generated from freudenreichan/info2Praktikum-DobleSpiel
code_komplett
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31
bintree.c
31
bintree.c
@ -2,12 +2,6 @@
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#include "stack.h"
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#include "bintree.h"
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//TODO: binären Suchbaum implementieren
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/* * `addToTree`: fügt ein neues Element in den Baum ein (rekursiv),
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* `clearTree`: gibt den gesamten Baum frei (rekursiv),
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* `treeSize`: zählt die Knoten im Baum (rekursiv),
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* `nextTreeData`: Traversierung mit Hilfe des zuvor implementierten Stacks. */
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static StackNode *push_left(TreeNode *node, StackNode *stack);
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int compareFct(const void *argument1, const void *argument2)
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@ -60,11 +54,11 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
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int cmpFCT = compareFCT(data, root->data);
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if (cmpFCT < 0)
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{
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root->left = addToTree(root->left, data, dataSize, compareFCT, isDuplicate);
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root->left = addToTree(root->left, data, dataSize, compareFct, isDuplicate);
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}
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else if (cmpFCT > 0)
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{
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root->right = addToTree(root->right, data, dataSize, compareFCT, isDuplicate);
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root->right = addToTree(root->right, data, dataSize, compareFct, isDuplicate);
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}
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else
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{
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@ -95,14 +89,33 @@ void *nextTreeData(TreeNode *root)
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return node->data;
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}
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static StackNode *push_left(TreeNode *node, StackNode *stack)
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{
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while (node != NULL)
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{
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stack = push(stack, node);
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node = node->left;
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}
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return stack;
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}
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// Releases all memory resources (including data copies).
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void clearTree(TreeNode *root)
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{
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if (root = NULL) return;
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clearTree(root->left);
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clearTree(root->right);
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free(root->data);
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free(root);
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}
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// Returns the number of entries in the tree given by root.
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unsigned int treeSize(const TreeNode *root)
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{
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if (root == NULL)
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{
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return 0;
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}
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return 1 + treeSize(root->left) + treeSize(root->right);
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}
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