[LeetCode] Closest Binary Search Tree Value 最近的二分搜索树的值

Given a non-empty binary search tree and a target value, find the value in the BST that is closest to the target. Note: Given target value is a floati...

[LeetCode] Closest Binary Search Tree Value II 最近的二分搜索树的值之二

Given a non-empty binary search tree and a target value, find k values in the BST that are closest to the target. Note: Given target value i...

[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 / / ...

[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...

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