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10b - TreesSlides

# Just look for it 2 0 its just another data collection

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Unformatted text preview: general binary search tree. 8 7 It goes where you expect it to be. So, now let's implement a BinaryTree structure BinaryTree (really binary search tree, but that's too long a title). 6 9 struct struct node; typedef node *nodePtr; struct node { void* data; nodePtr left, right; }; nodePtr root; void void void bool bool init_tree(nodePtr root); // // initialization destroy_tree(nodePtr root); // destruction Insert(nodePtr root, void* data); Locate(nodePtr root, void* data, void* fdata); Delete(nodePtr root, void* data); 5 We'll need a comparison function int TreeDataCmp(void* data1,void* data2); for relative positioning. like the linked list, the only difference is how the member functions operate. Initialize set root to 0 root Locate Set current node to be root of tree WHILE data is not at current node IF data required is in the left sub-tree subset current node to root of left sub-tree (the left child) subELSE set current node to root of right sub-tree (the right child) sub- Their outward appearance is the same. Although this is iterative, we can also write it recursive – much more usual. Here is a function which will perform the task. We...
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