C++ code works in Gedit, but not in VS

Question

I've written a program in Visual Studio on Windows, and the program compiles correctly, but does not display the desired output to the console. However, if I compile and run the program in Gedit on Linux, the correct output displays and everything works. Why is this? Code is below:

#include <iostream>
#include <fstream>

using namespace std;

int main()
{
string input;

cout << "College Admission Generator\n\n";

cout << "To begin, enter the location of the input file (e.g. C:\\yourfile.txt):\n";
cin >> input;


ifstream in(input.c_str());

if (!in)
{
    cout << "Specified file not found. Exiting... \n\n";
    return 1;
}

char school, alumni;
double GPA, mathSAT, verbalSAT;
int liberalArtsSchoolSeats = 5, musicSchoolSeats = 3, i = 0;

while (in >> school >> GPA >> mathSAT >> verbalSAT >> alumni)
{

    i++;

    cout << "Applicant #: " << i << endl;
    cout << "School = " << school;
    cout << "\tGPA = " << GPA;
    cout << "\tMath = " << mathSAT;
    cout << "\tVerbal = " << verbalSAT;
    cout << "\tAlumnus = " << alumni << endl;

    if (school == 'L')
    {
        cout << "Applying to Liberal Arts\n";

        if (liberalArtsSchoolSeats > 0)
        {

            if (alumni == 'Y')
            {

                if (GPA < 3.0)
                {
                    cout << "Rejected - High school Grade is too low\n\n";
                }

                else if (mathSAT + verbalSAT < 1000)
                {
                    cout << "Rejected - SAT is too low\n\n";
                }

                else
                {
                    cout << "Accepted to Liberal Arts!!\n\n";
                    liberalArtsSchoolSeats--;
                }
            }

            else
            {
                if (GPA < 3.5)
                {
                    cout << "Rejected - High school Grade is too low\n\n";
                }

                else if (mathSAT + verbalSAT < 1200)
                {
                    cout << "Rejected - SAT is too low\n\n";
                }

                else
                {
                    cout << "Accepted to Liberal Arts\n\n";
                    liberalArtsSchoolSeats--;
                }
            }
        }

        else
        {
            cout << "Rejected - All the seats are full \n";
        }
    }

    else
    {
        cout << "Applying to Music\n";

        if (musicSchoolSeats>0)
        {
            if (mathSAT + verbalSAT < 500)
            {
                cout << "Rejected - SAT is too low\n\n";
            }

            else
            {
                cout << "Accepted to Music\n\n";

                musicSchoolSeats--;
            }
        }

        else
        {
            cout << "Rejected - All the seats are full\n";
        }
    }
    cout << "*******************************\n";
}
return 0;
}

Thanks for any and all help!

EDIT: removed fluff.

To clarify, the program does compile in VS. It opens the file, but does not echo any information from the file, and instead just prints the "press any key to exit . . ." message.

Answer 1

You have string input; and cin >> input; . These statements require the <string> header but you did not include it (explicitly). In some implementations you can get away with free rides since <iostream> includes the <string> header. But you should not. Always include the appropriate header:

#include <string>

Without the above header your code will compile on Linux using g++ (which is what you are using) but not on Windows using Visual C++. That being said use std::getline to accept strings from the standard input instead of std::cin .