Synchronization of old projects

Part1
2025-09-30 16:46:01 +08:00
parent 116b65164b
commit 4e1548abe2
167 changed files with 8668 additions and 43 deletions
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
@@ -0,0 +1,80 @@
+using System;
+namespace Lesson
+{
+    class Program
+    {
+        #region 练习题一 课上有不写了
+        #endregion
+
+
+
+        #region 练习题二
+        static int JieCheng(int max)
+        {
+            if (max == 0)
+            {
+                return 1;
+            }
+            else 
+            { 
+                return max * JieCheng(max - 1); 
+            }
+                
+        }
+
+        #endregion
+
+
+
+        #region 练习题三
+        static int JieChengHe(int num)
+        {
+            if (num == 1)
+            {
+                return JieCheng(1);
+            }
+            return JieCheng(num) + JieChengHe(num-1);
+        }
+        #endregion
+
+
+
+        #region 练习题四
+        static void Bamboo(float length, int day)
+        {
+            Console.WriteLine("长度为" + length);
+            length /= 2;
+            day--;
+            if (day < 0)
+            {
+                Console.WriteLine("长度为" + length);
+                return;
+            }
+            Bamboo(length, day);
+        }
+        #endregion
+
+
+        #region 练习题五
+        static bool Fun(int num)
+        {
+            Console.WriteLine(num);
+            return num == 200 || Fun(num + 1);
+        }
+        #endregion
+
+
+
+
+        static void Main(string[] args)
+        {
+            Console.WriteLine(JieCheng(5));
+
+            Console.WriteLine(JieChengHe(10));
+
+            Bamboo(100,10);
+
+            Fun(0);
+        }
+    }
+}