void Postorder(node *root) {
if(root==NULL) return;
Postorder(root->left);
Postorder(root->right);
printf("%d ", root->data);
}
void Postorder(node *root) {
if (root == NULL) return;
Postorder(root -> left);
Postorder(root -> right);
cout << root -> data << " ";
}
void Postorder(btNode* pRoot)
{
if(pRoot == NULL)
return;
Postorder(pRoot->left);
Postorder(pRoot->right);
cout<<pRoot->data<<"\t";
}
/* Visita em Postorder */
void Postorder(arv_bin * root )
{
if (root)
{ Postorder(root->left);
Postorder(root->right);
printf("\n Pos-Ordem:: %s\t||\t %d" ,root->info, root->ordem);
}
}
void Postorder(AVLTree tree)
{
if(tree != NULL)
{
Postorder(tree->left);
Postorder(tree->right);
printf("%d ", tree->value);
}
}
void Postorder(Node * arr, int ind)
{
if ((&arr[ind]) -> lc != -1)
Postorder(arr, (&arr[ind]) -> lc);
if ((&arr[ind]) -> rc != -1)
Postorder(arr, (&arr[ind]) -> rc);
printf("%d ", ind);
}
void Postorder(BSTNode * current)
{
if(current!=NULL){
Postorder(current->left);
Postorder(current->right);
std::cout << current->id << " " ;
}
}
void BinaryTree::Postorder(Node* temp)
{
if (temp!=NULL)
{
Postorder(temp->left);
Postorder(temp->right);
std::cout << temp->data << " ";
}
}
//后序遍历(递归)
void Postorder(BiTree T)
{
if(T)
{
Postorder(T->lch);
Postorder(T->fright);
printf("%c ",T->data);
}
}
//后序遍历 （递归）
void Postorder (struct BiNode *T)
{
if(T) {
Postorder(T->lch);
Postorder(T->rch);
printf(" %c",T->data);
}
}
void Postorder(int *arr, int index)
{
if(arr[index] == -1) {
return ;
}
Postorder(arr, index*2 + 1);
Postorder(arr, index*2 + 2);
printf("%d ", arr[index]);
}
void Postorder(treeNode *node)
{
if (node == NULL) {
return;
}
Postorder(node -> left);
Postorder(node -> right);
printf("%d ", node -> data);
}
void Postorder(node *root)
{
if (root==NULL) return;
// Post Order traversal = Left-Right-Data
// Recurse
Postorder(root->left);
Postorder(root->right);
cout<<(root->data)<<" ";
}
void Postorder(tree *root)
{
if(root)
{
Postorder(root->left);
Postorder(root->right);
printf(" %d ",root->data);
}
return;
}
void Postorder(node *root) {
std::stack<node*> nodeStack;
if(root != NULL){
nodeStack.push(root);
}
Postorder(root->left);
Postorder(root->right);
while(!nodeStack.empty()){
cout << nodeStack.top()->data << " ";
nodeStack.pop();
}
}
void Postorder(nodeT *p, int level)
{
int i;
if (p != NULL)
{
Postorder(p->left, level + 1);
Postorder(p->right, level + 1);
for (i = 0; i <= level; i++)
printf(" "); /* for nice listing */
printf("%d\n", p->data);
}
}
int main()
{
treeNode *root = NULL;
root = Insert(root, 5);
root = Insert(root, -1);
root = Insert(root, 3);
root = Insert(root, -14);
root = Insert(root, 8);
root = Insert(root, 10);
root = Insert(root, 9);
root = Insert(root, 6);
printf("\nBefore Deletion BST in Inorder traversal\n ");
Inorder(root);
printf("\n\n");
root = Delete(root,5);
root = Delete(root,-1);
printf("After Deletion BST\n");
printf("\nInorder traversal\n");
Inorder(root);
printf("\nPreorder traversal\n");
Preorder(root);
printf("\nPostorder traversal\n");
Postorder(root);
}
int main()
{
//建树
struct BiNode *T,*root;
T = root;
printf("The fuction Create() is called.\n");
Create(T);
//三种遍历递归算法
printf("\n");
printf("The fuction Preorder() is called.\n");
Preorder(root);
printf("\n");
printf("The fuction Inorder() is called.\n");
Inorder(root);
printf("\n");
printf("The fuction Postorder() is called.\n");
Postorder(root);
printf("\n");
return 0;
}
void Display(AVLTree root)
{
printf("\n前序遍历: ");
Preorder(root);
printf("\n中序遍历: ");
Inorder(root);
printf("\n后序遍历: ");
Postorder(root);
printf("\n");
}
void Postorder(Node * h, double * x, double * y)
{
if (h == NULL)
return;
Postorder(h -> lc, x, y);
Postorder(h -> rc, x, y);
if (h -> cut == 'V' || h -> cut == 'H')
printf("%c", h -> cut);
else
{
printf("(%le,%le)", h -> width, h-> height);
if (*x == -1)
{
*x = h -> x;
*y = h -> y;
}
}
}
// print the tree in preorder, inorder, and postorder form;
void print_tree(int *arr)
{
printf("Preorder: ");
Preorder(arr, 0);
puts("");
printf("Inorder: ");
Inorder(arr, 0);
puts("");
printf("Postorder: ");
Postorder(arr, 0);
puts("");
}
void Display(AVLTree root)
{
printf("\n== 前序遍历: ");
Preorder(root);
printf("\n== 中序遍历: ");
Inorder(root);
printf("\n== 后序遍历: ");
Postorder(root);
printf("\n");
printf("== 高度: %d\n", AVLHeight(root));
printf("== 最小值: %d\n", AVLMin(root)->value);
printf("== 最大值: %d\n", AVLMax(root)->value);
}
int main (int argc, char * * argv)
{
if (argc != 3)
{
printf("\nInvalid number of arguments\n");
return EXIT_FAILURE;
}
char * in_file = argv[1];
char * out_file = argv[2];
// arr is an array implementation of a binary tree
// the root node is the node of index num_n
Node * head = Load_File(in_file);
clock_t pack_t = clock();
Find_Area(head);
double x_new = 0;
double y_prev = head -> height;
Find_Coords(head, &x_new, &y_prev);
pack_t = clock() - pack_t;
double x = -1;
double y = -1;
printf("\nPreorder: \n");
Preorder(head);
printf("\n\nInorder: \n");
Inorder(head);
printf("\n\nPostorder: \n");
Postorder(head, &x, &y);
printf("\n\nWidth: %le\nHeight: %le\n", head -> width, head -> height);
printf("\nX-coordinate: %le\nY-coordinate:%le\n", x, y);
printf("\nElapsed Time: %le\n\n", ((double) pack_t) / CLOCKS_PER_SEC);
FILE * f = fopen(out_file, "w");
Save_File(f, head);
fclose(f);
Tree_Destroy(head);
return EXIT_SUCCESS;
}
int
main(void)
{
Bitree Root;
Root = Build_Full_Bintree1(Get_Bintree_floors());
Init_tree_data(Root);
Preorder(Root);
printf("\n");
Inorder(Root);
printf("\n");
Postorder(Root);
printf("\n");
Unrecursive_Preorder(Root);
Unrecursive_Inorder(Root);
Unrecursive_Postorder(Root);
Levelorder(Root);
return 0;
}
int main()
{
//建树
printf("The function CreateTree() is called.\n");
BiTree T;
CreateTree(T);
//三种遍历递归算法
printf("\n");
printf("The fuction Preorder() is called.\n");
Preorder(T);
printf("\n");
printf("The fuction Inorder() is called.\n");
Inorder(T);
printf("\n");
printf("The fuction Postorder() is called.\n");
Postorder(T);
printf("\n");
system("pause");
}
int main()
{
#if 1
AddNode(&pRoot,4);
AddNode(&pRoot,6);
AddNode(&pRoot,2);
AddNode(&pRoot,3);
AddNode(&pRoot,5);
AddNode(&pRoot,7);
AddNode(&pRoot,1);
//SubTree
pRootSub = getbtNode(2);
pRootSub->left = getbtNode(1);
pRootSub->right = getbtNode(3);//true subtree case
//pRootSub->right = getbtNode(4);//fasle subtree case
#else//for Sum Tree
pRoot = getbtNode(30);
pRoot->left = getbtNode(10);
pRoot->right = getbtNode(5);
pRoot->left->left = getbtNode(6);
pRoot->left->right = getbtNode(4);
pRoot->right->right = getbtNode(3);
pRoot->right->left = getbtNode(2);
#endif
cout<<endl<<"##########################################################################################################"<<endl;
cout<<"Inorder Traversal ::"<<endl;
Inorder(pRoot);
cout<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<"Preorder Traversal ::"<<endl;
Preorder(pRoot);
cout<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<"Postorder Traversal ::"<<endl;
Postorder(pRoot);
cout<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<"Level Order Traversal ::"<<endl;
LOrder(pRoot);
cout<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<"Size of the Tree ::"<<endl;
cout<<GetTreeSize(pRoot);
cout<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<"Height of the Tree ::"<<endl;
cout<<GetTreeHeight(pRoot);
cout<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
#if 0
DeleteTree(&pRoot);
AddNode(&pRoot,1);
cout<<"Inorder Traversal after Deletion::"<<endl;
Inorder(pRoot);
cout<<endl;
#endif
MirrorTree(pRoot);
cout<<"Inorder Traversal after MirrorTree operation::"<<endl;
Inorder(pRoot);
cout<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
MirrorTree(pRoot);
cout<<"Inorder Traversal after MirrorTree operation for second time::"<<endl;
Inorder(pRoot);
cout<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<"Max Element of the Tree ::"<<endl;
cout<<MaxTreeElement(pRoot);
cout<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
int path[7];
cout<<"Root To Leaf Paths ::"<<endl;
RootToLeafPath(pRoot,path,0);
cout<<endl<<"##########################################################################################################"<<endl;
cout<<"Number of Leaf Nodes::"<<NumberOfLeafNodes(pRoot)<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<"Ancestors of 7 are ::"<<endl;
GetAncestors(pRoot,7);
cout<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<"CheckSumTree ::"<<IsSumTree(pRoot)<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<endl<<"Lowest Common Ancestor of 1 and 3 ::"<<LCA(pRoot,1,3)->data<<endl;
cout<<endl<<"Lowest Common Ancestor of 1 and 7 ::"<<LCA(pRoot,1,7)->data<<endl;
cout<<endl<<"Lowest Common Ancestor of 4 and 6 ::"<<LCA(pRoot,4,6)->data<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<endl<<"Tree has Path Sum 9 ::"<<hasPathSum(pRoot,9)<<endl;
cout<<endl<<"Tree has Path Sum 100 ::"<<hasPathSum(pRoot,100)<<endl;
cout<<endl<<"Tree has Path Sum 15 ::"<<hasPathSum(pRoot,15)<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
cout<<endl<<"Subtree ::"<<IsSubTree(pRoot,pRootSub)<<endl;
cout<<endl<<"##########################################################################################################"<<endl;
return 0;
}
Coord * Pack(Node * arr, int size, int num_b, double * x_tot, double * y_tot)
{
Coord * crd = malloc(sizeof(Coord) * (num_b + 1));
if (size == 1)
{
*x_tot = 0;
*y_tot = 0;
(&crd[1]) -> x = 0;
(&crd[1]) -> y = 0;
}
printf("\nPreorder: ");
Preorder(arr, size);
printf("\n\nInorder: ");
Inorder(arr, size);
printf("\n\nPostorder: ");
Postorder(arr, size);
double xt = 0;
double max_h = 0;
printf("\n\nCoords1: ");
Find_Coords1(crd, arr, size, x_tot, &max_h);
*y_tot += max_h;
max_h = 0;
printf("\n\nCoords2: ");
Find_Coords2(crd, arr, size, &xt, &max_h, *y_tot);
*y_tot += max_h;
max_h = 0;
if (xt > *x_tot)
*x_tot = xt;
xt = 0;
printf("\n\nCoords3: ");
Find_Coords3(crd, arr, size, &xt, &max_h, *y_tot);
*y_tot += max_h;
max_h = 0;
if (xt > *x_tot)
*x_tot = xt;
xt = 0;
printf("\n\nCoords4: ");
Find_Coords4(crd, arr, size, &xt, &max_h, *y_tot);
*y_tot += max_h;
if (xt > *x_tot)
*x_tot = xt;
printf("\n\nWidth: %le", *x_tot);
printf("\nHeight: %le", *y_tot);
printf("\n\nX-coordinate: %le", (&crd[num_b]) -> x);
printf("\nY-coordinate: %le", (&crd[num_b]) -> y);
return crd;
}
/* Main Function of Binary tree */
int main()
{
int ch,f,data;
tree *root;
root=createTree();
queue *Q;
Q=create();
while(1){
printf("\n<1> Insert, ");
printf("<2> Delete , ");
printf("<3> PreOrder, ");
printf("<4> InOrder, \n");
printf("<5> PostOrder,");
printf("<6> Delete Tree");
printf("<7> Height/Depth of tree, \n ");
printf("<8> Maximum Node, ");
printf("<9> Total Nodes Of Tree, ");
printf("<10>LevelOrder traversal\n");
printf("<0>Exit, Choice: ");
scanf("%d",&ch);
switch(ch){
case 1:
printf("\tNode Value :");
scanf("%d",&data);
Insert(&root,data);
break;
case 2:
printf("\tNode To Delete :");
scanf("%d",&data);
f=Delete(&root,data);
if(f)
printf("Deleted Node:%d\n",f);
break;
case 3:
Preorder(root);
break;
case 4:
Inorder(root);
break;
case 5:
Postorder(root);
break;
case 6:
DeleteTree(root);
root=createTree();
break;
case 7:
f=heightOfBinary(root);
printf("\n(Non-recursive)Height/Depth OfBinary : %d\n",f);
// f=depthOfBinary(root);
// printf("(Recursive)Height/Depth OfBinary : %d\n",f);
break;
case 8:
f=findMaxValue(root);
printf("Maximum Value OfBinary : %d\n",f);
break;
case 9:
f=sizeOfBinary(root);
printf("Number of Nodes: %d\n",f);
break;
case 10:
printf("\n");
f=LevelOrderTraverse(root);
printf("\n\nNumber of Nodes : %d\n",f);
break;
case 0:
DeleteTree(root);
exit(0);
break;
default :
printf("\tInvalid Choice\n");
}
}
}