LeetCode — Search in a Binary Search Tree

Input: root = [4,2,7,1,3], val = 2
Output: [2,1,3]
Input: root = [4,2,7,1,3], val = 5
Output: []
  • The number of nodes in the tree is in the range [1, 5000].
  • 1 <= Node.val <= 107
  • root is a binary search tree.
  • 1 <= val <= 107

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