upgrade to .net8

encse · encse · commit 8ebaa61a3ee7 · 2023-10-15T08:57:00.000+02:00
diff --git a/.vscode/launch.json b/.vscode/launch.json
@@ -11,7 +11,7 @@
             "request": "launch",
             "preLaunchTask": "build",
             // If you have changed target frameworks, make sure to update the program path.
-            "program": "${workspaceFolder}/bin/Debug/net7.0/adventofcode.dll",
+            "program": "${workspaceFolder}/bin/Debug/net8.0/adventofcode.dll",
             "args": ["${relativeFileDirname}"],
             "cwd": "${workspaceFolder}",
             // For more information about the 'console' field, see https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md#console-terminal-window
diff --git a/2015/Day04/Solution.cs b/2015/Day04/Solution.cs
@@ -1,5 +1,6 @@
 using System.Collections.Concurrent;
 using System.Linq;
+using System.Collections.Generic;
 using System.Security.Cryptography;
 using System.Text;
 using System.Threading.Tasks;
@@ -16,7 +17,7 @@ int ParallelFind(string input, string prefix) {
         var q = new ConcurrentQueue<int>();
 
         Parallel.ForEach(
-            Enumerable.Range(0, int.MaxValue), 
+            Numbers(), 
             () => MD5.Create(), 
             (i, state, md5) => {
                 var hashBytes = md5.ComputeHash(Encoding.ASCII.GetBytes(input + i));
@@ -33,4 +34,9 @@ int ParallelFind(string input, string prefix) {
         return q.Min();
     }
 
+    IEnumerable<int> Numbers() {
+        for (int i=0; ;i++) {
+            yield return i;
+        }
+    }
 }
diff --git a/2016/Day05/Solution.cs b/2016/Day05/Solution.cs
@@ -1,5 +1,7 @@
+using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Security.Cryptography;
 using System.Text;
@@ -8,51 +10,52 @@
 namespace AdventOfCode.Y2016.Day05;
 
 [ProblemName("How About a Nice Game of Chess?")]
-class Solution : Solver {
+class Solution : Solver
+{
 
-    public object PartOne(string input) {
-        var st = "";
-        foreach (var hash in Hashes(input)) {
-            st += hash[2].ToString("x");
-            if (st.Length == 8) {
-                break;
-            }
-        }
-        return st;
+    public object PartOne(string input)
+    {
+       return string.Join("", Hashes(input).Select(hash => hash[5]).Take(8));
     }
 
-    public object PartTwo(string input) {
-        var chars = Enumerable.Range(0, 8).Select(_ => (char)255).ToArray();
+    public object PartTwo(string input)
+    {
+        var res = new char[8];
         var found = 0;
-        foreach (var hash in Hashes(input)) {
-            if (hash[2] < 8) {
-                var i = hash[2];
-                if (chars[i] == 255) {
-                    chars[i] = hash[3].ToString("x2")[0];
-                    found++;
-                    if (found == 8) {
-                        break;
-                    }
+        foreach (var hash in Hashes(input))
+        {
+            var idx = hash[5] - '0';
+            if (0 <= idx && idx < 8 && res[idx] == 0)
+            {
+                res[idx] = hash[6];
+                found++;
+                if (found == 8) { 
+                    break; 
                 }
-
             }
+           
         }
-        return string.Join("", chars);
+        return string.Join("", res);
     }
 
-    public IEnumerable<byte[]> Hashes(string input) {
+    public IEnumerable<string> Hashes(string input)
+    {
 
-        for (var i = 0; i < int.MaxValue; i++) {
-            var q = new ConcurrentQueue<(int i, byte[] hash)>();
+        for (var i = 0; i < int.MaxValue; i++)
+        {
+            var q = new ConcurrentQueue<(int i, string hash)>();
 
             Parallel.ForEach(
-                Enumerable.Range(i, int.MaxValue - i),
+                NumbersFrom(i),
                 () => MD5.Create(),
-                (i, state, md5) => {
+                (i, state, md5) =>
+                {
                     var hash = md5.ComputeHash(Encoding.ASCII.GetBytes(input + i));
+                    var hashString = string.Join("", hash.Select(x => x.ToString("x2")));
 
-                    if (hash[0] == 0 && hash[1] == 0 && hash[2] < 16) {
-                        q.Enqueue((i, hash));
+                    if (hashString.StartsWith("00000"))
+                    {
+                        q.Enqueue((i, hashString));
                         state.Stop();
                     }
                     return md5;
@@ -64,4 +67,9 @@ public IEnumerable<byte[]> Hashes(string input) {
             yield return item.hash;
         }
     }
+
+    IEnumerable<int> NumbersFrom(int i)
+    {
+        for (;;) yield return i++;
+    }
 }
diff --git a/Lib/Generator/ReadmeGenerator.cs b/Lib/Generator/ReadmeGenerator.cs
@@ -38,7 +38,7 @@ public string Generate(int firstYear, int lastYear) {
            > 
            > ## Dependencies
 
-           > - This project is based on `.NET 7`  and `C# 11`. It should work on Windows, Linux and OS-X.
+           > - This project is based on `.NET 8`  and `C# 12`. It should work on Windows, Linux and OS-X.
            > - `AngleSharp` is used for problem download.
 
            > ## Running
diff --git a/README.md b/README.md
@@ -30,7 +30,7 @@ start working on your own. The framework part is pretty stable and you get testi
 
 ## Dependencies
 
-- This project is based on `.NET 7`  and `C# 11`. It should work on Windows, Linux and OS-X.
+- This project is based on `.NET 8`  and `C# 12`. It should work on Windows, Linux and OS-X.
 - `AngleSharp` is used for problem download.
 
 ## Running
diff --git a/adventofcode.csproj b/adventofcode.csproj
@@ -1,15 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
-    <LangVersion>11</LangVersion>
+    <TargetFramework>net8.0</TargetFramework>
+    <LangVersion>12</LangVersion>
     <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="AngleSharp" Version="0.14.0" />
     <PackageReference Include="AngleSharp.Css" Version="0.14.0" />
     <PackageReference Include="Microsoft.CodeAnalysis" Version="3.8.0" />
-    <PackageReference Include="System.Reflection.Emit" Version="4.3.0" />
-    <PackageReference Include="System.ValueTuple" Version="4.4.0" />
   </ItemGroup>
 </Project>

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ public string Generate(int firstYear, int lastYear) {`
`38`	`38`	`>`
`39`	`39`	`> ## Dependencies`
`40`	`40`
`41`		- > - This project is based on `.NET 7` and `C# 11`. It should work on Windows, Linux and OS-X.
	`41`	+ > - This project is based on `.NET 8` and `C# 12`. It should work on Windows, Linux and OS-X.
`42`	`42`	> - `AngleSharp` is used for problem download.
`43`	`43`
`44`	`44`	`> ## Running`