Implement a binary search function in three substantially different programming languages. In each program (identical, except for the programming language), carry out the same 10,000,000 unsuccessful searches for eight different-sized arrays, namely arrays of sizes 128, 512, 2048, 8192, 32768, 131072, 524288, and 2,097,152. Measure in each of the three programs the time it takes to do the 10,000,000 searches for each of the eight arrays. Compare these timings to the theoretical timings the algorithm binary search provides. Are there differences between the three programs? Explain your timings and observations!!
Answers
Answer:
The code to this question can be defined as follows:
Explanation:
C language code:
#include <stdio.h>//defining header file
int binarySearch(int x[], int l, int y, int z)//defining method binarySearch that accepts four integer parameter
{
if (y >= l)//defining if block that check r value is greater the l
{
int m= l + (y - l)/2; //defining if block that holds mid value of array
if (x[m] == z)//use if block that check value in array
return m;// return array value
if (x[m] > z) //defining if block that check array value greater then x value
return binarySearch(x, l, m-1, z);//use return keyword to call method
return binarySearch(x, m+1, y, z);// in else it use return keyword to call method
}
return -1;//return value -1
}
int main()//defining main method
{
int x[] = {2, 3, 4, 10, 40};//defining array that hold integer values
int n = sizeof(x)/ sizeof(x[0]);//use n variable to hold its size value
int z = 10;//defining x varaiable that hold integer value
int r= binarySearch(x, 0, n-1, z);//use r varaiable to hold method return value
if(r== -1) //defining if block that check its value equal to -1
printf("Number is not foud in array ");//print message
else
printf("Number is present at %d position", r);//print value
return 0;
}
C++ language code:
#include <iostream>// header file
using namespace std;
int binarySearch(int x[], int l, int y, int z)//defining method binarySearch that accepts four integer parameter
{
if (y >= l)//defining if block that check r value is greater the l
{
int m= l + (y - l)/2; //defining if block that holds mid value of array
if (x[m] == z)//use if block that check value in array
return m;// return array value
if (x[m] > z) //defining if block that check array value greater then x value
return binarySearch(x, l, m-1, z);//use return keyword to call method
return binarySearch(x, m+1, y, z);// in else it use return keyword to call method
}
return -1;//return value -1
}
int main()//defining main method
{
int x[] = {2, 3, 4, 10, 40};//defining array that hold integer values
int n = sizeof(x)/ sizeof(x[0]);//use n variable to hold its size value
int z = 10;//defining x varaiable that hold integer value
int r= binarySearch(x, 0, n-1, z);//use r varaiable to hold method return value
if(r== -1) //defining if block that check its value equal to -1
cout<<"Number is not foud in array ";//print message
else
cout<<"Number is present at position "<< r;//print value
return 0;
}
Python language code:
def binarySearch (a, x, r, y):#defining a method binarySearch
if r >= x:#defining if block that checks r is greater than equal to x
m = x + (r - x)//2#defining m variable that hold mid value
if a[m] == y:#use if that check its input value equal y
return m#return m value
elif a[m] > y:#use array that check its value greaterthan y
return binarySearch(a,x, m-1, y) #use return keyword to call method
else:#defining else block
return binarySearch(a, m+1, r, y)#use return keyword to call method
else: #defining else block
return -1#return value -1
a = [ 2, 3, 4, 10, 40 ]#defining list a that holds value
y = 10#defining integer variable
r = binarySearch(a, 0, len(a)-1, y)#defining r variable that holds method value
if r != -1:#use if that check r is not equal to -1
print ("Number is available at ", r," position")#print value
else:#else block
print ("Number is not available in array")#print message
Related Questions
Create a query that lists the total outstanding balances for students on a payment plan and for those students that are not on a payment plan. Show in the query results only the sum of the balance due, grouped by PaymentPian. Name the summation column Balances. Run the query, resize all columns in the datasheet to their best fit, save the query as TotaiBalancesByPian, and then close it.
Answers
A query has been created that lists the total outstanding balances for students on a payment plan and for those students that are not on a payment plan.
In order to list the total outstanding balances for students on a payment plan and for those students that are not on a payment plan, a query must be created in the database management system. Below are the steps that need to be followed in order to achieve the required output:
Open the Microsoft Access and select the desired database. Go to the create tab and select the Query Design option.A new window named Show Table will appear.
From the window select the tables that need to be used in the query, here Student and PaymentPlan tables are selected.Select the desired fields from each table, here we need StudentID, PaymentPlan, and BalanceDue from the Student table and StudentID, PaymentPlan from PaymentPlan table.Drag and drop the desired fields to the Query Design grid.
Now comes the main part of the query that is grouping. Here we need to group the total outstanding balances of students who are on a payment plan and who are not on a payment plan. We will group the data by PaymentPlan field.
The query design grid should look like this:
Now, to show the query results only the sum of the balance due, grouped by PaymentPlan, a new column Balances needs to be created. In the field row, enter Balances:
Sum([BalanceDue]). It will calculate the sum of all balance dues and rename it as Balances. Save the query by the name TotalBalancesByPlan.Close the query design window. The final query window should look like this:
The above image shows that the balance due for Payment Plan A is $19,214.10, while for Payment Plan B it is $9,150.50.
Now, in order to resize all columns in the datasheet to their best fit, select the Home tab and go to the Formatting group. From here select the AutoFit Column Width option.
The final output should look like this:
Thus, a query has been created that lists the total outstanding balances for students on a payment plan and for those students that are not on a payment plan.
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2. How does the internet give us the ability to communicate?
Answers
Answer:
It makes communication a lot easier especially during a time like this. It is cost effective and it increases productivity.
Explanation:
Discuss the various ways you can classify and quantify risk. Keep in mind that this evaluation is often subjective and it is important to understand that sometimes you have to make judgement calls and/or enlist the assistance of others to help make this determination.
Answers
Risk classification and quantification are essential components of risk management. Here are various ways to classify and quantify risk:
1. Qualitative Classification: Involves assigning subjective descriptions to risks based on their impact, likelihood, or other factors. Risks can be classified as low, medium, or high, or ranked based on qualitative scales such as low, moderate, or severe.
2. Quantitative Classification: Involves assigning numerical values to risks based on specific criteria. This can include assigning probabilities to the likelihood of occurrence, estimating potential financial losses, or using mathematical models to calculate risk scores.
3. Risk Categories: Risks can be classified into categories based on their nature, such as operational, financial, legal, or strategic risks. Categorizing risks helps in understanding their sources and implementing targeted risk mitigation strategies.
4. Risk Impact: Risks can be classified based on their potential impact on project objectives, organizational goals, or stakeholder interests. They can be categorized as minor, moderate, or catastrophic based on the extent of harm or disruption they can cause.
5. Risk Probability: Risks can be classified based on their likelihood of occurrence, ranging from rare to frequent. This helps in prioritizing risks for mitigation efforts.
It's important to note that risk assessment involves subjective judgments and may require the input of various stakeholders with different perspectives and expertise. Collaboration and discussions among team members, experts, and decision-makers are crucial to make informed determinations about risk classification and quantification.
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Which search strategy is most similar to greedy search?
A.
depth-first search
B.
breadth-first search
C.
bidirectional search
D.
uniform-cost search
Answers
Answer:
I think the answer would be A.
Explanation:
If I'm wrong plz let me know (I think I may be wrong)
How can we tell the computer both what to put on
the web page, and how to organize it?
Answers
There is only 1 answer. Code. You have to code the web page if you want to put stuff on it/organize it.
We instruct the computer and tell how to organize the web-page through Coding.
Coding in essence, means the language that instruct computer and these are used to develop application, websites, software and so on.
In order to learn how to code, you must follow certain procedure:
Learning the Basics of HTML and Understanding Document Structure Learn about the CSS Selectors Knowing how to put together a CSS Stylesheet etc.In conclusion, instruction given to computer to organize a Web-page and communication with the system are made possible through coding.
Learn more here
brainly.com/question/19535447
what is government to business
Answers
Source: https://snov.io/glossary/g2b/
File
Home
Insert
Formulas
Data
Review
View
Automate
Help
Editing
Calibri Light
16
B
Bra Av
2
CS
General
G
A
B
С
D
E
F
L
H
1
3
3 In cell D7, create a formula that calculates the tax for the invoice. Us
a
sales tax rate of 7.5%
SABROSA
Catering Invoice
Sabrosa Empanadas & More
1202 Biscayne Bay Drive
Orlando, FL 32804
Invoice #:
6710A Date:
10/15/20
In cell Ds, create a formula that finds the total for the order. In other
this formula should add cells D3:07.
Empanadas & More
1
In cell D9 create a formula that calculates the total after a 10% disco
you need help understanding how to take a percentage off of a total
LINE TOTAL
2 MENU ITEM
3 Empanadas: Buffalo Chicken
4 Empanadas: Braised Short Rib
5 Empanadas: Fig and Goat Cheese
6 Sides: Black beans and rice
7
UNIT PRICE
$2.98
$2.98
$3.75
$1.98
QUANTITY
20
30
25
40
TAX
8
TOTAL
TOTAL AFTER DISCOUNT:
9
+
Catering Invoice Catering Subtotal challenge
C Mode tomate Workbook to
Helo improve Office
100%
-
Answers
Explanation:
formula should add cells D3:07.
Empanadas & More
1
In cell D9 create a formula that calculates the total after a 10% disco
you need help understanding how to take a percentage off of a total
LINE TOTAL
2 MENU ITEM
3 Empanadas: Buffalo Chicken
4 Empanadas: Braised Short Rib
5 Empanadas: Fig and Goat Cheese
6 Sides: Black beans and rice
7
UNIT PRICE
$2.98
$2.98
$3.75
$1.98
QUANTITY
20
30
25
40
TAX
8
TOTAL
VOTE: STARWARS, STAR TREK, MARVEL, STRANGER THINGS. OR IT ?
Answers
Answer: stranger things
Explanation:
Stranger things all the way
What is application software used for?
A. To make certain tasks easier for the computer user
B. To help computer users fill out employment applications
C. To help computer users apply their knowledge in new ways
D. To make certain tasks more challenging for the computer user
Answers
Answer: c
Explanation:
Help pls.
Write python 10 calculations using a variety of operations. Have a real-life purpose for each calculation.
First, use Pseudocode and then implement it in Python.
For example, one calculation could be determining the number of gallons of gas needed for a trip based on the miles per gallon consumed by a car.
Answers
A python program that calculates the number of gallons of gas needed for a trip based on the miles per gallon consumed by a car is given below:
The Programdef printWelcome():
print ('Welcome to the Miles per Gallon program')
def getMiles():
miles = float(input('Enter the miles you have drove: '))
return miles
def getGallons():
gallons = float(input('Enter the gallons of gas you used: '))
return gallons
def printMpg(milespergallon):
print ('Your MPG is: ', str(milespergallon))
def calcMpg(miles, gallons):
mpg = miles / gallons
return mpg
def rateMpg(mpg):
if mpg < 12:
print ("Poor mpg")
elif mpg < 19:
print ("Fair mpg")
elif mpg < 26:
print ("Good mpg")
else:
print ("Excellent mpg")
if __name__ == '__main__':
printWelcome()
print('\n')
miles = getMiles()
if miles <= 0:
print('The number of miles cannot be negative or zero. Enter a positive number')
miles = getMiles()
gallons = getGallons()
if gallons <= 0:
print('The gallons of gas used has to be positive')
gallons = getGallons()
print('\n')
mpg = calcMpg(miles, gallons)
printMpg(mpg)
print('\n')
rateMpg(mpg)
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Chuck Yeager was the first human being
a. to travel around the world.
b. to fly faster than the speed of light.
c. to fly faster than the speed of sound.
d. to race a car faster than 200 miles per hour.
Answers
Answer:
c. to fly faster than the speed of sound.
Explanation:
Hi! Here's a quick summary of "Chuck Yeager's" accomplishments to provide evidence to the answer.
Chuck Yeager is an American test pilot who was the first person to break the sound barrier — the point where a speeding object (such as an airplane) passes the speed of sound. Yeager made his history-setting flight on Oct. 14, 1947 in an airplane he dubbed Glamorous Glennis, after his first wife.
Hope this helps and have a nice day!
what are the uses of joystick
Answers
Will there be another season in Star vs the forces of evil?
Answers
Answer: no the creator anounced that there will not be a fifth season
Explanation:
Some scientists hypothesize that Earth's ozone layer is being damaged by ____.
a.
ultraviolet radiation
c.
plant life on Earth
b.
chlorofluorocarbons
d.
global warming
Please select the best answer from the choices provided
A
B
C
D
Answers
Some scientists hypothesize that Earth's ozone layer is being damaged by the emission of certain chemical compounds known as ozone-depleting substances (ODS), such as chlorofluorocarbons (CFCs).
b. chlorofluorocarbonsWhat are ozone-depleting substances (ODS)?These substances have been widely used in various industrial processes, aerosol propellants, refrigerants, and fire suppression systems. When released into the atmosphere,
CFCs can reach the stratosphere and interact with ozone molecules, leading to their depletion and thinning of the ozone layer. Ultraviolet radiation is a consequence of ozone layer depletion, and global warming, while impacting the Earth's climate, is not directly linked to ozone layer damage.
Plant life on Earth plays a vital role in oxygen production and carbon dioxide absorption but is not a direct cause of ozone layer depletion.
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Additional rows and columns are inserted into a table using the
tab.
o Table Tools Design
o Insert Table
o Table Tools Layout
o Table Tools Insert
Answers
what is the first things u do upon seeing this sheet?
Answers
Answer:
umm ok
Explanation:
plz mark brainlyest
What kind of variable is measured using 2 different values
Answers
A variable that is measured using two different values can be classified as a categorical variable or a binary variable.
Depending on the nature of the values, a variable can be classified as:
1)Categorical Variable: If the two different values represent distinct categories or groups, the variable is considered categorical. In this case, the variable can take on only one of two possible values.
Examples include gender (male/female), presence/absence of a certain trait, yes/no responses, or any other classification with mutually exclusive categories.
2)Binary Variable: If the two different values represent two distinct outcomes or states, the variable can be classified as a binary variable. Binary variables are often used in statistics, machine learning, and hypothesis testing.
Examples include success/failure, true/false, 1/0, or positive/negative results.
It's important to note that the distinction between categorical and binary variables lies in the nature of the values and the underlying meaning they convey.
Categorical variables can have more than two categories, while binary variables specifically refer to variables with only two possible values.
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education is better than money give point
Answers
Answer:
yes education is better than money
Explanation:
money isn't everything
Algorithm:
Suppose we have n jobs with priority p1,…,pn and duration d1,…,dn as well as n machines with capacities c1,…,cn.
We want to find a bijection between jobs and machines. Now, we consider a job inefficiently paired, if the capacity of the machine its paired with is lower than the duration of the job itself.
We want to build an algorithm that finds such a bijection such that the sum of the priorities of jobs that are inefficiently paired is minimized.
The algorithm should be O(nlogn)
My ideas so far:
1. Sort machines by capacity O(nlogn)
2. Sort jobs by priority O(nlogn)
3. Going through the stack of jobs one by one (highest priority first): Use binary search (O(logn)) to find the machine with smallest capacity bigger than the jobs duration (if there is one). If there is none, assign the lowest capacity machine, therefore pairing the job inefficiently.
Now my problem is what data structure I can use to delete the machine capacity from the ordered list of capacities in O(logn) while preserving the order of capacities.
Your help would be much appreciated!
Answers
To solve the problem efficiently, you can use a min-heap data structure to store the machine capacities.
Here's the algorithm:Sort the jobs by priority in descending order using a comparison-based sorting algorithm, which takes O(nlogn) time.
Sort the machines by capacity in ascending order using a comparison-based sorting algorithm, which also takes O(nlogn) time.
Initialize an empty min-heap to store the machine capacities.
Iterate through the sorted jobs in descending order of priority:
Pop the smallest capacity machine from the min-heap.
If the machine's capacity is greater than or equal to the duration of the current job, pair the job with the machine.
Otherwise, pair the job with the machine having the lowest capacity, which results in an inefficient pairing.
Add the capacity of the inefficiently paired machine back to the min-heap.
Return the total sum of priorities for inefficiently paired jobs.
This algorithm has a time complexity of O(nlogn) since the sorting steps dominate the overall time complexity. The min-heap operations take O(logn) time, resulting in a concise and efficient solution.
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Select the correct answer from each drop-down menu.
Noah recently installed a proprietary software application on his home computer. Under the terms of the license, he must renew his subscription to the application every year. What type of license does the application have?
The application has_______ type of license. It is different from a perpetual license since this type of license has________
Answers
Answer:1 and 3 Explanation:
Answer:
The application has
(non-perpetual license)
type of license. It is different from a perpetual license since this type of license has
(no expiration date)
.Explanation:
Module 7: Final Project Part II : Analyzing A Case
Case Facts:
Virginia Beach Police informed that Over 20 weapons stolen from a Virginia gun store. Federal agents have gotten involved in seeking the culprits who police say stole more than 20 firearms from a Norfolk Virginia gun shop this week. The U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives is working with Virginia Beach police to locate the weapons, which included handguns and rifles. News outlets report they were stolen from a store called DOA Arms during a Tuesday morning burglary.
Based on the 'Probable Cause of affidavit' a search warrant was obtained to search the apartment occupied by Mr. John Doe and Mr. Don Joe at Manassas, Virginia. When the search warrant executed, it yielded miscellaneous items and a computer. The Special Agent conducting the investigation, seized the hard drive from the computer and sent to Forensics Lab for imaging.
You are to conduct a forensic examination of the image to determine if any relevant electronic files exist, that may help with the case. The examination process must preserve all evidence.
Your Job:
Forensic analysis of the image suspect_ImageLinks to an external site. which is handed over to you
The image file suspect_ImageLinks to an external site. ( Someone imaged the suspect drive like you did in the First part of Final Project )
MD5 Checksum : 10c466c021ce35f0ec05b3edd6ff014f
You have to think critically, and evaluate the merits of different possibilities applying your knowledge what you have learned so far. As you can see this assignment is about "investigating” a case. There is no right and wrong answer to this investigation. However, to assist you with the investigation some questions have been created for you to use as a guide while you create a complete expert witness report. Remember, you not only have to identify the evidence concerning the crime, but must tie the image back to the suspects showing that the image came from which computer. Please note: -there isn't any disc Encryption like BitLocker. You can safely assume that the Chain of custody were maintained.
There is a Discussion Board forum, I enjoy seeing students develop their skills in critical thinking and the expression of their own ideas. Feel free to discuss your thoughts without divulging your findings.
While you prepare your Expert Witness Report, trying to find answer to these questions may help you to lead to write a conclusive report : NOTE: Your report must be an expert witness report, and NOT just a list of answered questions)
In your report, you should try to find answer the following questions:
What is the first step you have taken to analyze the image
What did you find in the image:
What file system was installed on the hard drive, how many volume?
Which operating system was installed on the computer?
How many user accounts existed on the computer?
Which computer did this image come from? Any indicator that it's a VM?
What actions did you take to analyze the artifacts you have found in the image/computer? (While many files in computer are irrelevant to case, how did you search for an artifacts/interesting files in the huge pile of files?
Can you describe the backgrounds of the people who used the computer? For example, Internet surfing habits, potential employers, known associates, etc.
If there is any evidence related to the theft of gun? Why do you think so?
a. Possibly Who was involved? Where do they live?
b. Possible dates associated with the thefts?
Are there any files related to this crime or another potential crime? Why did you think they are potential artifacts? What type of files are those? Any hidden file? Any Hidden data?
Please help me by answering this question as soon as possible.
Answers
In the case above it is vital to meet with a professional in the field of digital forensics for a comprehensive analysis in the areas of:
Preliminary StepsImage Analysis:User Accounts and Computer Identification, etc.What is the Case Facts?First steps that need to be done at the beginning. One need to make sure the image file is safe by checking its code and confirming that nobody has changed it. Write down who has had control of the evidence to show that it is trustworthy and genuine.
Also, Investigate the picture file without changing anything using special investigation tools. Find out what type of system is used on the hard drive. Typical ways to store files are NTFS, FAT32 and exFAT.
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The rectangular symbol in flowchart
is used to denote dash
Answers
Answer:
The rectangular symbol in flowchart is process box which is used to process the data.
Hope its helpful :-)
If so, please mark me as brainlist :-)
Select the correct answer from each drop-down menu.
What are the functions of system software?
System software enables a computer's hardware to perform tasks and functions as a platform for
an interface between the computer's hardware and
software. It also acts an interface between the computers hardware and?
Answers
Answer:
Explanation manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.
How is LUA different from Python?
Give an example.
Answers
This is the answer I couldn't write it here since brainly said it contained some bad word whatever.
Answer:
good old brainly think stuff is bad word even tho it is not had to use txt file since brainly think code or rblx is bad word
what subject can you find in the house?
Answers
In a house, you can find various subjects or objects related to different areas of knowledge. Some common subjects that you can find in a house include:
Architecture and Design: The structure and layout of the house itself, including the architectural design, interior design elements, and spatial arrangement.
Construction and Engineering: The materials used in building the house, construction techniques, plumbing and electrical systems, and other engineering aspects.
Home Economics: The study of managing and maintaining a household, including topics such as cooking, cleaning, laundry, budgeting, and home organization.
Interior Decoration: The art and science of decorating and arranging the interior spaces of a house, including furniture, color schemes, artwork, and accessories.
Thus, there are so many subjects that can be found at home.
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Dr. Jobst is gathering information by asking clarifying questions. Select the example of a leading question.
"How often do you talk to Dorian about his behavior?"
"Has Dorian always seemed lonely?"
"Did Dorian ever get into fights in second grade?"
"What are some reasons that you can think of that would explain Dorian's behavior?"
Answers
"Did Dorian ever get into fights in second grade?"
An example of a leading question is: "Did Dorian ever get into fights in second grade?" Therefore, option C is correct.
Leading questions are questions that are framed in a way that suggests or encourages a particular answer or direction. They are designed to influence the respondent's perception or show their response toward a desired outcome. Leading questions can unintentionally or intentionally bias the answers given by the person being questioned.
Leading questions may include specific words or phrases that guide the respondent toward a particular answer.
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Your company has three divisions. Each group has a network, and all the networks are joined together. Is this still a LAN?
Answers
No, this is not a LAN anymore (Local Area Network). A local area network, or LAN, is a type of network that links devices in a restricted region, like a campus or a single building.
Which kind of network connects a business?Several LANs are linked together by a WAN, or wide area network. It is perfect for businesses as they expand because it is not location-restricted in the same way that LANs are. They make it possible to communicate with various audiences and might be crucial for global businesses.
If your client just has a small number of computer units, what kind of network would you suggest?This paradigm works well in contexts where tight security is not required, such as tiny networks with only a few computers.
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Prior to the invention of the WIMP interface, users often interacted with systems through _____ interfaces. Group of answer choices Audio Touch Command-based GUI
Answers
Answer:
comment Line Interface
(the command-based option)
Explanation:
Not an expert so the answer might be wrong
Prior to the invention of the WIMP interface, users often interacted with systems through command-line interfaces. Thus, the correct option is C.
What is Command Line Interface?A command-line interpreter or command-line processor is the device and expert who uses a command-line interface to receive all the commands from a user in the form of lines of texts. This command provides a means of setting parameters for the environment, including invoking of the executables and providing information to them as to what actions they are required to perform.
User interfaces are the commands which may be of three types including command line interface, graphic user interface, and menu-driven interface. Programmers, experienced computer users, or administrators are the people who may utilize a command line interface.
Therefore, the correct option is C.
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Drag and drop the code statements to create a code segment that will prompt the user for a letter. Every time that letter appears in the word, the index value (or position) of the letter is displayed. If the letter is not found in the word, “not found” will display. The variable found is used as a flag to indicate the letter was found in the word.
Answers
The code statement and the related code segments are given below.
What is the code statement for the response?The required codes are given as follows:
letter = input("Enter a letter: ")
word = "supercalifragilisticexpialidocious"
index = 0
found = False
for char in word:
if char == letter:
print("Letter found at index:", index)
found = True
index = index + 1
if not found:
print("Not found")
In this code segment, the user is prompted to enter a letter which is stored in the variable letter. The variable word stores the word "supercalifragilisticexpialidocious" that we will search for the letter. The index variable is used to keep track of the position of the letter in the word. The found variable is initially set to False, and is used as a flag to indicate whether the letter was found in the word or not.
The for loop iterates over each character in the word, and checks if the character is equal to the input letter. If the character matches the letter, it prints the index of that character, sets found to True, and continues to the next character. The index variable is incremented in every iteration of the loop.
If the loop completes without finding the letter, the found variable will still be False, and the program will print "Not found" to indicate that the letter was not found in the word.
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A number is a palindrome if its reversal is the same as itself. Write a program ReverseNumber.java to do the following:
1. Define a method call reverse, which takes a 4-digit integer and returns an integer in reverse. For example, reverse(1234) should return 4321. (Hint: use / and % operator to separate the digits, not String functions)
2. In the main, take user input of a series of numbers, call reverse method each time and then determine if the number is a palindrome number, for example, 1221 is a palindrome number, but 1234 is not.
3. Enhance reverse method to work with any number, not just 4-digit number.
Answers
The reverse method takes an integer as input and reverses it by extracting the last digit using the modulus operator % and adding it to the reversed number after multiplying it by 10.
The Programimport java.util.Scanner;
public class ReverseNumber {
public static int reverse(int number) {
int reversedNumber = 0;
while (number != 0) {
int digit = number % 10;
reversedNumber = reversedNumber * 10 + digit;
number /= 10;
}
return reversedNumber;
}
public static boolean isPalindrome(int number) {
return number == reverse(number);
}
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Enter a number: ");
int number = scanner.nextInt();
if (isPalindrome(number)) {
System.out.println(number + " is a palindrome number.");
} else {
System.out.println(number + " is not a palindrome number.");
}
}
}
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