D06 OK

Adv2016.sln

@@ -15,13 +15,17 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "D03.1", "D03.1\D03.1.csproj
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "D03.2", "D03.2\D03.2.csproj", "{66934053-8668-499D-A09D-9F52046E8738}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "D04.1", "D04.1\D04.1.csproj", "{09061CCB-A3BE-47A7-92EA-A5715C8642CC}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "D04.1", "D04.1\D04.1.csproj", "{09061CCB-A3BE-47A7-92EA-A5715C8642CC}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "D04.2", "D04.2\D04.2.csproj", "{453AB88F-605E-40A8-B73F-1D1EE6BA852D}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "D04.2", "D04.2\D04.2.csproj", "{453AB88F-605E-40A8-B73F-1D1EE6BA852D}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "D05.1", "D05.1\D05.1.csproj", "{54C11F9D-9DCB-4743-BED9-11CAF123837D}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "D05.1", "D05.1\D05.1.csproj", "{54C11F9D-9DCB-4743-BED9-11CAF123837D}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "D05.2", "D05.2\D05.2.csproj", "{A49B7DDA-4DC5-4392-B4E7-1AF59E4BEB90}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "D05.2", "D05.2\D05.2.csproj", "{A49B7DDA-4DC5-4392-B4E7-1AF59E4BEB90}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "D06.1", "D06.1\D06.1.csproj", "{90A745D8-7273-45C4-B005-E7AC4E7578F6}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "D06.2", "D06.2\D06.2.csproj", "{AC2C9A9B-FAFE-49A9-B838-CDEFD3598853}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -69,6 +73,14 @@ Global
 		{A49B7DDA-4DC5-4392-B4E7-1AF59E4BEB90}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A49B7DDA-4DC5-4392-B4E7-1AF59E4BEB90}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A49B7DDA-4DC5-4392-B4E7-1AF59E4BEB90}.Release|Any CPU.Build.0 = Release|Any CPU
+		{90A745D8-7273-45C4-B005-E7AC4E7578F6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{90A745D8-7273-45C4-B005-E7AC4E7578F6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{90A745D8-7273-45C4-B005-E7AC4E7578F6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{90A745D8-7273-45C4-B005-E7AC4E7578F6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AC2C9A9B-FAFE-49A9-B838-CDEFD3598853}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AC2C9A9B-FAFE-49A9-B838-CDEFD3598853}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AC2C9A9B-FAFE-49A9-B838-CDEFD3598853}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AC2C9A9B-FAFE-49A9-B838-CDEFD3598853}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

D06.1/D06.1.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <RootNamespace>D6._1</RootNamespace>
+  </PropertyGroup>
+
+</Project>

D06.1/Program.cs

@@ -0,0 +1,50 @@
+using System;
+using System.IO;
+
+namespace D6._1
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            if (args.Length < 1) throw new ArgumentException();
+            if (File.Exists(args[0]) == false) throw new FileNotFoundException();
+
+            var freq = new int[8][];
+
+            using (var file = File.OpenText(args[0]))
+            {
+                while (true)
+                {
+                    var line = file.ReadLine();
+                    if (line == null) break;
+
+                    for (var i = 0; i < 8; i++)
+                    {
+                        if (freq[i] == null) freq[i] = new int[26];
+                        freq[i][line[i] - 'a']++;
+                    }
+                }
+            }
+
+            var password = new char[8];
+
+            for (var i = 0; i < 8; i++)
+            {
+                int max = 0, maxi = 0;
+                for (var ci = 0; ci < 26; ci++)
+                {
+                    if (freq[i][ci] > max)
+                    {
+                        maxi = ci;
+                        max = freq[i][ci];
+                    }
+                }
+
+                password[i] = (char)(maxi + 'a');
+            }
+
+            Console.WriteLine($"Password is : {string.Join("", password)}");
+        }
+    }
+}

D06.1/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "D06.1": {
+      "commandName": "Project",
+      "commandLineArgs": "\"..\\..\\..\\..\\D06.1\\input.txt\""
+    }
+  }
+}

D06.1/input.txt

@@ -0,0 +1,546 @@
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D06.2/D06.2.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <RootNamespace>D06._2</RootNamespace>
+  </PropertyGroup>
+
+</Project>

D06.2/Program.cs

@@ -0,0 +1,50 @@
+using System;
+using System.IO;
+
+namespace D6._2
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            if (args.Length < 1) throw new ArgumentException();
+            if (File.Exists(args[0]) == false) throw new FileNotFoundException();
+
+            var freq = new int[8][];
+
+            using (var file = File.OpenText(args[0]))
+            {
+                while (true)
+                {
+                    var line = file.ReadLine();
+                    if (line == null) break;
+
+                    for (var i = 0; i < 8; i++)
+                    {
+                        if (freq[i] == null) freq[i] = new int[26];
+                        freq[i][line[i] - 'a']++;
+                    }
+                }
+            }
+
+            var password = new char[8];
+
+            for (var i = 0; i < 8; i++)
+            {
+                int min = int.MaxValue, mini = 0;
+                for (var ci = 0; ci < 26; ci++)
+                {
+                    if (freq[i][ci] < min)
+                    {
+                        mini = ci;
+                        min = freq[i][ci];
+                    }
+                }
+
+                password[i] = (char)(mini + 'a');
+            }
+
+            Console.WriteLine($"Password is : {string.Join("", password)}");
+        }
+    }
+}

D06.2/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "D06.2": {
+      "commandName": "Project",
+      "commandLineArgs": "\"..\\..\\..\\..\\D06.1\\input.txt\""
+    }
+  }
+}