10.1 OK

Adv2018.sln

@@ -39,7 +39,9 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "D08.2", "D8.2\D08.2.csproj"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "D09.1", "D9.1\D09.1.csproj", "{9101C358-8060-4626-B7AB-359A0BA3D494}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "D9.2", "D9.2\D9.2.csproj", "{892458FC-C47F-4E0A-9603-4C3473321F25}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "D09.2", "D9.2\D09.2.csproj", "{892458FC-C47F-4E0A-9603-4C3473321F25}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "D10.1", "D10.1\D10.1.csproj", "{B50DA992-9316-4573-B0D2-5A4352EB3C4A}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -123,6 +125,10 @@ Global
 		{892458FC-C47F-4E0A-9603-4C3473321F25}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{892458FC-C47F-4E0A-9603-4C3473321F25}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{892458FC-C47F-4E0A-9603-4C3473321F25}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B50DA992-9316-4573-B0D2-5A4352EB3C4A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B50DA992-9316-4573-B0D2-5A4352EB3C4A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B50DA992-9316-4573-B0D2-5A4352EB3C4A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B50DA992-9316-4573-B0D2-5A4352EB3C4A}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

D10.1/D10.1.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <RootNamespace>D10._1</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="System.Drawing.Common" Version="4.5.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="System.Drawing.Common">
+      <HintPath>..\..\..\.nuget\system.drawing.common\4.5.1\ref\netstandard2.0\System.Drawing.Common.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+
+</Project>

D10.1/Program.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+
+namespace D10._1
+{
+    class Map : List<(int x, int y, int vx, int vy)> { }
+
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            if (args.Length < 1) return;
+            if (File.Exists(args[0]) == false) return;
+            var file = File.OpenText(args[0]);
+
+            var r = new Regex(@"position=<\s*(?<posx>-?\d+),\s*(?<posy>-?\d+)> velocity=<\s*(?<vx>-?\d+),\s*(?<vy>-?\d+)>");
+
+            var map = new Map();
+
+            do
+            {
+                var line = file.ReadLine();
+                if (line == null) break;
+
+                var result = r.Match(line);
+
+                map.Add((
+                    int.Parse(result.Groups["posx"].Value),
+                    int.Parse(result.Groups["posy"].Value),
+                    int.Parse(result.Groups["vx"].Value),
+                    int.Parse(result.Groups["vy"].Value)
+                ));
+
+            } while (true);
+
+            int tt = 0;
+            do
+            {
+                for (var i = 0; i< map.Count; ++i)
+                {
+                    var star = map[i];
+
+                    star.x += star.vx;
+                    star.y += star.vy;
+
+                    map[i] = star;
+                }
+
+
+            } while (isOk(map) == false);
+
+            int minX = map.Min(m => m.x);
+            int minY = map.Min(m => m.y);
+            int maxX = map.Max(m => m.x);
+            int maxY = map.Max(m => m.y);
+
+            var bmp = new Bitmap(maxX - minX + 1, maxY - minY + 1);
+            foreach (var star in map)
+            {
+                bmp.SetPixel(star.x - minX, star.y - minY, Color.Red);
+            }
+            bmp.Save("out.bmp");
+        }
+
+        static bool isOk(Map map)
+        {
+            var c = 0;
+            for (var i = 0; i < map.Count; ++i)
+            {
+                if (isIsolated(map, i)) c++;
+            }
+            return c < 100;
+        }
+
+        static bool isIsolated(Map map, int current)
+        {
+            var currentStar = map[current];
+            foreach (var star in map)
+            {
+                if (star.x == currentStar.x && star.y == currentStar.y)
+                    continue;
+
+                if (star.x == currentStar.x && (star.y == currentStar.y + 1 || star.y == currentStar.y - 1))
+                    return false; 
+                if (star.y == currentStar.y && (star.x == currentStar.x + 1 || star.x == currentStar.x - 1))
+                    return false;
+            }
+
+            return true;
+        }
+    }
+}

D10.1/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "D10.1": {
+      "commandName": "Project",
+      "commandLineArgs": "\"D:\\adv\\Adv2018\\D10.1\\input.txt\" "
+    }
+  }
+}

D10.1/input.txt

@@ -0,0 +1,360 @@
+position=< 53777,  21594> velocity=<-5, -2>
+position=< 53761,  53776> velocity=<-5, -5>
+position=<-32066,  53779> velocity=< 3, -5>
+position=<-21287,  43043> velocity=< 2, -4>
+position=< 10848, -42773> velocity=<-1,  4>
+position=<-10596,  53770> velocity=< 1, -5>
+position=<-42798,  53772> velocity=< 4, -5>
+position=<-21308, -32037> velocity=< 2,  3>
+position=<-21332,  10863> velocity=< 2, -1>
+position=<-10596, -21313> velocity=< 1,  2>
+position=<-42750, -53498> velocity=< 4,  5>
+position=<-10569, -21315> velocity=< 1,  2>
+position=<-21334,  53779> velocity=< 2, -5>
+position=< 43055, -10586> velocity=<-4,  1>
+position=< 21588, -21313> velocity=<-2,  2>
+position=< 53795,  32316> velocity=<-5, -3>
+position=< 43061, -21319> velocity=<-4,  2>
+position=<-10590, -21317> velocity=< 1,  2>
+position=<-21344, -32042> velocity=< 2,  3>
+position=<-53491, -42769> velocity=< 5,  4>
+position=< 53801,  21595> velocity=<-5, -2>
+position=< 43055, -42771> velocity=<-4,  4>
+position=<-32027, -21319> velocity=< 3,  2>
+position=< 43068,  21598> velocity=<-4, -2>
+position=< 32307, -53499> velocity=<-3,  5>
+position=< 53787, -53491> velocity=<-5,  5>
+position=<-21288,  53778> velocity=< 2, -5>
+position=<-42787,  10862> velocity=< 4, -1>
+position=<-53522,  32325> velocity=< 5, -3>
+position=<-53513,  21595> velocity=< 5, -2>
+position=<-42741, -32042> velocity=< 4,  3>
+position=< 43022, -53495> velocity=<-4,  5>
+position=< 43076,  21593> velocity=<-4, -2>
+position=< 53757, -10589> velocity=<-5,  1>
+position=<-32035,  43047> velocity=< 3, -4>
+position=< 32328, -42768> velocity=<-3,  4>
+position=< 21608, -53500> velocity=<-2,  5>
+position=< 53790, -21318> velocity=<-5,  2>
+position=<-10561, -32038> velocity=< 1,  3>
+position=<-32068, -42768> velocity=< 3,  4>
+position=< 10861, -10587> velocity=<-1,  1>
+position=< 43068,  53779> velocity=<-4, -5>
+position=< 21568, -10592> velocity=<-2,  1>
+position=<-42766, -10584> velocity=< 4,  1>
+position=<-53469, -10585> velocity=< 5,  1>
+position=< 21564,  32322> velocity=<-2, -3>
+position=<-42762, -32037> velocity=< 4,  3>
+position=< 21576, -10587> velocity=<-2,  1>
+position=<-10567,  53774> velocity=< 1, -5>
+position=<-21283,  21589> velocity=< 2, -2>
+position=<-32022, -32042> velocity=< 3,  3>
+position=<-21309,  10871> velocity=< 2, -1>
+position=< 53778,  53774> velocity=<-5, -5>
+position=<-53493, -21317> velocity=< 5,  2>
+position=< 43023, -42766> velocity=<-4,  4>
+position=< 43030, -42768> velocity=<-4,  4>
+position=< 10853,  21597> velocity=<-1, -2>
+position=< 21584,  53778> velocity=<-2, -5>
+position=<-53492,  53770> velocity=< 5, -5>
+position=<-21309, -10592> velocity=< 2,  1>
+position=<-10573, -53497> velocity=< 1,  5>
+position=<-53513, -10592> velocity=< 5,  1>
+position=<-42750, -42768> velocity=< 4,  4>
+position=< 21589,  32321> velocity=<-2, -3>
+position=< 43042,  21594> velocity=<-4, -2>
+position=< 32308, -10590> velocity=<-3,  1>
+position=<-32055, -21315> velocity=< 3,  2>
+position=<-21318, -42767> velocity=< 2,  4>
+position=<-53501,  10864> velocity=< 5, -1>
+position=<-53474, -53496> velocity=< 5,  5>
+position=<-53513, -21318> velocity=< 5,  2>
+position=<-10617, -21318> velocity=< 1,  2>
+position=< 10869, -42770> velocity=<-1,  4>
+position=< 43034, -21318> velocity=<-4,  2>
+position=< 53785,  21597> velocity=<-5, -2>
+position=<-32070, -53491> velocity=< 3,  5>
+position=<-42771, -32039> velocity=< 4,  3>
+position=<-42786, -32045> velocity=< 4,  3>
+position=<-10597,  53777> velocity=< 1, -5>
+position=<-32023, -32042> velocity=< 3,  3>
+position=< 53787, -10592> velocity=<-5,  1>
+position=<-21318,  53776> velocity=< 2, -5>
+position=<-10585, -53499> velocity=< 1,  5>
+position=< 32315,  32323> velocity=<-3, -3>
+position=< 53794, -53496> velocity=<-5,  5>
+position=< 10864, -42766> velocity=<-1,  4>
+position=<-32055, -42770> velocity=< 3,  4>
+position=<-53467,  53770> velocity=< 5, -5>
+position=< 32295,  53770> velocity=<-3, -5>
+position=< 32291, -32038> velocity=<-3,  3>
+position=<-32053,  21593> velocity=< 3, -2>
+position=< 10888,  43047> velocity=<-1, -4>
+position=< 53777,  53776> velocity=<-5, -5>
+position=< 43070,  43052> velocity=<-4, -4>
+position=<-53509,  53775> velocity=< 5, -5>
+position=< 43047, -21310> velocity=<-4,  2>
+position=< 10896,  53774> velocity=<-1, -5>
+position=< 10861,  32320> velocity=<-1, -3>
+position=< 21601,  43050> velocity=<-2, -4>
+position=< 53749, -21314> velocity=<-5,  2>
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+position=< 53747, -32037> velocity=<-5,  3>
+position=< 21593, -42773> velocity=<-2,  4>
+position=<-42782,  21598> velocity=< 4, -2>
+position=<-21299, -10592> velocity=< 2,  1>
+position=<-42766, -10592> velocity=< 4,  1>
+position=< 43022, -21311> velocity=<-4,  2>
+position=< 53801, -21314> velocity=<-5,  2>
+position=<-42742,  53779> velocity=< 4, -5>
+position=< 43042,  10862> velocity=<-4, -1>
+position=<-32066,  32322> velocity=< 3, -3>
+position=< 53746,  10871> velocity=<-5, -1>
+position=< 43038,  43050> velocity=<-4, -4>
+position=< 32349, -10588> velocity=<-3,  1>
+position=< 10858,  53778> velocity=<-1, -5>
+position=< 32304, -42773> velocity=<-3,  4>
+position=< 43042, -53499> velocity=<-4,  5>
+position=< 43035,  10864> velocity=<-4, -1>
+position=<-32021,  21593> velocity=< 3, -2>
+position=<-53501, -53494> velocity=< 5,  5>
+position=< 43074,  32325> velocity=<-4, -3>
+position=< 21620, -53499> velocity=<-2,  5>
+position=<-21320,  32322> velocity=< 2, -3>
+position=< 43050,  53779> velocity=<-4, -5>
+position=<-10601, -32045> velocity=< 1,  3>
+position=< 21608, -21310> velocity=<-2,  2>
+position=<-42794, -10592> velocity=< 4,  1>
+position=< 53750,  10863> velocity=<-5, -1>
+position=<-21341, -53500> velocity=< 2,  5>
+position=< 32348,  10871> velocity=<-3, -1>
+position=< 32307, -21316> velocity=<-3,  2>
+position=<-32019, -32042> velocity=< 3,  3>
+position=< 53774, -32046> velocity=<-5,  3>
+position=<-21286, -42764> velocity=< 2,  4>
+position=<-10615,  21598> velocity=< 1, -2>
+position=< 21604,  32316> velocity=<-2, -3>
+position=< 32312, -53491> velocity=<-3,  5>
+position=<-21339, -42764> velocity=< 2,  4>
+position=<-42766,  43047> velocity=< 4, -4>
+position=< 10888, -32037> velocity=<-1,  3>
+position=< 53754,  21598> velocity=<-5, -2>
+position=< 21576,  32320> velocity=<-2, -3>
+position=< 21580, -21317> velocity=<-2,  2>
+position=< 53750, -32041> velocity=<-5,  3>
+position=<-21323, -53495> velocity=< 2,  5>
+position=< 43066,  21592> velocity=<-4, -2>
+position=< 10840, -32046> velocity=<-1,  3>
+position=< 32343,  53774> velocity=<-3, -5>
+position=<-10564,  53779> velocity=< 1, -5>
+position=< 21590, -32043> velocity=<-2,  3>
+position=< 21612,  43046> velocity=<-2, -4>
+position=< 21576, -21312> velocity=<-2,  2>
+position=< 53777, -32044> velocity=<-5,  3>
+position=<-53493,  10863> velocity=< 5, -1>
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+position=< 10889,  10862> velocity=<-1, -1>
+position=<-10558, -32037> velocity=< 1,  3>
+position=<-21304,  10870> velocity=< 2, -1>
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+position=< 53770,  53775> velocity=<-5, -5>
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