( " ' nodes finite set of vertices root . :* :: - PowerPoint PPT Presentation

Oct 11, 2022 •186 likes •219 views

: path length from Depth Graph E) G= : ( " ' nodes finite set of vertices root . :* :: e.ci :* :i . " is ( pairs of vertices ) IF . - acyclic graph " graph " Directed

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m complete Binary Tree : All levels traverse ( Btnodev ) l Traversals How to ( systematically ) visit : full ( except last ) null ) return ; of a rooted tree ? if ( v the nodes ( can be generalized ) visitors - Preorder 09-0 Binary Tree Traversals 2isirsproes@fiIInorderroot.i.gov - process In Innings ;¥÷i÷ Eiichi . . .de . , 4hq" - Lily parental } Challenge : traversals dy so ÷÷÷÷÷÷÷:÷ensimmM TO *d ④ / " n u , _ - a In order : An extended binary atbO*# µ DThm : § ④ tree with n internal nodes Another way to save space . . . Those wasteful null links Threaded binary tree : ( black ) has nil external . . " " " . . . store ( useful ) links in the nodes ( blue ) Q Extended binary ' O null links .( Use a mark bit O %§gQg : Replace IB to distinguish link types Observation : Every tree . ) extended binary tree each null link with E. g. In order Threads : a special leaf node :b BID I 'D Null left - inorder predecessor is full external node Null rights " successor 4

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