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Commit 78996cd

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Create 1022.py
1 parent 81806ea commit 78996cd

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‎1001-1500/1022.py‎

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# Definition for a binary tree node.
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# class TreeNode:
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# def __init__(self, val=0, left=None, right=None):
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# self.val = val
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# self.left = left
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# self.right = right
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class Solution:
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def sumRootToLeaf(self, root: Optional[TreeNode]) -> int:
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def dfs(node,path):
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if not node:
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return 0
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path = (path<<1)+node.val
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if not node.left and not node.right:
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return path
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else:
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return dfs(node.left, path) + dfs(node.right, path)
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return dfs(root,0)

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