分支4完成了题目，并进行了单元测试

.gitignore

@@ -91,3 +91,6 @@ Alogrithm/Debug/UnitTest.exp
 Alogrithm/Debug/UnitTest.ilk
 Alogrithm/Debug/UnitTest.lib
 Alogrithm/Debug/UnitTest.pdb
+Alogrithm/.vs/Alogrithm/v16/ipch/AutoPCH/b7e343aeb2d15224/4_ISPALINDROME.ipch
+Alogrithm/Alogrithm/Debug/4_IsPalindrome.obj
+Alogrithm/TestResults/6fafde8c-d7b3-4676-8e54-90b128e5f315/林_MI-1 2021-01-15 09_25_22.coverage

Alogrithm/Alogrithm/Alogrithm.vcxproj

@@ -143,17 +143,20 @@
     <ClCompile Include="src\1_ContainsNearbyDuplicate.cpp" />
     <ClCompile Include="src\2_ExcelSheetColumnTitle.cpp" />
     <ClCompile Include="src\3_bool IsUgly.cpp" />
+    <ClCompile Include="src\4_IsPalindrome.cpp" />
     <ClCompile Include="src\main.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="include\1_ContainsNearbyDuplicate.h" />
     <ClInclude Include="include\2_ExcelSheetColumnTitle.h" />
     <ClInclude Include="include\3_bool IsUgly.h" />
+    <ClInclude Include="include\4_IsPalindrome.h" />
   </ItemGroup>
   <ItemGroup>
     <None Include="config\1_ContainsNearbyDuplicate.ini" />
     <None Include="config\2_ExcelSheetColumnTiTle.ini" />
     <None Include="config\3_bool IsUgly.ini" />
+    <None Include="config\4_IsPalindrome.ini" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

Alogrithm/Alogrithm/Alogrithm.vcxproj.filters

@@ -36,6 +36,9 @@
     <ClCompile Include="src\3_bool IsUgly.cpp">
       <Filter>源文件\src</Filter>
     </ClCompile>
+    <ClCompile Include="src\4_IsPalindrome.cpp">
+      <Filter>源文件\src</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="include\2_ExcelSheetColumnTitle.h">
@@ -47,6 +50,9 @@
     <ClInclude Include="include\3_bool IsUgly.h">
       <Filter>头文件\include</Filter>
     </ClInclude>
+    <ClInclude Include="include\4_IsPalindrome.h">
+      <Filter>头文件\include</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="config\3_bool IsUgly.ini">
@@ -58,5 +64,8 @@
     <None Include="config\2_ExcelSheetColumnTiTle.ini">
       <Filter>资源文件\config</Filter>
     </None>
+    <None Include="config\4_IsPalindrome.ini">
+      <Filter>资源文件\config</Filter>
+    </None>
   </ItemGroup>
 </Project>

Alogrithm/Alogrithm/config/4_IsPalindrome.ini

@@ -0,0 +1,18 @@
+[Test1]
+Na=121
+nExpect=1
+[Test2]
+Na=123321
+nExpect=1
+[Test3]
+Na=214748367
+nExpect=0
+[Test4]
+Na=1212
+nExpect=0
+[Test5]
+Na=20
+nExpect=0
+[Test6]
+Na=-214748368
+nExpect=0

Alogrithm/Alogrithm/include/4_IsPalindrome.h

@@ -0,0 +1,3 @@
+#pragma once
+
+bool IsPalindrome(int x);

Alogrithm/Alogrithm/src/4_IsPalindrome.cpp

@@ -0,0 +1,28 @@
+#include "../include/4_IsPalindrome.h"
+
+//思路：对传进来的数先知道是几位数，再循环%10，再/10,取到每位上的数字，再逆序*10相加，得到翻转后的数
+//最后再和原数作对比。
+
+bool IsPalindrome(int x)
+{
+	int x_Count = 1;//定义一个count用来统计传进来的数是几位数
+	long long x_Coln1 = x;//把传进来的数拷贝一份，后面会用到
+	long long x_Turn = 0;//用来保存翻转后的值，考虑int翻转后溢出问题
+	while ((x / 10) != 0) {//通过循环来获得入参是几位数
+		x_Count++;
+		x = x / 10;
+	}
+	x = x_Coln1;//保存原数，后面还要用到
+	for (int i = 0; i < x_Count; i++) {//把逆置后的数存放到x_Turn中（保存的是正数）
+		int temp = x % 10;
+		x_Turn = x_Turn * 10 + temp;
+		x = x / 10;
+	}
+	if (x_Coln1 < 0) {//判断入参是否为负数，是的话加上负号，不是则不用变
+		x_Turn = 0 - x_Turn;
+	}
+	if (x_Turn == x_Coln1) {//判断翻转后的数和原数是否相等
+		return true;
+	}
+	return false;
+}

Alogrithm/Alogrithm/src/main.cpp

@@ -3,6 +3,6 @@
 int main()
 {
 	//ExcelSheetColumnTitle(10);
-	printf("%d\n", IsUgly(6));
+	//printf("%d\n", IsUgly(6));
 	return 0;
-}
+}

Alogrithm/UnitTest/UnitTest.cpp

@@ -5,6 +5,7 @@ using namespace Microsoft::VisualStudio::CppUnitTestFramework;
 #define FileName_1  "../Alogrithm/config/1_ContainsNearbyDuplicate.ini"
 #define FileName_2  "../Alogrithm/config/2_ExcelSheetColumnTiTle.ini"
 #define FileName_3  "../Alogrithm/config/3_bool IsUgly.ini"
+#define FileName_4  "../Alogrithm/config/4_IsPalindrome.ini"
 
 namespace UnitTest
 {
@@ -56,5 +57,20 @@ namespace UnitTest
 					Assert::AreEqual(nReal, CstrToBool(nExpect));
 				}
 			}
-	};	
+	};
+	TEST_CLASS(UnitTest_4)
+	{
+		TEST_METHOD(TestMethode1)
+		{
+			char Section_Name[100][10] = { 0 };
+			int  Section_Count = CalcCount(100, Section_Name, FileName_4);
+			CString Na, nExpect;
+			for (int i = 0; i < Section_Count; i++) {
+				GetPrivateProfileString(Section_Name[i], "Na", " ", Na.GetBuffer(20), 20, FileName_4);
+				GetPrivateProfileString(Section_Name[i], "nExpect", " ", nExpect.GetBuffer(20), 20, FileName_4);
+				bool nReal = IsPalindrome(_ttoi(Na));
+				Assert::AreEqual(nReal, CstrToBool(nExpect));
+			}
+		}
+	};
 }

Alogrithm/UnitTest/UnitTest.vcxproj

@@ -103,7 +103,7 @@
       <SubSystem>Windows</SubSystem>
       <AdditionalLibraryDirectories>$(VCInstallDir)UnitTest\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
-      <AdditionalDependencies>../Alogrithm/Debug/1_ContainsNearbyDuplicate.obj;../Alogrithm/Debug/2_ExcelSheetColumnTitle.obj;../Alogrithm/Debug/3_bool IsUgly.obj;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>../Alogrithm/Debug/1_ContainsNearbyDuplicate.obj;../Alogrithm/Debug/2_ExcelSheetColumnTitle.obj;../Alogrithm/Debug/3_bool IsUgly.obj;../Alogrithm/Debug/4_IsPalindrome.obj;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">

Alogrithm/UnitTest/pch.h

@@ -16,6 +16,8 @@
 #include"../Alogrithm/include/1_ContainsNearbyDuplicate.h"
 #include"../Alogrithm/include/2_ExcelSheetColumnTitle.h"
 #include"../Alogrithm/include/3_bool IsUgly.h"
+#include"../Alogrithm/include/4_IsPalindrome.h"
+
 
 
 int CalcCount(int n, char(*str)[10],const char *FileName);