I need help writing these functions in C++

Get Height Arguments node: Pointer to node Return Type Integer Recursively decides the height of a subtree formed by the argument node. Pseudocode 1. If the node doesn't exist a. Return -1 2. Else a. Return 1 +max(GetHeight(node's left),GetHeight node's right) Balance Factor node: Pointer to node Return TypeInteger Description Cled Getheight on the left node and right node, and subtracts the right node's height from the left node's height Pseudocode 1. Return GetHeight(node's left) GetHeight nodes right)