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9 lines
268 B
9 lines
268 B
7 years ago
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def tree_equal(node1, node2):
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if not node1 and not node2:
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return True
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if not node1 or not node2:
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return False
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return node1.val == node2.val and \
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tree_equal(node1.left, node2.left) and \
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tree_equal(node1.right, node2.right)
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