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14 changed files with 90 additions and 623 deletions

11
.gitignore vendored
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@ -1,11 +0,0 @@
doble_initial.exe
highscores.txt
runStackTest.exe
stack.o
runNumbersTest.exe
numbers.o
.vscode/launch.json
.vscode/settings.json
*.o
*.exe
runBintreeTest

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@ -1,11 +1,8 @@
#include <string.h>
#include <stdio.h>
#include "stack.h"
#include "bintree.h"
static StackNode *stack;
static TreeNode *tree = NULL;
// TODO: binären Suchbaum implementieren
//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),
@ -15,43 +12,7 @@ static TreeNode *tree = NULL;
// 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)
{
if (root == NULL)
{
TreeNode *newNode = malloc(sizeof(TreeNode));
newNode->data = malloc(dataSize);
if (newNode->data == NULL)
{
return NULL; // Fehler
}
memcpy(newNode->data, data, dataSize);
newNode->left = NULL;
newNode->right = NULL;
return newNode;
}
int cmp = compareFct(root->data, data);
if (cmp < 0)
{
root->left = addToTree(root->left, data, dataSize, compareFct, isDuplicate);
}
else if (cmp > 0)
{
root->right = addToTree(root->right, data, dataSize, compareFct, isDuplicate);
}
else
{
if (isDuplicate != NULL)
{
*isDuplicate = 1;
return root;
}
else
{
root->left = addToTree(root->left, 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.
@ -59,56 +20,17 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
// push the top node and push all its left nodes.
void *nextTreeData(TreeNode *root)
{
if (root != NULL)
{
clearStack(stack);
buildStack(root);
}
if(stack != NULL)
{
void* data = top(stack);
stack = pop(stack);
return data;
}
return NULL;
}
// Releases all memory resources (including data copies).
void clearTree(TreeNode *root)
{
if (root == NULL)
{
return;
}
if (root->left != NULL)
{
clearTree(root->left);
free(root->left);
root->left = NULL;
}
if (root->right != NULL)
{
clearTree(root->right);
free(root->right);
root->right = NULL;
}
root = NULL;
}
// Returns the number of entries in the tree given by root.
unsigned int treeSize(const TreeNode *root)
{
return root == NULL ? 0 : treeSize(root->left) + treeSize(root->right) + 1;
}
void buildStack(TreeNode *root)
{
if (root == NULL)
{
return;
}
buildStack(root->left);
stack = push(stack, root->data);
buildStack(root->right);
}

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@ -24,6 +24,4 @@ void clearTree(TreeNode *root);
// Returns the number of entries in the tree given by root.
unsigned int treeSize(const TreeNode *root);
void buildStack(TreeNode *root);
#endif

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@ -79,8 +79,6 @@ int addHighscore(const char *name, double timeInSeconds, unsigned int len)
{
HighscoreEntry entry = createHighscoreEntry(name, calculateScore(timeInSeconds, len));
highscoreTree = addToTree(highscoreTree, &entry, sizeof(entry), compareHighscoreEntries, NULL);
//HighscoreEntry *temp = highscoreTree->data;
//printf("%s%d\n", temp->name, temp->score);
return entry.score;
}

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@ -1,5 +1 @@
nick;9963
nick;9946
simon;4965
alex;2996
simon;2996
player1;3999

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@ -29,26 +29,14 @@ program_obj_files = stack.o bintree.o numbers.o timer.o highscore.o
doble : main.o $(program_obj_files)
$(CC) $(FLAGS) $^ -o doble
$(program_obj_filesobj_files): %.o: %.c
$(program_obj_files): %.o: %.c
$(CC) -c $(FLAGS) $^ -o $@
# --------------------------
# Unit Tests
# --------------------------
stackTests: stack.o test_stack.c $(unityfolder)/unity.c
$(CC) $(FLAGS) -I$(unityfolder) -o runStackTest test_stack.c stack.o $(unityfolder)/unity.c
# --------------------------
# numbers.c Tests
# --------------------------
numbersTests: numbers.o bintree.o stack.o test_numbers.c $(unityfolder)/unity.c
$(CC) $(FLAGS) -I$(unityfolder) -o runNumbersTest test_numbers.c numbers.o bintree.o stack.o $(unityfolder)/unity.c
# --------------------------
# bintree.c Tests
# --------------------------
bintreeTests: bintree.o stack.o test_bintree.c $(unityfolder)/unity.c
$(CC) $(FLAGS) -I$(unityfolder) -o runBintreeTest test_bintree.c bintree.o stack.o $(unityfolder)/unity.c
unitTests:
echo "needs to be implemented"
# --------------------------
# Clean

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@ -5,7 +5,7 @@
#include "numbers.h"
#include "bintree.h"
// TODO: getDuplicate und createNumbers implementieren
//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.
@ -14,97 +14,13 @@
// 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.
void duplicateNumber(unsigned int *numbers, unsigned int len)
{
if (!numbers || len < 2)
return;
unsigned int numberPicked = rand() % len; // take random spot in array
unsigned int destination = rand() % len; // new spot for duplicated number
while (destination == numberPicked) // while same spot get a new one
destination = rand() % len;
numbers[destination] = numbers[numberPicked];
}
/* for qsort
-1 num1 should come before num2
0 num1 and num2 are equal
1 num1 should come after num2
*/
int compare(const void *num1, const void *num2)
{
unsigned int temp1 = *(const unsigned int *)num1;
unsigned int temp2 = *(const unsigned int *)num2;
return (temp1 > temp2) - (temp1 < temp2);
}
unsigned int *createNumbers(unsigned int len)
{
if (len < 2)
{
return NULL;
}
srand((unsigned)time(NULL));
TreeNode *root = NULL;
unsigned int i = 0;
unsigned int *numbers = malloc(sizeof(unsigned int) * len);
if (!numbers)
{
return NULL;
}
while (i < len)
{
unsigned int random = (rand() % (2 * len)) + 1;
int duplicate = 0;
root = addToTree(root, &random, sizeof(unsigned int), compare, &duplicate);
if (!root)
{
free(numbers); // malloc-Fehler
return NULL;
}
if (!duplicate)
numbers[i++] = random;
}
duplicateNumber(numbers, len);
clearTree(root);
return numbers;
}
// Returns the only number in numbers which is present twice. Returns zero on errors.
// 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)
{
if (!numbers || len < 2)
{
return 0;
}
unsigned int *copy = (unsigned int *)malloc(len * sizeof(unsigned int));
if (!copy)
{
return 0;
}
memcpy(copy, numbers, len * sizeof(unsigned int));
qsort(copy, len, sizeof(unsigned int), compare);
unsigned int duplicate = 0;
for (unsigned int i = 1; i < len; i++)
{
if (copy[i] == copy[i - 1])
{
duplicate = copy[i];
break;
}
}
free(copy);
return duplicate;
}

26
stack.c
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@ -1,7 +1,7 @@
#include <stdlib.h>
#include "stack.h"
// TODO: grundlegende Stackfunktionen implementieren:
//TODO: grundlegende Stackfunktionen implementieren:
/* * `push`: legt ein Element oben auf den Stack,
* `pop`: entfernt das oberste Element,
* `top`: liefert das oberste Element zurück,
@ -10,44 +10,24 @@
// Pushes data as pointer onto the stack.
StackNode *push(StackNode *stack, void *data)
{
StackNode *newNode = malloc(sizeof(StackNode));
newNode->data = data;
newNode->next = stack; // Set the new node's next pointer to the current top of the stack.
return newNode; // Return the new node as the top of the stack.
}
// 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)
{
if (stack == NULL)
{
return NULL; // Nothing to pop if stack is empty.
}
StackNode *tempNode = stack;
stack = stack->next; // Move the stack pointer to the next node.
free(tempNode); // Free the old top node.
return stack;
}
// Returns the data of the top element.
void *top(StackNode *stack)
{
if (stack == NULL)
{
return NULL; // Return NULL if stack is empty.
}
return stack->data; // Return the value of the top node.
}
// Clears stack and releases all memory.
void clearStack(StackNode *stack)
{
while (stack != NULL)
{
stack = pop(stack); // Pop each element and free memory.
}
}

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@ -8,10 +8,6 @@ The latest element is taken from the stack. */
#include <stdlib.h>
//TODO: passenden Datentyp als struct anlegen
typedef struct Node {
void *data;
struct Node* next;
} StackNode;
// Pushes data as pointer onto the stack.
StackNode *push(StackNode *stack, void *data);

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@ -1,80 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include "bintree.h"
#include "unity.h"
void sizeTest()
{
TreeNode *root = (TreeNode *)malloc(sizeof(TreeNode));
TreeNode *node1 = (TreeNode *)malloc(sizeof(TreeNode));
TreeNode *node2 = (TreeNode *)malloc(sizeof(TreeNode));
int dataRoot = 2;
int dataNode1 = 1;
int dataNode2 = 3;
root->data = &dataRoot;
root->left = (TreeNode *)node1;
root->right = (TreeNode *)node2;
node1->data = &dataNode1;
node1->left = NULL;
node1->right = NULL;
node2->data = &dataNode2;
node2->left = NULL;
node2->right = NULL;
TEST_ASSERT_EQUAL_INT(3,treeSize(root));
}
void clearTest()
{
TreeNode *root = (TreeNode *)malloc(sizeof(TreeNode));
TreeNode *node1 = (TreeNode *)malloc(sizeof(TreeNode));
TreeNode *node2 = (TreeNode *)malloc(sizeof(TreeNode));
int dataRoot = 2;
int dataNode1 = 1;
int dataNode2 = 3;
root->data = &dataRoot;
root->left = (TreeNode *)node1;
root->right = (TreeNode *)node2;
node1->data = &dataNode1;
node1->left = NULL;
node1->right = NULL;
node2->data = &dataNode2;
node2->left = NULL;
node2->right = NULL;
clearTree(root);
root = NULL;
TEST_ASSERT_EQUAL_INT(0,treeSize(root));
}
void setUp(void)
{
// Falls notwendig, kann hier Vorbereitungsarbeit gemacht werden
}
void tearDown(void)
{
// Hier kann Bereinigungsarbeit nach jedem Test durchgeführt werden
}
int main()
{
UNITY_BEGIN();
printf("============================\nNumbers tests\n============================\n");
RUN_TEST(sizeTest);
RUN_TEST(clearTest);
return UNITY_END();
}

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@ -1,70 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include "numbers.h"
#include "unity.h"
void test_createNumbers()
{
unsigned int len = 6;
unsigned int *array = createNumbers(len);
TEST_ASSERT_NOT_NULL(array);
unsigned int duplicate = getDuplicate(array, len);
TEST_ASSERT_NOT_EQUAL(0, duplicate);
int counter = 0;
for (unsigned int i = 0; i < len; i++)
{
if (array[i] == duplicate)
counter++;
}
TEST_ASSERT_EQUAL(2, counter);
free(array);
}
void test_createNumbers_values()
{
unsigned int len = 6;
unsigned int *array = createNumbers(len);
TEST_ASSERT_NOT_NULL(array);
for (unsigned int i = 0; i < len; i++)
{
TEST_ASSERT_TRUE(array[i] >= 1);
TEST_ASSERT_TRUE(array[i] <= 2 * len);
}
free(array);
}
void test_getDuplicate()
{
unsigned int array[6] = {1, 2, 4, 4, 6, 7};
unsigned int duplicate = getDuplicate(array, 6);
TEST_ASSERT_EQUAL_UINT(4, duplicate);
}
void setUp(void)
{
// Falls notwendig, kann hier Vorbereitungsarbeit gemacht werden
}
void tearDown(void)
{
// Hier kann Bereinigungsarbeit nach jedem Test durchgeführt werden
}
int main()
{
UNITY_BEGIN();
printf("\n============================\n Numbers tests\n============================\n");
RUN_TEST(test_createNumbers);
RUN_TEST(test_createNumbers_values);
RUN_TEST(test_getDuplicate);
return UNITY_END();
}

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@ -1,156 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include "stack.h"
#include "unity.h"
void test_push(void) {
StackNode *stack = NULL;
int data1 = 10, data2 = 20;
// Push elements to the stack
stack = push(stack, &data1);
stack = push(stack, &data2);
// Check if the stack is not empty
TEST_ASSERT_NOT_NULL(stack);
// Check if the top element is correct
int *topData = top(stack);
TEST_ASSERT_EQUAL_INT(20, *topData); // The last pushed element should be on top
}
void test_push1(void)
{
StackNode *testNode = NULL;
int data = 1;
// Test für leeren Stack
testNode = push(testNode, &data);
TEST_ASSERT_NOT_NULL(&testNode);
TEST_ASSERT_NULL(testNode->next);
int *temp = testNode->data;
TEST_ASSERT_EQUAL_INT(1, *temp);
data = 2;
// Test für nicht leeren Stack
testNode = push(testNode, &data);
TEST_ASSERT_NOT_NULL(&testNode);
TEST_ASSERT_NOT_NULL(testNode->next);
TEST_ASSERT_NULL(testNode->next->next);
temp = testNode->data;
TEST_ASSERT_EQUAL_INT(2, *temp);
testNode = testNode->next;
temp = testNode->data;
TEST_ASSERT_EQUAL_INT(1, *temp);
}
StackNode* setup(void *data, StackNode* next) {
StackNode* node = malloc(sizeof(StackNode)); // allocate memory on heap
if (node == NULL) {
perror("malloc failed");
exit(EXIT_FAILURE); // or handle the error differently
}
node->data = data;
node->next = next;
return node;
}
void test_pop(void) {
StackNode *stack = NULL;
int data1 = 10, data2 = 20;
// Push elements to the stack
stack = push(stack, &data1);
stack = push(stack, &data2);
// Pop the top element
stack = pop(stack);
// Check if the top element is now the first pushed element
int *topData = top(stack);
TEST_ASSERT_EQUAL_INT(10, *topData); // After popping, the first element should be on top
// Pop the last element
stack = pop(stack);
// Check if the stack is empty now
TEST_ASSERT_NULL(stack); // Stack should be NULL now
}
void test_pop2(void)
{
int x,y,z;
x = 1;
y = 2;
z = 3;
StackNode* node2 = setup(&z, NULL);
StackNode* node1 = setup(&y, node2);
StackNode* header = setup(&x, node1);
StackNode* temp;
temp = pop(header);
int after = 0;
while(temp)
{
after++;
temp = temp->next;
}
TEST_ASSERT_EQUAL_INT(2, after);
TEST_ASSERT_NULL(node1->next);
}
void test_top(void) {
StackNode *stack = NULL;
int data1 = 10, data2 = 20;
// Push elements to the stack
stack = push(stack, &data1);
stack = push(stack, &data2);
// Check the top element
int *topData = top(stack);
TEST_ASSERT_EQUAL_INT(20, *topData); // The top element should be 20 (last pushed)
// Pop the top element and check the new top
stack = pop(stack);
topData = top(stack);
TEST_ASSERT_EQUAL_INT(10, *topData); // Now the top element should be 10
}
void test_top2(void)
{
int x,y,z;
x = 1;
y = 2;
z = 3;
StackNode* node2 = setup(&z, NULL);
StackNode* node1 = setup(&y, node2);
StackNode* header = setup(&x, node1);
int data = *(int *)top(header);
TEST_ASSERT_EQUAL_INT(node2->data, data);
}
void setUp(void)
{
// Falls notwendig, kann hier Vorbereitungsarbeit gemacht werden
}
void tearDown(void)
{
// Hier kann Bereinigungsarbeit nach jedem Test durchgeführt werden
}
int main()
{
UNITY_BEGIN();
printf("============================\nStack tests\n============================\n");
RUN_TEST(test_push);
RUN_TEST(test_pop);
RUN_TEST(test_top);
return UNITY_END();
}

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@ -1,10 +0,0 @@
#ifndef UNITTTESTS_H
#define UNITTTESTS_H
#include <stdio.h>
typedef int (*UnitTestType)(void);
#define RUN_UNIT_TEST(fct) printf("%80s: %d\n", #fct, fct())
#endif