Trees Definitions: Binary Tree: A binary tree is either empty or it consists of a node called the root together with two binary trees called the left subtree and the right subtree of the root. Node: Each element of a binary tree is called a node of a tree. Father: If A is the root […]
Threaded Binary Trees Threaded Binary Trees are an improvement over Binary Search Trees that uses stack for iterative traversal. If a strategy is introduced such that the leaf node of a binary search tree points to its inorder predecessor or its successor, then direct links (called threads) are obtained to traverse a tree without using […]
In-Threaded-Binary Tree Program to implement In-Threaded Binary Tree: /*In-threaded Binary Tree*/ #include <stdio.h> #include <conio.h> #include <stdlib.h> typedef struct threadedbinarytree { int info; struct threadedbinarytree *left,*right; int lflag,rflag; }tbt; tbt *create(); tbt *makenode(int); tbt *insert(tbt *,tbt *); int inorderSuccessor(tbt *,tbt *); int inorderPredecessor(tbt *,tbt *); void traverseInorder(tbt *); /*Allocate memory*/ tbt *create() { tbt *temp=(tbt […]
Right-In-Threaded Binary Tree Program to implement Right-In-Threaded Binary Tree: /*Right In Threaded Binary Tree*/ #include <stdio.h> #include <conio.h> #include <stdlib.h> typedef struct threadedbinarytree {int info; struct threadedbinarytree *left,*right; int rlink; }TBT; TBT *create(); TBT *makenode(int); TBT *insert(TBT *,TBT *); /*inorder or symmetric order*/ void inorder(TBT *); /*Depth first order*/ void preorder(TBT *); TBT *create() { […]
Left-In-Threaded Binary Tree Program to implement Left-In-Threaded Binary Tree: /*Left In Threaded Binary Tree*/ #include <stdio.h> #include <conio.h> #include <stdlib.h> typedef struct threadedbinarytree {int info; struct threadedbinarytree *left,*right; int lflag; }TBT; TBT *create(); TBT *makenode(int); TBT *insert(TBT *,TBT *); void traverseDescending(TBT *); TBT *create() { TBT *temp=(TBT *)malloc(sizeof(TBT)); if(temp==NULL) {printf(“Memory Allocation Error!”); exit(1); } return […]
Binary Search Tree: Program to implement various operations on Binary Search Tree: /*Binary Search Tree*/ #include <stdio.h> #include <alloc.h> #include <conio.h> #include <stdlib.h> #define MAX 10 /* -OPERATIONS- (i) Creation of a Binary Search Tree (ii) Traversal a) Preorder – Recursive/Iterative b) Inorder – Recursive/Iterative c) Postorder – Recursive/Iterative d) Level by Level (iii) Insertion […]
Binary Search Trees: A Binary Search Tree is a Binary Tree which satisfies the following conditions: The left subtree of the root contains keys smaller than the root. The right subtree of the root contains keys greater than the root. The left and right subtrees are also Binary Search Trees. There are no duplicates in […]
Binary Search Tree A Binary Search Tree is a Binary Tree which satisfies the following conditions: The left subtree of the root contains keys smaller than the root. The right subtree of the root contains keys greater than the root. The left and right subtrees are also Binary Search Trees. There are no duplicates in […]
Advanced Trees Definitions: Red/Black Tree: It was invented by Rudolf Bayer in 1972. Red-black trees are one of the preferred methods of maintaining binary search trees. An n node red-black tree has the height of O(logn). Moreover balancing time for such a tree on account of insertion and deletion is O(logn). A red-black tree is […]
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