2024-3-21

2024-03-21 22:13:41 +08:00
parent 59e0405033
commit 6b458a6a3e
5 changed files with 554 additions and 0 deletions
--- a/LinkListOperation/LinkList.h
+++ b/LinkListOperation/LinkList.h
@@ -0,0 +1,253 @@
+
+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2.1
+template <class DT>
+bool PriorElem_e(LNode<DT>* L, DT e, DT& pre_e)		// 求值为e的元素前驱
+{
+	int k;
+	k = LocateElem_e(L, e);							// 1.获取e的位序k
+	if (k > 1)											// 2.位序k大于1
+	{
+		GetElem_i(L, k - 1, pre_e);						// 第k-1个元素为e的前驱
+		return true;
+	}
+	else											// 3.元素e无前驱
+		return false;								// 返回false
+}
+
+//【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)
+{
+	int i;
+	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 (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)
+{
+	int i;
+	LNode<DT>* s;
+	cout << "逆序输入" << n << "个数据元素：" << endl;
+	for (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;										// 从首元结点开始遍历
+	while (p->next)										// 2.依次输出各结点值
+	{
+		p = p->next; cout << p->data << "\t";
+
+
+	}
+	cout << endl;
+}
--- a/LinkListOperation/LinkListOperation.sln
+++ b/LinkListOperation/LinkListOperation.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34701.34
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "LinkListOperation", "LinkListOperation.vcxproj", "{BAA96EFE-86CD-47EA-8D5B-CAF1CC77BDC6}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BAA96EFE-86CD-47EA-8D5B-CAF1CC77BDC6}.Debug|x64.ActiveCfg = Debug|x64
+		{BAA96EFE-86CD-47EA-8D5B-CAF1CC77BDC6}.Debug|x64.Build.0 = Debug|x64
+		{BAA96EFE-86CD-47EA-8D5B-CAF1CC77BDC6}.Debug|x86.ActiveCfg = Debug|Win32
+		{BAA96EFE-86CD-47EA-8D5B-CAF1CC77BDC6}.Debug|x86.Build.0 = Debug|Win32
+		{BAA96EFE-86CD-47EA-8D5B-CAF1CC77BDC6}.Release|x64.ActiveCfg = Release|x64
+		{BAA96EFE-86CD-47EA-8D5B-CAF1CC77BDC6}.Release|x64.Build.0 = Release|x64
+		{BAA96EFE-86CD-47EA-8D5B-CAF1CC77BDC6}.Release|x86.ActiveCfg = Release|Win32
+		{BAA96EFE-86CD-47EA-8D5B-CAF1CC77BDC6}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {E04AA2D6-0453-4D15-9DFB-2771EC700397}
+	EndGlobalSection
+EndGlobal
--- a/LinkListOperation/LinkListOperation.vcxproj
+++ b/LinkListOperation/LinkListOperation.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>{baa96efe-86cd-47ea-8d5b-caf1cc77bdc6}</ProjectGuid>
+    <RootNamespace>LinkListOperation</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(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)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <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|Win32'">
+    <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)'=='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>
+    <ClInclude Include="LinkList.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="main.cpp" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/LinkListOperation/LinkListOperation.vcxproj.filters
+++ b/LinkListOperation/LinkListOperation.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>
+    <ClInclude Include="LinkList.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="main.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
--- a/LinkListOperation/main.cpp
+++ b/LinkListOperation/main.cpp
@@ -0,0 +1,105 @@
+#include <iostream>
+using namespace std;
+#include "LinkList.h"
+template <class DT>
+bool CreateOrderedList(LNode<DT>*& L, int n)
+{
+	int i;
+	LNode<DT>* p, * s;
+	p = L;
+	cout << "依次输入" << n << "个数据元素：" << endl;
+	for (i = 1; i <= n; i++)
+	{
+		s = new LNode<DT>;
+		if (!s) return false;
+		cin >> s->data;
+		if (s->data >= p->data || p == NULL)
+		{
+			s->next = p->next;
+			p->next = s;
+			p = s;
+		}
+		else i--;
+	}
+	return true;
+}
+template <class DT>
+void InsertElementToOrderedList(LNode<DT>*& L, int n, int length)
+{
+	LNode<DT>* p;
+	p = L->next;
+	for (int i = 1; i <= length; i++)
+	{
+		if ((p->data) > n)
+		{
+			InsertElem_i(L, i, n);
+			break;
+		}
+		else if (p->next == NULL)
+		{
+			InsertElem_i(L, i + 1, n);
+			break;
+		}
+		else p = p->next;
+	}
+}
+template <class DT>
+void MergeTwoOrderedLists(LNode<DT>*& L1, LNode<DT>*& L2)
+{
+	LNode<DT>* p, * q, * s;
+	p = L1->next;
+	q = L1->next->next;
+	s = L2->next;
+	while (!ListEmpty(L2))
+	{
+		if (q == NULL)
+		{
+			p->next = s;
+			return;
+		}
+		else if ((q->data) >= (s->data) && (p->data) <= (s->data))
+		{
+			int n = s->data;
+			LNode<DT>* t;
+			t = s->next;
+			s->next = q;
+			p->next = s;
+			s = t;
+			if (s == NULL) return;
+			p = p->next;
+		}
+		else
+		{
+			p = p->next;
+			q = q->next;
+		}
+	}
+}
+int main()
+{
+	// Task 1: Create an ordered list
+	LNode<int>* L;
+	InitList(L);
+	int length;
+	cout << "请输入有序表的长度: ";
+	cin >> length;
+	CreateOrderedList(L, length);
+	DispList(L);
+	// Task 2: Insert a new element and keep the list ordered
+	int n;
+	cout << "请输入插入有序表的元素: ";
+	cin >> n;
+	InsertElementToOrderedList(L, n, length);
+	DispList(L);
+	// Task 3: Merge two ordered linked list
+	LNode<int>* L2;
+	InitList(L2);
+	int length2;
+	cout << "请输入另一个有序表的长度: ";
+	cin >> length2;
+	CreateOrderedList(L2, length2);
+	DispList(L2);
+	MergeTwoOrderedLists(L, L2);
+	DispList(L);
+	return 0;
+}