统一归档20260319

CS/lab10/10_2/10_2.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>_10_2</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

CS/lab10/10_2/10_2.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36717.8 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "10_2", "10_2.csproj", "{0F5EF24A-118F-49CD-9A90-019285EB79A8}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{0F5EF24A-118F-49CD-9A90-019285EB79A8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0F5EF24A-118F-49CD-9A90-019285EB79A8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0F5EF24A-118F-49CD-9A90-019285EB79A8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0F5EF24A-118F-49CD-9A90-019285EB79A8}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3BA90027-911E-4AE7-8B9C-66DDE3494B4E}
+	EndGlobalSection
+EndGlobal

CS/lab10/10_2/Program.cs

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+using System.Collections;
+
+namespace _10_2
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            ArrayList redballs = new ArrayList() { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 };
+            ArrayList blueballs = new ArrayList() { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
+            ArrayList redball = new ArrayList();
+            Random randobj = new Random();
+            int blueball=randobj.Next(1, 16);
+            for (int i = 0; i < 6; i++)
+            {
+                int index = randobj.Next(0, redballs.Count);
+                redball.Add(redballs[index]);
+                redballs.RemoveAt(index);
+            }
+            Console.WriteLine("Red Balls:");
+            foreach (var item in redball)
+            {
+                Console.Write(item + " ");
+            }
+            Console.WriteLine("\nBlue Ball:");
+            Console.WriteLine(blueball);
+        }
+    }
+}