[LeetCode] Binary Search Tree Iterator 二叉搜索树迭代器
Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST. Calling next() will return the next smallest number in the BST. Note:&nb...
[LeetCode] Binary Search Tree Iterator
The key to this problem is to store the values in a stack. In the constructor and next, we add all the next smallest nodes into the stack. The following code should be obvious after you run it on som....
[LeetCode]173.Binary Search Tree Iterator
【题目】 Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST. Calling next() will return the next smallest number in the BST. Not...
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