The following pseudocode checks if an essentially complete binary tree is a min heap. (A treenode is a structure containing a left child pointer, a right child pointer, and a node value.) What is the time complexity of this algorithm, and why? bool checkTree(treenode *root) { int status = true; status = checkTree(root, INFINITY)   return status; } bool checkTree(treenode *root, int parentValue) { int *temp = root; if (temp is not NULL) { // check the left child checkTree(temp->left, temp->value); if (temp->left->value > parentValue) { return false; } // check the right child checkTree(temp->right, temp->value);   } return true; {

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A:

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