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Input/Output Read Loop Crash

ncant (2)
Hello, I am doing an assignment that requires me to read names and numbers from a text file. Everything I've written so far compiles, but for some reason my program is crashing at a certain point and I am not sure why.

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#include <iostream>
#include <fstream>
#include <cstdlib>
#include <vector>

using namespace std;

struct manager
{
    int ID;
    int salary;
    string fname;
    string lname;
};

struct customer
{
    double cash;
    string fname;
    string lname;
};

struct seller
{
    int ID;
    int numCust;
    double totalCash;
    string fname;
    string lname;
    string gender;
    customer custArrs[];

    void sumUp();
};

void seller::sumUp()
{
    totalCash = 0;

    for(int x = 0; x < numCust; x++)
    {
        totalCash = totalCash + custArrs[x].cash;
    }
}

void youreFired(seller sellArr[], int& fired, int numSellers)
{
    for(int y = 0; y < numSellers; y++)
        {
        for(int x = 0; x < numSellers; x++)
            {
                if(sellArr[y].totalCash < sellArr[x].totalCash)
                {
                    fired = y;
                }
            }
        }

//    for(int b = 1; b < sellArr[fired].numCust; b++)
//    {
//        sellArr[numSellers + b].custArrs[b - 1].name = sellArr[fired].custArrs[b - 1].name;
//        sellArr[numSellers + b].custArrs[b - 1].cash = sellArr[fired].custArrs[b - 1].cash;
//    }
}

void printScam(manager man1, seller sellArr[], int numSellers, int fired)
{
    cout << "Manager:" << endl << man1.ID << endl << man1.fname
    << endl << man1.lname<< endl << man1.salary << endl;

    for(int x = 0; x < numSellers; x++)
    {
        if(x != fired)
        {
            cout << "/tSeller:" << endl << "/t" << sellArr[x].fname
                << endl << "/t" << sellArr[x].ID << endl << "/t"
                << sellArr[x].totalCash;

            for(int y = 0; y < (sizeof(sellArr[x].custArrs)); y++)
            {
                cout << "/t/tCustomers:" << endl << "/t/t" <<
                sellArr[x].custArrs[y].fname << endl << "/t/t" <<
                sellArr[x].custArrs[y].cash << endl;
            }
        }
    }
}

int main()
{
    ifstream infile;
    manager man1;
    int numSellers = 0;
    int fired;
    seller sellArr[50];

    infile.open("Assg7.txt");

    infile >> man1.ID >> man1.fname >> man1.lname >> man1.salary;

    cout << endl << man1.ID << endl << man1.fname << endl << man1.lname << endl << man1.salary;
    while(numSellers < 5)
    {
        infile >> sellArr[numSellers].ID >> sellArr[numSellers].fname >> sellArr[numSellers].lname >> sellArr[numSellers].gender
        >> sellArr[numSellers].numCust;

        cout << endl << sellArr[numSellers].ID << endl << sellArr[numSellers].fname << " " << sellArr[numSellers].lname << endl << sellArr[numSellers].gender
        << endl << sellArr[numSellers].numCust;

        for(int x = 0; x < sellArr[numSellers].numCust; x++)
        {
            infile >> sellArr[numSellers].custArrs[x].fname >> sellArr[numSellers].custArrs[x].lname >> sellArr[numSellers].custArrs[x].cash;

            cout << endl << sellArr[numSellers].custArrs[x].fname << endl << sellArr[numSellers].custArrs[x].lname << endl << sellArr[numSellers].custArrs[x].cash;
        }


Around about here is where the program crashes. The above for loop will execute once and crash. Any help would be appreciated. Here is the rest of the code.

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        sellArr[numSellers].sumUp();

        numSellers++;
    }

    printScam(man1, sellArr, numSellers, fired);

    youreFired(sellArr, fired, numSellers);

    printScam(man1, sellArr, numSellers, fired);
}


and the text file looks like this:

1039547
Jabob Smith
120000

1033547
Gwenn Mccloy
Male
2

Hildegard Rutz
39.46

Lydia Feng
58.21

1478021
Hildegard Rutz
Female
1

Noreen Encarnacion
1.23

1098576
Deirdre Stayer
Female
4

Wade Peffer
5.24

Ronda Ord
89.99

Lacresha Lawrence
22.54

Zackary Schiro
19.95

122354
Deirdre Stayer
Female
1

Marcus Curl
2.22

187213
Tyesha Overton
Male
2

Celine Mccutchan
52.29

Debra Widger
2.55
Last edited on
helios (17575)
This:
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struct seller
{
//...
    customer custArrs[];
//...
};
doesn't give you a variable-sized array of customers, it gives you an uninitialized pointer. If you need a growing sequence then you should use std::vector.
http://www.cplusplus.com/reference/vector/vector/

Also the way you're using sizeof is wrong. It doesn't work that way. Read the documentation and use what you learn to rewrite that part.
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