2023-07-21 10:19:55 +0000 UTC

Root Equals Sum of Children
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Code

# Definition for a binary tree node.
# class TreeNode:
#     def __init__(self, val=0, left=None, right=None):
#         self.val = val
#         self.left = left
#         self.right = right
class Solution:
    def checkTree(self, root: Optional[TreeNode]) -> bool:
        return root.val == (root.left.val + root.right.val)