题目
题目

CIS-279-OLH-CRN47413

单项选择题

Which XXX would replace the missing statement in the algorithm for inserting a new node in an empty AVL tree? AVLTreeInsert(tree, node) { XXX { tree⇢root = node node⇢parent = null return } ... }

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思路分析
The question asks what statement should fill the XXX in the AVLTreeInsert function when inserting into an empty AVL tree. In an empty tree, the root pointer indicates that there is no node yet. Therefore, the first test must detect that there is no root and then perform the initial insertion by assigning the root t......Login to view full explanation

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类似问题

Which XXX completes the C++ AVLTree class's Insert() function? void Insert(Node* node) { if (!root) { root = node; } else { Node* currentNode = root; while (currentNode) { if (node->key < currentNode->key) { if (currentNode->left == nullptr) { currentNode->left = node; node->parent = currentNode; currentNode = nullptr; } else { currentNode = currentNode->left; } } else { if (currentNode->right == nullptr) { currentNode->right = node; node->parent = currentNode; currentNode = nullptr; } else { currentNode = currentNode->right; } } } XXX while (node) { Rebalance(node); node = node->parent; } } }

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