Binaerbaum angefangen

This commit is contained in:
Bannach 2025-11-28 13:26:06 +01:00
parent 0d1d9cf126
commit 30ec4efd57
2 changed files with 79 additions and 8 deletions

View File

@ -1,8 +1,2 @@
<?xml version="1.0" encoding="UTF-8"?>
<module type="CPP_MODULE" version="4">
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$" />
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>
<module classpath="CIDR" type="CPP_MODULE" version="4" />

View File

@ -8,11 +8,65 @@
* `treeSize`: zählt die Knoten im Baum (rekursiv),
* `nextTreeData`: Traversierung mit Hilfe des zuvor implementierten Stacks. */
TreeNode* createNode(const void *data, size_t dataSize) {
TreeNode* newNode = (TreeNode*)malloc(sizeof(TreeNode));
if (newNode == NULL) {
// Fehlerbehandlung: Speicher konnte nicht alloziiert werden
return NULL;
}
// Speicher für die Daten allozieren und kopieren
newNode->data = malloc(dataSize);
if (newNode->data == NULL) {
free(newNode); // newNode freigeben, wenn Datenallokation fehlschlägt
return NULL;
}
memcpy(newNode->data, data, dataSize);
newNode->left = NULL;
newNode->right = NULL;
return newNode;
}
// Adds a copy of data's pointer destination to the tree using compareFct for ordering. Accepts duplicates
// if isDuplicate is NULL, otherwise ignores duplicates and sets isDuplicate to 1 (or to 0 if a new entry is added).
TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFctType compareFct, int *isDuplicate)
{
TreeNode *newNode = createNode(data,dataSize);
if (root == NULL)
{ if (isDuplicate!=NULL) {
*isDuplicate = 0;
}
return newNode;
}
if (compareFct(root->data, newNode->data)==0)
{
if (isDuplicate==NULL) {
free(newNode);
root->left = addToTree(root->left, data, dataSize, compareFct, isDuplicate);
}
else
{
free(newNode->data);
free(newNode);
*isDuplicate=1;
return root;
}
}
else if (compareFct(root->data, newNode->data)>0)
{
free(newNode);
root->left = addToTree(root->left, data, dataSize, compareFct, isDuplicate);
}
else if (compareFct(root->data, newNode -> data)<0)
{
free(newNode);
root->right= addToTree(root->right, data, dataSize, compareFct, isDuplicate);
}
return root;
}
// Iterates over the tree given by root. Follows the usage of strtok. If tree is NULL, the next entry of the last tree given is returned in ordering direction.
@ -26,11 +80,34 @@ void *nextTreeData(TreeNode *root)
// Releases all memory resources (including data copies).
void clearTree(TreeNode *root)
{
if (root != NULL) {
if (root->left != NULL) {
clearTree(root->left);
}
if (root->right != NULL) {
clearTree(root->right);
}
free(root->data);
free(root);
}
}
// Returns the number of entries in the tree given by root.
unsigned int treeSize(const TreeNode *root)
{
unsigned int size = 0;
if (root == NULL) {
return 0;
}
if (root->left != NULL)
{
size += treeSize(root->left);
}
if (root->right != NULL)
{
size += treeSize(root->right);
}
return size+1;
}