The input to a function is an array of n elements.Output of that function is also an array where each element is product of all elements in the input array except the one with same index.
Input ::::: 1 2 3 4
Output ::::: 2*3*4 1*3*4 1*2*4 1*2*3
Those two were the main questions ... rest were follow-up questions.
Other than these...OOPs concept questions...Polymorphism
Different Datastructures...access time and so on...