Question Consider the searching problem: Input: A sequence of n numbers A = (a1, a2, a3, ….., an ) a value V. Output: An index i such that v = A[i] or the special value NIL if v does not appear in A. Write pseudocode for linear search, which scans through the sequence, looking for v. Using a loop invariant, prove that your algorithm is correct. Make sure that your loop invariant fulfills the three necessary properties.
Question Consider the searching problem: Input: A sequence of n numbers A = (a1, a2, a3, ….., an ) a value V. Output: An index i such that v = A[i] or the special value NIL if v does not appear in A. Write pseudocode for linear search, which scans through the sequence, looking for v. Using a loop invariant, prove that your algorithm is correct. Make sure that your loop invariant fulfills the three necessary properties.
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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Question Consider the searching problem:
Input: A sequence of n numbers A = (a1, a2, a3, ….., an ) a value V.
Output: An index i such that v = A[i] or the special value NIL if v does not appear in A.
Write pseudocode for linear search, which scans through the sequence, looking for v. Using a loop invariant, prove that your
illustrate the operation of merge sort on the array
A = {3; 41; 52; 26; 38; 57; 9; 49}.
Answer the following short questions:
- a) Is 2n+1 = O(2n)?
- b) Is 22n = O(2n)?
- c) f(n)=O(g(n)) implies g(n)=O(f(n))
- d) f(n) = O((f(n))2)
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