Initial commit

2025-10-24 17:19:46 +08:00
commit acc0c9e220
155 changed files with 77369 additions and 0 deletions
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>C_Sharp_1_5</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36616.10 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "C Sharp 1_5", "C Sharp 1_5.csproj", "{F61264D6-1D87-49B4-95DE-DE6F15D87093}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F61264D6-1D87-49B4-95DE-DE6F15D87093}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F61264D6-1D87-49B4-95DE-DE6F15D87093}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F61264D6-1D87-49B4-95DE-DE6F15D87093}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F61264D6-1D87-49B4-95DE-DE6F15D87093}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {5C19FCB6-F862-406A-828F-804B5E63FE05}
+	EndGlobalSection
+EndGlobal
@@ -0,0 +1,44 @@
+using System;
+using static System.Math;
+
+namespace C_Sharp_1_5
+{
+    public class Program
+    {
+        static void Main()
+        {
+            double a, b, c, delta, real, imag;
+            Console.Write("请输入系数a");
+            a = double.Parse(Console.ReadLine());
+            Console.Write("请输入系数b");
+            b = double.Parse(Console.ReadLine());
+            Console.Write("请输入系数c");
+            c = double.Parse(Console.ReadLine());
+            if (a == 0 && b == 0)
+            {
+                Console.WriteLine("该方程无解");
+            }
+            else
+            {
+                delta = b * b - 4 * a * c;
+                if (delta > 0)
+                {
+                    double x1 = (-b + Sqrt(delta)) / (2 * a);
+                    double x2 = (-b - Sqrt(delta)) / (2 * a);
+                    Console.WriteLine("该方程有两个不等实根，分别为：x1={0},x2={1}", x1, x2);
+                }
+                else if (delta == 0)
+                {
+                    double x = -b / (2 * a);
+                    Console.WriteLine("该方程有两个相等实根，均为：x={0}", x);
+                }
+                else
+                {
+                    real = -b / (2 * a);
+                    imag = Sqrt(-delta) / (2 * a);
+                    Console.WriteLine("该方程有两个共轭复根，分别为：x1={0}+{1}i,x2={0}-{1}i", real, imag);
+                }
+            }
+        }
+    }
+}