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filename and functionname updated

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Amit 2020-06-11 19:47:53 +05:30
parent e63c806f25
commit e77581f788
1 changed files with 19 additions and 18 deletions
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37
data_structures/binary_trees/Threaded_Binary_Tree.c
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@ -42,7 +42,7 @@ node *create_node(int data) {
* param[in,out] root pointer to node pointer to the topmost node of the tree * param[in,out] root pointer to node pointer to the topmost node of the tree
* param[in] data value to be inserted into the tree * param[in] data value to be inserted into the tree
*/ */
void insert_BT(node **root, int data) { void insert_bt(node **root, int data) {
node *new_node = create_node(data); node *new_node = create_node(data);
node *temp; // to be deleted node *temp; // to be deleted
node *prev; // keeps track of the parent of the element deleted node *prev; // keeps track of the parent of the element deleted
@ -94,7 +94,7 @@ void search(node *root, int ele) {
printf("%s\n", "Element found."); printf("%s\n", "Element found.");
} }
/* /**
* performs inorder traversal * performs inorder traversal
* param[in] curr node pointer to the topmost node of the tree * param[in] curr node pointer to the topmost node of the tree
*/ */
@ -106,37 +106,37 @@ void inorder_display(node *curr) {
} }
} }
/* /**
* performs postorder traversal * performs postorder traversal
* param[in] curr node pointer to the topmost node of the tree * param[in] curr node pointer to the topmost node of the tree
*/ */
void postorder_BT(node *curr) { void postorder_display(node *curr) {
if (curr != NULL) { if (curr != NULL) {
postorder_BT(curr->llink); postorder_display(curr->llink);
postorder_BT(curr->rlink); postorder_display(curr->rlink);
printf("%d\t", curr->data); printf("%d\t", curr->data);
} }
} }
/* /**
* performs preorder traversal * performs preorder traversal
* param[in] curr node pointer to the topmost node of the tree * param[in] curr node pointer to the topmost node of the tree
*/ */
void preorder_BT(node *curr) { void preorder_display(node *curr) {
if (curr != NULL) { if (curr != NULL) {
printf("%d\t", curr->data); printf("%d\t", curr->data);
preorder_BT(curr->llink); preorder_display(curr->llink);
preorder_BT(curr->rlink); preorder_display(curr->rlink);
} }
} }
/* /**
* deletion of a node from the tree * deletion of a node from the tree
* if the node isn't present in the tree, it takes no action. * if the node isn't present in the tree, it takes no action.
* param[in,out] root pointer to node pointer to the topmost node of the tree * param[in,out] root pointer to node pointer to the topmost node of the tree
* param[in] ele value to be deleted from the tree * param[in] ele value to be deleted from the tree
*/ */
void delete_BT(node **root, int ele) { void delete_bt(node **root, int ele) {
node *temp; node *temp;
node *prev; node *prev;
if (*root == NULL) if (*root == NULL)
@ -192,10 +192,10 @@ void delete_BT(node **root, int ele) {
} }
} }
/* /**
* main function * main function
*/ */
void main() { int main() {
printf("BINARY THREADED TREE: \n"); printf("BINARY THREADED TREE: \n");
node *root = NULL; node *root = NULL;
int choice, n; int choice, n;
@ -213,24 +213,24 @@ void main() {
case 1: case 1:
printf("%s\n", "Enter a no:"); printf("%s\n", "Enter a no:");
scanf("%d", &n); scanf("%d", &n);
insert_BT(&root, n); insert_bt(&root, n);
break; break;
case 2: case 2:
inorder_display(root); inorder_display(root);
printf("\n"); printf("\n");
break; break;
case 3: case 3:
preorder_BT(root); preorder_display(root);
printf("\n"); printf("\n");
break; break;
case 4: case 4:
postorder_BT(root); postorder_display(root);
printf("\n"); printf("\n");
break; break;
case 5: case 5:
printf("%s\n", "Enter a no:"); printf("%s\n", "Enter a no:");
scanf("%d", &n); scanf("%d", &n);
delete_BT(&root, n); delete_bt(&root, n);
break; break;
case 6: case 6:
printf("%s\n", "Enter a no:"); printf("%s\n", "Enter a no:");
@ -239,4 +239,5 @@ void main() {
break; break;
} }
} while (choice != 0); } while (choice != 0);
return 0;
} }