Flip Binary Tree To Match Preorder Traversal (二叉树遍历好题)
FlipBinaryTreeToMatchPreorderTraversalMediumYouaregiventherootofabinarytreewithnnodes,whereeachnodeisuniquelyassignedavaluefrom1ton.Youarealsogivenasequenceofnvaluesvoyage,whichisthedesiredpre-ordertr