Suppose the structure of a Red-Black tree is summarized as in the following table: Node Color Left child Right child 15 Red Nil 20 Black 15 27 Black 20 29 Red Nil 83 Black 29 84 Red Nil Complete the following table by choosing the corresponding nodes after deleting node 20 from the Red-Black tree (based in-order successor approach) Node 15 27 29 83 84 Color Left child Right child + + ◆ ◆ + ◆ ◆ → Nil Nil 83 Nil 84 Nil ◆ ◆ ◆ ◆ ♦ ◆

Suppose the structure of a Red-Black tree is summarized as in the following table: Node Color Left child Right child 15 Red Nil 20 Black 15 27 Black 20 29 Red Nil 83 Black 29 84 Red Nil Complete the following table by choosing the corresponding nodes after deleting node 20 from the Red-Black tree (based in-order successor approach) Node 15 27 29 83 84 Color Left child Right child + + ◆ ◆ + ◆ ◆ → Nil Nil 83 Nil 84 Nil ◆ ◆ ◆ ◆ ♦ ◆

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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A11 The following is a Huffman tree. Each node has a letter and a frequency, such as (T:2), which indicates that "T" has frequency 2, or simply a frequency when it is not a leaf node. In each iteration of Huffman's algorithm, two nodes from the priority queue are dequeued and combined into a new parent node with these nodes as two children and a frequency equal to the sum of their frequencies. (T:2) and (O:3) are combined into a new node with frequency 5 = 2+3 in the first iteration. Q: The sequence 1111011110011101110101001010 is decoded to ?
A binary tree is a data structure where each node has at most two child nodes. The following defines a binary tree where each node stores a book record. The left-child of a node stores a book with an earlier publishing year while the right-child of a node stores a book with a later publishing year. struct book { char* name; int year; } typedef struct tnode { struct book *aBook; struct tnode *left; struct tnode *right; } BTree; Implement the following C functions: • BTree* addBook (BTree* nodeP, char* name, int year): It creates a new BTree if it is empty. Otherwise, it adds the book record to the correct position in the BTree. • void freeBTree (BTree* books). It frees the memory space being allocated for the passed BTree argument. • void printBooks (BTree* books). It prints the books stored in the passed BTree argument in year. Use the following 4 books to test your code: • The C Programming Language, 1990. • JavaScript: The Good Parts, 2008. • Accelerated C++: Practical Programming by…