1

2025-10-24 17:20:56 +08:00
parent acc0c9e220
commit e0fbc20716
21 changed files with 0 additions and 0 deletions
--- a/1.sln
+++ b/1.sln
@@ -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_1", "C Sharp 1_1.csproj", "{C2EC9237-9D92-490E-8A85-9727DF433991}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C2EC9237-9D92-490E-8A85-9727DF433991}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C2EC9237-9D92-490E-8A85-9727DF433991}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C2EC9237-9D92-490E-8A85-9727DF433991}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C2EC9237-9D92-490E-8A85-9727DF433991}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {CE7B74FA-2C51-4DEE-97D7-7D0DB5455A3C}
+	EndGlobalSection
+EndGlobal
--- a/1_1.csproj
+++ b/1_1.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>C_Sharp_1</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
--- a/1/Program.cs
+++ b/1/Program.cs
@@ -0,0 +1,19 @@
+using System;
+using static System.Math;
+namespace C_Sharp_1
+{
+    public class Program
+    {
+        static void Main(string[] args)
+        {
+            double r, c, s, v;
+            Console.WriteLine("请输入半径：");
+            r = double.Parse(Console.ReadLine());
+            c = 2 * PI * r;
+            s = PI * Pow(r, 2);
+            v = (4 / 3.0) * PI * Pow(r, 3);
+            Console.WriteLine("圆周长为{0}，面积为{1}",c,s);
+            Console.WriteLine("球体积为{0}", v);
+        }
+    }
+}
--- a/1_2.csproj
+++ b/1_2.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>C_Sharp_1_2</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
--- a/1_2.sln
+++ b/1_2.sln
@@ -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_2", "C Sharp 1_2.csproj", "{8832C7BB-57A7-443D-BE9A-0666612F71AA}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{8832C7BB-57A7-443D-BE9A-0666612F71AA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8832C7BB-57A7-443D-BE9A-0666612F71AA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8832C7BB-57A7-443D-BE9A-0666612F71AA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8832C7BB-57A7-443D-BE9A-0666612F71AA}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {30FC1B92-3A5C-409D-8B1F-141D6ED8F503}
+	EndGlobalSection
+EndGlobal
--- a/1_2/Program.cs
+++ b/1_2/Program.cs
@@ -0,0 +1,29 @@
+using System;
+namespace C_Sharp_1_2
+{
+    public class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.Write("请输入三角形的边长a：");
+            double a = double.Parse(Console.ReadLine());
+            Console.Write("请输入三角形的边长b：");
+            double b = double.Parse(Console.ReadLine());
+            Console.Write("请输入三角形的边长c：");
+            double c = double.Parse(Console.ReadLine());
+            if (a + b > c && a + c > b && b + c > a)
+            {
+                double perimeter = a + b + c;
+                double s = (a + b + c) / 2;
+                double area = Math.Sqrt(s * (s - a) * (s - b) * (s - c));
+                Console.WriteLine("三角形的三边长为：a={0}，b={1}，c={2}", a, b, c);
+                Console.WriteLine("三角形的周长为{0}，面积为：{1}",perimeter,area);
+            }
+            else
+            {
+                Console.WriteLine("输入的边长不能构成三角形。");
+            }
+            Console.ReadLine();
+        }
+    }
+}
--- a/1_3.csproj
+++ b/1_3.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>C_Sharp_1_3</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
--- a/1_3.sln
+++ b/1_3.sln
@@ -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_3", "C Sharp 1_3.csproj", "{F4C49F99-3163-4F59-A9C9-DE459FA38244}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F4C49F99-3163-4F59-A9C9-DE459FA38244}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F4C49F99-3163-4F59-A9C9-DE459FA38244}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F4C49F99-3163-4F59-A9C9-DE459FA38244}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F4C49F99-3163-4F59-A9C9-DE459FA38244}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {ED18AC2B-9EF6-468F-ACCB-466A5CF892F1}
+	EndGlobalSection
+EndGlobal
--- a/1_3/Program.cs
+++ b/1_3/Program.cs
@@ -0,0 +1,47 @@
+using System;
+using static System.Math;
+namespace C_Sharp_1_3
+{
+    public class Program
+    {
+        static void Main()
+        {
+            Console.WriteLine("请输入变量x的值：");
+            double x = double.Parse(Console.ReadLine());
+            double y;
+            // 单句单分支方法
+            y = Log(-5 * x) + 6 * Sqrt(Abs(x) + Exp(4)) - Pow((x + 1), 3);
+            if (x>=0)
+            {
+                y = (Pow(x, 2) - 3 * x) / (Pow(x, 2) + 1) + 2 * PI + Sin(x);
+            }
+            Console.WriteLine("方法一，x={0},y={1}",x,y);
+
+            // 两句单分支方法
+            if (x >= 0)
+            {
+                y = (Pow(x, 2) - 3 * x) / (Pow(x, 2) + 1) + 2 * PI + Sin(x);
+            }
+            if(x < 0)
+            {
+                y = Log(-5 * x) + 6 * Sqrt(Abs(x) + Exp(4)) - Pow((x + 1), 3);
+            }
+            Console.WriteLine("方法二，x={0},y={1}", x,y);
+
+            // 双分支方法
+            if (x >= 0)
+            {
+                y = (Pow(x, 2) - 3 * x) / (Pow(x, 2) + 1) + 2 * PI + Sin(x);
+            }
+            else
+            {
+                y = Log(-5 * x) + 6 * Sqrt(Abs(x) + Exp(4)) - Pow((x + 1), 3);
+            }
+            Console.WriteLine("方法三，x={0},y={1}",x,y);
+
+            // 条件运算符方法
+            y = (x >= 0) ? (Pow(x, 2) - 3 * x) / (Pow(x, 2) + 1) + 2 * PI + Sin(x) : Log(-5 * x) + 6 * Sqrt(Abs(x) + Exp(4)) - Pow((x + 1), 3);
+            Console.WriteLine("方法四，x={0},y={1}",x,y);
+        }
+    }
+}
--- a/1_4.csproj
+++ b/1_4.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>C_Sharp_1_4</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
--- a/1_4.sln
+++ b/1_4.sln
@@ -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_4", "C Sharp 1_4.csproj", "{BD4BE51C-6BCA-47CD-813F-0BF6B3F0F932}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BD4BE51C-6BCA-47CD-813F-0BF6B3F0F932}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BD4BE51C-6BCA-47CD-813F-0BF6B3F0F932}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BD4BE51C-6BCA-47CD-813F-0BF6B3F0F932}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BD4BE51C-6BCA-47CD-813F-0BF6B3F0F932}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3117BDA3-B16F-41AF-91D3-39E71330CCD4}
+	EndGlobalSection
+EndGlobal
--- a/1_4/Program.cs
+++ b/1_4/Program.cs
@@ -0,0 +1,39 @@
+using System;
+using static System.Math;
+
+namespace C_Sharp_1_4
+{
+    public class Program
+    {
+        static void Main()
+        {
+            int a, b, c, a1, b1, c1, temp, max, min, medium;
+            Random rNumber = new Random();
+            a = rNumber.Next(101);
+            b = rNumber.Next(101);
+            c = rNumber.Next(101);
+            a1 = a; b1 = b; c1 = c;
+            Console.WriteLine("原始值: a={0}, b={1}, c={2}");
+            // 方法一
+            if (a > b)
+            {
+                temp = a; a = b; b = temp;
+            }
+            if (a > c)
+            {
+                temp = a; a = c; c = temp;
+            }
+            if (b > c)
+            {
+                temp = b; b = c; c = temp;
+            }
+            Console.WriteLine("第一种方法排序: a={0}, b={1}, c={2}", a, b, c);
+            // 方法二
+            a = a1; b = b1; c = c1;
+            max = Max(a, Max(b, c));
+            min = Min(a, Min(b, c));
+            medium = a + b + c - max - min;
+            Console.WriteLine("第二种方法排序: a={0}, b={1}, c={2}", min, medium, max);
+        }
+    }
+}
--- a/1_5.csproj
+++ b/1_5.csproj
@@ -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>
--- a/1_5.sln
+++ b/1_5.sln
@@ -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
--- a/1_5/Program.cs
+++ b/1_5/Program.cs
@@ -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);
+                }
+            }
+        }
+    }
+}
--- a/1_6.csproj
+++ b/1_6.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>C_Sharp_1_6</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
--- a/1_6.sln
+++ b/1_6.sln
@@ -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_6", "C Sharp 1_6.csproj", "{AF3388D7-450E-45A7-937A-E0E25B121BBF}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{AF3388D7-450E-45A7-937A-E0E25B121BBF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AF3388D7-450E-45A7-937A-E0E25B121BBF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AF3388D7-450E-45A7-937A-E0E25B121BBF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AF3388D7-450E-45A7-937A-E0E25B121BBF}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {AAF2189D-E99F-407F-BB12-C4BE6849EE5E}
+	EndGlobalSection
+EndGlobal
--- a/1_6/Program.cs
+++ b/1_6/Program.cs
@@ -0,0 +1,42 @@
+using System.Diagnostics;
+
+namespace C_Sharp_1_6
+{
+    public class Program
+    {
+        static void Main(string[] args)
+        {
+            int i;
+            Console.WriteLine("请输入一个代表星期的数字");
+            i = int.Parse(Console.ReadLine());
+            switch (i)
+                {
+                case 1:
+                        Console.WriteLine("星期一");
+                        break;
+                    case 2:
+                        Console.WriteLine("星期二");
+                        break;
+                    case 3:
+                        Console.WriteLine("星期三");
+                        break;
+                    case 4:
+                        Console.WriteLine("星期四");
+                        break;
+                    case 5:
+                        Console.WriteLine("星期五");
+                        break;
+                    case 6:
+                        Console.WriteLine("星期六");
+                        break;
+                    case 7:
+                        Console.WriteLine("星期日");
+                        break;
+                    default:
+                        Console.WriteLine("输入错误");
+                        break;
+                }
+
+        }
+    }
+}
--- a/1_7.csproj
+++ b/1_7.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>C_Sharp_1_7</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
--- a/1_7.sln
+++ b/1_7.sln
@@ -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_7", "C Sharp 1_7.csproj", "{1D496A2B-B515-47C2-92E5-DA4E71E6241D}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{1D496A2B-B515-47C2-92E5-DA4E71E6241D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1D496A2B-B515-47C2-92E5-DA4E71E6241D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1D496A2B-B515-47C2-92E5-DA4E71E6241D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1D496A2B-B515-47C2-92E5-DA4E71E6241D}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {91D75058-A649-4AB6-831D-FD35895D09FB}
+	EndGlobalSection
+EndGlobal
--- a/1_7/Program.cs
+++ b/1_7/Program.cs
@@ -0,0 +1,24 @@
+using System;
+namespace C_Sharp_1_7
+{
+    public class Program
+    {
+        static void Main(string[] args)
+        {
+            double salary, fees;
+            Console.WriteLine("请输入工资");
+            salary = double.Parse(Console.ReadLine());
+            if (salary > 0 && salary <= 3000)
+                fees = salary * 0.0005;
+            else if (salary > 3000 && salary <= 5000)
+                fees = salary * 0.0010;
+            else if (salary > 5000 && salary <= 10000)
+                fees = salary * 0.0015;
+            else if (salary > 10000)
+                fees = salary * 0.0020;
+            else
+                Console.WriteLine("工资输入有误");
+            Console.WriteLine("应缴纳的费用是：" + fees);
+        }
+    }
+}