Cplusplus

Skewary/Cal/Cal.sln

@@ -0,0 +1,41 @@
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+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}") = "ConsoleApplication1", "ConsoleApplication1\ConsoleApplication1.vcxproj", "{31B0A1BB-1F71-4FBA-9500-BDF112C504AA}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "caltest", "caltest\caltest.vcxproj", "{6B1898DB-6824-44D6-A56D-2DF4FF671ECB}"
+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
+		{31B0A1BB-1F71-4FBA-9500-BDF112C504AA}.Debug|x64.ActiveCfg = Debug|x64
+		{31B0A1BB-1F71-4FBA-9500-BDF112C504AA}.Debug|x64.Build.0 = Debug|x64
+		{31B0A1BB-1F71-4FBA-9500-BDF112C504AA}.Debug|x86.ActiveCfg = Debug|Win32
+		{31B0A1BB-1F71-4FBA-9500-BDF112C504AA}.Debug|x86.Build.0 = Debug|Win32
+		{31B0A1BB-1F71-4FBA-9500-BDF112C504AA}.Release|x64.ActiveCfg = Release|x64
+		{31B0A1BB-1F71-4FBA-9500-BDF112C504AA}.Release|x64.Build.0 = Release|x64
+		{31B0A1BB-1F71-4FBA-9500-BDF112C504AA}.Release|x86.ActiveCfg = Release|Win32
+		{31B0A1BB-1F71-4FBA-9500-BDF112C504AA}.Release|x86.Build.0 = Release|Win32
+		{6B1898DB-6824-44D6-A56D-2DF4FF671ECB}.Debug|x64.ActiveCfg = Debug|x64
+		{6B1898DB-6824-44D6-A56D-2DF4FF671ECB}.Debug|x64.Build.0 = Debug|x64
+		{6B1898DB-6824-44D6-A56D-2DF4FF671ECB}.Debug|x86.ActiveCfg = Debug|Win32
+		{6B1898DB-6824-44D6-A56D-2DF4FF671ECB}.Debug|x86.Build.0 = Debug|Win32
+		{6B1898DB-6824-44D6-A56D-2DF4FF671ECB}.Release|x64.ActiveCfg = Release|x64
+		{6B1898DB-6824-44D6-A56D-2DF4FF671ECB}.Release|x64.Build.0 = Release|x64
+		{6B1898DB-6824-44D6-A56D-2DF4FF671ECB}.Release|x86.ActiveCfg = Release|Win32
+		{6B1898DB-6824-44D6-A56D-2DF4FF671ECB}.Release|x86.Build.0 = Release|Win32
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+EndGlobal

Skewary/Cal/ConsoleApplication1/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);
+};

Skewary/Cal/ConsoleApplication1/ConsoleApplication1.cpp

@@ -0,0 +1,118 @@
+
+
+#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));//last number
+			}
+			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(string(1, stackChar));
+						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()
+{
+	Calculator* calc = new Calculator();
+	string question = calc->MakeFormula();
+	cout << question << endl;
+	string ret = calc->Solve("11+22");
+	cout << ret << endl;
+	getchar();
+}
+
+

Skewary/Cal/ConsoleApplication1/ConsoleApplication1.vcxproj

@@ -0,0 +1,169 @@
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Skewary/Cal/ConsoleApplication1/ConsoleApplication1.vcxproj.filters

@@ -0,0 +1,33 @@
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Skewary/Cal/ConsoleApplication1/ConsoleApplication1.vcxproj.user

@@ -0,0 +1,4 @@
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Skewary/Cal/ConsoleApplication1/Debug/ConsoleA.31B0A1BB.tlog/ConsoleApplication1.lastbuildstate

@@ -0,0 +1,2 @@
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+Debug|Win32|C:\Users\叶志翔\Desktop\Calculator\Skewary\Cal\|

Skewary/Cal/ConsoleApplication1/Debug/ConsoleApplication1.log

@@ -0,0 +1,3 @@
+  ConsoleApplication1.cpp
+c:\users\叶志翔\desktop\calculator\skewary\cal\consoleapplication1\consoleapplication1.cpp(74): warning C4018: “<”: 有符号/无符号不匹配
+  ConsoleApplication1.vcxproj -> C:\Users\叶志翔\Desktop\Calculator\Skewary\Cal\Debug\ConsoleApplication1.exe