diff --git a/histogram.cpp b/histogram.cpp
index ce7a325..78f4edf 100644
--- a/histogram.cpp
+++ b/histogram.cpp
@@ -1,6 +1,6 @@
 #include "histogram.h"
 
-void find_minmax(std::vector<double> vec, double& min, double& max) {
+void find_minmax(vector<double> vec, double& min, double& max) {
 
 
     min = vec[0];
diff --git a/histogram_internal.h b/histogram_internal.h
index 4567891..3b50f2f 100644
--- a/histogram_internal.h
+++ b/histogram_internal.h
@@ -1,6 +1,6 @@
 #ifndef HISTOGRAM_INTERNAL_H_INCLUDED
 #define HISTOGRAM_INTERNAL_H_INCLUDED
-
-void find_minmax(std::vector<double> vec, double& min, double& max);
+using namespace std;
+void find_minmax(vector<double> vec, double& min, double& max);
 
 #endif // HISTOGRAM_INTERNAL_H_INCLUDED
diff --git a/laba01.cbp b/laba01.cbp
index 8b0334c..1d431b1 100644
--- a/laba01.cbp
+++ b/laba01.cbp
@@ -32,7 +32,13 @@
 			<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>
diff --git a/main.cpp b/main.cpp
index 551e54b..3980e6b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -2,9 +2,9 @@
 #include <vector>
 #include "histogram.h"
 #include "text.h"
-
+#include "svg.h"
 struct Input {
-    std::vector<double> numbers;
+    vector<double> numbers;
     size_t bin_count{};
 };
 
@@ -12,18 +12,18 @@ Input input_data() {
     Input in;
     size_t number_count;
 
-    std::cerr << "Enter the number of elements: ";
-    std::cin >> number_count;
+    cerr << "Enter the number of elements: ";
+    cin >> number_count;
 
     in.numbers.resize(number_count);
 
-    std::cerr << "\nEnter " << number_count << " elements:" << std::endl;
+    cerr << "\nEnter " << number_count << " elements:" << endl;
     for (size_t i = 0; i < number_count; i++) {
-        std::cin >> in.numbers[i];
+        cin >> in.numbers[i];
     }
 
-    std::cerr << "Enter the number of bins: ";
-    std::cin >> in.bin_count;
+    cerr << "Enter the number of bins: ";
+    cin >> in.bin_count;
 
     return in;
 }
@@ -31,6 +31,6 @@ Input input_data() {
 int main() {
     auto in = input_data();
     auto bins = make_histogram(in.bin_count, in.numbers);
-    show_histogram(bins);
+    show_histogram_svg(bins);
     return 0;
 }
diff --git a/text.cpp b/text.cpp
index add972a..3ca4555 100644
--- a/text.cpp
+++ b/text.cpp
@@ -1,7 +1,7 @@
 #include "text.h"
 #include <iostream>
 
-void show_histogram(const vector<size_t>& bins) {
+void show_histogram(const std::vector<size_t>& bins) {
 
 
     bool gigant = false;
diff --git a/text.h b/text.h
index df05754..fd8c2d1 100644
--- a/text.h
+++ b/text.h
@@ -2,7 +2,7 @@
 #define TEXT_H_INCLUDED
 
 #include <vector>
-
-void show_histogram(const vector<size_t>& bins);
+using namespace std;
+void show_histogram(const std::vector<size_t>& bins);
 
 #endif // TEXT_H_INCLUDED
diff --git a/unittest/bin/Debug/unittest.exe b/unittest/bin/Debug/unittest.exe
index d854462..f8ce217 100644
Binary files a/unittest/bin/Debug/unittest.exe and b/unittest/bin/Debug/unittest.exe differ
diff --git a/unittest/obj/Debug/histogram.o b/unittest/obj/Debug/histogram.o
index e1f6ebb..0f902e2 100644
Binary files a/unittest/obj/Debug/histogram.o and b/unittest/obj/Debug/histogram.o differ
diff --git a/unittest/obj/Debug/unittest.o b/unittest/obj/Debug/unittest.o
index 51853c6..2a29363 100644
Binary files a/unittest/obj/Debug/unittest.o and b/unittest/obj/Debug/unittest.o differ
diff --git a/unittest/unittest.cbp b/unittest/unittest.cbp
index 7f9621b..0154cc0 100644
--- a/unittest/unittest.cbp
+++ b/unittest/unittest.cbp
@@ -31,6 +31,19 @@
 		<Compiler>
 			<Add option="-Wall" />
 		</Compiler>
+		<Unit filename="../doctest.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
+		<Unit filename="../histogram.cpp" />
+		<Unit filename="../histogram.h" />
+		<Unit filename="../marks.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
+		<Unit filename="../svg.cpp" />
+		<Unit filename="../svg.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
+		<Unit filename="../unittest.cpp" />
 		<Extensions>
 			<lib_finder disable_auto="1" />
 		</Extensions>
diff --git a/unittest/unittest.depend b/unittest/unittest.depend
index 0627a11..e19dca0 100644
--- a/unittest/unittest.depend
+++ b/unittest/unittest.depend
@@ -1,12 +1,12 @@
 # depslib dependency file v1.0
-1748213255 source:c:\users\home\desktop\lab34\laba01\histogram.cpp
+1748243702 source:c:\users\home\desktop\lab34\laba01\histogram.cpp
 	"histogram.h"
 
-1748213210 c:\users\home\desktop\lab34\laba01\histogram.h
+1748243652 c:\users\home\desktop\lab34\laba01\histogram.h
 	<vector>
 	<iostream>
 
-1748213127 source:c:\users\home\desktop\lab34\laba01\unittest.cpp
+1748213519 source:c:\users\home\desktop\lab34\laba01\unittest.cpp
 	"doctest.h"
 	"histogram_internal.h"
 
@@ -55,5 +55,81 @@
 	<sys/time.h>
 	<unistd.h>
 
-1748213259 c:\users\home\desktop\lab34\laba01\histogram_internal.h
+1748243717 c:\users\home\desktop\lab34\laba01\histogram_internal.h
+
+1748242437 source:c:\users\home\desktop\lab34\laba01\svg.cpp
+	"svg.h"
+
+1748242437 c:\users\home\desktop\lab34\laba01\svg.h
+	<iostream>
+	<vector>
+	<string>
+	<math.h>
+
+1748243704 source:c:\users\u111-15\desktop\lab34\laba01\histogram.cpp
+	"histogram.h"
+
+1748243654 c:\users\u111-15\desktop\lab34\laba01\histogram.h
+	<vector>
+	<iostream>
+
+1748386434 source:c:\users\u111-15\desktop\lab34\laba01\svg.cpp
+	"svg.h"
+
+1748242438 c:\users\u111-15\desktop\lab34\laba01\svg.h
+	<iostream>
+	<vector>
+	<string>
+	<math.h>
+
+1748213520 source:c:\users\u111-15\desktop\lab34\laba01\unittest.cpp
+	"doctest.h"
+	"histogram_internal.h"
+
+1748430259 c:\users\u111-15\desktop\lab34\laba01\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>
+
+1748243718 c:\users\u111-15\desktop\lab34\laba01\histogram_internal.h