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4ce3a6aac0
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+62
@@ -0,0 +1,62 @@
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# ---> C
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# Prerequisites
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*.d
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# Object files
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*.o
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*.ko
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*.obj
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*.elf
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# Linker output
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*.ilk
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*.map
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*.exp
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# Precompiled Headers
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*.gch
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*.pch
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# Libraries
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*.lib
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*.la
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*.lo
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||||
# Shared objects (inc. Windows DLLs)
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*.dll
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*.so
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*.so.*
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*.dylib
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|
||||
# Executables
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*.exe
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*.out
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*.app
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*.i*86
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*.x86_64
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*.hex
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Startcode/doble_initial
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Startcode/doble
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Startcode/unitTests
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# Debug files
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*.dSYM/
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*.su
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||||
*.idb
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*.pdb
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||||
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||||
# Kernel Module Compile Results
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||||
*.mod*
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||||
*.cmd
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||||
.tmp_versions/
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modules.order
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Module.symvers
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Mkfile.old
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dkms.conf
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# IDE folders
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.vscode/
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.idea/
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# macOS
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.DS_Store
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Binary file not shown.
@@ -0,0 +1,36 @@
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#include <string.h>
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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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|
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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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// if isDuplicate is NULL, otherwise ignores duplicates and sets isDuplicate to 1 (or to 0 if a new entry is added).
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TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFctType compareFct, int *isDuplicate)
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{
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|
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}
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|
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// 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.
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// Use your implementation of a stack to organize the iterator. Push the root node and all left nodes first. On returning the next element,
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// push the top node and push all its left nodes.
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void *nextTreeData(TreeNode *root)
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{
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|
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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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|
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}
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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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}
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@@ -29,21 +29,21 @@ program_obj_files = stack.o bintree.o numbers.o timer.o highscore.o
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doble : main.o $(program_obj_files)
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$(CC) $(FLAGS) $^ -o doble
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$(program_obj_filesobj_files): %.o: %.c
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$(program_obj_files): %.o: %.c
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$(CC) -c $(FLAGS) $^ -o $@
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# --------------------------
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# Unit Tests
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# --------------------------
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unitTests:
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$(CC) $(FLAGS) $^ -o test_stack test_stack.c stack.c -Wall && ./test_stack
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echo "needs to be implemented"
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# --------------------------
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# Clean
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# --------------------------
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clean:
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ifeq ($(OS),Windows_NT)
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del /f *.o doble test_stack
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del /f *.o doble
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else
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rm -f *.o doble test_stack
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rm -f *.o doble
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endif
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@@ -0,0 +1,26 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include <string.h>
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#include "numbers.h"
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#include "bintree.h"
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//TODO: getDuplicate und createNumbers implementieren
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/* * * Erzeugen eines Arrays mit der vom Nutzer eingegebenen Anzahl an Zufallszahlen.
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* Sicherstellen, dass beim Befüllen keine Duplikate entstehen.
|
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* Duplizieren eines zufälligen Eintrags im Array.
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* in `getDuplicate()`: Sortieren des Arrays und Erkennen der doppelten Zahl durch Vergleich benachbarter Elemente. */
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// Returns len random numbers between 1 and 2x len in random order which are all different, except for two entries.
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// Returns NULL on errors. Use your implementation of the binary search tree to check for possible duplicates while
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// creating random numbers.
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unsigned int *createNumbers(unsigned int len)
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{
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|
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}
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// Returns only the only number in numbers which is present twice. Returns zero on errors.
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unsigned int getDuplicate(const unsigned int numbers[], unsigned int len)
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{
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}
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@@ -0,0 +1,33 @@
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#include <stdlib.h>
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#include "stack.h"
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//TODO: grundlegende Stackfunktionen implementieren:
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/* * `push`: legt ein Element oben auf den Stack,
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* `pop`: entfernt das oberste Element,
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* `top`: liefert das oberste Element zurück,
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* `clearStack`: gibt den gesamten Speicher frei. */
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// Pushes data as pointer onto the stack.
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StackNode *push(StackNode *stack, void *data)
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{
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|
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}
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|
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// Deletes the top element of the stack (latest added element) and releases its memory. (Pointer to data has to be
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// freed by caller.)
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StackNode *pop(StackNode *stack)
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{
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|
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}
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|
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// Returns the data of the top element.
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void *top(StackNode *stack)
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{
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|
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}
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|
||||
// Clears stack and releases all memory.
|
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void clearStack(StackNode *stack)
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||||
{
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|
||||
}
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@@ -8,13 +8,6 @@ The latest element is taken from the stack. */
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#include <stdlib.h>
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//TODO: passenden Datentyp als struct anlegen
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typedef struct StackNode
|
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{
|
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void *data;
|
||||
struct StackNode *next;
|
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struct StackNode *prev;
|
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}StackNode;
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|
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// Pushes data as pointer onto the stack.
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StackNode *push(StackNode *stack, void *data);
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@@ -1,107 +0,0 @@
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#include <string.h>
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#include "stack.h"
|
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#include "bintree.h"
|
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|
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//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. */
|
||||
|
||||
// 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).
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|
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// Hilfsfunktion: neuen Knoten erstellen und Daten kopieren
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TreeNode* newNode(const void* data, size_t dataSize) {
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TreeNode* node = malloc(sizeof(TreeNode));
|
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if (!node) return NULL;
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|
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node->data = malloc(dataSize);
|
||||
if (!node->data) {
|
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free(node);
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return NULL;
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}
|
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memcpy(node->data, data, dataSize); // Daten kopieren
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node->left = node->right = NULL;
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return node;
|
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}
|
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TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize,
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CompareFctType compareFct, int *isDuplicate)
|
||||
{
|
||||
if (root == NULL) {
|
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*isDuplicate = 0; // kein Duplikat, neuer Knoten
|
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return newNode(data, dataSize); // neuer Knoten wird Wurzel
|
||||
}
|
||||
|
||||
int result = compareFct(data, root->data);
|
||||
|
||||
if (result < 0) {
|
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root->left = addToTree(root->left, data, dataSize, compareFct, isDuplicate);
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||||
} else if (result > 0) {
|
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root->right = addToTree(root->right, data, dataSize, compareFct, isDuplicate);
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} else {
|
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// result == 0 → Duplikat
|
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*isDuplicate = 1;
|
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}
|
||||
|
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return root;
|
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}
|
||||
|
||||
|
||||
// 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.
|
||||
// Use your implementation of a stack to organize the iterator. Push the root node and all left nodes first. On returning the next element,
|
||||
// push the top node and push all its left nodes.
|
||||
// Initialisiert den Stack mit der Wurzel und allen linken Nachfolgern
|
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StackNode* initTraversal(TreeNode* root) {
|
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StackNode* stack = NULL;
|
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TreeNode* current = root;
|
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|
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while (current != NULL) {
|
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stack = push(stack, current);
|
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current = current->left;
|
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}
|
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return stack;
|
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}
|
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void* nextTreeData(StackNode** stack) {
|
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if (*stack == NULL) {
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return NULL; // Traversierung beendet
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|
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// Obersten Knoten holen
|
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TreeNode* node = (TreeNode*)top(*stack);
|
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*stack = pop(*stack);
|
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|
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// Falls rechter Teilbaum existiert, diesen und alle linken Nachfolger auf den Stack legen
|
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TreeNode* current = node->right;
|
||||
while (current != NULL) {
|
||||
*stack = push(*stack, current);
|
||||
current = current->left;
|
||||
}
|
||||
|
||||
return node->data;
|
||||
}}
|
||||
|
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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; // Basisfall: leerer Teilbaum
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|
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// Rekursiv zuerst die Kinder freigeben
|
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clearTree(root->left);
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clearTree(root->right);
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|
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// Daten freigeben
|
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free(root->data);
|
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|
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// Knoten selbst freigeben
|
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free(root);
|
||||
}
|
||||
|
||||
// Returns the number of entries in the tree given by root.
|
||||
unsigned int treeSize(const TreeNode *root)
|
||||
{
|
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if (root == NULL) {
|
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return 0; // Basisfall: leerer Teilbaum
|
||||
}
|
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// Rekursiv: Größe = 1 (aktueller Knoten) + Größe des linken Teilbaums + Größe des rechten Teilbaums
|
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return 1 + treeSize(root->left) + treeSize(root->right);
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}
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||||
@@ -1,57 +0,0 @@
|
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#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <time.h>
|
||||
#include <string.h>
|
||||
#include "numbers.h"
|
||||
#include "bintree.h"
|
||||
|
||||
// TODO: getDuplicate und createNumbers implementieren
|
||||
/* * * Erzeugen eines Arrays mit der vom Nutzer eingegebenen Anzahl an Zufallszahlen.
|
||||
* Sicherstellen, dass beim Befüllen keine Duplikate entstehen.
|
||||
* Duplizieren eines zufälligen Eintrags im Array.
|
||||
* in `getDuplicate()`: Sortieren des Arrays und Erkennen der doppelten Zahl durch Vergleich benachbarter Elemente. */
|
||||
|
||||
// Returns len random numbers between 1 and 2x len in random order which are all different, except for two entries.
|
||||
// Returns NULL on errors. Use your implementation of the binary search tree to check for possible duplicates while
|
||||
// creating random numbers.
|
||||
unsigned int *createNumbers(unsigned int len)
|
||||
{
|
||||
|
||||
int n;
|
||||
printf("Wie viele Zufallszahlen sollen erstellt werden? ");
|
||||
scanf("%d", &n);
|
||||
|
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int array[n];
|
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srand(time(NULL)); // Zufallsgenerator initialisieren
|
||||
|
||||
for (int i = 0; i < n; i++)
|
||||
{
|
||||
int zahl;
|
||||
char vorhanden;
|
||||
|
||||
do
|
||||
{
|
||||
vorhanden = 0;
|
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zahl = rand() % n; // Zufallszahl zwischen 1 und 100
|
||||
|
||||
// Prüfen, ob Zahl schon im Array existiert
|
||||
for (int j = 0; j < i; j++)
|
||||
{
|
||||
if (array[j] == zahl)
|
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{
|
||||
vorhanden = 1;
|
||||
break;
|
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}
|
||||
}
|
||||
} while (vorhanden); // solange wiederholen, bis Zahl einzigartig ist
|
||||
|
||||
array[i] = zahl;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Returns only the only number in numbers which is present twice. Returns zero on errors.
|
||||
unsigned int getDuplicate(const unsigned int numbers[], unsigned int len)
|
||||
{
|
||||
}
|
||||
@@ -1,76 +0,0 @@
|
||||
#include <stdlib.h>
|
||||
#include "stack.h"
|
||||
|
||||
//TODO: grundlegende Stackfunktionen implementieren:
|
||||
/* * `push`: legt ein Element oben auf den Stack,
|
||||
* `pop`: entfernt das oberste Element,
|
||||
* `top`: liefert das oberste Element zurück,
|
||||
* `clearStack`: gibt den gesamten Speicher frei. */
|
||||
|
||||
// Pushes data as pointer onto the stack.
|
||||
StackNode *push(StackNode *stack, void *data)
|
||||
{
|
||||
// Speicher für den neuen Knoten allokieren
|
||||
StackNode *newNode = (StackNode *)malloc(sizeof(StackNode));
|
||||
|
||||
// Prüfen, ob die Allokierung erfolgreich war
|
||||
if (newNode == NULL)
|
||||
{
|
||||
return stack; // Unveränderter Stack bei Fehler
|
||||
}
|
||||
|
||||
// Neuen Knoten initialisieren
|
||||
newNode->data = data;
|
||||
newNode->next = stack; // Zeigt auf die aktuelle Spitze des Stacks
|
||||
|
||||
// Neuen Knoten als neue Spitze des Stacks zurückgeben
|
||||
return newNode;
|
||||
}
|
||||
|
||||
// Deletes the top element of the stack (latest added element) and releases its memory. (Pointer to data has to be
|
||||
// freed by caller.)
|
||||
StackNode *pop(StackNode *stack)
|
||||
{
|
||||
// Prüfen, ob der Stack leer ist
|
||||
if (stack == NULL)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// Zeiger auf den nächsten Knoten speichern (wird zur neuen Spitze)
|
||||
StackNode *newTop = stack->next;
|
||||
|
||||
// Aktuellen obersten Knoten freigeben (aber NICHT die Daten - Verantwortung des Aufrufers)
|
||||
free(stack);
|
||||
|
||||
// Neue Spitze des Stacks zurückgeben
|
||||
return newTop;
|
||||
}
|
||||
|
||||
// Returns the data of the top element.
|
||||
void *top(StackNode *stack)
|
||||
{
|
||||
// Prüfen, ob der Stack leer ist
|
||||
if (stack == NULL)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// Datenzeiger des obersten Knotens zurückgeben
|
||||
return stack->data;
|
||||
}
|
||||
|
||||
// Clears stack and releases all memory.
|
||||
void clearStack(StackNode *stack)
|
||||
{
|
||||
StackNode *current = stack;
|
||||
StackNode *next;
|
||||
|
||||
// Durch alle Knoten iterieren und freigeben
|
||||
while (current != NULL)
|
||||
{
|
||||
next = current->next; // Nächsten Knoten speichern
|
||||
free(current); // Aktuellen Knoten freigeben (aber NICHT die Daten)
|
||||
current = next; // Zum nächsten Knoten weitergehen
|
||||
}
|
||||
}
|
||||
-187
@@ -1,187 +0,0 @@
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <assert.h>
|
||||
#include "stack.h"
|
||||
|
||||
// Hilfsfunktion: Gibt "PASSED" oder "FAILED" aus
|
||||
void printTestResult(const char *testName, int passed)
|
||||
{
|
||||
if (passed)
|
||||
{
|
||||
printf("[PASSED] %s\n", testName);
|
||||
}
|
||||
else
|
||||
{
|
||||
printf("[FAILED] %s\n", testName);
|
||||
}
|
||||
}
|
||||
|
||||
// Test 1: Leerer Stack
|
||||
void test_emptyStack()
|
||||
{
|
||||
StackNode *stack = NULL;
|
||||
|
||||
// Top auf leerem Stack sollte NULL zurückgeben
|
||||
void *result = top(stack);
|
||||
printTestResult("Test 1: top() auf leerem Stack", result == NULL);
|
||||
|
||||
// Pop auf leerem Stack sollte NULL zurückgeben
|
||||
stack = pop(stack);
|
||||
printTestResult("Test 1: pop() auf leerem Stack", stack == NULL);
|
||||
}
|
||||
|
||||
// Test 2: Push und Top
|
||||
void test_pushAndTop()
|
||||
{
|
||||
StackNode *stack = NULL;
|
||||
|
||||
// Integer-Werte allokieren
|
||||
int *val1 = (int *)malloc(sizeof(int));
|
||||
*val1 = 42;
|
||||
|
||||
// Wert auf den Stack legen
|
||||
stack = push(stack, val1);
|
||||
|
||||
// Obersten Wert abrufen
|
||||
int *topVal = (int *)top(stack);
|
||||
int passed = (topVal != NULL && *topVal == 42);
|
||||
printTestResult("Test 2: push() und top()", passed);
|
||||
|
||||
// Aufräumen
|
||||
free(val1);
|
||||
clearStack(stack);
|
||||
}
|
||||
|
||||
//Test 3 mehrmaliges pushen
|
||||
void test_multiplePush()
|
||||
{
|
||||
StackNode *stack = NULL;
|
||||
|
||||
//Speicher für Werte allokieren
|
||||
int *val1 = (int *) malloc(sizeof(int));
|
||||
int *val2 = (int *) malloc(sizeof(int));
|
||||
int *val3 = (int *) malloc(sizeof(int));
|
||||
|
||||
*val1 = 10;
|
||||
*val2 = 20;
|
||||
*val3 = 30;
|
||||
|
||||
//Testwerte auf den Stack legen
|
||||
stack = push(stack, val1);
|
||||
stack = push(stack, val2);
|
||||
stack = push(stack, val3);
|
||||
|
||||
// Oberster Wert sollte 30 sein (LIFO)
|
||||
int *topVal = (int *)top(stack);
|
||||
int passed = (topVal != NULL && *topVal == 30);
|
||||
printTestResult("Test 3: Mehrfache push() - LIFO-Prinzip", passed);
|
||||
|
||||
// Aufräumen
|
||||
free(val1);
|
||||
free(val2);
|
||||
free(val3);
|
||||
clearStack(stack);
|
||||
|
||||
}
|
||||
|
||||
// Test 4: Push und Pop
|
||||
void test_pushAndPop()
|
||||
{
|
||||
StackNode *stack = NULL;
|
||||
|
||||
// Drei Werte auf den Stack legen
|
||||
int *val1 = (int *)malloc(sizeof(int));
|
||||
int *val2 = (int *)malloc(sizeof(int));
|
||||
int *val3 = (int *)malloc(sizeof(int));
|
||||
|
||||
*val1 = 100;
|
||||
*val2 = 200;
|
||||
*val3 = 300;
|
||||
|
||||
stack = push(stack, val1);
|
||||
stack = push(stack, val2);
|
||||
stack = push(stack, val3);
|
||||
|
||||
// Oberster Wert: 300
|
||||
int *topVal1 = (int *)top(stack);
|
||||
int test1 = (topVal1 != NULL && *topVal1 == 300);
|
||||
|
||||
// Pop - neuer oberster Wert: 200
|
||||
stack = pop(stack);
|
||||
int *topVal2 = (int *)top(stack);
|
||||
int test2 = (topVal2 != NULL && *topVal2 == 200);
|
||||
|
||||
// Pop - neuer oberster Wert: 100
|
||||
stack = pop(stack);
|
||||
int *topVal3 = (int *)top(stack);
|
||||
int test3 = (topVal3 != NULL && *topVal3 == 100);
|
||||
|
||||
// Pop - Stack sollte leer sein
|
||||
stack = pop(stack);
|
||||
int test4 = (stack == NULL);
|
||||
|
||||
int passed = test1 && test2 && test3 && test4;
|
||||
printTestResult("Test 4: push() und pop() - Korrekte Reihenfolge", passed);
|
||||
|
||||
// Aufräumen
|
||||
free(val1);
|
||||
free(val2);
|
||||
free(val3);
|
||||
}
|
||||
|
||||
// Test 5: ClearStack
|
||||
void test_clearStack()
|
||||
{
|
||||
StackNode *stack = NULL;
|
||||
|
||||
// Mehrere Werte auf den Stack legen
|
||||
int *val1 = (int *)malloc(sizeof(int));
|
||||
int *val2 = (int *)malloc(sizeof(int));
|
||||
int *val3 = (int *)malloc(sizeof(int));
|
||||
int *val4 = (int *)malloc(sizeof(int));
|
||||
int *val5 = (int *)malloc(sizeof(int));
|
||||
|
||||
*val1 = 1;
|
||||
*val2 = 2;
|
||||
*val3 = 3;
|
||||
*val4 = 4;
|
||||
*val5 = 5;
|
||||
|
||||
stack = push(stack, val1);
|
||||
stack = push(stack, val2);
|
||||
stack = push(stack, val3);
|
||||
stack = push(stack, val4);
|
||||
stack = push(stack, val5);
|
||||
|
||||
// Stack löschen
|
||||
clearStack(stack);
|
||||
stack = NULL; // Nach clearStack ist der Stack leer
|
||||
|
||||
printTestResult("Test 5: clearStack() - Alle Knoten freigegeben", 1);
|
||||
|
||||
// Daten müssen manuell freigegeben werden (Verantwortung des Aufrufers)
|
||||
free(val1);
|
||||
free(val2);
|
||||
free(val3);
|
||||
free(val4);
|
||||
free(val5);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
printf("=== Stack Unit-Tests ===\n\n");
|
||||
|
||||
test_emptyStack();
|
||||
test_pushAndTop();
|
||||
test_multiplePush();
|
||||
test_pushAndPop();
|
||||
test_clearStack();
|
||||
/*test_stressTest();*/
|
||||
|
||||
printf("\n=== Alle Tests abgeschlossen ===\n");
|
||||
printf("\nCode-Review: Speicherverwaltung\n");
|
||||
printf("--------------------------------\n");
|
||||
printf("✓ Aufrufer gibt Daten frei, Stack-Funktionen geben Knoten frei\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user