java.lang.Object
g0601_0700.s0653_two_sum_iv_input_is_a_bst.Solution

public class Solution extends Object
653 - Two Sum IV - Input is a BST\. Easy Given the `root` of a Binary Search Tree and a target number `k`, return _`true` if there exist two elements in the BST such that their sum is equal to the given target_. **Example 1:** ![](https://assets.leetcode.com/uploads/2020/09/21/sum_tree_1.jpg) **Input:** root = [5,3,6,2,4,null,7], k = 9 **Output:** true **Example 2:** ![](https://assets.leetcode.com/uploads/2020/09/21/sum_tree_2.jpg) **Input:** root = [5,3,6,2,4,null,7], k = 28 **Output:** false **Constraints:** * The number of nodes in the tree is in the range [1, 104]. * -104 <= Node.val <= 104 * `root` is guaranteed to be a **valid** binary search tree. * -105 <= k <= 105
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • findTarget

      public boolean findTarget(TreeNode root, int k)