Please help me! About the multiplication product of the array elements

Question

Fill in the blanks to calculate and return the multiplication product of the array elements.

foo(int arr[], int size)
{
int mult = ;
for (int x = 0; x < size; x++) {
mult = arr[x];
}
mult;
}

Answer 1

int foo(int arr[], int size)
...
mult = 1;
...
mult *= arr[x];
...
return mult;
...

Answer 2

Oh thanks!