Cplusplus

yzy11235/Calculator/Calculator.cpp

@@ -0,0 +1,122 @@
+
+
+#include "stdafx.h"
+#include <stack>
+#include <vector>
+#include <iostream>
+#include "stdlib.h"
+#include <ctime>
+#include <string>
+#include "Calculator.h"
+
+#define random(a,b) (rand()%(b-a+1)+a)
+
+using namespace std;
+
+Calculator::Calculator() {}
+
+string Calculator::MakeFormula() {
+	string formula = "";
+	srand((unsigned int)time(NULL));
+	int count = random(1, 3);
+	int start = 0;
+	int number1 = random(1, 100);
+	formula += to_string(number1);
+	while (start <= count) {
+		int operation = random(0, 3);
+		int number2 = random(1, 100);
+		formula += op[operation] + to_string(number2);
+		start++;
+	}
+	return formula;
+};
+
+string Calculator::Solve(string formula) {
+	vector<string>* tempStack = new vector<string>();
+	stack<char>* operatorStack = new stack<char>();
+	// formula split
+	int len = formula.length();
+	int k = 0;
+	for (int j = -1; j < len - 1; j++) {
+		char formulaChar = formula[j + 1];
+		if (j == len - 2 || formulaChar == '+' || formulaChar == '-' ||
+			formulaChar == '*' || formulaChar == '/') {
+			if (j == len - 2) {
+				tempStack->push_back(formula.substr(k));
+			}
+			else {
+				if (k < j) {
+					tempStack->push_back(formula.substr(k, j + 1));
+				}
+				if (operatorStack->empty()) {
+					operatorStack->push(formulaChar);
+				}
+				else {
+					char stackChar = operatorStack->top();
+					if ((stackChar == '+' || stackChar == '-')
+						&& (formulaChar == '*' || formulaChar == '/')) {
+						operatorStack->push(formulaChar);
+					}
+					else {
+						tempStack->push_back(to_string(operatorStack->top()));
+						operatorStack->pop();
+						operatorStack->push(formulaChar);
+					}
+				}
+			}
+			k = j + 2;
+		}
+	}
+
+	// calculate with stack
+	while (!operatorStack->empty()) {
+		tempStack->push_back(string(1, operatorStack->top()));
+		operatorStack->pop();
+	}
+	stack<string>* calcStack = new stack<string>();
+	for (int i = 0; i < tempStack->size(); i++) {
+		string peekChar = tempStack->at(i);
+		if (peekChar != "+" && peekChar != "-"
+			&& peekChar != "/" && peekChar != "*") {
+			calcStack->push(peekChar);
+		}
+		else {
+			int a1 = 0;
+			int b1 = 0;
+			if (!calcStack->empty()) {
+				b1 = stoi(calcStack->top());
+				calcStack->pop();
+			}
+			if (!calcStack->empty()) {
+				a1 = stoi(calcStack->top());
+				calcStack->pop();
+			}
+			if (peekChar == "+") {
+				calcStack->push(to_string(a1 + b1));
+			}
+			else if (peekChar == "-") {
+				calcStack->push(to_string(a1 - b1));
+			}
+			else if (peekChar == "*") {
+				calcStack->push(to_string(a1 * b1));
+			}
+			else if (peekChar == "/") {
+				calcStack->push(to_string(a1 / b1));
+			}
+		}
+	}
+	return formula + "=" + calcStack->top();
+}
+
+int main()
+{
+	for (int i = 0; i < 10000000; i++) {
+		Calculator* calc = new Calculator();
+		string question = calc->MakeFormula();
+		cout << question << endl;
+		string ret = calc->Solve("11+22");
+		cout << ret << endl;
+	}
+}
+
+

yzy11235/Calculator/Calculator.h

@@ -0,0 +1,18 @@
+#pragma once
+#include "stdafx.h"
+#include <stack>
+#include <vector>
+#include <iostream>
+#include "stdlib.h"
+#include <ctime>
+#include <string>  
+using namespace std;
+
+class Calculator {
+private:
+	string op[4] = { "+", "-", "*", "/" };
+public:
+	Calculator();
+	string MakeFormula();
+	string Solve(string formula);
+};

yzy11235/Calculator/Calculator.sln

@@ -0,0 +1,41 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29230.47
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Calculator", "Calculator.vcxproj", "{8CB1F83B-B956-4732-8ACC-66A7FF772F57}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CalculatorUnitTest", "..\CalculatorUnitTest\CalculatorUnitTest.vcxproj", "{24F41C66-32EC-4A86-8792-DEE7F5366187}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
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+		{8CB1F83B-B956-4732-8ACC-66A7FF772F57}.Debug|x64.ActiveCfg = Debug|x64
+		{8CB1F83B-B956-4732-8ACC-66A7FF772F57}.Debug|x64.Build.0 = Debug|x64
+		{8CB1F83B-B956-4732-8ACC-66A7FF772F57}.Debug|x86.ActiveCfg = Debug|Win32
+		{8CB1F83B-B956-4732-8ACC-66A7FF772F57}.Debug|x86.Build.0 = Debug|Win32
+		{8CB1F83B-B956-4732-8ACC-66A7FF772F57}.Release|x64.ActiveCfg = Release|x64
+		{8CB1F83B-B956-4732-8ACC-66A7FF772F57}.Release|x64.Build.0 = Release|x64
+		{8CB1F83B-B956-4732-8ACC-66A7FF772F57}.Release|x86.ActiveCfg = Release|Win32
+		{8CB1F83B-B956-4732-8ACC-66A7FF772F57}.Release|x86.Build.0 = Release|Win32
+		{24F41C66-32EC-4A86-8792-DEE7F5366187}.Debug|x64.ActiveCfg = Debug|x64
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+		{24F41C66-32EC-4A86-8792-DEE7F5366187}.Release|x64.ActiveCfg = Release|x64
+		{24F41C66-32EC-4A86-8792-DEE7F5366187}.Release|x64.Build.0 = Release|x64
+		{24F41C66-32EC-4A86-8792-DEE7F5366187}.Release|x86.ActiveCfg = Release|Win32
+		{24F41C66-32EC-4A86-8792-DEE7F5366187}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {F911C733-F294-4A3F-AE62-58939A08B379}
+	EndGlobalSection
+EndGlobal

yzy11235/Calculator/Calculator.vcxproj

@@ -0,0 +1,164 @@
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+<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>
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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>
+    </ProjectConfiguration>
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+    <VCProjectVersion>16.0</VCProjectVersion>
+    <ProjectGuid>{8CB1F83B-B956-4732-8ACC-66A7FF772F57}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>Calculator</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
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+    <CharacterSet>Unicode</CharacterSet>
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+    <ConfigurationType>Application</ConfigurationType>
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+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
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+  <ImportGroup Label="Shared">
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+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+    <Import Project="$(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.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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+      <ConformanceMode>true</ConformanceMode>
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+      <Optimization>Disabled</Optimization>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
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+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
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+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
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+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
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+    <ClCompile Include="stdafx.cpp" />
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+    <ClInclude Include="stdafx.h" />
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

yzy11235/Calculator/Calculator.vcxproj.filters

@@ -0,0 +1,33 @@
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+      <Filter>头文件</Filter>
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yzy11235/Calculator/Calculator.vcxproj.user

@@ -0,0 +1,4 @@
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+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup />
+</Project>

yzy11235/Calculator/Debug/Calculator.log

@@ -0,0 +1,3 @@
+  Calculator.cpp
+C:\Users\buaa\Course\SoftwareEngineer\Calculator\yzy11235\Calculator\Calculator.cpp(77,20): warning C4018:  “<”: 有符号/无符号不匹配
+  Calculator.vcxproj -> C:\Users\buaa\Course\SoftwareEngineer\Calculator\yzy11235\Calculator\Debug\Calculator.exe

yzy11235/Calculator/Debug/Calculator.tlog/Calculator.lastbuildstate

@@ -0,0 +1,2 @@
+#TargetFrameworkVersion=v4.0:PlatformToolSet=v142:EnableManagedIncrementalBuild=false:VCToolArchitecture=Native32Bit:WindowsTargetPlatformVersion=10.0
+Debug|Win32|C:\Users\buaa\Course\SoftwareEngineer\Calculator\yzy11235\Calculator\|

yzy11235/Calculator/stdafx.h

@@ -0,0 +1 @@
+#pragma once