SivilTaram · QiLF · Sep 7, 2019 · Sep 7, 2019
diff --git a/QiLF/Calculator/Calculator.sln b/QiLF/Calculator/Calculator.sln
@@ -0,0 +1,41 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.779
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Calculator", "Calculator\Calculator.vcxproj", "{C3CDA28A-A35C-43F8-9265-04CAD4DE5432}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CalculatorUnitTest", "CalculatorUnitTest\CalculatorUnitTest.vcxproj", "{5CC9087F-756A-42C8-A551-7E117B673B8B}"
+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
+		{C3CDA28A-A35C-43F8-9265-04CAD4DE5432}.Debug|x64.ActiveCfg = Debug|x64
+		{C3CDA28A-A35C-43F8-9265-04CAD4DE5432}.Debug|x64.Build.0 = Debug|x64
+		{C3CDA28A-A35C-43F8-9265-04CAD4DE5432}.Debug|x86.ActiveCfg = Debug|Win32
+		{C3CDA28A-A35C-43F8-9265-04CAD4DE5432}.Debug|x86.Build.0 = Debug|Win32
+		{C3CDA28A-A35C-43F8-9265-04CAD4DE5432}.Release|x64.ActiveCfg = Release|x64
+		{C3CDA28A-A35C-43F8-9265-04CAD4DE5432}.Release|x64.Build.0 = Release|x64
+		{C3CDA28A-A35C-43F8-9265-04CAD4DE5432}.Release|x86.ActiveCfg = Release|Win32
+		{C3CDA28A-A35C-43F8-9265-04CAD4DE5432}.Release|x86.Build.0 = Release|Win32
+		{5CC9087F-756A-42C8-A551-7E117B673B8B}.Debug|x64.ActiveCfg = Debug|x64
+		{5CC9087F-756A-42C8-A551-7E117B673B8B}.Debug|x64.Build.0 = Debug|x64
+		{5CC9087F-756A-42C8-A551-7E117B673B8B}.Debug|x86.ActiveCfg = Debug|Win32
+		{5CC9087F-756A-42C8-A551-7E117B673B8B}.Debug|x86.Build.0 = Debug|Win32
+		{5CC9087F-756A-42C8-A551-7E117B673B8B}.Release|x64.ActiveCfg = Release|x64
+		{5CC9087F-756A-42C8-A551-7E117B673B8B}.Release|x64.Build.0 = Release|x64
+		{5CC9087F-756A-42C8-A551-7E117B673B8B}.Release|x86.ActiveCfg = Release|Win32
+		{5CC9087F-756A-42C8-A551-7E117B673B8B}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {98B141FC-BF62-4FBB-9C6C-0DAA5D806039}
+	EndGlobalSection
+EndGlobal
diff --git a/QiLF/Calculator/Calculator/Calculator.cpp b/QiLF/Calculator/Calculator/Calculator.cpp
@@ -0,0 +1,119 @@
+
+
+#include "pch.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>();
+	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;
+		}
+	}
+	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;
+	}
+}
+
+
diff --git a/QiLF/Calculator/Calculator/Calculator.h b/QiLF/Calculator/Calculator/Calculator.h
@@ -0,0 +1,18 @@
+#pragma once
+#include "pch.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);
+};
diff --git a/QiLF/Calculator/Calculator/Calculator.vcxproj b/QiLF/Calculator/Calculator/Calculator.vcxproj
@@ -0,0 +1,169 @@
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diff --git a/QiLF/Calculator/Calculator/Calculator.vcxproj.filters b/QiLF/Calculator/Calculator/Calculator.vcxproj.filters
@@ -0,0 +1,33 @@
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+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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diff --git a/QiLF/Calculator/Calculator/pch.cpp b/QiLF/Calculator/Calculator/pch.cpp
@@ -0,0 +1,5 @@
+// pch.cpp: 与预编译标头对应的源文件；编译成功所必需的
+
+#include "pch.h"
+
+// 一般情况下，忽略此文件，但如果你使用的是预编译标头，请保留它。