c++

4. (A). What does the getGuess function return? Assume nodePtr points to the root of the following tree: ? template void BinaryTree: :getGuess (BinaryNode* nodePtr) if (nodePt r== NULL) return 0; int res -0; if (nodePtr->left && nodePtr->right) res++ getGuess( nodePt r-> right)); res += return (getGuess(nodePt r->left) res; +