653. Two Sum IV - Input is a BST
2018-10-11 12:58:51

Given a Binary Search Tree and a target number, return true if there exist two elements in the BST such that their sum is equal to the given target.Example 1:Input: 5 / 3 6 / 2 4 7Target = 9Output: True Example 2:Input: 5 / 3 6 / 2 4 7Target = 28Output: False//Time: ......

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