vector>
 
-1746093073 source:c:\users\платон\desktop\project\lab01\histogram.cpp
+1746450679 source:c:\users\платон\desktop\project\lab01\histogram.cpp
 	<iostream>
 	<vector>
 	"histogram.h"
diff --git a/lab01.layout b/lab01.layout
index 06c2d6a..7a7a092 100644
--- a/lab01.layout
+++ b/lab01.layout
@@ -2,24 +2,24 @@
 <CodeBlocks_layout_file>
 	<FileVersion major="1" minor="0" />
 	<ActiveTarget name="Debug" />
-	<File name="main.cpp" open="1" top="0" tabpos="2" split="0" active="1" splitpos="0" zoom_1="-1" zoom_2="0">
+	<File name="histogram.h" open="1" top="0" tabpos="0" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="511" topLine="19" />
+			<Cursor1 position="0" topLine="0" />
 		</Cursor>
 	</File>
-	<File name="svg.cpp" open="1" top="0" tabpos="4" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="main.cpp" open="1" top="0" tabpos="2" split="0" active="1" splitpos="0" zoom_1="-1" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="140" topLine="0" />
+			<Cursor1 position="511" topLine="19" />
 		</Cursor>
 	</File>
-	<File name="histogram.h" open="1" top="0" tabpos="0" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="histogram.cpp" open="1" top="1" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
 			<Cursor1 position="0" topLine="0" />
 		</Cursor>
 	</File>
-	<File name="histogram.cpp" open="1" top="0" tabpos="0" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="svg.cpp" open="1" top="0" tabpos="3" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="0" topLine="0" />
+			<Cursor1 position="140" topLine="0" />
 		</Cursor>
 	</File>
 </CodeBlocks_layout_file>
diff --git a/main.cpp b/main.cpp
index 57e57b6..57c9136 100644
--- a/main.cpp
+++ b/main.cpp
@@ -9,11 +9,12 @@ using namespace std;
 struct Input {
     vector<double> numbers;
     size_t bin_count{};
+    size_t bin_height{};//добавил переменную
 };
 
 Input
 input_data() {
-    size_t number_count, bin_count;
+    size_t number_count, bin_count, bin_height;
 	cerr << "Enter number count: ";
     cin >> number_count;
     Input in;
@@ -25,13 +26,15 @@ input_data() {
     }
     cerr << "Enter bin count: ";
     cin >> in.bin_count;
+    cerr << "Enter bin height: ";//добавил ввод
+    cin >> in.bin_height;
     return in;
 }
 int main()
 {
     auto in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_svg(bins);
+    show_histogram_svg(bins, in.bin_height);//добавил bin_height как параметр
 
     return 0;
 }
diff --git a/svg.cpp b/svg.cpp
index 2cc6d1d..0a5cd9c 100644
--- a/svg.cpp
+++ b/svg.cpp
@@ -1,14 +1,13 @@
 #include <math.h>
 #include <iostream>
-#include <conio.h>
 #include <vector>
 #include <string>
 #include "svg.h"
+#include <algorithm>
 
 using namespace std;
 
-void
-svg_begin(double width, double height)
+void svg_begin(double width, double height)
 {
     cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
     cout << "<svg ";
@@ -18,32 +17,26 @@ svg_begin(double width, double height)
     cout << "xmlns='http://www.w3.org/2000/svg'>\n";
 }
 
-void
-svg_end()
+void svg_end()
 {
     cout << "</svg>\n";
 }
 
-void
-svg_text(double left, double baseline, string text)
+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 = "black", string fill = "black")
+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)
+void show_histogram_svg(const vector<size_t>& bins, size_t bin_height)
 {
     const auto IMAGE_WIDTH = 400;
-    const auto IMAGE_HEIGHT = 300;
+    const auto IMAGE_HEIGHT = 700;//поменял
     const auto TEXT_LEFT = 20;
     const auto TEXT_BASELINE = 20;
     const auto TEXT_WIDTH = 50;
@@ -53,29 +46,28 @@ show_histogram_svg(const vector<size_t>& bins)
     const auto RED = "red";
     const auto MAX_WIDTH = IMAGE_WIDTH-TEXT_WIDTH;
 
+    if (!bins.empty()){
+        const size_t total_height = bins.size() * bin_height;
+        if (total_height > IMAGE_HEIGHT) {
+            bin_height = IMAGE_HEIGHT / bins.size();
+        }
+    }
 
     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];
-        }
-    }
+       double top = 0;
+    if (!bins.empty()) {
+        double max_count = *max_element(bins.begin(), bins.end());
 
-    for (size_t bin : bins)
-    {
-        double bin_width = (MAX_WIDTH)*(bin/max_count);
-        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, BLACK, RED);
-        top += BIN_HEIGHT;
+        for (size_t bin : bins) {
+            double bin_width = MAX_WIDTH * (static_cast<double>(bin) / max_count);
+            svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
+            svg_rect(TEXT_WIDTH, top, bin_width, bin_height, BLACK, RED); //добавил параметр
+            top += bin_height; //добавил параметр
+        }
     }
 
     svg_end();
 }
 
 
-
diff --git a/svg.h b/svg.h
index 91d53ba..6f76e4e 100644
--- a/svg.h
+++ b/svg.h
@@ -2,8 +2,6 @@
 #define SVG_H_INCLUDED
 #include <vector>
 
-void
-show_histogram_svg(const std::vector<size_t>& bins);
-
+void show_histogram_svg(const std::vector<size_t>& bins, size_t bin_height);//отредачил заголовок
 
 #endif // SVG_H_INCLUDED
diff --git a/unittest.cpp b/unittest.cpp
index 26f2524..d938ec1 100644
--- a/unittest.cpp
+++ b/unittest.cpp
@@ -24,3 +24,19 @@ TEST_CASE("vector of the same elements"){
     CHECK(min == 3);
     CHECK(max == 3);
 }
+TEST_CASE("single element vector") {
+    double min = 0;
+    double max = 0;
+    bool success = find_minmax({1}, min, max);
+    CHECK(success == true);
+    CHECK(min == 1);
+    CHECK(max == 1);
+}
+TEST_CASE("empty vector") {
+    double min = 0;
+    double max = 0;
+    bool success = find_minmax({}, min, max);
+    CHECK(success == false);
+    CHECK(min == 0);
+    CHECK(max == 0);
+}
diff --git a/unittest.depend b/unittest.depend
index e2d3ad4..618b379 100644
--- a/unittest.depend
+++ b/unittest.depend
@@ -7,7 +7,7 @@
 1745607609 c:\users\платон\desktop\project\lab01\histogram.h
 	<vector>
 
-1746092640 source:c:\users\платон\desktop\project\lab01\unittest.cpp
+1746450558 source:c:\users\платон\desktop\project\lab01\unittest.cpp
 	"doctest.h"
 	"histogram_internal.h"
 
@@ -56,10 +56,10 @@
 	<sys/time.h>
 	<unistd.h>
 
-1746092862 c:\users\платон\desktop\project\lab01\histogram_internal.h
+1746450731 c:\users\платон\desktop\project\lab01\histogram_internal.h
 	<vector>
 
-1746092126 source:c:\users\платон\desktop\project\lab01\histogram.cpp
+1746450679 source:c:\users\платон\desktop\project\lab01\histogram.cpp
 	<iostream>
 	<vector>
 	"histogram.h"