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1. In this problem, assume all integers and pointers occupy 4 bytes. The assumption that we count represent pair-counts with triples (ij,c) for the pair i,j with count c does not account for the space needed to build an efficient data structure to find i-j pairs when we need them. Suppose we use a binary search tree, where each node is a quintuple (i,j,c,leftChild,rightChild). Suppose also that there are I items, and P pairs that actually appear in the data. Under what circumstances does it save space to use the above binary-search tree rather than a triangular matrix? O a) I= 10,000; P = 12,000,000 O b) I= 100,000; P = 900,000,000 %3D O c) I= 1000; P = 120,000 O d) I= 200,000; P = 5,000,000,000

1. In this problem, assume all integers and pointers occupy 4 bytes. The assumption that we count represent pair-counts with triples (ij,c) for the pair i,j with count c does not account for the space needed to build an efficient data structure to find i-j pairs when we need them. Suppose we use a binary search tree, where each node is a quintuple (i,j,c,leftChild,rightChild). Suppose also that there are I items, and P pairs that actually appear in the data. Under what circumstances does it save space to use the above binary-search tree rather than a triangular matrix? O a) I= 10,000; P = 12,000,000 O b) I= 100,000; P = 900,000,000 %3D O c) I= 1000; P = 120,000 O d) I= 200,000; P = 5,000,000,000

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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1. In this problem, assume all integers and pointers occupy 4 bytes. The assumption that we count represent pair-counts with triples (ij,c) for the pair i, j with count c does not account for the space needed to build an efficient data structure to find i-j pairs when we need them. Suppose we use a binary search tree, where each node is a quintuple (ij,c,leftChild,rightChild). Suppose also that there are I items, and P pairs that actually appear in the data. Under what circumstances does it save space to use the above binary-search tree rather than a triangular matrix? O a) I= 10,000; P = 12,000,000 O b) I= 100,000; P = 900,000,000 %3D c) I= 1000; P = 120,000 O d) I= 200,000; P = 5,000,000,000
Transcribed Image Text:1. In this problem, assume all integers and pointers occupy 4 bytes. The assumption that we count represent pair-counts with triples (ij,c) for the pair i, j with count c does not account for the space needed to build an efficient data structure to find i-j pairs when we need them. Suppose we use a binary search tree, where each node is a quintuple (ij,c,leftChild,rightChild). Suppose also that there are I items, and P pairs that actually appear in the data. Under what circumstances does it save space to use the above binary-search tree rather than a triangular matrix? O a) I= 10,000; P = 12,000,000 O b) I= 100,000; P = 900,000,000 %3D c) I= 1000; P = 120,000 O d) I= 200,000; P = 5,000,000,000
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