wrote treeSize(), created treeSizeRec()
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parent
e52da066fa
commit
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29
bintree.c
29
bintree.c
@ -4,8 +4,8 @@
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//TODO: binären Suchbaum implementieren
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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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/* * `addToTree`: fügt ein neues Element in den Baum ein (rekursiv), Done
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* `clearTree`: gibt den gesamten Baum frei (rekursiv),
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* `clearTree`: gibt den gesamten Baum frei (rekursiv), Done
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* `treeSize`: zählt die Knoten im Baum (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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* `nextTreeData`: Traversierung mit Hilfe des zuvor implementierten Stacks. */
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@ -20,8 +20,9 @@
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// self declared functions
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// self declared functions
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TreeNode *addToTreeRec (TreeNode *currentNode, TreeNode *newNode, CompareFctType compareFct, int *isDuplicate);
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TreeNode *addToTreeRec (TreeNode *currentNode, TreeNode *newNode, CompareFctType compareFct, int *isDuplicate);
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TreeNode *clearTreeRec (TreeNode *currentNode);
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void clearTreeRec (TreeNode *currentNode);
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void clearNode (TreeNode *node);
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void clearNode (TreeNode *node);
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void treeSizeRec (const TreeNode *currentNode, unsigned int *nodeCount);
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// Adds a copy of data's pointer destination to the tree using compareFct for ordering. Accepts duplicates
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// Adds a copy of data's pointer destination to the tree using compareFct for ordering. Accepts duplicates
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@ -69,7 +70,7 @@ TreeNode *addToTreeRec(TreeNode *currentNode, TreeNode *newNode, CompareFctType
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}
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}
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else
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else
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{
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{
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isDuplicate = 1;
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*isDuplicate = 1;
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}
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}
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}
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}
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@ -96,7 +97,7 @@ void clearTree(TreeNode *root)
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}
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}
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TreeNode *clearTreeRec(TreeNode *currentNode)
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void clearTreeRec(TreeNode *currentNode)
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{
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{
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if (currentNode != NULL)
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if (currentNode != NULL)
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{
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{
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@ -122,7 +123,23 @@ void clearNode(TreeNode *node)
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// Returns the number of entries in the tree given by root.
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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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unsigned int treeSize(const TreeNode *root)
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{
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{
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unsigned int amountOfNodes = 0;
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treeSizeRec(root, &amountOfNodes);
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return amountOfNodes;
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}
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void treeSizeRec(const TreeNode *currentNode, unsigned int *nodeCount)
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{
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if (currentNode != NULL)
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{
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treeSizeRec(currentNode->left, nodeCount);
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*nodeCount++;
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treeSizeRec(currentNode->right, nodeCount);
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}
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}
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}
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