Question

I was wondering why do I keep getting an error and unable to return an array;

also, once the sell_item function actually work and return an array..how do I echo that array from the main function.

thanks

#include <iostream>
#include <fstream>

using namespace std;

ifstream infile;
ofstream outfile;

int itemnum = 3333;
string itemName="Cooking Range";
int Qauntity=1;

int NumberOfItems=2;
int NumberOfFields=5;

double function_Sell_Item(int   itemnum,string itemName, int Qauntity);

int main () {
    function_Sell_Item(itemnum, itemName, Qauntity);
}

double function_Sell_Item(int   itemnum,string itemName, int Qauntity) {
    double arraylist[2][5];

    for (int index =0; index < NumberOfItems; index++) {
        for (int i=0; i < NumberOfFields; i++) {
            arraylist[index][i]=0;
        }
    }

    return arraylist;
}
//// functions ends

:
;

Answer 1

You’re trying to return an array, which you cannot do in C++.

You should consider something like std::vector<double>, because you can return that.

typedef std::vector<double> MyVec;

MyVec foo() {
    MyVec v;
    v.push_back(3.142);
    v.push_back(2.718);
    return v;
}

int main() {
    MyVec z = foo();
    for (int i = 0; i < z.size(); i++) {
        std::cout << z[i] << "\n";
    }

    return 0;
}