diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..35d4ccd
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,206 @@
+# Download this file using PowerShell v3 under Windows with the following comand:
+# Invoke-WebRequest https://gist.githubusercontent.com/kmorcinek/2710267/raw/ -OutFile .gitignore
+# or wget:
+# wget --no-check-certificate http://gist.githubusercontent.com/kmorcinek/2710267/raw/.gitignore
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+
+[Dd]ebug/
+[Rr]elease/
+x64/
+build/
+[Bb]in/
+[Oo]bj/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+*_i.c
+*_p.c
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.log
+*.scc
+
+# OS generated files #
+.DS_Store*
+Icon?
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+*.ncrunch*
+.*crunch*.local.xml
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.Publish.xml
+
+# Windows Azure Build Output
+csx
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+*.Cache
+ClientBin/
+# [Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.[Pp]ublish.xml
+*.pfx
+*.publishsettings
+modulesbin/
+tempbin/
+
+# EPiServer Site file (VPP)
+AppData/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file to a newer
+# Visual Studio version. Backup files are not needed, because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# vim
+*.txt~
+*.swp
+*.swo
+
+# svn
+.svn
+
+# Remainings from resolvings conflicts in Source Control
+*.orig
+
+# SQL Server files
+**/App_Data/*.mdf
+**/App_Data/*.ldf
+**/App_Data/*.sdf
+
+
+#LightSwitch generated files
+GeneratedArtifacts/
+_Pvt_Extensions/
+ModelManifest.xml
+
+# =========================
+# Windows detritus
+# =========================
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Mac desktop service store files
+.DS_Store
+
+# SASS Compiler cache
+.sass-cache
+
+# Visual Studio 2014 CTP
+**/*.sln.ide
+
+# Visual Studio temp something
+.vs/
+
+# VS 2015+
+*.vc.vc.opendb
+*.vc.db
+
+# Rider
+.idea/
+
+**/node_modules/*
+
+# Added by Jskonst
+.vscode/
+Properties/
+
+#####
+# End of core ignore list, below put you custom 'per project' settings (patterns or path)
+#####
\ No newline at end of file
diff --git a/CourseApp.Tests/CourseApp.Tests.csproj b/CourseApp.Tests/CourseApp.Tests.csproj
new file mode 100644
index 0000000..8fb7e4a
--- /dev/null
+++ b/CourseApp.Tests/CourseApp.Tests.csproj
@@ -0,0 +1,30 @@
+
+
+
+ netcoreapp2.1
+ True
+ 1573,1591,1701;1702;1705
+ false
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ ../_stylecop/stylecop.ruleset
+ true
+
+
+
+
+
+
+
diff --git a/CourseApp.Tests/ExamTest.cs b/CourseApp.Tests/ExamTest.cs
new file mode 100644
index 0000000..56f5ae4
--- /dev/null
+++ b/CourseApp.Tests/ExamTest.cs
@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using Xunit;
+
+namespace CourseApp.Tests
+{
+ public class ExamTest
+ {
+ [Fact]
+ public void EmptyTest()
+ {
+ Dictionary>> dict = new Dictionary>>();
+ Dictionary exp = new Dictionary();
+ Assert.Equal(exp, Exam.MyFlatFunc(dict));
+ }
+
+ [Fact]
+ public void Test1()
+ {
+ Dictionary>> dict = new Dictionary>>();
+ dict.Add("a", new Dictionary>());
+ dict["a"].Add("b", new Dictionary());
+ dict["a"]["b"].Add("c", "12");
+ Dictionary exp = new Dictionary();
+ exp.Add("a/b/c", "12");
+ Assert.Equal(exp, Exam.MyFlatFunc(dict));
+ }
+
+ [Fact]
+ public void Test2()
+ {
+ Dictionary>> dict = new Dictionary>>();
+ dict.Add("a", new Dictionary>());
+ dict["a"].Add("b", new Dictionary());
+ dict["a"]["b"].Add("c", "12");
+ dict["a"]["b"].Add("d", "Hello World");
+ Dictionary exp = new Dictionary();
+ exp.Add("a/b/c", "12");
+ exp.Add("a/b/d", "Hello World");
+ Assert.Equal(exp, Exam.MyFlatFunc(dict));
+ }
+
+ [Fact]
+ public void Test3()
+ {
+ Dictionary>> dict = new Dictionary>>();
+ dict.Add("a", new Dictionary>());
+ dict["a"].Add("b", new Dictionary());
+ dict["a"]["b"].Add("c", "12");
+ dict["a"]["b"].Add("d", "Hello World");
+ dict["a"]["b"].Add("e", "1, 2, 3");
+ Dictionary exp = new Dictionary();
+ exp.Add("a/b/c", "12");
+ exp.Add("a/b/d", "Hello World");
+ exp.Add("a/b/e", "1, 2, 3");
+ Assert.Equal(exp, Exam.MyFlatFunc(dict));
+ }
+ }
+}
\ No newline at end of file
diff --git a/CourseApp/CourseApp.csproj b/CourseApp/CourseApp.csproj
new file mode 100644
index 0000000..b244e47
--- /dev/null
+++ b/CourseApp/CourseApp.csproj
@@ -0,0 +1,23 @@
+
+
+
+ Exe
+ netcoreapp2.1
+ True
+ 1573,1591,1701;1702;1705;
+
+
+
+
+
+
+
+ ../_stylecop/stylecop.ruleset
+ true
+
+
+
+
+
+
+
diff --git a/CourseApp/CourseApp.sln b/CourseApp/CourseApp.sln
new file mode 100644
index 0000000..9eae834
--- /dev/null
+++ b/CourseApp/CourseApp.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.27130.2027
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CourseApp", "CourseApp.csproj", "{9B953FDD-1645-4B1A-B148-5849E7C2D3A7}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CourseApp.Tests", "..\CourseApp.Tests\CourseApp.Tests.csproj", "{C348D2ED-C90F-4CE7-A1D8-9E57CBB33BDE}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {9B953FDD-1645-4B1A-B148-5849E7C2D3A7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {9B953FDD-1645-4B1A-B148-5849E7C2D3A7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {9B953FDD-1645-4B1A-B148-5849E7C2D3A7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {9B953FDD-1645-4B1A-B148-5849E7C2D3A7}.Release|Any CPU.Build.0 = Release|Any CPU
+ {C348D2ED-C90F-4CE7-A1D8-9E57CBB33BDE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {C348D2ED-C90F-4CE7-A1D8-9E57CBB33BDE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {C348D2ED-C90F-4CE7-A1D8-9E57CBB33BDE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {C348D2ED-C90F-4CE7-A1D8-9E57CBB33BDE}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {064E603C-674E-4DB9-A061-4B08C0ACD98C}
+ EndGlobalSection
+EndGlobal
diff --git a/CourseApp/Exam.cs b/CourseApp/Exam.cs
new file mode 100644
index 0000000..9f54fb8
--- /dev/null
+++ b/CourseApp/Exam.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+
+namespace CourseApp
+{
+ public class Exam
+ {
+ public static Dictionary MyFlatFunc(Dictionary>> dict)
+ {
+ Dictionary dictresult = new Dictionary();
+ string path;
+ foreach (var a in dict)
+ {
+ if (a.Value is Dictionary>)
+ {
+ path = a.Key + "/";
+ foreach (var b in a.Value)
+ {
+ if (b.Value is Dictionary)
+ {
+ path += b.Key + "/";
+ foreach (var c in b.Value)
+ {
+ if (c.Value is string)
+ {
+ dictresult.Add(path + c.Key, c.Value);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ return dictresult;
+ }
+
+ public static void Main(string[] args)
+ {
+ Dictionary>> dict = new Dictionary>>();
+ dict.Add("a", new Dictionary>());
+ dict["a"].Add("b", new Dictionary());
+ dict["a"]["b"].Add("c", "12");
+ dict["a"]["b"].Add("d", "Hello World");
+ dict["a"]["b"].Add("e", "1, 2, 3");
+
+ foreach (var a in MyFlatFunc(dict))
+ {
+ Console.WriteLine(a);
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/README.md b/README.md
index f61d7f1..9d90bcf 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,12 @@
-# exam_42_2020
\ No newline at end of file
+# exam_42_2020
+
+Somov Evgeniy
+Дан словарь (Map) – необходимо развернуть словарь в плоскую структуру.
+
+Дано:
+
+{ 'a': { 'b': { 'c': 12, 'd': 'Hello World' }, 'e': [1,2,3] } }
+
+Ожидаемый результат
+
+{ 'a/b/c': 12, 'a/b/d': 'Hello World', 'a/e': [1,2,3] }
\ No newline at end of file
diff --git a/_stylecop/stylecop.json b/_stylecop/stylecop.json
new file mode 100644
index 0000000..4a96e8f
--- /dev/null
+++ b/_stylecop/stylecop.json
@@ -0,0 +1,12 @@
+{
+ "$schema": "https://raw.githubusercontent.com/DotNetAnalyzers/StyleCopAnalyzers/master/StyleCop.Analyzers/StyleCop.Analyzers/Settings/stylecop.schema.json",
+ "settings": {
+ "documentationRules": {
+ "documentExposedElements": false,
+ "documentInterfaces": false,
+ "companyName": "Test Company",
+ "copyrightText": "This source code is Copyright © {companyName} and MAY NOT be copied, reproduced,\npublished, distributed or transmitted to or stored in any manner without prior\nwritten consent from {companyName} (www.yourcompany.com).",
+ "xmlHeader":false
+ }
+ }
+}
\ No newline at end of file
diff --git a/_stylecop/stylecop.ruleset b/_stylecop/stylecop.ruleset
new file mode 100644
index 0000000..98806c8
--- /dev/null
+++ b/_stylecop/stylecop.ruleset
@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file