问Win32控制台应用程序无法在VS2012专业版中运行

EN

#include "stdafx.h"
#include <iostream>

// Function Prototypes
double convertToF(double);
double convertToC(double);

int main()
{
    using namespace std;

    char* convertChoice = "a";  // Initializing because the compiler complained.  Used to choose between celsius and fahrenheit.
    int choiceNumber; // Had issues using the char with switch so created this.
    double tempNumber; // The actual temperature the user wishes to convert.

    cout << "Do you wish to convert to [C]elcius or [F]ahrenheit?";
    cin >> convertChoice;

    // IF() compares convertChoice to see if the user selected C for Celsius or F for fahrenheit.  Some error catching by using the ELSE.  No converting char to lower though in case user enters letter in CAPS.
    if (convertChoice == "c")
    {
        cout << "You chose Celsius.  Please enter a temperature in Fahreinheit: " << endl;
        cin >> tempNumber;
        choiceNumber = 1;
    }
    else if (convertChoice == "f")
    {
        cout << "You chose Fahrenheit  Please enter a temperature in Celsius: " << endl;
        cin >> tempNumber;
        choiceNumber = 2;
    }
    else
    {
        cout << "You did not choose a valid option." << endl;
    }

    // SWITCH() grabs the int (choiceNumber) from the IF(), goes through the function and outputs the result.  Ugly way of doing it, but trying to make it work before I make it pretty.
    switch (choiceNumber)
    {
    case 1:
        double convertedFTemp;
            convertedFTemp = convertToC(tempNumber);
        cout << convertedFTemp << endl;
        break;
    case 2:
        double convertedCTemp;
            convertedCTemp = convertToF(tempNumber);
        cout << convertedCTemp << endl;
        break;
    default:
        cout << "You did not choose a valid option." << endl;
        break;
    }

    // To make sure the window doesn't close before viewing the converted temp.
    cin.get();

    return 0;
}

// Function Definitions
double convertToF(double x)
{
    double y;
    y = 1.8 * x + 32.0;
    return y;
}

double convertToC(double x)
{
    double y;
    y = x - 32 / 1.8;
    return y;
}