I have to list to the vertices according to a preorder traversal, an inorder traversal, and a postorder traversal. Here's what I have so far: preorder: 0,1,3,6,7,9,10,2,4,5,8,11 inorder: 0,1,2,3,4,5,6,7,8,9,10,11 postorder: need help on how to do this are the first 2 correct?
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