黄天兵201831061126重新提交代码

Misizu-star/Calculator/Calculator.sln

@@ -0,0 +1,41 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.852
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Calculator", "Calculator\Calculator.vcxproj", "{93A9F6F8-58E8-4ED9-9DE0-CAAD1C074747}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "UnitTest1", "UnitTest1\UnitTest1.vcxproj", "{2E150008-0DE8-49EE-9BCC-F6EED2A9C5D4}"
+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
+		{93A9F6F8-58E8-4ED9-9DE0-CAAD1C074747}.Debug|x64.ActiveCfg = Debug|x64
+		{93A9F6F8-58E8-4ED9-9DE0-CAAD1C074747}.Debug|x64.Build.0 = Debug|x64
+		{93A9F6F8-58E8-4ED9-9DE0-CAAD1C074747}.Debug|x86.ActiveCfg = Debug|Win32
+		{93A9F6F8-58E8-4ED9-9DE0-CAAD1C074747}.Debug|x86.Build.0 = Debug|Win32
+		{93A9F6F8-58E8-4ED9-9DE0-CAAD1C074747}.Release|x64.ActiveCfg = Release|x64
+		{93A9F6F8-58E8-4ED9-9DE0-CAAD1C074747}.Release|x64.Build.0 = Release|x64
+		{93A9F6F8-58E8-4ED9-9DE0-CAAD1C074747}.Release|x86.ActiveCfg = Release|Win32
+		{93A9F6F8-58E8-4ED9-9DE0-CAAD1C074747}.Release|x86.Build.0 = Release|Win32
+		{2E150008-0DE8-49EE-9BCC-F6EED2A9C5D4}.Debug|x64.ActiveCfg = Debug|x64
+		{2E150008-0DE8-49EE-9BCC-F6EED2A9C5D4}.Debug|x64.Build.0 = Debug|x64
+		{2E150008-0DE8-49EE-9BCC-F6EED2A9C5D4}.Debug|x86.ActiveCfg = Debug|Win32
+		{2E150008-0DE8-49EE-9BCC-F6EED2A9C5D4}.Debug|x86.Build.0 = Debug|Win32
+		{2E150008-0DE8-49EE-9BCC-F6EED2A9C5D4}.Release|x64.ActiveCfg = Release|x64
+		{2E150008-0DE8-49EE-9BCC-F6EED2A9C5D4}.Release|x64.Build.0 = Release|x64
+		{2E150008-0DE8-49EE-9BCC-F6EED2A9C5D4}.Release|x86.ActiveCfg = Release|Win32
+		{2E150008-0DE8-49EE-9BCC-F6EED2A9C5D4}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {E7DA3715-D887-4110-9177-F4523B75A836}
+	EndGlobalSection
+EndGlobal

Misizu-star/Calculator/Calculator/Calculator.cpp

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+#include <iostream>
+#include <string>
+#include <ctime>
+#include <stack>
+#include <fstream>
+#include <cstdlib>
+#include "Calculator.h"
+
+#define random(a,b) (rand()%(b-a+1)+a)
+using namespace std;
+//�������ȼ�
+int Prec(char op) {
+	if (op == '+' || op == '-')
+		return 1;
+	else if (op == '*' || op == '/')
+		return 2;
+	else if (op == '=')
+		return 0;
+	else
+		return -1;
+}
+//Ĭ�Ϲ��캯��
+Calculator::Calculator() {}
+//������Ŀ
+string Calculator::MakeQuestion() {
+	string question = "";
+	int number1 = random(1, 100);
+	int op_num = random(1, 3);    //�����������������
+	question += to_string(number1);
+	for (int i = 0; i < op_num; i++) {
+		int op_index = random(0, 3);    //�������±�
+		int number2 = random(1, 100);
+		if (op_index == 3) {
+			while (number1 < number2 || number1 % number2 != 0) {
+				number2 = random(1, 50);    //�����������������������
+			}
+		}
+		number1 = number2;
+		question += op[op_index] + to_string(number1);
+	}
+	question += "=";
+	return question;
+}
+//������
+int Calculator::Solve(string question) {
+	stack<int> num_stack;    //�����������ݵ�ջ
+	stack<char> op_stack;    //�����������ջ
+	int i = 0;
+	while (i < question.length()) {
+		char temp = question[i];
+		if (temp != '+'&&temp != '-'&&temp != '*'&&temp != '/'&&temp != '=') {
+			int number = stoi(question.substr(i));    //ȡ��������������
+			num_stack.push(number);                   //��������ֱ����ջ
+			i += to_string(number).length();
+		}
+		else {
+			if (op_stack.empty())
+				op_stack.push(temp);
+			else if (Prec(temp) > Prec(op_stack.top()))
+				op_stack.push(temp);    //ջ����������ȼ�����ջ��
+			else {                      //ջ����������ȼ�С�ڻ����ջ��
+				while (!op_stack.empty()) {
+					char op = op_stack.top();
+					int num2 = num_stack.top();
+					num_stack.pop();
+					int num1 = num_stack.top();
+					num_stack.pop();
+					if (op == '+')
+						num_stack.push(num1 + num2);
+					else if (op == '-')
+						num_stack.push(num1 - num2);
+					else if (op == '*')
+						num_stack.push(num1 * num2);
+					else if (op == '/')
+						num_stack.push(num1 / num2);
+					op_stack.pop();
+				}
+				op_stack.push(temp);
+			}
+			i++;
+		}
+	}
+	return num_stack.top();
+}
+
+int main() {
+	srand((unsigned)time(NULL));
+	ofstream ofile;
+	ofile.open("subject.txt");
+	if (!ofile.is_open()) {
+		cout << "�ļ���ʧ�ܣ�" << endl;
+		exit(1);
+	}
+	Calculator Calculator;
+	string question;
+	int question_num;
+	cout << "��������Ŀ����:";
+	cin >> question_num;
+	for (int i = 0; i < question_num; i++) {
+		do {
+			question = Calculator.MakeQuestion();
+		} while (Calculator.Solve(question) < 0);
+		cout << question << endl;
+		ofile << question << Calculator.Solve(question) << endl;
+	}
+	ofile.close();
+	return 0;
+}

Misizu-star/Calculator/Calculator/Calculator.h

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+#pragma once
+#include <string>
+using namespace std;
+
+class Calculator {
+private:
+	string op[4] = { "+","-","*","/" };
+public:
+	Calculator();
+	string MakeQuestion();
+	int Solve(string Subject);
+};

Misizu-star/Calculator/Calculator/Calculator.vcxproj

@@ -0,0 +1,129 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="15.0" 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>
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+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>15.0</VCProjectVersion>
+    <ProjectGuid>{93A9F6F8-58E8-4ED9-9DE0-CAAD1C074747}</ProjectGuid>
+    <RootNamespace>Calculator</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+    <CharacterSet>MultiByte</CharacterSet>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>MultiByte</CharacterSet>
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+      <SDLCheck>true</SDLCheck>
+      <ConformanceMode>true</ConformanceMode>
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+    <Link>
+      <SubSystem>Console</SubSystem>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
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+  <ItemGroup>
+    <ClCompile Include="Calculator.cpp" />
+  </ItemGroup>
+  <ItemGroup>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
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Misizu-star/Calculator/Calculator/Calculator.vcxproj.filters

@@ -0,0 +1,27 @@
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+    <ClCompile Include="Calculator.cpp">
+      <Filter>源文件</Filter>
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+</Project>

Misizu-star/Calculator/Calculator/subject.txt

@@ -0,0 +1,10 @@
+86-34=52
+82/1-44=38
+61*34-81+41=2034
+72*11-18-16=758
+44*35=1540
+95+68*30+30=2165
+32-20=12
+50-15=35
+83/1/1=83
+84+76*89=6848