Question

What is the output of this program?

    #include <iostream>
    using namespace std;
    const int limit = 4;
    class safearray
    {
        private:
        int arr[limit];
        public:
        int& operator [](int n)
        {
            if (n == limit - 1)
            {
                int temp;
                for (int i = 0; i < limit; i++)
                {
                    if (arr[n + 1] > arr[n])
                    {
                        temp = arr[n];
                        arr[n] = arr[n + 1];
                        arr[n + 1] = temp;
                    }     
                }  
            }
            return arr[n];
        }
    };
    int main()
    {
        safearray sa1;
        for(int j = 0; j < limit; j++)
            sa1[j] = j*10;
        for(int j = 0; j < limit; j++)
        {
            int temp = sa1[j];
            cout << "Element " << j << " is " << temp;
        }
        return 0;
    }

a.

0102030

b.

1020300

c.

3020100

d.

error

Posted under Object Oriented Programming Using C++

Answer: (a).0102030

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