diff --git a/test1-original-code/1.1/1.1.csproj b/test1-original-code/1.1/1.1.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..bd12445c5cff10da46fe8a3a7d234b57afb12321
--- /dev/null
+++ b/test1-original-code/1.1/1.1.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._1
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.1/program.cs b/test1-original-code/1.1/program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..299486c62e0c0329ecc80f4f82409e87d98935c5
--- /dev/null
+++ b/test1-original-code/1.1/program.cs
@@ -0,0 +1,24 @@
+using System;//引入命名空间
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _1.cs//定义命名空间
+{
+ class Program//定义类
+ {
+ static void Main(string[] args)//主方法,程序入口
+ {
+ int n1 = 10;
+ int n2 = 20;
+ int transnum;//用来转换的变量
+
+ transnum = n1;
+ n1 = n2;
+ n2 = transnum;
+
+ Console.WriteLine($"n1 = {n1}, n2 = {n2}");
+ }
+ }
+}
diff --git a/test1-original-code/1.10/1.10.csproj b/test1-original-code/1.10/1.10.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..e1f967aefd87690e5074b76a352381fa1cdf5a11
--- /dev/null
+++ b/test1-original-code/1.10/1.10.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._10
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.10/Program.cs b/test1-original-code/1.10/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..aa55ff5ee22d6be3837702694ee2c19c425aa058
--- /dev/null
+++ b/test1-original-code/1.10/Program.cs
@@ -0,0 +1,13 @@
+using System;
+class Program
+{
+ static void Main()
+ {
+ string input = " Hello World ! 你好 世界 ! ";
+
+ // 先去掉首尾空格 -> 按空格分割(去掉多余空格)-> 用单个空格拼接
+ string result = string.Join(" ", input.Trim().Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries));
+
+ Console.WriteLine($"处理后字符串: \"{result}\"");
+ }
+}
diff --git a/test1-original-code/1.11/1.11.csproj b/test1-original-code/1.11/1.11.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..c3b78523658ab8e864b7587d1bdccffef73c6ce4
--- /dev/null
+++ b/test1-original-code/1.11/1.11.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._11
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.11/Program.cs b/test1-original-code/1.11/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..7b5b3153a8cf6cdd80b8cea6ee4fd25d8538a0aa
--- /dev/null
+++ b/test1-original-code/1.11/Program.cs
@@ -0,0 +1,122 @@
+using System;
+
+namespace RockPaperScissors
+{
+ // 枚举定义游戏选项
+ public enum Choice
+ {
+ Scissors = 1, // 剪刀
+ Rock = 2, // 石头
+ Paper = 3 // 布
+ }
+
+ // 玩家类
+ class Player
+ {
+ public string Name { get; set; }
+
+ public Player(string name)
+ {
+ Name = name;
+ }
+
+ // 玩家选择出拳
+ public Choice MakeChoice()
+ {
+ while (true)
+ {
+ Console.Write("请选择:1. 剪刀 2. 石头 3. 布 :");
+ string input = Console.ReadLine();
+
+ if (int.TryParse(input, out int choice) && choice >= 1 && choice <= 3)
+ {
+ return (Choice)choice;
+ }
+ Console.WriteLine("输入无效,请输入 1-3 之间的数字!");
+ }
+ }
+ }
+
+ // 电脑类
+ class Computer
+ {
+ private static readonly Random random = new Random();
+
+ // 电脑随机出拳
+ public Choice MakeChoice()
+ {
+ return (Choice)random.Next(1, 4);
+ }
+ }
+
+ // 游戏逻辑类
+ class Game
+ {
+ private Player player;
+ private Computer computer;
+
+ public Game(string playerName)
+ {
+ player = new Player(playerName);
+ computer = new Computer();
+ }
+
+ // 判断胜负
+ private string DetermineWinner(Choice playerChoice, Choice computerChoice)
+ {
+ if (playerChoice == computerChoice)
+ return "平局!";
+
+ if ((playerChoice == Choice.Scissors && computerChoice == Choice.Paper) ||
+ (playerChoice == Choice.Rock && computerChoice == Choice.Scissors) ||
+ (playerChoice == Choice.Paper && computerChoice == Choice.Rock))
+ {
+ return $"{player.Name} 获胜!";
+ }
+
+ return "电脑获胜! ";
+ }
+
+ // 游戏开始
+ public void Start()
+ {
+ Console.WriteLine("\n欢迎来到猜拳小游戏!\n");
+
+ while (true)
+ {
+ // 玩家出拳
+ Choice playerChoice = player.MakeChoice();
+ Console.WriteLine($"{player.Name} 选择了:{playerChoice}");
+
+ // 电脑出拳
+ Choice computerChoice = computer.MakeChoice();
+ Console.WriteLine($"电脑选择了:{computerChoice}");
+
+ // 计算结果
+ Console.WriteLine(DetermineWinner(playerChoice, computerChoice));
+
+ // 询问是否继续
+ Console.Write("\n是否继续游戏?(Y/N): ");
+ string continueGame = Console.ReadLine().Trim().ToUpper();
+
+ if (continueGame != "Y")
+ {
+ Console.WriteLine("游戏结束,谢谢参与!");
+ break;
+ }
+ }
+ }
+ }
+
+ // 主程序
+ class Program
+ {
+ static void Main()
+ {
+ Console.Write("请输入您的名字: ");
+ string playerName = Console.ReadLine();
+
+ Game game = new Game(playerName);
+ game.Start();
+ }
+ }
\ No newline at end of file
diff --git a/test1-original-code/1.2/1.2.csproj b/test1-original-code/1.2/1.2.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..89a52e495ab2e332856ceafa789ee4ad93d7ff31
--- /dev/null
+++ b/test1-original-code/1.2/1.2.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._2
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.2/Program.cs b/test1-original-code/1.2/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..1e1ca8f24bdf86a4012e347636cde68c3e643331
--- /dev/null
+++ b/test1-original-code/1.2/Program.cs
@@ -0,0 +1,36 @@
+using System;//引入命名空间
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _1.cs//定义命名空间
+{
+ class Program//定义类
+ {
+ static void Swap(ref int n1, ref int n2)
+ {/*静态方法与实例方法的区别
+ 实例方法:属于类的实例(对象),必须通过类的实例来调用。
+ 静态方法:属于类本身,而不是类的实例,可以直接通过类名调用。
+ Main方法是静态的,而Swap方法是实例方法。
+ 静态方法(如Main)不能直接调用实例方法(如Swap),
+ 因为实例方法依赖于类的实例(对象),而静态方法不依赖于任何实例。*/
+ n1 = 10;
+ n2 = 20;
+ int exchange_num = 0;
+ exchange_num = n1;
+ n1 = n2;
+ n2 = exchange_num;
+ }
+
+
+ static void Main(string[] args)//主方法,程序入口
+ {
+ int n1 = 0;
+ int n2 = 0;//使用ref时必须要先赋值
+ Swap(ref n1, ref n2); // 调用方法
+ Console.WriteLine($"n1: {n1}, n2: {n2}"); // 输出
+ }
+ }
+}
+
diff --git a/test1-original-code/1.3/1.3.csproj b/test1-original-code/1.3/1.3.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..660fa23a36a542d9b8550c3095e14cd8c1bd920e
--- /dev/null
+++ b/test1-original-code/1.3/1.3.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._3
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.3/Program.cs b/test1-original-code/1.3/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..f847c3a4bece38729db58b9e225a56235d63e1ca
--- /dev/null
+++ b/test1-original-code/1.3/Program.cs
@@ -0,0 +1,35 @@
+using System;//引入命名空间
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _1.cs//定义命名空间
+{
+ class Program//定义类
+ {
+ static void Swap(out int n1, out int n2)
+ {/*静态方法与实例方法的区别
+ 实例方法:属于类的实例(对象),必须通过类的实例来调用。
+ 静态方法:属于类本身,而不是类的实例,可以直接通过类名调用。
+ Main方法是静态的,而Swap方法是实例方法。
+ 静态方法(如Main)不能直接调用实例方法(如Swap),
+ 因为实例方法依赖于类的实例(对象),而静态方法不依赖于任何实例。*/
+ n1 = 10;
+ n2 = 20;
+ int exchange_num = 0;
+ exchange_num = n1;
+ n1 = n2;
+ n2 = exchange_num;
+ }
+
+
+ static void Main(string[] args)//主方法,程序入口
+ {
+ int n1;
+ int n2;
+ Swap(out n1, out n2); // 调用方法
+ Console.WriteLine($"n1: {n1}, n2: {n2}"); // 输出
+ }
+ }
+}
\ No newline at end of file
diff --git a/test1-original-code/1.4/1.4.csproj b/test1-original-code/1.4/1.4.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..1b6f4c019ffc930eb3d9fd1948c045c4ca871139
--- /dev/null
+++ b/test1-original-code/1.4/1.4.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._4
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.4/Program.cs b/test1-original-code/1.4/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..a952824af34509e493a89b045af7ab447eecbcbf
--- /dev/null
+++ b/test1-original-code/1.4/Program.cs
@@ -0,0 +1,22 @@
+using System;
+class Program
+{
+ static int MaxValue(params int[] numbers)//最大值函数
+ {
+ int max = numbers[0];
+ foreach (int num in numbers)
+ {
+ if (num > max)
+ {
+ max = num;
+ }
+ }
+ return max;
+ }
+ static void Main()
+ {
+ Console.WriteLine(MaxValue(3, 5, 11, 27, 15, 1));
+ Console.WriteLine(MaxValue(10, 40, 1000));
+ Console.WriteLine(MaxValue(5, 3, 4, 2, 0, 1, 9));
+ }
+}
diff --git a/test1-original-code/1.5/1.5.csproj b/test1-original-code/1.5/1.5.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..1a0783178cf81d713f85cae918bdf046098fd83f
--- /dev/null
+++ b/test1-original-code/1.5/1.5.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._5
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.5/Program.cs b/test1-original-code/1.5/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..85c0d859292743f53ec3eece386a98e80caf9202
--- /dev/null
+++ b/test1-original-code/1.5/Program.cs
@@ -0,0 +1,24 @@
+using System;
+class Program
+{
+ static int FibonacciSum(int n)//斐波那契数列
+ {
+ int a = 0, b = 1, sum = 0;
+
+ for (int i = 1; i <= n; i++)
+ {
+ sum += a;
+ int trans = a + b;
+ a = b;
+ b = trans;//用来保存前两个数的数值便于求下一个数
+ }
+
+ return sum;
+ }
+ static void Main()
+ {
+ int n = 20;
+ long sum = FibonacciSum(n);
+ Console.WriteLine($"斐波那契数列前 {n} 项的和为: {sum}");
+ }
+}
diff --git a/test1-original-code/1.6/1.6.csproj b/test1-original-code/1.6/1.6.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..4c1bf4bde7c618ae6192bb2ac979674fa00e113e
--- /dev/null
+++ b/test1-original-code/1.6/1.6.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._6
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.6/Program.cs b/test1-original-code/1.6/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..0d1f328a206d8eef9db690c3407eacfaa5023021
--- /dev/null
+++ b/test1-original-code/1.6/Program.cs
@@ -0,0 +1,32 @@
+using System;
+class Program
+{
+ static void Main()
+ {
+ int rows = 10; // 需要打印的行数
+ int[][] triangle = new int[rows][]; // 定义二维数组
+
+ // 计算杨辉三角形
+ for (int i = 0; i < rows; i++)
+ {
+ triangle[i] = new int[i + 1]; // 初始化当前行的数组
+ triangle[i][0] = triangle[i][i] = 1; // 每行的第一个和最后一个元素是1
+
+ for (int j = 1; j < i; j++)
+ {
+ triangle[i][j] = triangle[i - 1][j - 1] + triangle[i - 1][j]; // 中间元素 = 上一行相邻两个数之和
+ }
+ }
+
+ // 打印杨辉三角形
+ for (int i = 0; i < rows; i++)
+ {
+ Console.Write(new string(' ', (rows - i) * 2)); // 控制对齐(空格)
+ for (int j = 0; j < triangle[i].Length; j++)
+ {
+ Console.Write(triangle[i][j] + " "); // 打印当前元素
+ }
+ Console.WriteLine(); // 换行
+ }
+ }
+}
\ No newline at end of file
diff --git a/test1-original-code/1.7/1.7.csproj b/test1-original-code/1.7/1.7.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..5781c455f392f588e3053072afc6c517b8c8b295
--- /dev/null
+++ b/test1-original-code/1.7/1.7.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._7
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.7/Program.cs b/test1-original-code/1.7/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..654c048eb42f27afe8bdcd73dc4c5fef766c5376
--- /dev/null
+++ b/test1-original-code/1.7/Program.cs
@@ -0,0 +1,55 @@
+using System;
+class Program
+{
+ // 冒泡排序算法
+ static void BubbleSort(int[] arr)
+ {
+ int n = arr.Length;
+ bool swapped; // 标记是否发生交换
+
+ for (int i = 0; i < n - 1; i++)
+ {
+ swapped = false;
+
+ for (int j = 0; j < n - 1 - i; j++)
+ {
+ if (arr[j] > arr[j + 1]) // 相邻元素比较
+ {
+ Swap(ref arr[j], ref arr[j + 1]);
+ swapped = true; // 发生交换
+ }
+ }
+
+ // 如果本轮没有发生交换,则说明数组已经有序,提前结束
+ if (!swapped) break;
+ }
+ }
+ // 交换两个元素
+ static void Swap(ref int a, ref int b)
+ {
+ int temp = a;
+ a = b;
+ b = temp;
+ }
+ // 打印数组
+ static void PrintArray(int[] arr)
+ {
+ foreach (var item in arr)
+ {
+ Console.Write(item + " ");
+ }
+ Console.WriteLine();
+ }
+ static void Main()
+ {
+ int[] arr = { 20, 16, 78, 61, 12, 99, 57, 34, 8 };
+
+ Console.WriteLine("排序前数组:");
+ PrintArray(arr);
+
+ BubbleSort(arr); // 调用冒泡排序
+
+ Console.WriteLine("\n排序后数组:");
+ PrintArray(arr);
+ }
+}
diff --git a/test1-original-code/1.8/1.8.csproj b/test1-original-code/1.8/1.8.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..d139dfb445dfff2a75f77fe895372823c0d31162
--- /dev/null
+++ b/test1-original-code/1.8/1.8.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._8
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.8/Program.cs b/test1-original-code/1.8/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..7f457f8b9b348a1a0430ef369f8ab2c8beeae83b
--- /dev/null
+++ b/test1-original-code/1.8/Program.cs
@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+
+class Program
+{
+ static void Main()
+ {
+ string text = "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?”";
+
+ string target = "咳嗽";
+ List indices = FindOccurrences(text, target);
+
+ Console.WriteLine($"“{target}” 出现次数: {indices.Count}");
+ Console.WriteLine("出现索引位置:");
+ foreach (var index in indices)
+ {
+ Console.WriteLine(index);
+ }
+ }
+
+ // 查找字符串 target 在 text 中的所有索引
+ static List FindOccurrences(string text, string target)
+ {
+ List indices = new List();
+ int index = text.IndexOf(target); // 第一次出现的位置
+
+ while (index != -1)
+ {
+ indices.Add(index);
+ index = text.IndexOf(target, index + target.Length); // 从上次索引位置之后继续查找
+ }
+
+ return indices;
+ }
+}
+
diff --git a/test1-original-code/1.9/1.9.csproj b/test1-original-code/1.9/1.9.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..0a0a091153e32287629fe106d2f0461f309b2d99
--- /dev/null
+++ b/test1-original-code/1.9/1.9.csproj
@@ -0,0 +1,11 @@
+
+
+
+ Exe
+ net8.0
+ _1._9
+ enable
+ enable
+
+
+
diff --git a/test1-original-code/1.9/Program.cs b/test1-original-code/1.9/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..a12dd4358bd95a81d311802a540356a224d956d0
--- /dev/null
+++ b/test1-original-code/1.9/Program.cs
@@ -0,0 +1,22 @@
+using System;
+class Program
+{
+ static void Main()
+ {
+ string dateStr = "2020年10月1日";
+
+ // 使用 '年'、'月'、'日' 分割字符串
+ string[] parts = dateStr.Split(new char[] { '年', '月', '日' }, StringSplitOptions.RemoveEmptyEntries);
+
+ if (parts.Length == 3)
+ {
+ Console.WriteLine($"年: {parts[0]}");
+ Console.WriteLine($"月: {parts[1]}");
+ Console.WriteLine($"日: {parts[2]}");
+ }
+ else
+ {
+ Console.WriteLine("日期格式不正确!");
+ }
+ }
+}
diff --git a/test1-zy/1.cs b/test1-zy/1.cs
new file mode 100644
index 0000000000000000000000000000000000000000..bb6925ae406943191084a2d4b72f9e0aeca81c04
--- /dev/null
+++ b/test1-zy/1.cs
@@ -0,0 +1,17 @@
+using System;
+
+class Program
+{
+ static void Main(string[] args)
+ {
+ int n1 = 10, n2 = 20;
+
+ // 交换
+ n1 = n1 + n2; // n1 = 30
+ n2 = n1 - n2; // n2 = 10
+ n1 = n1 - n2; // n1 = 20
+
+ Console.WriteLine("n1 = " + n1);
+ Console.WriteLine("n2 = " + n2);
+ }
+}
\ No newline at end of file
diff --git a/test1-zy/10.cs b/test1-zy/10.cs
new file mode 100644
index 0000000000000000000000000000000000000000..eb1df371bf93d632c5876fc6eb44f7fdb097d0d9
--- /dev/null
+++ b/test1-zy/10.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Text;
+
+class Program
+{
+ static void Main(string[] args)
+ {
+ string text = " Hello World ! 你好 世界 ! ";
+ // 去掉两端空格
+ text = text.Trim();
+ // 替换连续空格为单个空格
+ StringBuilder sb = new StringBuilder();
+ bool isSpace = false;
+
+ foreach (char c in text)
+ {
+ if (c == ' ')
+ {
+ if (!isSpace)
+ {
+ sb.Append(c);
+ isSpace = true;
+ }
+ }
+ else
+ {
+ sb.Append(c);
+ isSpace = false;
+ }
+ }
+ Console.WriteLine($"处理后的字符串: \"{sb.ToString()}\"");
+ }
+}
\ No newline at end of file
diff --git a/test1-zy/2.cs b/test1-zy/2.cs
new file mode 100644
index 0000000000000000000000000000000000000000..1e3f143029350e6b8b3e39058cbec45e7182a170
--- /dev/null
+++ b/test1-zy/2.cs
@@ -0,0 +1,26 @@
+using System;
+
+class Program
+{
+ static void Main(string[] args)
+ {
+ int n1 = 10, n2 = 20;
+
+ Console.WriteLine("交换前:");
+ Console.WriteLine("n1 = " + n1); // n1 = 10
+ Console.WriteLine("n2 = " + n2); // n2 = 20
+
+ // 调用交换
+ Swap(ref n1, ref n2);
+
+ Console.WriteLine("\n交换后:");
+ Console.WriteLine("n1 = " + n1); // n1 = 20
+ Console.WriteLine("n2 = " + n2); // n2 = 10
+ }
+ static void Swap(ref int a, ref int b)
+ {
+ int temp = a;
+ a = b;
+ b = temp;
+ }
+}
\ No newline at end of file
diff --git a/test1-zy/3.cs b/test1-zy/3.cs
new file mode 100644
index 0000000000000000000000000000000000000000..5463da68e29c7e7c41dbc166ac1ce012dc2ee68f
--- /dev/null
+++ b/test1-zy/3.cs
@@ -0,0 +1,41 @@
+using System;
+
+class Program
+{
+ static void Main(string[] args)
+ {
+ int num1 = 20;
+ int num2 = 5;
+
+ //计算结果
+ int addResult, subResult, mulResult;
+ double divResult;
+
+ Calculate(num1, num2, out addResult, out subResult, out mulResult, out divResult);
+
+ Console.WriteLine($"加法结果: {addResult}");
+ Console.WriteLine($"减法结果: {subResult}");
+ Console.WriteLine($"乘法结果: {mulResult}");
+ Console.WriteLine($"除法结果: {divResult}");
+ }
+
+ static void Calculate(int a, int b, out int add, out int sub, out int mul, out double div)
+ {
+ // 加
+ add = a + b;
+ // 减
+ sub = a - b;
+ // 乘
+ mul = a * b;
+ // 除
+ if (b != 0)
+ {
+ div = (double)a / b; //确保结果是浮点数
+ }
+ else
+ {
+ div = 0; //除数为 0,返回 0
+ Console.WriteLine("警告:除数不能为 0!");
+ }
+ }
+}
\ No newline at end of file
diff --git a/test1-zy/4.cs b/test1-zy/4.cs
new file mode 100644
index 0000000000000000000000000000000000000000..fd07eb7c7669b0f6c7aa7ac4f5d541cf7e855b6f
--- /dev/null
+++ b/test1-zy/4.cs
@@ -0,0 +1,37 @@
+using System;
+
+class Program
+{
+ static void Main(string[] args)
+ {
+ int max1 = FindMax(10, 20, 30, 5, 15); // 多参数
+ int max2 = FindMax(100); // 单参数
+ int max3 = FindMax();
+
+ Console.WriteLine("最大值1: " + max1);
+ Console.WriteLine("最大值2: " + max2);
+ Console.WriteLine("最大值3: " + max3);
+ }
+
+ // 计算最大值
+ static int FindMax(params int[] numbers)
+ {
+ if (numbers == null || numbers.Length == 0)
+ {
+ Console.WriteLine("警告:未提供任何参数,返回默认值 0。");
+ return 0;
+ }
+
+ int max = numbers[0]; // 假设第一个数为最大值
+
+ foreach (int num in numbers)
+ {
+ if (num > max)
+ {
+ max = num;
+ }
+ }
+
+ return max;
+ }
+}
\ No newline at end of file
diff --git a/test1-zy/5.cs b/test1-zy/5.cs
new file mode 100644
index 0000000000000000000000000000000000000000..7980981bf83b1e9f022275aa17b592fc9385372b
--- /dev/null
+++ b/test1-zy/5.cs
@@ -0,0 +1,26 @@
+using System;
+
+class Program
+{
+ static void Main(string[] args)
+ {
+ int n = 20;
+ int sum = FibonacciSum(n);
+
+ Console.WriteLine($"斐波那契数列前 {n} 项的和为: {sum}");
+ }
+
+ static int FibonacciSum(int n)
+ {
+ int a = 0, b = 1, sum = 0;
+
+ for (int i = 0; i < n; i++)
+ {
+ sum += a;
+ int temp = a;
+ a = b;
+ b = temp + b;
+ }
+ return sum;
+ }
+}
\ No newline at end of file
diff --git a/test1-zy/6.cs b/test1-zy/6.cs
new file mode 100644
index 0000000000000000000000000000000000000000..85270ad9df7fd9aa8b80f331c6e4c11e409d0c23
--- /dev/null
+++ b/test1-zy/6.cs
@@ -0,0 +1,30 @@
+using System;
+
+class Program
+{
+ static void Main(string[] args)
+ {
+ int rows = 10;
+ PrintPascalTriangle(rows);
+ }
+
+ static void PrintPascalTriangle(int rows)
+ {
+ for (int i = 0; i < rows; i++)
+ {
+ int number = 1;
+ for (int j = 0; j < rows - i; j++)
+ {
+ Console.Write(" "); // 打印空格对齐
+ }
+
+ for (int j = 0; j <= i; j++)
+ {
+ Console.Write($"{number,4}");
+ number = number * (i - j) / (j + 1);
+ }
+
+ Console.WriteLine();
+ }
+ }
+}
\ No newline at end of file
diff --git a/test1-zy/7.cs b/test1-zy/7.cs
new file mode 100644
index 0000000000000000000000000000000000000000..c42aa3ad76d50fabe9eee29f2d405d366dd449b9
--- /dev/null
+++ b/test1-zy/7.cs
@@ -0,0 +1,35 @@
+using System;
+
+class Program
+{
+ static void Main(string[] args)
+ {
+ int[] arr = { 20, 16, 78, 61, 12, 99, 57, 34, 8 };
+
+ BubbleSort(arr);
+
+ Console.WriteLine("排序后的数组:");
+ foreach (int num in arr)
+ {
+ Console.Write(num + " ");
+ }
+ }
+
+ static void BubbleSort(int[] arr)
+ {
+ int n = arr.Length;
+ for (int i = 0; i < n - 1; i++)
+ {
+ for (int j = 0; j < n - 1 - i; j++)
+ {
+ if (arr[j] > arr[j + 1])
+ {
+ // 交换
+ int temp = arr[j];
+ arr[j] = arr[j + 1];
+ arr[j + 1] = temp;
+ }
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/test1-zy/8.cs b/test1-zy/8.cs
new file mode 100644
index 0000000000000000000000000000000000000000..b39c94fb5be23104bdb25d8563232cad15e5866f
--- /dev/null
+++ b/test1-zy/8.cs
@@ -0,0 +1,24 @@
+using System;
+
+class Program
+{
+ static void Main(string[] args)
+ {
+ string text = "患者:“大夫,我咳嗽得很重。” 大夫:“你多大年记?” 患者:“七十五岁。” 大夫:“二十岁咳嗽吗”患者:“不咳嗽。” 大夫:“四十岁时咳嗽吗?” 患者:“也不咳嗽。” 大夫:“那现在不咳嗽,还要等到什么时咳嗽?”";
+
+ string keyword = "咳嗽";
+ int count = 0;
+
+ Console.WriteLine($"“{keyword}”出现的索引位置:");
+ int index = text.IndexOf(keyword);
+
+ while (index != -1)
+ {
+ count++;
+ Console.WriteLine(index);
+ index = text.IndexOf(keyword, index + keyword.Length);
+ }
+
+ Console.WriteLine($"“{keyword}”总共出现了 {count} 次。");
+ }
+}
\ No newline at end of file
diff --git a/test1-zy/9.cs b/test1-zy/9.cs
new file mode 100644
index 0000000000000000000000000000000000000000..4437f852ae1571654e6ab53431edd6c3c7ad6f9a
--- /dev/null
+++ b/test1-zy/9.cs
@@ -0,0 +1,17 @@
+using System;
+
+class Program
+{
+ static void Main(string[] args)
+ {
+ string dateStr = "2020年10月1日";
+
+ int year = int.Parse(dateStr.Substring(0, 4));
+ int month = int.Parse(dateStr.Substring(5, 2));
+ int day = int.Parse(dateStr.Substring(8, 1));
+
+ Console.WriteLine($"年: {year}");
+ Console.WriteLine($"月: {month}");
+ Console.WriteLine($"日: {day}");
+ }
+}
\ No newline at end of file
diff --git a/test1-zy/test1.sln b/test1-zy/test1.sln
new file mode 100644
index 0000000000000000000000000000000000000000..257813b300918a0a895552dda5785bf6c016faa0
--- /dev/null
+++ b/test1-zy/test1.sln
@@ -0,0 +1,79 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.10.34916.146
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "1", "1\1.csproj", "{46117978-FA30-4FE0-983B-F79BAE62DF77}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "2", "2\2.csproj", "{F0076FF9-F759-47E9-A35B-B23A0C05AF81}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "3", "3\3.csproj", "{8AE7EA22-7EDB-4701-B42D-E1E3B4A64226}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "4", "4\4.csproj", "{C03979F5-6F9B-4366-9024-7AC06B58065C}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "5", "5\5.csproj", "{E0AFE13D-DBC6-4B7C-B201-DF2D5B48ED82}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "6", "6\6.csproj", "{BDE6B3FD-C3FA-4066-AADF-801ABA9A7F85}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "7", "7\7.csproj", "{54A789D8-6F8A-492F-B647-E07C9531ECBF}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "8", "8\8.csproj", "{8EECFF69-700D-4FA3-A1FF-10CE7A8669B2}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "9", "9\9.csproj", "{6520D456-B28A-4CCA-859A-8183F3F190FE}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "10", "10\10.csproj", "{F5079637-EF6D-44CA-8DF8-C454A7DE082A}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {46117978-FA30-4FE0-983B-F79BAE62DF77}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {46117978-FA30-4FE0-983B-F79BAE62DF77}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {46117978-FA30-4FE0-983B-F79BAE62DF77}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {46117978-FA30-4FE0-983B-F79BAE62DF77}.Release|Any CPU.Build.0 = Release|Any CPU
+ {F0076FF9-F759-47E9-A35B-B23A0C05AF81}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {F0076FF9-F759-47E9-A35B-B23A0C05AF81}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {F0076FF9-F759-47E9-A35B-B23A0C05AF81}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {F0076FF9-F759-47E9-A35B-B23A0C05AF81}.Release|Any CPU.Build.0 = Release|Any CPU
+ {8AE7EA22-7EDB-4701-B42D-E1E3B4A64226}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {8AE7EA22-7EDB-4701-B42D-E1E3B4A64226}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {8AE7EA22-7EDB-4701-B42D-E1E3B4A64226}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {8AE7EA22-7EDB-4701-B42D-E1E3B4A64226}.Release|Any CPU.Build.0 = Release|Any CPU
+ {C03979F5-6F9B-4366-9024-7AC06B58065C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {C03979F5-6F9B-4366-9024-7AC06B58065C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {C03979F5-6F9B-4366-9024-7AC06B58065C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {C03979F5-6F9B-4366-9024-7AC06B58065C}.Release|Any CPU.Build.0 = Release|Any CPU
+ {E0AFE13D-DBC6-4B7C-B201-DF2D5B48ED82}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {E0AFE13D-DBC6-4B7C-B201-DF2D5B48ED82}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {E0AFE13D-DBC6-4B7C-B201-DF2D5B48ED82}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {E0AFE13D-DBC6-4B7C-B201-DF2D5B48ED82}.Release|Any CPU.Build.0 = Release|Any CPU
+ {BDE6B3FD-C3FA-4066-AADF-801ABA9A7F85}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {BDE6B3FD-C3FA-4066-AADF-801ABA9A7F85}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {BDE6B3FD-C3FA-4066-AADF-801ABA9A7F85}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {BDE6B3FD-C3FA-4066-AADF-801ABA9A7F85}.Release|Any CPU.Build.0 = Release|Any CPU
+ {54A789D8-6F8A-492F-B647-E07C9531ECBF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {54A789D8-6F8A-492F-B647-E07C9531ECBF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {54A789D8-6F8A-492F-B647-E07C9531ECBF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {54A789D8-6F8A-492F-B647-E07C9531ECBF}.Release|Any CPU.Build.0 = Release|Any CPU
+ {8EECFF69-700D-4FA3-A1FF-10CE7A8669B2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {8EECFF69-700D-4FA3-A1FF-10CE7A8669B2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {8EECFF69-700D-4FA3-A1FF-10CE7A8669B2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {8EECFF69-700D-4FA3-A1FF-10CE7A8669B2}.Release|Any CPU.Build.0 = Release|Any CPU
+ {6520D456-B28A-4CCA-859A-8183F3F190FE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {6520D456-B28A-4CCA-859A-8183F3F190FE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {6520D456-B28A-4CCA-859A-8183F3F190FE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {6520D456-B28A-4CCA-859A-8183F3F190FE}.Release|Any CPU.Build.0 = Release|Any CPU
+ {F5079637-EF6D-44CA-8DF8-C454A7DE082A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {F5079637-EF6D-44CA-8DF8-C454A7DE082A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {F5079637-EF6D-44CA-8DF8-C454A7DE082A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {F5079637-EF6D-44CA-8DF8-C454A7DE082A}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {29793C4F-B847-40DF-A602-52BA67C3EBC9}
+ EndGlobalSection
+EndGlobal
diff --git "a/\345\256\236\351\252\2141-\345\255\231\351\207\221\347\216\211/.keep" "b/\345\256\236\351\252\2141-\345\255\231\351\207\221\347\216\211/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/\345\256\236\351\252\214\344\270\200/1.cs" "b/\345\256\236\351\252\214\344\270\200/1.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..3aacd48f3d1a735b883451587076eb5c668518f9
--- /dev/null
+++ "b/\345\256\236\351\252\214\344\270\200/1.cs"
@@ -0,0 +1,16 @@
+/*
+using System;
+class Program
+{
+ static void Main()
+ {
+ int n1 = 10, n2 = 20;
+ int n3 = 0;
+ n3 = n1;
+ n1 = n2;
+ n2 = n3;
+ Console.WriteLine($"n1为{n1},n2为{n2}");
+ Console.ReadLine();
+ }
+}
+*/
diff --git "a/\345\256\236\351\252\214\344\270\200/10.cs" "b/\345\256\236\351\252\214\344\270\200/10.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..93ac92dd2e7a2ec5688bc197a071310cd6d47ae9
--- /dev/null
+++ "b/\345\256\236\351\252\214\344\270\200/10.cs"
@@ -0,0 +1,38 @@
+using System;
+using System.Text;
+class Program
+{
+ static void Main()
+ {
+ string input = " Hello World ! 你好 世界 ! ";
+ // 去掉两端空格
+ string trimmed = input.Trim();
+ // 将连续空格替换为一个空格
+ string result = ReplaceMultipleSpaces(trimmed);
+ Console.WriteLine($"原始字符串: \"{input}\"");
+ Console.WriteLine($"处理后的字符串: \"{result}\"");
+ Console.ReadLine();
+ }
+ static string ReplaceMultipleSpaces(string input)
+ {
+ StringBuilder sb = new StringBuilder();
+ bool isSpace = false;
+ foreach (char c in input)
+ {
+ if (c == ' ')
+ {
+ if (!isSpace)
+ {
+ sb.Append(c);
+ isSpace = true;
+ }
+ }
+ else
+ {
+ sb.Append(c);
+ isSpace = false;
+ }
+ }
+ return sb.ToString();
+ }
+}
\ No newline at end of file
diff --git "a/\345\256\236\351\252\214\344\270\200/2.cs" "b/\345\256\236\351\252\214\344\270\200/2.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..2a22d0f7d254c296fe8fd64b483c4275b3604134
--- /dev/null
+++ "b/\345\256\236\351\252\214\344\270\200/2.cs"
@@ -0,0 +1,19 @@
+/*
+using System;
+class Program
+{
+ static void Main()
+ {
+ int n1 = 10, n2 = 20;
+ Swap(ref n1, ref n2);
+ Console.WriteLine($"n1为{n1},n2为{n2}");
+ Console.ReadLine();
+ }
+ static void Swap(ref int a, ref int b)
+ {
+ int temp = a;
+ a = b;
+ b = temp;
+ }
+}
+*/
\ No newline at end of file
diff --git "a/\345\256\236\351\252\214\344\270\200/3.cs" "b/\345\256\236\351\252\214\344\270\200/3.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..b9b55f74abf9666a0683da41b467eecee60898fa
--- /dev/null
+++ "b/\345\256\236\351\252\214\344\270\200/3.cs"
@@ -0,0 +1,33 @@
+/*
+using System;
+class Program
+{
+ static void Main()
+ {
+ int num1 = 20, num2 = 5;
+ int addResult, subResult, mulResult;
+ double divResult;
+ Calculate(num1, num2, out addResult, out subResult, out mulResult, out divResult);
+ Console.WriteLine($"加法结果: {addResult}");
+ Console.WriteLine($"减法结果: {subResult}");
+ Console.WriteLine($"乘法结果: {mulResult}");
+ Console.WriteLine($"除法结果: {divResult}");
+ Console.ReadLine();
+ }
+ static void Calculate(int a, int b, out int add, out int sub, out int mul, out double div)
+ {
+ add = a + b; // 加法
+ sub = a - b; // 减法
+ mul = a * b; // 乘法
+ if (b != 0)
+ {
+ div = (double)a / b;
+ }
+ else
+ {
+ div = 0;
+ Console.WriteLine("警告:除数不能为 0,除法结果设置为 0。");
+ }
+ }
+}
+*/
\ No newline at end of file
diff --git "a/\345\256\236\351\252\214\344\270\200/4.cs" "b/\345\256\236\351\252\214\344\270\200/4.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..ec3bd2d6aaf7dc9c0fad40544603986509cd0df6
--- /dev/null
+++ "b/\345\256\236\351\252\214\344\270\200/4.cs"
@@ -0,0 +1,29 @@
+/*
+using System;
+class Program
+{
+ static void Main()
+ {
+ Console.WriteLine("最大值是:" + MaxValue(3, 5, 1, 8, 2));
+ Console.WriteLine("最大值是:" + MaxValue(10, -2, 7));
+ Console.WriteLine("最大值是:" + MaxValue(42));
+ Console.ReadLine();
+ }
+ static int MaxValue(params int[] numbers)
+ {
+ if (numbers == null || numbers.Length == 0)
+ {
+ throw new ArgumentException("至少需要提供一个数");
+ }
+ int max = numbers[0];
+ foreach (int num in numbers)
+ {
+ if (num > max)
+ {
+ max = num; // 更新最大值
+ }
+ }
+ return max;
+ }
+}
+*/
\ No newline at end of file
diff --git "a/\345\256\236\351\252\214\344\270\200/5.cs" "b/\345\256\236\351\252\214\344\270\200/5.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..c51b8e6d7d8e3d08079a801b9c1d2d8a9de01bc8
--- /dev/null
+++ "b/\345\256\236\351\252\214\344\270\200/5.cs"
@@ -0,0 +1,30 @@
+/*
+using System;
+class Program
+{
+ static void Main()
+ {
+ int n = 20;
+ long sum = CalculateFibonacciSum(n);
+ Console.WriteLine($"斐波那契数列前 {n} 项的和为: {sum}");
+ Console.ReadLine();
+ }
+ static long CalculateFibonacciSum(int n)
+ {
+ if (n <= 0)
+ {
+ return 0; // 如果 n 小于等于 0,返回 0
+ }
+ long a = 1, b = 1;
+ long sum = a + b;
+ for (int i = 3; i <= n; i++)
+ {
+ long next = a + b; // 计算下一项
+ sum += next;
+ a = b;
+ b = next;
+ }
+ return sum;
+ }
+}
+*/
\ No newline at end of file
diff --git "a/\345\256\236\351\252\214\344\270\200/6.cs" "b/\345\256\236\351\252\214\344\270\200/6.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..c0f165b054979f2e28a2e9e54091d20c1607bf04
--- /dev/null
+++ "b/\345\256\236\351\252\214\344\270\200/6.cs"
@@ -0,0 +1,30 @@
+/*
+using System;
+class Program
+{
+ static void Main()
+ {
+ int rows = 10;
+ PrintPascalTriangle(rows);
+ Console.ReadLine();
+ }
+ static void PrintPascalTriangle(int rows)
+ {
+ for (int i = 0; i < rows; i++)
+ {
+ // 打印每行前面的空格,使其居中
+ for (int j = 0; j < rows - i - 1; j++)
+ {
+ Console.Write(" ");
+ }
+ int number = 1;
+ for (int j = 0; j <= i; j++)
+ {
+ Console.Write($"{number,4}");
+ number = number * (i - j) / (j + 1);
+ }
+ Console.WriteLine();
+ }
+ }
+}
+*/
\ No newline at end of file
diff --git "a/\345\256\236\351\252\214\344\270\200/7.cs" "b/\345\256\236\351\252\214\344\270\200/7.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..750aa261331b407c592d821af525c24c78362caf
--- /dev/null
+++ "b/\345\256\236\351\252\214\344\270\200/7.cs"
@@ -0,0 +1,41 @@
+/*
+using System;
+
+class Program
+{
+ static void Main()
+ {
+ int[] array = { 20, 16, 78, 61, 12, 99, 57, 34, 8 };
+ Console.WriteLine("排序前的数组:");
+ PrintArray(array);
+ BubbleSort(array);
+ Console.WriteLine("\n排序后的数组:");
+ PrintArray(array);
+ Console.ReadLine();
+ }
+ static void BubbleSort(int[] arr)
+ {
+ int n = arr.Length;
+ for (int i = 0; i < n - 1; i++)
+ {
+ for (int j = 0; j < n - 1 - i; j++)
+ {
+ if (arr[j] > arr[j + 1])
+ {
+ int temp = arr[j];
+ arr[j] = arr[j + 1];
+ arr[j + 1] = temp;
+ }
+ }
+ }
+ }
+ static void PrintArray(int[] arr)
+ {
+ foreach (int num in arr)
+ {
+ Console.Write(num + " ");
+ }
+ Console.WriteLine();
+ }
+}
+*/
\ No newline at end of file
diff --git "a/\345\256\236\351\252\214\344\270\200/8.cs" "b/\345\256\236\351\252\214\344\270\200/8.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..fae0e982ac4a8e5cfd6d7151e67e2066d86306ba
--- /dev/null
+++ "b/\345\256\236\351\252\214\344\270\200/8.cs"
@@ -0,0 +1,28 @@
+/*
+using System;
+using System.Collections.Generic;
+class Program
+{
+ static void Main()
+ {
+ string text = "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?”";
+ string keyword = "咳嗽"; // 要查找的关键词
+ List indices = new List(); // 存储索引位置
+ int count = 0; // 统计出现次数
+ int index = text.IndexOf(keyword);
+ while (index != -1)
+ {
+ indices.Add(index); // 记录索引位置
+ count++;
+ index = text.IndexOf(keyword, index + keyword.Length);
+ }
+ Console.WriteLine($"“{keyword}”出现的次数: {count}");
+ Console.WriteLine("每次出现的索引位置:");
+ foreach (int i in indices)
+ {
+ Console.WriteLine(i);
+ }
+ Console.ReadLine();
+ }
+}
+*/
\ No newline at end of file
diff --git "a/\345\256\236\351\252\214\344\270\200/9.cs" "b/\345\256\236\351\252\214\344\270\200/9.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..a1a659981bebef41f2442a4fb7b21102c9fb89d5
--- /dev/null
+++ "b/\345\256\236\351\252\214\344\270\200/9.cs"
@@ -0,0 +1,37 @@
+/*
+using System;
+class Program
+{
+ static void Main()
+ {
+ string dateStr = "2020年10月1日";
+ int year = ExtractYear(dateStr);
+ int month = ExtractMonth(dateStr);
+ int day = ExtractDay(dateStr);
+ Console.WriteLine($"年: {year}");
+ Console.WriteLine($"月: {month}");
+ Console.WriteLine($"日: {day}");
+ Console.ReadLine();
+ }
+ static int ExtractYear(string dateStr)
+ {
+ int yearEndIndex = dateStr.IndexOf('年');
+ string yearStr = dateStr.Substring(0, yearEndIndex); // 截取年份部分
+ return int.Parse(yearStr);
+ }
+ static int ExtractMonth(string dateStr)
+ {
+ int monthStartIndex = dateStr.IndexOf('年') + 1;
+ int monthEndIndex = dateStr.IndexOf('月');
+ string monthStr = dateStr.Substring(monthStartIndex, monthEndIndex - monthStartIndex); // 截取月份部分
+ return int.Parse(monthStr);
+ }
+ static int ExtractDay(string dateStr)
+ {
+ int dayStartIndex = dateStr.IndexOf('月') + 1;
+ int dayEndIndex = dateStr.IndexOf('日');
+ string dayStr = dateStr.Substring(dayStartIndex, dayEndIndex - dayStartIndex); // 截取日期部分
+ return int.Parse(dayStr);
+ }
+}
+*/
\ No newline at end of file