idk why these stuffs get stashed for so long and I didn't ever commit them

Chapter2/2-5-ReverseLinkList/2-5-ReverseLinkList.vcxproj

@@ -0,0 +1,138 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>17.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{0b0a9a4c-185a-4345-bd4e-1e48565907e2}</ProjectGuid>
+    <RootNamespace>My25ReverseLinkList</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
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+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
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+    <ConfigurationType>Application</ConfigurationType>
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+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="ReverseLinkList.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="LinkList.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

Chapter2/2-5-ReverseLinkList/2-5-ReverseLinkList.vcxproj.filters

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="源文件">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="头文件">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="资源文件">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="ReverseLinkList.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="LinkList.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>

Chapter2/2-5-ReverseLinkList/LinkList.h

@@ -0,0 +1,237 @@
+
+template <class DT>
+struct LNode										//链表结点
+{
+	DT data;										//数据域，存储数据元素值
+	LNode* next;									//指针域，指向下一个结点
+};
+
+
+//【算法2.14】										创建空单链表
+template <class DT>
+bool InitList(LNode<DT>*& L)
+{
+	L = new LNode<DT>;								// 1.创建头结点
+	if (!L) exit(1);									// 2.创建失败，退出
+	L->next = NULL;									// 3.创建成功
+	return true;									// 返回true
+}
+
+//【算法2.15】										尾插法创建n的元素
+template <class DT>
+bool CreateList_1(LNode<DT>*& L, int n)
+{
+	LNode<DT>* p, * s;
+	p = L;											//1.工作指针初始化，指向尾结点
+	cout << "依次输入" << n << "个数据元素：" << endl;
+	for (int i = 1; i <= n; i++)							// 2.按元素位序正序创建各结点
+	{
+		s = new LNode<DT>;							// 2.1 新建一个结点s
+		if (!s)										// 2.2 创建失败，返回false
+			return false;
+		cin >> s->data;								// 2.3 输入结点值
+		s->next = p->next;							// 2.4 s 链在表尾
+		p->next = s;
+		p = s;										// 2.5 工作指针指向 s
+	}
+	return true;									// 3.创建成功，返回true
+}
+
+//【算法2.16】										头插法创建n个元素
+template <class DT>
+bool CreateList_2(LNode<DT>* (&L), int n)
+{
+	LNode<DT>* s;
+	cout << "逆序输入" << n << "个数据元素：" << endl;
+	for (int i = 1; i <= n; i++)							// 1.按元素位序逆序创建各结点
+	{
+		s = new LNode<DT>;							// 1.1 新建一个结点 s
+		if (!s)										// 1.2 创建失败，返回false
+			return false;
+		cin >> s->data;								// 1.3 输入结点值
+		s->next = L->next;							// 1.4 s 在头结点后
+		L->next = s;
+	}
+	return true;									// 1.创建成功，返回true
+}
+
+//【算法2.17】
+template <class DT>
+void DestroyList(LNode<DT>* (&L))					// 释放链表所占空间
+{
+	LNode<DT>* p;
+	while (L)										// 1. 表非空,从头结点开始，依次释放结点
+	{
+		p = L;										// 1.1 处理表头结点
+		L = L->next;									// 1.2 头指针后移
+		delete p;									// 1.3 释放表头结点所占内存
+	}
+	L = NULL;											// 2.头指针指向空
+}
+
+//【算法2.18】										获取第i个元素
+template<class DT>
+bool GetElem_i(LNode<DT>* L, int i, DT& e)
+{
+	LNode<DT>* p;									// 1.初始化
+	p = L->next;										// 1.1 设置工作指针，从首结点开始，数结点
+	int j = 1;										// 1.2 计数器初始化
+	while (p && j < i)									// 2.定位到第i个元素结点
+	{
+		p = p->next; j++;
+	}
+	if (!p || j > i)									// 3 未找到，返回false
+		return false;
+	else											// 4. 找到
+	{
+		e = p->data;									// 获取第i个元素值
+		return true;								// 返回true
+	}
+}
+
+//【算法2.19】										查找值为e的元素位序
+template<class DT>
+int LocateElem_e(LNode<DT>* L, DT e)
+{
+
+	LNode<DT>* p;									// 1.初始化从首元开始查找
+	p = L->next;										// 1.1从首元开始查找
+	int j = 1;										// 1.2 计数器初值
+	while (p && p->data != e)							// 2.顺序查找
+	{
+		p = p->next;									// 2.1未找到指针后移
+		j++;										// 2.2 计数器增1
+	}
+	if (p == NULL)										// 3. 判断是否找到
+		return 0;									// 3.1末找到，返回0
+	else
+		return j;									// 3.2 找到，返回位序
+}
+
+//【算法2.20】										插入第i个元素
+template<class DT>
+bool InsertElem_i(LNode<DT>* (&L), int i, DT e)
+{
+
+	int j = 0;
+	LNode<DT>* p;									// 1.初始化
+	p = L;											// 工作指针初始化
+	while (p && j < i - 1)								// 2. 定位到插入点前驱
+	{
+		p = p->next;//
+		j++;
+	}
+	if (!p || j > i - 1)									// 3.判断定位是否成功：    
+		return false;								// 3.1 定位失败，不能插入
+	else											// 3.2 定位成功
+	{
+		LNode<DT>* s;
+		s = new LNode<DT>;							// 3.2.1建立新结点
+		s->data = e;									// 3.2.2新结点赋值
+		s->next = p->next;							// 3.2.3结点S链接到p结点之后
+		p->next = s;
+		return true;								// 3.2.4 插入成功，返回true
+	}
+
+}
+
+//【算法2.21】										删除第i个元素
+template<class DT>
+bool DeleElem_i(LNode<DT>* (&L), int i)
+{
+
+	LNode<DT>* p, * q;								//1.初始化：设置工作指针
+	p = L;											//查找从头结点开始
+	int j = 0;										//计数器初始化
+	while (p->next && j < i - 1)							//2.p定位到删除点的前驱
+	{
+		p = p->next;   //
+		j++;
+	}
+	if (!p->next || j > i - 1)								//3.删除位置不合理，不能删除
+		return false;								//返回false
+	else											//4.删除操作
+	{
+		q = p->next;									//4.1暂存删除结点位置
+		p->next = q->next;							//4.2从链表中摘除删除结点
+		delete q;
+		return true;								//4.3删除成功，返回true
+	}
+}
+
+
+//【算法2.22】										修改第i个元素值
+template<class DT>
+bool PutElem_i(LNode<DT>* (&L), int i, DT e)
+{
+	LNode<DT>* p;									// 1.初始化:设置工作指针
+	p = L->next;										// 从首结点开始，数结点
+	int j = 1;										// 计数器初始化
+	while (p && j < i)									// 2.查找第i个元素结点
+	{
+		p = p->next; j++;
+	}
+	if (!p || j > i)										// 3.元素不存在,返回false
+		return false;
+	else											// 4.定位成功
+	{
+		p->data = e;									// 修改元素值
+		return true;								// 返回true
+	}
+}
+
+// 释放链表所占空间
+template<class DT>
+void ClearList(LNode<DT>* (&L))
+{
+
+	LNode<DT>* p;
+	while (L->next)									// 从首元结点开始，依次释放结点
+	{
+		p = L->next;
+		L->next = p->next;
+		delete p;
+	}
+	cout << endl << "表已清空!" << endl;
+}
+
+
+//【算法2.23】										测表长
+template<class DT>
+int ListLength(LNode<DT>* L)
+{													// 1.初始化
+	int len = 0;										// 1.1 结点计数器赋初值0
+	LNode<DT>* p;									// 1.2设置工作指针
+	p = L;											// 指向头结点
+	while (p->next)									// 2.数结点个数。有后继结点，  
+	{
+		len++; p = p->next;							// 结点数增1，指针后移
+	}
+	return len;										// 3.返回表长
+}
+
+//
+template<class DT>
+bool ListEmpty(LNode<DT>* L)						//测表空
+{
+	if (L->next == NULL)
+		return true;								//空表，返回1
+	else
+		return false;								//不空，返回0
+}
+
+
+//【算法2.24】										遍历表
+template <class DT>
+void DispList(LNode<DT>* L)							// 显示表内容
+{
+	LNode<DT>* p;									// 1. 设置工作指针
+	p = L->next;										// 从首元结点开始遍历
+	while (p)										// 2.依次输出各结点值
+	{
+		cout << p->data << "\t";
+		p = p->next;
+
+	}
+	cout << endl;
+}

Chapter2/2-5-ReverseLinkList/ReverseLinkList.cpp

@@ -0,0 +1,82 @@
+#include<iostream>     //cout,cin
+using namespace std;
+#include "LinkList.h"
+
+
+//算法2.25											单链表逆置
+void ReverseLinkList(LNode<int>*& L)
+{
+	LNode<int>* p, * q;								// 1.设置工作指针
+	p = L->next;										// 原链表头结点，作为逆置后表的头结点
+	L->next = NULL;
+	while (p)										// 2. 依次摘除原链表结点，以头插法插入到逆置链表中
+	{
+		q = p;										// 2.1 q取当前结点位置   
+		p = p->next;									// 2.2 p指向下一个待处理结点
+		q->next = L->next;							// 2.3 将q 插入到头结点之后
+		L->next = q;
+	}
+}
+
+
+
+void dispmenu()
+{//显示主菜单
+	cout << endl;
+	cout << "1-创建单链表\n";
+	cout << "2-逆置单链表\n";
+	cout << "3-显示单链表\n";
+	cout << "4-退出\n";
+}
+
+char pause;
+
+//主函数
+int main()
+{
+	int n;
+	//int e;
+	LNode<int>* L;
+	system("cls");									// 执行系统命令cls，清屏
+
+	int choice;
+	do
+	{
+		dispmenu();									// 显示主菜单
+		cout << "Enter choice(1~4):";
+		cin >> choice;
+		switch (choice)
+		{
+		case 1:									// 创建单链表
+			InitList(L);
+			cout << "输入要创建元素个数:";
+			cin >> n;
+			cout << endl;
+			CreateList_1(L, n);
+			cout << "创建的单链表为：";
+			DispList(L);
+			cout << endl;
+			break;
+		case 2:									// 逆置单链表
+			ReverseLinkList(L);
+			cout << "逆置后的单链表为：";
+			DispList(L);
+			cout << endl;
+			break;
+		case 3:								// 显示表
+			DispList(L);
+			cout << endl;
+			cin.get(pause);
+			system("pause");
+			break;
+		case 4:									// 退出
+			DestroyList(L);
+			cout << "结束运行" << endl;
+			break;
+		default:								// 无效选择
+			cout << "Invalid choice\n";
+			break;
+		}
+	} while (choice != 4);
+	return 0;
+}//end of main function

Chapter2/Chapter2.sln

@@ -11,6 +11,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "2-3-SqListApp", "2-3-SqList
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "2-4-PolyAdd", "2-4-PolyAdd\2-4-PolyAdd.vcxproj", "{3BBBC9D3-2AEA-48CC-ABF7-908DA7982A0B}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "2-5-ReverseLinkList", "2-5-ReverseLinkList\2-5-ReverseLinkList.vcxproj", "{0B0A9A4C-185A-4345-BD4E-1E48565907E2}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -51,6 +53,14 @@ Global
 		{3BBBC9D3-2AEA-48CC-ABF7-908DA7982A0B}.Release|x64.Build.0 = Release|x64
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 		{3BBBC9D3-2AEA-48CC-ABF7-908DA7982A0B}.Release|x86.Build.0 = Release|Win32
+		{0B0A9A4C-185A-4345-BD4E-1E48565907E2}.Debug|x64.ActiveCfg = Debug|x64
+		{0B0A9A4C-185A-4345-BD4E-1E48565907E2}.Debug|x64.Build.0 = Debug|x64
+		{0B0A9A4C-185A-4345-BD4E-1E48565907E2}.Debug|x86.ActiveCfg = Debug|Win32
+		{0B0A9A4C-185A-4345-BD4E-1E48565907E2}.Debug|x86.Build.0 = Debug|Win32
+		{0B0A9A4C-185A-4345-BD4E-1E48565907E2}.Release|x64.ActiveCfg = Release|x64
+		{0B0A9A4C-185A-4345-BD4E-1E48565907E2}.Release|x64.Build.0 = Release|x64
+		{0B0A9A4C-185A-4345-BD4E-1E48565907E2}.Release|x86.ActiveCfg = Release|Win32
+		{0B0A9A4C-185A-4345-BD4E-1E48565907E2}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE