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Jason Staten 4b1fbe9bc9
Two Sum IV
2 years ago
..
readme.md Two Sum IV 2 years ago
twosumiv.go Two Sum IV 2 years ago
twosumiv_test.go Two Sum IV 2 years ago

readme.md

  1. 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:

Input: root = [5,3,6,2,4,null,7], k = 9 Output: true

Example 2:

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