aboutsummaryrefslogtreecommitdiff
path: root/linkedlist/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'linkedlist/main.c')
-rw-r--r--linkedlist/main.c165
1 files changed, 165 insertions, 0 deletions
diff --git a/linkedlist/main.c b/linkedlist/main.c
new file mode 100644
index 0000000..1d17923
--- /dev/null
+++ b/linkedlist/main.c
@@ -0,0 +1,165 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "stack.h"
+#include "list.h"
+
+struct node
+{
+ struct node* nextS;
+ struct node* nextB;
+ int data;
+};
+
+struct node* root;
+
+struct node** getSmallest(struct node** _root)
+{
+ struct node** current = _root;
+
+ while((*current)->nextS)
+ current = &((*current)->nextS);
+
+ return current;
+}
+
+struct node removeNode(int _data)
+{
+ struct node **current = &root;
+ struct node *removeNode = NULL;
+ struct node **newRoot = NULL;
+ struct node returnNode;
+
+ while((*current)->data != _data)
+ current = (*current)->data < _data ? &(*current)->nextB : &(*current)->nextS;
+
+
+ printf("node to remove:%i\n", (*current)->data);
+ removeNode = *current;
+
+ if(removeNode->nextB)
+ {
+ newRoot = getSmallest(&removeNode->nextB);
+ *current = *newRoot;
+ *newRoot = (*newRoot)->nextB;
+
+ (*current)->nextS = removeNode->nextS;
+ (*current)->nextB = removeNode->nextB;
+ }
+ else
+ *current = (*current)->nextS;;
+
+ returnNode = *removeNode;
+ free(removeNode);
+
+ return returnNode;
+}
+
+void insert(int _data)
+{
+ struct node** current = &root;
+ struct node* new = malloc(sizeof(*new));
+
+ new->nextS = NULL;
+ new->nextB = NULL;
+ new->data=_data;
+
+ while (*current)
+ current = (*current)->data > _data ? &((*current)->nextS) : &((*current)->nextB);
+
+ *current = new;
+}
+
+void draw(void)
+{
+ struct node* current = root;
+ struct node* stackTop = NULL;
+ struct stack* stackpointer = NULL;
+ int depth = 0;
+
+ stack_init(&stackpointer);
+
+start:
+
+ while (current)
+ {
+ stack_add( (void*) current , &stackpointer);
+
+ int i;
+ for(i = 0; i < depth; i++)
+ printf(" ");
+
+ printf("|:%i\n", current->data);
+
+ current = current->nextS;
+
+ depth++;
+ }
+nextinstack:
+
+ stackTop = (struct node*)stack_get(&stackpointer);
+ if(!stackTop)
+ return;
+
+ current = stackTop->nextB;
+
+ if(current)
+ goto start;
+
+ depth --;
+ goto nextinstack;
+}
+
+void balance()
+{
+ struct node *current = root;
+ struct node *stackTop = NULL;
+ struct stack *stackpointer = NULL;
+ struct list *listroot = NULL;
+
+
+ stack_init(&stackpointer);
+ list_init(&listroot);
+
+ //Create Inorder List
+start:
+ while(current)
+ {
+ stack_add( (void*) current, &stackpointer);
+ current = current->nextS;
+ }
+
+ stackTop = (struct stack*) stack_pop(&stackpointer);
+ stackTop ? current = stackTop->nextB :;
+
+ if(current)
+ {
+ list_add(current->data, &listroot);
+ goto start;
+ }
+
+ //TODO Balance
+
+}
+
+int main(int argc, char* argv[])
+{
+ root = NULL;
+
+ insert(7);
+ insert(5);
+ insert(10);
+ insert(11);
+ insert(1);
+
+ //draw();
+ balance();
+
+ printf("balanced");
+ //removeNode(7);
+
+ //draw();
+
+ printf("%i is the smallest obejct\n", (*getSmallest(&root))->data);
+ return 0;
+}