[LeetCode] Find Leaves of Binary Tree 找二叉树的叶节点
Given a binary tree, find all leaves and then remove those leaves. Then repeat the previous steps until the tree is empty. Example: Given binary tree 1 / \ 2 3 / \ 4 5 Returns [4, 5, 3...
[LeetCode] Find Bottom Left Tree Value 寻找最左下树结点的值
Given a binary tree, find the leftmost value in the last row of the tree. Example 1: Input: 2 / \ 1 3 Output: 1 Example 2: Input: 1 / \ 2 3 / / \ 4 ...
[LeetCode] Find Largest Value in Each Tree Row 找树每行最大的结点值
You need to find the largest value in each row of a binary tree. Example: Input: 1 / \ 3 2 / \ \ 5 3 9 Output: [1, 3, 9] 这道题让我们找二叉树每行的最大的结点值，那么实际...
[LeetCode] Find Mode in Binary Search Tree 找二分搜索数的众数
Given a binary search tree (BST) with duplicates, find all the mode(s) (the most frequently occurred element) in the given BST. Assume a BST is defined as follows: The left subtree of a node...
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