Question #24 comparisons in any merge sort of 2k elements is at mostk2* – 2k+1. Give a specific example of a list of length 2*,that reverses a sequence; that is, upon input of aị, a2,23. [BB] To output the distinct items of a given list a1, a2.d how long it takes to drive between any two delivery points.Problem, will be encounterad again, Here,o minimize total traveling time? This prob-very points. She knows how long it takes to drive from the bak-- a2,and- 2k + 1 comparisons are requiredwhere precisely k2*..., an, the following method is proposed. For esearch the elements preceding az and, ifoutput a. Show that this algorithm can bewith O(log n!) comparisons.i re-is not found,accomplishedaklistsor-- 1algorithm24. Modify the Bubble Sort Algorithm to find ancars..., an, the algorithm outputs the sequence an, an-1,a2, a1. How many swaps are required? Give a Big Ohestimate of complexity.susor-hmffi-rch25. [BB] It is suggested that one way of searching for a num-ber x in a given unordered list is first to sort the list usinga merge sort and then to use a binary search algorithm. Isthis more or less efficient than a linear search?prered26. Given a list a1, a2, . , an, each item of which is 0 or 1, itis desired to put the list into increasing order. Would youuse one of the sorting methods discussed in this section,or is there a better method? Explain.purorofutations and Combinationslistseluxe Bakery has to deliver bread to many supermarkets scal-arge metropolitan area. She has a map showing the precisethative

Bubble sort is the sorting algorithm that arranges the elements in either ascending order (from…

24. Modify the Bubble Sort Algorithm to find an algorithm that reverses a sequence; that is, upon input of a o ..., an, the algorithm outputs the sequence an, an-1,. a2, a1. How many swaps are required? Give a Big Ob estimate of complexity.

24. Modify the Bubble Sort Algorithm to find an algorithm that reverses a sequence; that is, upon input of a o ..., an, the algorithm outputs the sequence an, an-1,. a2, a1. How many swaps are required? Give a Big Ob estimate of complexity.

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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Concept explainers

Counting sort

The counting sort algorithm sorts an array’s contents by counting the repetition of each element that occurs in the array. A counting sort algorithm is a stable algorithm that works the best when the range of elements in the array is small, say for example from 0 to 9. The count which is the number of repetitions of an element in the array is mapped to an index of an auxiliary array, which is then saved in an auxiliary array. The counting sort algorithm has a stable time complexity of the order of O(size of array + size of auxiliary array). Let’s discuss the algorithm in detail as follows.

Question

Question #24

comparisons in any merge sort of 2k elements is at most
k2* – 2k+1. Give a specific example of a list of length 2*,
that reverses a sequence; that is, upon input of aị, a2,
23. [BB] To output the distinct items of a given list a1, a2.
d how long it takes to drive between any two delivery points.
Problem, will be encounterad again, Here,
o minimize total traveling time? This prob-
very points. She knows how long it takes to drive from the bak-
- a2,
and
- 2k + 1 comparisons are required
where precisely k2*
..., an, the following method is proposed. For e
search the elements preceding az and, if
output a. Show that this algorithm can be
with O(log n!) comparisons.
i re-
is not found,
accomplished
ak
lists
or-
- 1
algorithm
24. Modify the Bubble Sort Algorithm to find an
cars
..., an, the algorithm outputs the sequence an, an-1,
a2, a1. How many swaps are required? Give a Big Oh
estimate of complexity.
sus
or-
hm
ffi-
rch
25. [BB] It is suggested that one way of searching for a num-
ber x in a given unordered list is first to sort the list using
a merge sort and then to use a binary search algorithm. Is
this more or less efficient than a linear search?
pre
red
26. Given a list a1, a2, . , an, each item of which is 0 or 1, it
is desired to put the list into increasing order. Would you
use one of the sorting methods discussed in this section,
or is there a better method? Explain.
pur
or
of
utations and Combinations
lists
eluxe Bakery has to deliver bread to many supermarkets scal-
arge metropolitan area. She has a map showing the precise
that
ive

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