This program has a class intArray, which functions are called during the lifetime of this program? void main() \{ intArray a(3); cout a.size(); \} intArray() constructor, size() and intArray() destructor size() intArray() contructor intArray() constructor and size() When applying the following code on a binary search tree, what will the output be? NodePTR doSomething(NodePTR root) \{ NodePTR p= root; while (p left != NULL) p=p> left; return p; \} return a pointer to the minimum value delete the left-most node find the depth of the left subtree return a pointer to the left subtree