diff --git a/homework/Header.hpp b/homework/Header.hpp
new file mode 100644
index 0000000..bc693b4
--- /dev/null
+++ b/homework/Header.hpp
@@ -0,0 +1,6 @@
+#pragma once
+#include <vector>
+#include <cmath> 
+#include <iostream>
+
+std::vector<double> solve(double a, double b, double c);
\ No newline at end of file
diff --git a/hw.cpp/functions.cpp b/homework/functions.cpp
similarity index 60%
rename from hw.cpp/functions.cpp
rename to homework/functions.cpp
index ed311f5..7985a6f 100644
--- a/hw.cpp/functions.cpp
+++ b/homework/functions.cpp
@@ -1,13 +1,16 @@
 #include "Header.hpp"
 
 std::vector<double> solve(double a, double b, double c) {
-    if (a == 0) {
-        throw std::invalid_argument("Coefficient 'a' can't be zero.");
-    }
     std::vector<double>res;
     double diskr = b * b - 4 * a * c;
- 
+
+    if (diskr < 0) {
+        std::exception ex("Roots are not real, diskriminant < 0");
+        cout << ex.what();
+        exit(1);
+    }
+    double diskr = b * b - 4 * a * c;
     res.push_back((-b + sqrt(diskr)) / (2 * a));
     res.push_back((-b - sqrt(diskr)) / (2 * a));
     return res;
-}
\ No newline at end of file
+}
diff --git a/hw.cpp/hw.cpp.sln b/homework/homework.sln
similarity index 50%
rename from hw.cpp/hw.cpp.sln
rename to homework/homework.sln
index 642f965..b10d28b 100644
--- a/hw.cpp/hw.cpp.sln
+++ b/homework/homework.sln
@@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.12.35527.113 d17.12
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "hw.cpp", "hw.cpp.vcxproj", "{5861813B-A2F6-4AFF-A225-42ED788A9F92}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "homework", "homework.vcxproj", "{ABF24FD9-A54B-4309-8932-F9CBF777409B}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -13,14 +13,14 @@ Global
 		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{5861813B-A2F6-4AFF-A225-42ED788A9F92}.Debug|x64.ActiveCfg = Debug|x64
-		{5861813B-A2F6-4AFF-A225-42ED788A9F92}.Debug|x64.Build.0 = Debug|x64
-		{5861813B-A2F6-4AFF-A225-42ED788A9F92}.Debug|x86.ActiveCfg = Debug|Win32
-		{5861813B-A2F6-4AFF-A225-42ED788A9F92}.Debug|x86.Build.0 = Debug|Win32
-		{5861813B-A2F6-4AFF-A225-42ED788A9F92}.Release|x64.ActiveCfg = Release|x64
-		{5861813B-A2F6-4AFF-A225-42ED788A9F92}.Release|x64.Build.0 = Release|x64
-		{5861813B-A2F6-4AFF-A225-42ED788A9F92}.Release|x86.ActiveCfg = Release|Win32
-		{5861813B-A2F6-4AFF-A225-42ED788A9F92}.Release|x86.Build.0 = Release|Win32
+		{ABF24FD9-A54B-4309-8932-F9CBF777409B}.Debug|x64.ActiveCfg = Debug|x64
+		{ABF24FD9-A54B-4309-8932-F9CBF777409B}.Debug|x64.Build.0 = Debug|x64
+		{ABF24FD9-A54B-4309-8932-F9CBF777409B}.Debug|x86.ActiveCfg = Debug|Win32
+		{ABF24FD9-A54B-4309-8932-F9CBF777409B}.Debug|x86.Build.0 = Debug|Win32
+		{ABF24FD9-A54B-4309-8932-F9CBF777409B}.Release|x64.ActiveCfg = Release|x64
+		{ABF24FD9-A54B-4309-8932-F9CBF777409B}.Release|x64.Build.0 = Release|x64
+		{ABF24FD9-A54B-4309-8932-F9CBF777409B}.Release|x86.ActiveCfg = Release|Win32
+		{ABF24FD9-A54B-4309-8932-F9CBF777409B}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/hw.cpp/hw.cpp.vcxproj b/homework/homework.vcxproj
similarity index 96%
rename from hw.cpp/hw.cpp.vcxproj
rename to homework/homework.vcxproj
index fe750bd..c805101 100644
--- a/hw.cpp/hw.cpp.vcxproj
+++ b/homework/homework.vcxproj
@@ -21,10 +21,9 @@
   <PropertyGroup Label="Globals">
     <VCProjectVersion>17.0</VCProjectVersion>
     <Keyword>Win32Proj</Keyword>
-    <ProjectGuid>{5861813b-a2f6-4aff-a225-42ed788a9f92}</ProjectGuid>
-    <RootNamespace>hwcpp</RootNamespace>
+    <ProjectGuid>{abf24fd9-a54b-4309-8932-f9cbf777409b}</ProjectGuid>
+    <RootNamespace>homework</RootNamespace>
     <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
-    <ProjectName>hw1.cpp</ProjectName>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
@@ -128,11 +127,11 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="hww.cpp" />
+    <ClCompile Include="main.cpp" />
     <ClCompile Include="functions.cpp" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="Header.hpp" />
+    <ClInclude Include="Header.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/hw.cpp/hw.cpp.vcxproj.filters b/homework/homework.vcxproj.filters
similarity index 94%
rename from hw.cpp/hw.cpp.vcxproj.filters
rename to homework/homework.vcxproj.filters
index 4d7bb0b..4ece200 100644
--- a/hw.cpp/hw.cpp.vcxproj.filters
+++ b/homework/homework.vcxproj.filters
@@ -15,7 +15,7 @@
     </Filter>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="hww.cpp">
+    <ClCompile Include="main.cpp">
       <Filter>Исходные файлы</Filter>
     </ClCompile>
     <ClCompile Include="functions.cpp">
@@ -23,7 +23,7 @@
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="Header.hpp">
+    <ClInclude Include="Header.h">
       <Filter>Файлы заголовков</Filter>
     </ClInclude>
   </ItemGroup>
diff --git a/hw.cpp/hww.cpp b/homework/main.cpp
similarity index 97%
rename from hw.cpp/hww.cpp
rename to homework/main.cpp
index 94bc096..8968a25 100644
--- a/hw.cpp/hww.cpp
+++ b/homework/main.cpp
@@ -1,4 +1,5 @@
 #include "Header.hpp"
+#include <iostream>
 
 int main() {
     double a, b, c;
diff --git a/hw.cpp/Header.hpp b/hw.cpp/Header.hpp
deleted file mode 100644
index 1e5aa07..0000000
--- a/hw.cpp/Header.hpp
+++ /dev/null
@@ -1,6 +0,0 @@
-#pragma once
-#include <iostream>
-#include <vector>
-#include <cmath>
-#include <exception>
-std::vector<double> solve(double a, double b, double c);