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This commit is contained in:
Maximilian Ott 2025-12-11 16:32:25 +01:00
parent 5efe99e6d6
commit 58abc8a774
1 changed files with 22 additions and 9 deletions
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31
bintree.c
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@ -2,12 +2,6 @@
#include "stack.h" #include "stack.h"
#include "bintree.h" #include "bintree.h"
//TODO: binären Suchbaum implementieren
/* * `addToTree`: fügt ein neues Element in den Baum ein (rekursiv),
* `clearTree`: gibt den gesamten Baum frei (rekursiv),
* `treeSize`: zählt die Knoten im Baum (rekursiv),
* `nextTreeData`: Traversierung mit Hilfe des zuvor implementierten Stacks. */
static StackNode *push_left(TreeNode *node, StackNode *stack); static StackNode *push_left(TreeNode *node, StackNode *stack);
int compareFct(const void *argument1, const void *argument2) int compareFct(const void *argument1, const void *argument2)
@ -60,11 +54,11 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
int cmpFCT = compareFCT(data, root->data); int cmpFCT = compareFCT(data, root->data);
if (cmpFCT < 0) if (cmpFCT < 0)
{ {
root->left = addToTree(root->left, data, dataSize, compareFCT, isDuplicate); root->left = addToTree(root->left, data, dataSize, compareFct, isDuplicate);
} }
else if (cmpFCT > 0) else if (cmpFCT > 0)
{ {
root->right = addToTree(root->right, data, dataSize, compareFCT, isDuplicate); root->right = addToTree(root->right, data, dataSize, compareFct, isDuplicate);
} }
else else
{ {
@ -95,14 +89,33 @@ void *nextTreeData(TreeNode *root)
return node->data; return node->data;
} }
static StackNode *push_left(TreeNode *node, StackNode *stack)
{
while (node != NULL)
{
stack = push(stack, node);
node = node->left;
}
return stack;
}
// Releases all memory resources (including data copies). // Releases all memory resources (including data copies).
void clearTree(TreeNode *root) void clearTree(TreeNode *root)
{ {
if (root = NULL) return;
clearTree(root->left);
clearTree(root->right);
free(root->data);
free(root);
} }
// Returns the number of entries in the tree given by root. // Returns the number of entries in the tree given by root.
unsigned int treeSize(const TreeNode *root) unsigned int treeSize(const TreeNode *root)
{ {
if (root == NULL)
{
return 0;
}
return 1 + treeSize(root->left) + treeSize(root->right);
} }