diff --git a/LZQ/Program.cs b/LZQ/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..1bc52a60a8ba3f1f529a2cf3a5bc58595e785f6c
--- /dev/null
+++ b/LZQ/Program.cs
@@ -0,0 +1 @@
+Console.WriteLine("Hello, World!");
diff --git a/Xzt/Program.cs b/Xzt/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..3751555cbd32d09340c8cb7b75ce8311c4330054
--- /dev/null
+++ b/Xzt/Program.cs
@@ -0,0 +1,2 @@
+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");
diff --git "a/Zsx/\345\256\236\351\252\2141/1.cs" "b/Zsx/\345\256\236\351\252\2141/1.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..d22097af8ea6dc0d0f7e1f0724aca1f5db62c572
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/1.cs"
@@ -0,0 +1,14 @@
+using System;
+class Program
+//不使用临时变量
+{
+    static void Main()
+    {
+        int n1 = 10, n2 = 20;
+        Console.WriteLine($"n1={n1}, n2={n2}");
+        n1 = n1 + n2; 
+        n2 = n1 - n2; 
+        n1 = n1 - n2; 
+        Console.WriteLine($"n1={n1}, n2={n2}");
+    }
+}
diff --git "a/Zsx/\345\256\236\351\252\2141/10.cs" "b/Zsx/\345\256\236\351\252\2141/10.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..b7d216f908abf791e29d4926ffef658f2e0f457c
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/10.cs"
@@ -0,0 +1,16 @@
+using System;
+
+class StringFormatter
+{
+    static void Main()
+    {
+        string str = "  Hello World!  你好  世界!  ";
+        string result = ProcessString(str);
+        Console.WriteLine($"处理后：'{result}'");
+    }
+
+    static string ProcessString(string str)
+    {
+        return System.Text.RegularExpressions.Regex.Replace(str.Trim(), @"\s+", " ");
+    }
+}
diff --git "a/Zsx/\345\256\236\351\252\2141/11.cs" "b/Zsx/\345\256\236\351\252\2141/11.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..88c957fb2a229ac1cbd5847b93efafb682680da3
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/11.cs"
@@ -0,0 +1,64 @@
+using System;
+
+class RockPaperScissors
+{
+    // 定义手势枚举类型
+    public enum Gesture
+    {
+        石头,
+        剪刀,
+        布
+    }
+
+    static void Main()
+    {
+        Random rand = new Random();
+        int userScore = 0, computerScore = 0;
+        Gesture[] validGestures = (Gesture[])Enum.GetValues(typeof(Gesture)); // 获取所有枚举值
+
+        while (true)
+        {
+            Console.Write("请输入您的选择（石头/剪刀/布）或输入'退出'结束游戏：");
+            string input = Console.ReadLine().Trim();
+
+            if (input.Equals("退出", StringComparison.OrdinalIgnoreCase))
+            {
+                Console.WriteLine($"游戏结束！最终比分：玩家 {userScore} - {computerScore} 电脑");
+                break;
+            }
+
+            // 显式指定枚举类型参数
+            if (!Enum.TryParse<Gesture>(input, true, out Gesture gesture) ||
+                !Enum.IsDefined(typeof(Gesture), gesture))
+            {
+                Console.WriteLine("无效输入，请重新输入！");
+                continue;
+            }
+
+            int computerChoice = rand.Next(validGestures.Length);
+            Gesture computerGesture = validGestures[computerChoice];
+
+            Console.WriteLine($"您出了：{gesture}  电脑出了：{computerGesture}");
+
+            // 使用枚举比较提升可读性
+            if (gesture == computerGesture)
+                Console.WriteLine("平局！");
+            else if (
+                (gesture == Gesture.石头 && computerGesture == Gesture.剪刀) ||
+                (gesture == Gesture.剪刀 && computerGesture == Gesture.布) ||
+                (gesture == Gesture.布 && computerGesture == Gesture.石头)
+            )
+            {
+                Console.WriteLine("你赢了！");
+                userScore++;
+            }
+            else
+            {
+                Console.WriteLine("电脑赢了！");
+                computerScore++;
+            }
+
+            Console.WriteLine($"当前比分：玩家 {userScore} - {computerScore} 电脑\n");
+        }
+    }
+}
diff --git "a/Zsx/\345\256\236\351\252\2141/2.cs" "b/Zsx/\345\256\236\351\252\2141/2.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..742b7c72252afa8cc825c5dc579e2e931f0f62dd
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/2.cs"
@@ -0,0 +1,21 @@
+using System;
+
+class Program
+{
+    static void Main()
+    {
+        int n1 = 10, n2 = 20;
+        Console.WriteLine($"交换前：n1={n1}, n2={n2}");
+
+        // 调用Swap方法，通过ref参数直接交换原始变量
+        Swap(ref n1, ref n2);
+
+        Console.WriteLine($"交换后：n1={n1}, n2={n2}");
+    }
+    static void Swap(ref int a, ref int b)
+    {
+        int temp = a;
+        a = b;
+        b = temp;
+    }
+}
diff --git "a/Zsx/\345\256\236\351\252\2141/3.cs" "b/Zsx/\345\256\236\351\252\2141/3.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..9963990feded23b1586b8fed6ea66267be7e9fba
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/3.cs"
@@ -0,0 +1,38 @@
+using System;
+
+class Calculator
+{
+    static void Main()
+    {
+        Console.WriteLine("请输入第一个整数a：");
+        string inputA = Console.ReadLine();
+        int a;
+        while (!int.TryParse(inputA, out a))
+        {
+      
+            Console.WriteLine("输入的不是有效的整数，请重新输入a：");
+            inputA = Console.ReadLine();
+        }
+
+       
+        Console.WriteLine("请输入第二个整数b：");
+        string inputB = Console.ReadLine();
+        int b;
+        while (!int.TryParse(inputB, out b))
+        {
+            Console.WriteLine("输入的不是有效的整数，请重新输入b：");
+            inputB = Console.ReadLine();
+        }
+        int add, sub, mul, div;
+        Calculate(a, b, out add, out sub, out mul, out div);
+        Console.WriteLine($"结果是：{a}+{b}={add}, {a}-{b}={sub}, {a}*{b}={mul}, {a}/{b}={div}");
+    }
+
+    static void Calculate(int x, int y, out int add, out int sub, out int mul, out int div)
+    {
+        add = x + y;
+        sub = x - y;
+        mul = x * y;
+        div = y != 0 ? x / y : 0;
+    }
+}
diff --git "a/Zsx/\345\256\236\351\252\2141/4.cs" "b/Zsx/\345\256\236\351\252\2141/4.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..7f147d844d577b507f8f97943956edc8d2dc4a1a
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/4.cs"
@@ -0,0 +1,25 @@
+using System;
+
+class MaxValueFinder
+{
+    static void Main()
+    {
+        int[] numbers = { 12, 45, 7, 23, 55, 34 };
+        // 遍历数组并打印每个元素
+        foreach (int number in numbers)
+        {
+            Console.WriteLine(number);
+        }
+        int max = GetMax(numbers);
+        Console.WriteLine($"最大值：{max}");
+    }
+
+    static int GetMax(params int[] nums)
+    {
+        if (nums.Length == 0) throw new ArgumentException("数组不能为空");
+        int max = nums[0];
+        foreach (int num in nums)
+            if (num > max) max = num;
+        return max;
+    }
+}
diff --git "a/Zsx/\345\256\236\351\252\2141/5.cs" "b/Zsx/\345\256\236\351\252\2141/5.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..3b7107aa21172ecf4bbeaba7f5589b14136c0ce0
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/5.cs"
@@ -0,0 +1,25 @@
+using System;
+
+class FibonacciSum
+{
+    static void Main()
+    {
+        int n = 20;
+        int sum = Fibonacci(n);
+        Console.WriteLine($"斐波那契前{n}项和：{sum}");
+    }
+
+    static int Fibonacci(int n)
+    {
+        if (n < 1) return 0;
+        int a = 0, b = 1, sum = 0;
+        for (int i = 1; i <= n; i++)
+        {
+            sum += b;
+            int temp = a;
+            a = b;
+            b = temp + b;
+        }
+        return sum;
+    }
+}
diff --git "a/Zsx/\345\256\236\351\252\2141/6.cs" "b/Zsx/\345\256\236\351\252\2141/6.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..3e60a84b11648bb1ad01c2b3e45f1e4361665339
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/6.cs"
@@ -0,0 +1,30 @@
+using System;
+
+class YanghuiTriangle
+{
+    static void Main()
+    {
+        int rows = 10;
+        PrintYanghuiTriangle(rows);
+    }
+
+    static void PrintYanghuiTriangle(int rows)
+    {
+        int[,] triangle = new int[rows, rows];
+        for (int i = 0; i < rows; i++)
+        {
+            triangle[i, 0] = 1;
+            triangle[i, i] = 1;
+            for (int j = 1; j < i; j++)
+                triangle[i, j] = triangle[i - 1, j - 1] + triangle[i - 1, j];
+        }
+
+        for (int i = 0; i < rows; i++)
+        {
+            Console.Write(new string(' ', rows - i - 1));
+            for (int j = 0; j <= i; j++)
+                Console.Write($"{triangle[i, j]} ");
+            Console.WriteLine();
+        }
+    }
+}
diff --git "a/Zsx/\345\256\236\351\252\2141/7.cs" "b/Zsx/\345\256\236\351\252\2141/7.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..4547522dd087d57ff12248cd52b92c419e67a795
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/7.cs"
@@ -0,0 +1,35 @@
+using System;
+
+class BubbleSort
+{
+    static void Main()
+    {
+        int[] arr = { 20, 16, 78, 61, 12, 99, 57, 34, 8 };
+        foreach (int number in arr)
+        {
+            Console.WriteLine(number);
+        }
+        //打印原始数组
+        Bubble(arr);
+        Console.WriteLine("排序结果：" + string.Join(", ", arr));
+    }
+
+    static void Bubble(int[] arr)
+    {
+        bool swapped;
+        for (int i = 0; i < arr.Length - 1; i++)
+        {
+            swapped = false;
+            for (int j = 0; j < arr.Length - 1 - i; j++)
+                if (arr[j] > arr[j + 1])
+                {
+                    int temp = arr[j];
+                    arr[j] = arr[j + 1];
+                    arr[j + 1] = temp;
+                    swapped = true;
+                }
+            if (!swapped) break;
+        }
+    }
+}
+
diff --git "a/Zsx/\345\256\236\351\252\2141/8.cs" "b/Zsx/\345\256\236\351\252\2141/8.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..b77e9abeb5686843e94a33ce4fbb4dd1bf9dbb9d
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/8.cs"
@@ -0,0 +1,18 @@
+using System;
+
+class CoughCounter
+{
+    static void Main()
+    {
+        string dialogue = "患者：“大夫，我咳嗽得很重。” 大夫：“你多大年记？” 患者：“七十五岁。” 大夫：“二十岁咳嗽吗”患者：“不咳嗽。” 大夫：“四十岁时咳嗽吗？” 患者：“也不咳嗽。” 大夫：“那现在不咳嗽，还要等到什么时咳嗽？”\"。";
+        Console.WriteLine(dialogue);
+        int index = 0, count = 0;
+        while ((index = dialogue.IndexOf("咳嗽", index)) != -1)
+        {
+            count++;
+            Console.WriteLine($"第{count}次出现：位置{index}");
+            index += 2;
+        }
+        Console.WriteLine($"总计出现：{count}次");
+    }
+}
diff --git "a/Zsx/\345\256\236\351\252\2141/9.cs" "b/Zsx/\345\256\236\351\252\2141/9.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..521118aa4f48bb6f49b3450803cf1f5c5303a095
--- /dev/null
+++ "b/Zsx/\345\256\236\351\252\2141/9.cs"
@@ -0,0 +1,11 @@
+using System;
+
+class DateParser
+{
+    static void Main()
+    {
+        string dateStr = "2020年10月1日";
+        string[] parts = dateStr.Split(new[] { '年', '月', '日' }, StringSplitOptions.None);
+        Console.WriteLine($"年：{parts[0]} 月：{parts[1]} 日：{parts[2]}");
+    }
+}
diff --git a/dong/123.txt b/dong/123.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a6ca7a24a5c539a08efb2762aee67f2df728a814
--- /dev/null
+++ b/dong/123.txt
@@ -0,0 +1,10 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main()
+{
+
+
+    return 0;
+}
\ No newline at end of file
diff --git a/lmr/helloworld.txt b/lmr/helloworld.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391