From f256f5b5d551c146bb7e9900cfb3e3a7d15ef690 Mon Sep 17 00:00:00 2001
From: linyongji <lyj18391569527@163.com>
Date: Tue, 19 Jan 2021 18:11:03 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=86=E6=94=AF13=E6=8F=90=E4=BA=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .gitignore                                    |   7 ++++
 Alogrithm/.vs/Alogrithm/v16/.suo              | Bin 92672 -> 98304 bytes
 Alogrithm/Alogrithm/Alogrithm.vcxproj         |   5 ++-
 Alogrithm/Alogrithm/Alogrithm.vcxproj.filters |   9 +++++
 Alogrithm/Alogrithm/config/13_MyAtoi.ini      |  33 +++++++++++++++++
 Alogrithm/Alogrithm/include/13_MyAtoi.h       |   3 ++
 Alogrithm/Alogrithm/src/13_MyAtoi.cpp         |  35 ++++++++++++++++++
 Alogrithm/Alogrithm/src/main.cpp              |   6 ++-
 Alogrithm/UnitTest/UnitTest.cpp               |  19 +++++++++-
 Alogrithm/UnitTest/UnitTest.vcxproj           |   2 +-
 Alogrithm/UnitTest/pch.h                      |   1 +
 11 files changed, 115 insertions(+), 5 deletions(-)
 create mode 100644 Alogrithm/Alogrithm/config/13_MyAtoi.ini
 create mode 100644 Alogrithm/Alogrithm/include/13_MyAtoi.h
 create mode 100644 Alogrithm/Alogrithm/src/13_MyAtoi.cpp

diff --git a/.gitignore b/.gitignore
index bb5db3f..2a59ede 100644
--- a/.gitignore
+++ b/.gitignore
@@ -134,3 +134,10 @@ Alogrithm/.vs/Alogrithm/v16/ipch/AutoPCH/95ff4e0647685c25/11_CANWINNIM.ipch
 Alogrithm/.vs/Alogrithm/v16/ipch/AutoPCH/ec9d75c6b219f9bb/12_ISVALID.ipch
 Alogrithm/Alogrithm/Debug/12_IsValid.obj
 Alogrithm/UnitTest/Debug/UnitTest.tlog/link.16692.delete.1.tlog
+Alogrithm/.vs/Alogrithm/v16/ipch/AutoPCH/63abd4c80f702728/13_MYATOI.ipch
+Alogrithm/.vs/Alogrithm/v16/ipch/AutoPCH/d298e620e7fd15b3/13_MYATOI.ipch
+Alogrithm/TestResults/4eb333a8-8da4-4120-8568-f8294d8da0c1/林_MI-1 2021-01-19 18_05_51.coverage
+Alogrithm/TestResults/782f01b2-9860-4fcb-a2b1-8792206abbd6/林_MI-1 2021-01-19 18_03_16.coverage
+Alogrithm/Alogrithm/Debug/13_MyAtoi.obj
+Alogrithm/TestResults/dfc574b2-675e-41d0-bedb-4a260e23f2d6/林_MI-1 2021-01-19 18_06_47.coverage
+Alogrithm/TestResults/e0c4d06b-b5b3-4e26-97b5-dcbc2f1cb01b/林_MI-1 2021-01-19 13_46_44.coverage
diff --git a/Alogrithm/.vs/Alogrithm/v16/.suo b/Alogrithm/.vs/Alogrithm/v16/.suo
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diff --git a/Alogrithm/Alogrithm/Alogrithm.vcxproj b/Alogrithm/Alogrithm/Alogrithm.vcxproj
index 835e13c..11cc8c9 100644
--- a/Alogrithm/Alogrithm/Alogrithm.vcxproj
+++ b/Alogrithm/Alogrithm/Alogrithm.vcxproj
@@ -85,7 +85,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
-      <SDLCheck>true</SDLCheck>
+      <SDLCheck>false</SDLCheck>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>false</ConformanceMode>
     </ClCompile>
@@ -143,6 +143,7 @@
     <ClCompile Include="src\10_BinaryTreePaths.cpp" />
     <ClCompile Include="src\11_CanWinNim.cpp" />
     <ClCompile Include="src\12_IsValid.cpp" />
+    <ClCompile Include="src\13_MyAtoi.cpp" />
     <ClCompile Include="src\1_ContainsNearbyDuplicate.cpp" />
     <ClCompile Include="src\2_ExcelSheetColumnTitle.cpp" />
     <ClCompile Include="src\3_bool IsUgly.cpp" />
@@ -158,6 +159,7 @@
     <ClInclude Include="include\10_BinaryTreePaths.h" />
     <ClInclude Include="include\11_CanWinNim.h" />
     <ClInclude Include="include\12_IsValid.h" />
+    <ClInclude Include="include\13_MyAtoi.h" />
     <ClInclude Include="include\1_ContainsNearbyDuplicate.h" />
     <ClInclude Include="include\2_ExcelSheetColumnTitle.h" />
     <ClInclude Include="include\3_bool IsUgly.h" />
@@ -172,6 +174,7 @@
     <None Include="config\10_BinaryTreePaths.ini" />
     <None Include="config\11_CanWinNim.ini" />
     <None Include="config\12_IsValid.ini" />
+    <None Include="config\13_MyAtoi.ini" />
     <None Include="config\1_ContainsNearbyDuplicate.ini" />
     <None Include="config\2_ExcelSheetColumnTiTle.ini" />
     <None Include="config\3_bool IsUgly.ini" />
diff --git a/Alogrithm/Alogrithm/Alogrithm.vcxproj.filters b/Alogrithm/Alogrithm/Alogrithm.vcxproj.filters
index 872f03a..e3bc106 100644
--- a/Alogrithm/Alogrithm/Alogrithm.vcxproj.filters
+++ b/Alogrithm/Alogrithm/Alogrithm.vcxproj.filters
@@ -63,6 +63,9 @@
     <ClCompile Include="src\12_IsValid.cpp">
       <Filter>源文件\src</Filter>
     </ClCompile>
+    <ClCompile Include="src\13_MyAtoi.cpp">
+      <Filter>源文件\src</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="include\2_ExcelSheetColumnTitle.h">
@@ -101,6 +104,9 @@
     <ClInclude Include="include\12_IsValid.h">
       <Filter>头文件\include</Filter>
     </ClInclude>
+    <ClInclude Include="include\13_MyAtoi.h">
+      <Filter>头文件\include</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="config\3_bool IsUgly.ini">
@@ -139,5 +145,8 @@
     <None Include="config\12_IsValid.ini">
       <Filter>资源文件\config</Filter>
     </None>
+    <None Include="config\13_MyAtoi.ini">
+      <Filter>资源文件\config</Filter>
+    </None>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Alogrithm/Alogrithm/config/13_MyAtoi.ini b/Alogrithm/Alogrithm/config/13_MyAtoi.ini
new file mode 100644
index 0000000..a0f27c6
--- /dev/null
+++ b/Alogrithm/Alogrithm/config/13_MyAtoi.ini
@@ -0,0 +1,33 @@
+[Test1]
+input=42
+output=42
+[Test2]
+input=   -42
+output=-42
+[Test3]
+input=4193 with words
+output=4193
+[Test4]
+input=words and 987
+output=0
+[Test5]
+input=-91283472332
+output=-2147483648
+[Test6]
+input=2147483647
+output=2147483647
+[Test7]
+input=2147483648
+output=2147483647
+[Test8]
+input=-2147483648
+output=-21474836478
+[Test9]
+input=-2147483649
+output=-21474836478
+[Test10]
+input=+1231
+output=1231
+[Test11]
+input=      1231
+output=1231
\ No newline at end of file
diff --git a/Alogrithm/Alogrithm/include/13_MyAtoi.h b/Alogrithm/Alogrithm/include/13_MyAtoi.h
new file mode 100644
index 0000000..d852926
--- /dev/null
+++ b/Alogrithm/Alogrithm/include/13_MyAtoi.h
@@ -0,0 +1,3 @@
+#pragma once
+#include <limits.h>
+int MyAtoi(char* s);
diff --git a/Alogrithm/Alogrithm/src/13_MyAtoi.cpp b/Alogrithm/Alogrithm/src/13_MyAtoi.cpp
new file mode 100644
index 0000000..f80f3b7
--- /dev/null
+++ b/Alogrithm/Alogrithm/src/13_MyAtoi.cpp
@@ -0,0 +1,35 @@
+#include "../include/13_MyAtoi.h"
+
+int MyAtoi(char* s) {
+	int Index = 0;//���������ַ���s����Ϊ�±�ʹ��
+	int flag = 1;//���ű�־λ��>0��������ţ�<0���������
+	int ret = 0;//�����������Ľ������ֹ���
+	while (s[Index] == ' ') {//�������õĿ�ͷ�ո��ַ�
+		Index++;
+	}
+	if (s[Index] == '-') {//��ȡ���ţ�flag�ı�
+		flag = -1;
+		Index++;
+	}
+	else if (s[Index] == '+') {//��ȡ���ţ�flag�ı�
+		flag = 1;
+		Index++;
+	}
+	else if (s[Index] < '0' || s[Index] > '9') {//������ַ����еĵ�һ���ǿո��ַ�����һ����Ч�����ַ���
+		return 0;					//�ַ���Ϊ�ջ��ַ����������հ��ַ�ʱ������ĺ�������Ҫ����ת��,ֱ�ӷ���0
+	}
+	while ('0' <= s[Index] && s[Index] <= '9') {//����0~9���ַ���ֱ��������Ϊֹ
+		ret = ret * 10 + int(s[Index] - '0');//�ѱ������Ľ��ת������
+		if (ret*10/10 != ret && flag > 0) {//��ret�ȳ�10���ٳ�10���ж��Ƿ���ԭ�����
+			return INT_MAX;					//��������˵����������ж��Dz��������������INT_MAX
+		}
+		else if (ret * 10 / 10 != ret && flag < 0) {//����Ǹ����������INT_MIN
+			return INT_MIN;
+		}
+		Index++;
+	}
+	if (flag < 0) {//���while�����û�з���ֵ��˵��û�������������Ӧ��ֵ
+		return 0 - ret;
+	}
+	return ret;
+}
\ No newline at end of file
diff --git a/Alogrithm/Alogrithm/src/main.cpp b/Alogrithm/Alogrithm/src/main.cpp
index 89788bc..82f9ada 100644
--- a/Alogrithm/Alogrithm/src/main.cpp
+++ b/Alogrithm/Alogrithm/src/main.cpp
@@ -1,7 +1,9 @@
 #include<stdio.h>
-
+#include "../include/13_MyAtoi.h"
 int main()
 {
-
+	char s[] = "2147483648";
+	printf("%d\n", MyAtoi(s));
+	//printf("%d\n", 2147483647+ 2147483649);
 	return 0;
 }
diff --git a/Alogrithm/UnitTest/UnitTest.cpp b/Alogrithm/UnitTest/UnitTest.cpp
index e89e3d4..34b3868 100644
--- a/Alogrithm/UnitTest/UnitTest.cpp
+++ b/Alogrithm/UnitTest/UnitTest.cpp
@@ -14,7 +14,7 @@ using namespace Microsoft::VisualStudio::CppUnitTestFramework;
 #define FileName_10 "../Alogrithm/config/10_BinaryTreePaths.ini"
 #define FileName_11 "../Alogrithm/config/11_CanWinNim.ini"
 #define FileName_12 "../Alogrithm/config/12_IsValid.ini"
-
+#define FileName_13 "../Alogrithm/config/13_MyAtoi.ini"
 
 namespace UnitTest
 {
@@ -236,4 +236,21 @@ namespace UnitTest
 			}
 		}
 	};
+	TEST_CLASS(UnitTest_13)
+	{
+		TEST_METHOD(TestMethode1)
+		{
+			char Section_Name[100][10] = { 0 };
+			int  Section_Count = CalcCount(100, Section_Name, FileName_13);
+			char input_char[1024] = { 0 };
+			CString input, output;
+			for (int i = 0; i < Section_Count; i++) {
+				GetPrivateProfileString(Section_Name[i], "input", " ", input.GetBuffer(200), 200, FileName_13);
+				GetPrivateProfileString(Section_Name[i], "output", " ", output.GetBuffer(20), 20, FileName_13);
+				strcpy(input_char, input);
+				int nReal = MyAtoi(input_char);
+				Assert::AreEqual(nReal, _ttoi(output));
+			}
+		}
+	};
 }
diff --git a/Alogrithm/UnitTest/UnitTest.vcxproj b/Alogrithm/UnitTest/UnitTest.vcxproj
index 353548a..ddb070c 100644
--- a/Alogrithm/UnitTest/UnitTest.vcxproj
+++ b/Alogrithm/UnitTest/UnitTest.vcxproj
@@ -103,7 +103,7 @@
       <SubSystem>Windows</SubSystem>
       <AdditionalLibraryDirectories>$(VCInstallDir)UnitTest\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
-      <AdditionalDependencies>../Alogrithm/Debug/1_ContainsNearbyDuplicate.obj;../Alogrithm/Debug/2_ExcelSheetColumnTitle.obj;../Alogrithm/Debug/3_bool IsUgly.obj;../Alogrithm/Debug/4_IsPalindrome.obj;../Alogrithm/Debug/5_MinDepth.obj;../Alogrithm/Debug/6_ContainsDuplicate.obj;../Alogrithm/Debug/7_MaxDepth.obj;../Alogrithm/Debug/8_HammingWeight.obj;../Alogrithm/Debug/9_AddBinary.obj;../Alogrithm/Debug/10_BinaryTreePaths.obj;../Alogrithm/Debug/11_CanWinNim.obj;../Alogrithm/Debug/12_IsValid.obj;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>../Alogrithm/Debug/1_ContainsNearbyDuplicate.obj;../Alogrithm/Debug/2_ExcelSheetColumnTitle.obj;../Alogrithm/Debug/3_bool IsUgly.obj;../Alogrithm/Debug/4_IsPalindrome.obj;../Alogrithm/Debug/5_MinDepth.obj;../Alogrithm/Debug/6_ContainsDuplicate.obj;../Alogrithm/Debug/7_MaxDepth.obj;../Alogrithm/Debug/8_HammingWeight.obj;../Alogrithm/Debug/9_AddBinary.obj;../Alogrithm/Debug/10_BinaryTreePaths.obj;../Alogrithm/Debug/11_CanWinNim.obj;../Alogrithm/Debug/12_IsValid.obj;../Alogrithm/Debug/13_MyAtoi.obj;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
diff --git a/Alogrithm/UnitTest/pch.h b/Alogrithm/UnitTest/pch.h
index dbcae6d..3731bbb 100644
--- a/Alogrithm/UnitTest/pch.h
+++ b/Alogrithm/UnitTest/pch.h
@@ -25,6 +25,7 @@
 #include"../Alogrithm/include/10_BinaryTreePaths.h"
 #include"../Alogrithm/include/11_CanWinNim.h"
 #include"../Alogrithm/include/12_IsValid.h"
+#include"../Alogrithm/include/13_MyAtoi.h"
 
 
 int CalcCount(int n, char(*str)[10],const char *FileName);