create new

CodinGameSolutions.sln

@@ -6,6 +6,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SummerChallenge2023", "Summ
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Code vs Zombies", "Code vs Zombies\Code vs Zombies.csproj", "{7C31D204-C3B9-422F-818A-25463BF6835C}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mars Lander", "Mars Lander\Mars Lander.csproj", "{5F313686-D3B9-4E6D-884D-D185F93364A5}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -24,5 +26,9 @@ Global
 		{7C31D204-C3B9-422F-818A-25463BF6835C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7C31D204-C3B9-422F-818A-25463BF6835C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7C31D204-C3B9-422F-818A-25463BF6835C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5F313686-D3B9-4E6D-884D-D185F93364A5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5F313686-D3B9-4E6D-884D-D185F93364A5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5F313686-D3B9-4E6D-884D-D185F93364A5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5F313686-D3B9-4E6D-884D-D185F93364A5}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

Mars Lander/Mars Lander.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net5.0</TargetFramework>
+        <RootNamespace>Mars_Lander</RootNamespace>
+    </PropertyGroup>
+
+</Project>

Mars Lander/Program.cs

@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+
+/**
+ * Save the Planet.
+ * Use less Fossil Fuel.
+ */
+class Player
+{
+    public record FlatSurface(Vector2 Left, Vector2 Right, Vector2 Center, float Length)
+    {
+        public override string ToString()
+        {
+            return $"{{ Left = {Left}, Right = {Right}, Center = {Center}, Length = {Length} }}";
+        }
+    }
+
+    private static void Main(string[] args)
+    {
+        string[] inputs;
+        var N = int.Parse(Console.ReadLine()); // the number of points used to draw the surface of Mars.
+
+        var marsLandPoints = new List<Vector2>();
+        for (var i = 0; i < N; i++)
+        {
+            inputs = Console.ReadLine().Split(' ');
+            var landX = int.Parse(inputs[0]);
+            var landY = int.Parse(inputs[1]);
+            marsLandPoints.Add(new Vector2(landX, landY));
+        }
+
+        var flatSurface2 = marsLandPoints.Skip(1)
+            .Select((x, i) => new FlatSurface(marsLandPoints[i], x, (marsLandPoints[i] + x) / 2, x.X - marsLandPoints[i].X));
+        var flatSurface = flatSurface2
+            .FirstOrDefault(x => x.Left.Y == x.Right.Y);
+
+
+        // game loop
+        while (true)
+        {
+            inputs = Console.ReadLine().Split(' ');
+            var position = new Vector2(int.Parse(inputs[0]), int.Parse(inputs[1]));
+            var speed = new Vector2(int.Parse(inputs[2]), int.Parse(inputs[3]));
+
+            var F = int.Parse(inputs[4]); // the quantity of remaining fuel in liters.
+            var R = int.Parse(inputs[5]); // the rotation angle in degrees (-90 to 90).
+            var P = int.Parse(inputs[6]); // the thrust power (0 to 4).
+
+            // Write an action using Console.WriteLine()
+            // To debug: Console.Error.WriteLine("Debug messages...");
+            SetPositionAboveLand(flatSurface, position, speed);
+        }
+    }
+
+    private static void SetPositionAboveLand(FlatSurface flatSurface, Vector2 position, Vector2 speed)
+    {
+        var directionToSurface = -1;
+
+
+        var direction = (flatSurface.Center - position).X;
+        var rotation = -20 * (direction / 4000) - (speed.X / 50);
+        Console.Error.WriteLine($"Direction%: {direction / 4000}. speed%{speed.X / 50}");
+
+        // if (direction < -flatSurface.Length / 2)
+        // {
+        //     rotation *= 1;
+        // }
+        // else if (direction > flatSurface.Length / 2)
+        // {
+        //     rotation *= -1;
+        // }
+
+        int trust = 0;
+        if (position.Y < 2500)
+        {
+            trust = 4;
+        }
+        else
+        {
+            trust = 3;
+        }
+
+        // R P. R is the desired rotation angle. P is the desired thrust power.
+        Console.WriteLine($"{(int)rotation} {trust}");
+    }
+}