CS 515 : Algorithms and Data Structures Homework
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چکیده
In order to address this problem, our algorithm uses the rst element of preorder node sequence to nd the root of tree, and locate the root in the inorder node sequence. Then, in inorder sequence, everything on the left side of the root element is the inorder node sequence of the left subtree and everything on the right side of of the root element is the inorder node sequence of the right tree. We use the length of the left and right subtrees of inorder to locate them in our preorder sequence and extract the preorder subsequence nodes of left and right subtrees . We then repeat the same method to the left and right subtrees until we recived to subtrees by length one, which are leaves all the nodes in the tree.
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