2021-02-26: An array arr is the result of the in-order traversal of the binary tree, and the cost of each edge is the product of the parent node and the child node, which is always open - Code World

2021-02-26: An array arr is the result of the in-order traversal of the binary tree, and the cost of each edge is the product of the parent node and the child node, which is always open

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2021-02-26: An array arr is the result of the in-order traversal of the binary tree, and the cost of each edge is the product of the parent node and the child node, which is always open

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