'commit'

2025-08-30 18:35:01 +08:00
commit 1f397eca87
6258 changed files with 1487241 additions and 0 deletions
--- a/C++专题课程/全排列/ShjCppStudy/DFS实现全排列.cpp
+++ b/C++专题课程/全排列/ShjCppStudy/DFS实现全排列.cpp
@@ -0,0 +1,38 @@
+#include<bits/stdc++.h>
+using namespace std;
+int a[10], book[10], n;
+
+//ȫ<><C8AB><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><E3B7A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>dfs
+void dfs(int step)
+{
+	int i;
+	if (step == n + 1)   //<2F><><EFBFBD><EFBFBD>վ<EFBFBD>ڵ<EFBFBD>n+1<><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾǰn<C7B0><6E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD>к<EFBFBD>
+	{
+		for (i = 1; i <= n; i++)   //<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>1-n<><6E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5>˿<EFBFBD><CBBF>Ʊ<EFBFBD><C6B1>ţ<EFBFBD>
+		{
+			cout << a[i];
+		}
+		cout << endl;
+		return;    //<2F><><EFBFBD><EFBFBD>֮ǰ<D6AE><C7B0>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ε<EFBFBD><CEB5><EFBFBD>dfs<66><73><EFBFBD><EFBFBD><EFBFBD>ĵط<C4B5><D8B7><EFBFBD>
+	}
+	//<2F><>վ<EFBFBD>ڵ<EFBFBD>step<65><70><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰӦ<C7B0>÷<EFBFBD>ʲô<CAB2><C3B4>
+	//<2F><><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>1<EFBFBD><31>2<EFBFBD><32>3<EFBFBD><33>4.....<2E>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
+	for (i = 1; i <= n; i++)
+	{
+		//<2F>ж<EFBFBD><D0B6>˿<EFBFBD><CBBF><EFBFBD>i<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+		if (book[i] == 0)
+		{
+			a[step] = i;  //<2F><><EFBFBD><EFBFBD>i<EFBFBD><69><EFBFBD>˿<EFBFBD><CBBF>Ʒŵ<C6B7><C5B5><EFBFBD>step<65><70><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+			book[i] = 1;  //<2F><>book[i]<5D><><EFBFBD><EFBFBD>Ϊ1<CEAA><31><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE>i<EFBFBD><69><EFBFBD>˿<EFBFBD><CBBF>Ʋ<EFBFBD><C6B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+
+			dfs(step + 1);    //<2F><>step<65><70><EFBFBD><EFBFBD><EFBFBD>ӷźú<C5BA><C3BA><EFBFBD><EFBFBD>ߵ<EFBFBD><DFB5><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+			book[i] = 0;     //ͬʱ<CDAC>ջظղų<D5B2><C5B3>Ե<EFBFBD><D4B5>˿<EFBFBD><CBBF><EFBFBD>
+		}
+	}
+	return;
+}
+int main() {
+	n=3;
+	dfs(1);
+	return 0;
+}
--- a/C++专题课程/全排列/ShjCppStudy/STL实现全排列.cpp
+++ b/C++专题课程/全排列/ShjCppStudy/STL实现全排列.cpp
@@ -0,0 +1,20 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+//C++STL<54><4C>ȫ<EFBFBD><C8AB><EFBFBD>к<EFBFBD><D0BA><EFBFBD>next_permutation<6F><6E>ʹ<EFBFBD><CAB9>
+// https://blog.csdn.net/ac_gibson/article/details/45308645
+int main()
+{
+	int a[3] = { 3,1,2 };
+	
+	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	sort(a, a + 3);
+
+	//ȫ<><C8AB><EFBFBD><EFBFBD>
+	do
+	{
+	  cout << a[0] << a[1] << a[2] << endl;
+	} while (next_permutation(a, a + 3));
+
+	return 0;
+}
--- a/C++专题课程/全排列/ShjCppStudy/ShjCppStudy.sln
+++ b/C++专题课程/全排列/ShjCppStudy/ShjCppStudy.sln
@@ -0,0 +1,31 @@
+
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+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
+		{26EB7DDD-AA76-44F3-8780-67869B7CF8DD}.Debug|x64.ActiveCfg = Debug|x64
+		{26EB7DDD-AA76-44F3-8780-67869B7CF8DD}.Debug|x64.Build.0 = Debug|x64
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+		{26EB7DDD-AA76-44F3-8780-67869B7CF8DD}.Debug|x86.Build.0 = Debug|Win32
+		{26EB7DDD-AA76-44F3-8780-67869B7CF8DD}.Release|x64.ActiveCfg = Release|x64
+		{26EB7DDD-AA76-44F3-8780-67869B7CF8DD}.Release|x64.Build.0 = Release|x64
+		{26EB7DDD-AA76-44F3-8780-67869B7CF8DD}.Release|x86.ActiveCfg = Release|Win32
+		{26EB7DDD-AA76-44F3-8780-67869B7CF8DD}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {9C8E3F9E-D637-4138-816C-B43DBD8F12D2}
+	EndGlobalSection
+EndGlobal
--- a/C++专题课程/全排列/ShjCppStudy/ShjCppStudy.vcxproj
+++ b/C++专题课程/全排列/ShjCppStudy/ShjCppStudy.vcxproj
@@ -0,0 +1,158 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
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+      <Configuration>Debug</Configuration>
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+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
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+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
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+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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+    <CharacterSet>Unicode</CharacterSet>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</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.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>
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+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
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--- a/C++专题课程/全排列/ShjCppStudy/ShjCppStudy.vcxproj.filters
+++ b/C++专题课程/全排列/ShjCppStudy/ShjCppStudy.vcxproj.filters
@@ -0,0 +1,22 @@
+<?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;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;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="DFS实现全排列.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
--- a/C++专题课程/全排列/ShjCppStudy/ShjCppStudy.vcxproj.user
+++ b/C++专题课程/全排列/ShjCppStudy/ShjCppStudy.vcxproj.user
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <ShowAllFiles>true</ShowAllFiles>
+  </PropertyGroup>
+</Project>
--- a/C++专题课程/全排列/ShjCppStudy/递归实现版本.cpp
+++ b/C++专题课程/全排列/ShjCppStudy/递归实现版本.cpp
@@ -0,0 +1,39 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+//<2F><>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB>Ԫ<EFBFBD><D4AA>
+void prt(int arr[], int end) {
+	for (int i = 0; i <= end; ++i) {
+		printf("%d", arr[i]);
+	}
+	printf("\n");
+}
+
+//ȫ<><C8AB><EFBFBD><EFBFBD> c++ʵ<><CAB5>
+//https://blog.csdn.net/u013309870/article/details/68941284
+//https://blog.csdn.net/jiaobuchong/article/details/85369970
+
+//https://www.cnblogs.com/kiritozhj/p/10501470.html
+// https://blog.csdn.net/sofia_m/article/details/78865892
+
+void perm(int arr[], int begin, int end) {
+	//<2F>ݹ<EFBFBD><DDB9><EFBFBD><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD>
+	if (begin == end) {
+		prt(arr, end);		
+		return;
+	}
+	//<2F><>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>еݹ<D0B5><DDB9>ĵݹ<C4B5><DDB9>忪<EFBFBD><E5BFAA>
+	for (int i = begin; i <= end; ++i) {
+		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><D4AA>ֵ
+		swap(arr[begin], arr[i]);
+		//<2F>ݹ<EFBFBD><DDB9><EFBFBD>
+		perm(arr, begin + 1, end);
+		//<2F>ָ<EFBFBD>ԭ״
+		swap(arr[begin], arr[i]);
+	}
+}
+int main()
+{
+	int arr[3] = { 3,1,2 };
+	perm(arr, 0, 2);
+}
--- a/C++专题课程/全排列/ShjCppStudy/非递归解法.cpp
+++ b/C++专题课程/全排列/ShjCppStudy/非递归解法.cpp
@@ -0,0 +1,37 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+//<2F><>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB>Ԫ<EFBFBD><D4AA>
+void prt(int arr[], int end) {
+	for (int i = 0; i <= end; ++i) {
+		printf("%d", arr[i]);
+	}
+	printf("\n");
+}
+
+void perm(int arr[], int len) {
+	if (len < 2) return;
+	int i, j, temp;
+	while(1) {
+		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>
+		prt(arr, len - 1);		
+		i = j = len - 1;
+		//<2F><>ǰ<EFBFBD><C7B0><EFBFBD>ҵ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>С<EFBFBD><D0A1>Ԫ<EFBFBD><D4AA>
+		while (i > 0 && arr[i] < arr[i - 1]) --i;
+		temp = i;
+		if (i == 0) break;
+		//<2F>Ⱥ<EFBFBD><C8BA><EFBFBD><EFBFBD>ҵ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>arr[i-1]<5D><><EFBFBD><EFBFBD>Ԫ<EFBFBD><D4AA>
+		while (temp + 1 < len && arr[temp + 1] > arr[i - 1]) ++temp;
+		swap(arr[i - 1], arr[temp]);  //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
+		reverse(arr + i, arr + len);  //<2F><><EFBFBD><EFBFBD>
+	};
+}
+
+int main()
+{
+	int arr[3] = { 3,1,2 };
+	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	sort(arr, arr + 3);
+	//<2F><><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD>
+	perm(arr,3);
+}