diff --git a/Exam.sln b/Exam.sln
new file mode 100644
index 0000000..8c85f6e
--- /dev/null
+++ b/Exam.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29806.167
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Exam", "Экзамен\Exam.csproj", "{F7F67798-D32F-4AF0-9A31-243104DF7CFE}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "XUnitTest", "XUnitTest\XUnitTest.csproj", "{FA8A3035-61D6-4A6A-9D04-8EC6F1B5E2B1}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {F7F67798-D32F-4AF0-9A31-243104DF7CFE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {F7F67798-D32F-4AF0-9A31-243104DF7CFE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {F7F67798-D32F-4AF0-9A31-243104DF7CFE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {F7F67798-D32F-4AF0-9A31-243104DF7CFE}.Release|Any CPU.Build.0 = Release|Any CPU
+ {FA8A3035-61D6-4A6A-9D04-8EC6F1B5E2B1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {FA8A3035-61D6-4A6A-9D04-8EC6F1B5E2B1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {FA8A3035-61D6-4A6A-9D04-8EC6F1B5E2B1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {FA8A3035-61D6-4A6A-9D04-8EC6F1B5E2B1}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {C03E751C-2F37-49CE-A64D-56885F385FC5}
+ EndGlobalSection
+EndGlobal
diff --git a/Exam/Exam.csproj b/Exam/Exam.csproj
new file mode 100644
index 0000000..ee3646b
--- /dev/null
+++ b/Exam/Exam.csproj
@@ -0,0 +1,12 @@
+
+
+
+ Exe
+ netcoreapp3.1
+
+
+
+
+
+
+
diff --git a/Exam/Map.cs b/Exam/Map.cs
new file mode 100644
index 0000000..6ea839d
--- /dev/null
+++ b/Exam/Map.cs
@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+
+namespace Examen
+{
+ public class Map
+ {
+ public static void Main(string[] args)
+ {
+ Dictionary>> words = new Dictionary>>();
+ words.Add("a", new Dictionary>());
+ words["a"].Add("b", new Dictionary());
+ words["a"].Add("", new Dictionary());
+ words["a"]["b"].Add("c", "12");
+ words["a"]["b"].Add("d", "Hello World");
+ words["a"][""].Add("e", "1,2,3");
+ foreach (KeyValuePair d in FuncFlat(words))
+ {
+ Console.WriteLine(d.Key + " : " + d.Value);
+ }
+ }
+ public static Dictionary FuncFlat(Dictionary>> words)
+ {
+ Dictionary wordsFlat = new Dictionary();
+ foreach (string a in words.Keys)
+ {
+ foreach (string b in words[a].Keys)
+ {
+ foreach (KeyValuePair c in words[a][b])
+ {
+ string flat = a;
+ if (b != "")
+ {
+ flat += "/" + b + "/" + c.Key;
+ }
+ else
+ {
+ flat += b + "/" + c.Key;
+ }
+ wordsFlat.Add(flat, c.Value);
+ }
+ }
+ }
+ return wordsFlat;
+ }
+ }
+}
diff --git a/README.md b/README.md
index f61d7f1..8ebf7fb 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,12 @@
-# exam_42_2020
\ No newline at end of file
+# exam_42_2020
+ 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] }
+
+Герасимов Александр Сергеевич 2/42
\ No newline at end of file
diff --git a/XUnitTest/UnitTest1.cs b/XUnitTest/UnitTest1.cs
new file mode 100644
index 0000000..7877abf
--- /dev/null
+++ b/XUnitTest/UnitTest1.cs
@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+using Xunit;
+
+namespace Examen
+{
+ public class UnitTest1
+ {
+ [Fact]
+ public void EmptyTest()
+ {
+ Dictionary>> words = new Dictionary>>();
+ Assert.Equal(new Dictionary(), Map.FuncFlat(words));
+ }
+ [Fact]
+ public void CorrectTest()
+ {
+ Dictionary>> words = new Dictionary>>();
+ words.Add("a", new Dictionary>());
+ words["a"].Add("b", new Dictionary());
+ words["a"].Add("", new Dictionary());
+ words["a"]["b"].Add("c", "12");
+ words["a"]["b"].Add("d", "Hello World");
+ words["a"][""].Add("e", "1,2,3");
+ Dictionary correct = new Dictionary();
+ correct.Add("a/b/c", "12");
+ correct.Add("a/b/d", "Hello World");
+ correct.Add("a/e", "1,2,3");
+ Assert.Equal(correct, Map.FuncFlat(words));
+ }
+ }
+}
diff --git a/XUnitTest/XUnitTest.csproj b/XUnitTest/XUnitTest.csproj
new file mode 100644
index 0000000..ba66d42
--- /dev/null
+++ b/XUnitTest/XUnitTest.csproj
@@ -0,0 +1,20 @@
+
+
+
+ netcoreapp3.1
+
+ false
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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