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3376 - InorderTraversal #19655

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zhaoyao91 opened this issue Nov 23, 2022 · 1 comment

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zhaoyao91 commented Nov 23, 2022

type InorderTraversal<T extends TreeNode | null, L extends TreeNode | null = T extends TreeNode ? T['left'] : null, R extends TreeNode | null = T extends TreeNode ? T['right'] : null> = 
  T extends TreeNode
    ? [...InorderTraversal<L>, T['val'], ...InorderTraversal<R>]
    : []

zhaoyao91 added answer en labels

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zhaoyao91 commented Nov 23, 2022

更好的解：#8046

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