The complexity of the algorithm for adding n×n matrices in terms of big O notation is O(n^2).
Algorithm for adding n×n matrices in terms of big O notation is O(n^2):The algorithm for adding n×n matrices is explained below: Algorithm for adding n×n matrices:1. Start2.
Initialize the number of rows and columns of the matrices to n.3. Initialize two matrices A and B of size n×n with random values.4. Initialize a matrix C of size n×n to store the sum of matrices A and B.5. for (i=0;i
To know more about algorithm visit:
brainly.com/question/33233484
#SPJ11
Consider a processor that goes through the following six stages while executing an instruction. The duration of each stage (in ps ) is given underneath it: Also consider the following instruction snippet: add $0,$s1,$s2 add $s1,$s2,$s3 sub $2,$50,$s1 Iw $t2,20($t1) add $4,$t2,$t2 Now answer the following questions:
The total duration of executing the given instruction snippet can be calculated by summing up the durations of individual stages for each instruction.
What is the total duration of executing the given instruction snippet?To calculate the total duration, we need to consider the duration of each stage for each instruction in the snippet.
For the first instruction, "add $0,$s1,$s2", let's assume the durations for each stage are as follows:
Stage 1: 200 ps
Stage 2: 150 ps
Stage 3: 250 ps
Stage 4: 100 ps
Stage 5: 300 ps
Stage 6: 150 ps
Similarly, we can assume durations for the remaining instructions.
Now, we sum up the durations of all stages for each instruction:
add $0,$s1,$s2: 200 + 150 + 250 + 100 + 300 + 150 = 1,150 ps
add $s1,$s2,$s3: ...
sub $2,$50,$s1: ...
lw $t2,20($t1): ...
add $4,$t2,$t2: ...
Finally, we sum up the durations of all instructions to obtain the total duration:
Total Duration = 1,150 ps + ... + duration of remaining instructions
Learn more about total duration
brainly.com/question/28544439
#SPJ11
The following code will load in the list of 'L' stops and create the ll −
stations_df DataFrame: l −
stops_df =pd.read_csv('CTA_list_of_L_stops.cSV' ) station_bools = l_stops_df[['MAP_ID', 'ADA', 'RED', 'BLUE', 'G', 'BRN', 'P', 'Pexp', 'Y', 'Ph k ′
, ′
0 ′
] ]. groupby('MAP_ID'). any() n ′
]]\ .merge(station_bools, how='left', left_on='MAP_ID', right_index=True). drop_duplicates () A journalist has contacted you to perform data analysis for an article they're writing about CTA ridership. They want to investigate how the CTA serves the North and South sides of Chicago. They've provided you two datasets with ridership information and station information, but they need to merge them together to connect ridership data with location data. The Location column is currently stored as a string. Parse the Location column into a Latitude and Longitude column using a regular expression and the pandas. Series(). str. split() method to replace the parentheses. Convert the now split numbers to numeric data types. What character needs to be placed before a parenthesis in a regular expression to escape the parenthesis? / # " 1
To escape parentheses in a regular expression, the character that needs to be placed before a parenthesis is a backslash (\).
In regular expressions, parentheses are special characters used for grouping or capturing patterns. If you want to treat parentheses as literal characters and match them in a string, you need to escape them by placing a backslash before them. This tells the regular expression engine to interpret them as regular characters rather than special symbols.
In the given scenario, the journalist needs to parse the Location column in the dataset to extract the Latitude and Longitude information. To achieve this, regular expressions can be used along with the pandas `str.split()` method. Before applying the regular expression, it is necessary to escape the parentheses in the pattern to ensure they are treated as literal characters.
By placing a backslash (\) before each parenthesis in the regular expression pattern, such as `\(` and `\)`, the parentheses will be treated as literal characters to be matched in the string.
After escaping the parentheses, the pandas `str.split()` method can be used to split the Location column based on the regular expression pattern. The resulting split numbers can then be converted to numeric data types using pandas' built-in conversion functions.
By correctly escaping the parentheses in the regular expression pattern, the journalist will be able to parse the Location column and extract the Latitude and Longitude information effectively.
Learn more about regular expressions
brainly.com/question/12973346
#SPJ11
Cant read the text? Switch theme 2. Sales Data for All Customers and Products Write a query that will return sales details of all customers and products. The query should return all customers, even customers without invoices and also all products, even those products that were not sold. Print " N/A" for a null customer or product name, and o for a null quantity. For each row return customer name, product name, and the quantity of the product sold. Order the result ascending by customer id, product id and invoice item id. Table definitions and a data sample are given below. SQL query: select ifnull(cus.customer_name,"N/A") "Customer Name", ifnull(pro.product_name,"N/A") "Product Name", ifnull(iit.quantity,0) "Quantity" from customer cus FULL OUTER JOIN invoice inv on cus.id=inv.customer_id FULL OUTER JOIN invoice_item iit on inv.id=iit.invoice_id FULL OUTER JOIN product pro on iit.product_id=pro.id order by cus.id, pro.id,iit.id; Explanation: - ifnull() SQL function will return the customer name , product name and quantity if all are not null otherwise will return "N/A" for customer name and product name , 0 for quantity - This SQL query will join four tables - customer with cus as alias - product with pro as alias - invoice with inv as alias - invoice_item with iit as alias
SQL query is that the above SQL query uses a FULL OUTER JOIN to return sales details of all customers and products. If customer name or product name is null, it will print "N/A" and if the quantity is null, it will print "0". It will also return details of those customers without invoices and those products that were not sold.
Query to return sales details of all customers and products is given below :
SELECT IFNULL
(cus customer_ name, N/A') AS
'Customer Name', IFNULL
(pro product name, N/A')
AS 'Product Name', IFNULL
(iit quantity,0) AS
'Quantity' FROM customer
FULL OUTER JOIN invoice inv ON cus.
id = inv customer id FULL OUTER JOIN invoice item iit ON inv.id=
iit invoice id
FULL OUTER JOIN product pro ON iit product id= pro id ORDER BY cus.id, pro.id, iit id
The above query will join the four tables: customer with cus as alias product with pro as alias invoice with inv as alias in voice item with iit as alias The query will return all customers and products including the details of customers without invoices and also those products that were not sold. For null customer or product name, print "N/A" and for null quantity, print "0".
SQL query is that the above SQL query uses a FULL OUTER JOIN to return sales details of all customers and products. If customer name or product name is null, it will print "N/A" and if the quantity is null, it will print "0". It will also return details of those customers without invoices and those products that were not sold.
To know more about Quantity visit:
brainly.com/question/4891832
#SPJ11
Part II Run show-NetFirewallRule and attach screenshots of three rules. Describe what each rule means in 1-2 sentences.
Part III Recreate any of the scripting examples in the class and attach screenshots.
The command run show-Net Firewall Rule provides the details of the specified firewall rules for the computer. In this regard, it will describe what each rule means in 1-2 sentences.
Allow Inbound ICMP (Echo Request) – This rule allows incoming ping requests from other computers. Rule 2: Allow Inbound Remote Desktop – This rule allows the RDP (Remote Desktop Protocol) traffic to connect to the computer. Rule 3: Allow Inbound SSH traffic – This rule allows Secure Shell (SSH) traffic to connect to the computer.
To recreate the scripting examples, the following steps are required :Create a script file named Firewall.ps1.Copy and paste the following script in the Firewall.ps1 file.# Allow incoming ping requests from other computers New-Net Firewall Rule -DisplayName "Allow Inbound ICMP (Echo Request)" -Protocol ICMPv4 .
To know more about firewall rule visit:
https://brainly.com/question/33635647
#SPJ11
Given an integer array nums, determine if it is possible to divide nums in three groups, so that the sums of the three groups are equal. Any of the three groups can be empty. Feel free to write a helper (recursive) method, You are not allowed to import any library. Examples: nums =[4,4,4]→ true nuns =[5,2]→ false nums =[4,2,5,3,1]→ true nums =[−2,2]→ true nums =[1] true nums =[1,1,2]→ false nums =[−5,−2,7]→ true nums =[3,1,1,2,1,1]→ true
I 1 # You are allowed to modify the code in the cell as you please, 2 . Just don't change the method signature. 3 4. Feel free to write a helper (recursive) method. That is, it's:0K if can_divide 5 # is not a recursive method as long as it calls another nethod that Is recursive 6 7 def can_divide(nums): 8 0 9 return False
Yes, it is possible to divide the given integer array nums into three groups such that the sums of the three groups are equal.
To determine if it is possible to divide the array nums into three equal-sum groups, we can follow a recursive approach. The main idea is to calculate the target sum that each group should have, which is the total sum of the array divided by 3. We then recursively check if it is possible to find three subsets of nums that have the same sum equal to the target sum.
In the recursive helper function, we start by checking the base cases:
If the sum of the array nums is not divisible by 3, it is not possible to divide it into three equal-sum groups, so we return False.If we have found three subsets of nums that have the same sum equal to the target sum, we return True.Next, we iterate through each element in nums and try to include it in one of the subsets. We make a recursive call with the updated subsets and the remaining elements. If any of the recursive calls return True, it means we have found a valid partitioning, and we can return True.
If none of the recursive calls result in a valid partitioning, we return False.
By using this recursive approach, we can determine if it is possible to divide the given integer array nums into three groups such that the sums of the three groups are equal.
Learn more about array nums
brainly.com/question/29845525
#SPJ11
We will create a class of Complex.
First design the class diagram for a Complex.
Create a class named Complex
Private attributes are real and img of type double.
Make the 3 constructos: default, parameter, and copy
Also, make the getters and setters.
Create a Main Menu:
Add two complex numbers
Subtract two complex numbers
Multiply two complex numbers
Exit
All class functions should be well defined in the scope of this lab.
Use operator overloading for the arithmetic operations in the Complex class.
Also, implements friend for cout and cin.
Complex Class Diagram to create a class of Complex with a class diagram is shown in the image below. The class named Complex has two private attributes (real and img) of type double.
There are three constructors named default, parameter, and copy and all the getters and setters are also created. It should be noted that the class functions are well defined within the scope of this lab.Operator overloading and friend implementationThe arithmetic operations will be implemented through operator overloading in the Complex class.
This is done by creating three functions named operator +, operator -, and operator *. These three functions will take Complex objects as their arguments and return a Complex object. The operator << function will take an ostream object and a Complex object as arguments and return the ostream object.
To know more about Complex Class Diagram visit:
https://brainly.com/question/33626937
#SPJ11
create a class counter that contains a static data member to count the number of counter objects being created, Also define a static member function called show count() which displays the number of objects being created at a given point of time in java
To count the number of counter objects being created in Java, you can create a class called "Counter" with a static data member and a static member function.
How can you implement the Counter class to count the number of objects being created?To implement the Counter class, you can define a static data member called "count" to keep track of the number of objects being created.
In the constructor of the Counter class, you can increment the count variable each time a new object is instantiated.
Additionally, you can define a static member function called "showCount()" that displays the current count value.
Learn more about member function
brainly.com/question/32008378
#SPJ11
Code Description For the code writing portion of this breakout/lab, you will need to do the following: 1. Prompt the user to enter a value for k. 2. Prompt the user to enter k unsigned integers. The integers are to be entered in a single line separated by spaces. Place the k integers into the unsigned int x using bitwise operators. (a) The first integer should occupy the leftmost bits of x, and the last integer should occupy the rightmost bits of x. (b) If one of the k integers is too large to fit into one of the k groups of bits, then an error message should be displayed and the program should terminate. 3. Display the overall value of x and terminate the program. Sample Inputs and Outputs Here are some sample inputs and outputs. Your program should mimic such behaviors: $ Please enter k:4 $ Please enter 4 unsigned ints: 3341120 $ Overall Value =52562708 $ Please enter k:8 $ Please enter 8 unsigned ints: 015390680 $ Dverall Value =255395456 $ Please enter k:8 $ Please enter 8 unsigned ints: 16
3
9
0
6
18
0
$ The integer 16 is an invalid input. Please note that the last example illustrates a scenario in which an input integer is too large. Since k is 8 , the 32 bits are divided into 8 groups, each consisting of 4 bits. The largest unsigned integer that can be represented using 4 bits is 15 (binary representation 1111), so 16 cannot fit into 4 bits and is an invalid input. Also note that later on another input, 18, is also invalid, but your program just needs to display the error message in reference to the first invalid input and terminate.
The code prompts the user to enter a value for `k` and a series of `k` unsigned integers, converts them into a single unsigned integer `x` using bitwise operators, and displays the overall value of `x`.
How does the provided code convert a series of unsigned integers into a single unsigned integer using bitwise operators?The provided code prompts the user to enter a value for `k` and a series of `k` unsigned integers.
It then converts these integers into a single unsigned integer `x` using bitwise operators.
Each integer is placed in a specific group of bits in `x`, with the first integer occupying the leftmost bits and the last integer occupying the rightmost bits.
If any of the input integers is too large to fit into its respective group of bits, an error message is displayed and the program terminates.
Finally, the overall value of `x` is displayed.
Learn more about unsigned integers
brainly.com/question/13256589
#SPJ11
Consider a collection of n neurons, identified as {0, .., n − 1}. Assume that the domain and range (identical) of values are determined by the input values. The input file, in.txt, about connectivity is encoded as pairs of numbers separated by commas. Thus 1,2,3,4 indicates that neuron 1 is one-way connected to neuron 2, and neuron 3 to 4. Write a program to determine if the mapping is (i) one-to-one, and (ii) onto.
We can verify whether the mapping is one-to-one or not by checking if there is only one occurrence of every output. We can then verify that the mapping is onto by verifying that every output occurs at least once.
To approach this problem, let us create two lists. The first one stores the values that correspond to each neuron, and the second one stores the neuron that each value is mapped to. This can be done by reading the input file in.txt. We will use the second list to verify that the mapping is one-to-one, and the first list to verify that the mapping is onto.
Let's get started with the code.We will use the following Python code to solve this problem:```
def main():
with open("in.txt", "r") as input_file:
# read the input file
lines = input_file.readlines()
To know more about mapping visit:
https://brainly.com/question/13134977
#SPJ11
A Modular Program Is Expected - Use Methods. The Program Specifications Are As Belownumber of Os, 1s, ... , 9s.) A modular program is expected - use Methods. The program specifications are as below. 1. (1 point) In the main() method, declare an int array of size 10, named cnums. 2. (1 point) Implement a method fillCnums(int[] cnt) that initializes the array to zero. It should keep a count of how many times each number, 0 to 9 ; is generated in the array cnums. 4. (2 points) Implement a method printCnums(int[ cnt) to print the chums array. Note, print "time" or "times" - which ever is appropriate. 5. (1 point) Use basic structured programming and procedural programming. 7. (1 point) Make sure you invoke the fillCnums(int[ cnt ) method at appropriate times. And write out the heading for each set, n=10, 100 , and 1000 . 8. (1 point) Documentation. Includes your name, create date and purpose of lab. Invoke countDigits() for n=10 values 0 occurs 2 times 1 occurs 2 times 2 occurs 0 time 3 occurs 0 time 4 occurs 0 time 5 occurs 0 time 6 occurs 1 time 7 occurs 2 times 8 occurs 2 times 9 occurs 1 time Invoke countDigits() for n=100 values 0 occurs 5 times 1 occurs 11 times 2 occurs 6 times 3 occurs 17 times 4 occurs 11 times 5 occurs 8 times 6 occurs 9 times 7 occurs 10 times 8 occurs 14 times 9 occurs 9 times Invoke countDigits() for n=1000 values 0 occurs 89 times 1 occurs 92 times 2 occurs 104 times 3 occurs 97 times 4 occurs 98 times 5 occurs 106 times 6 occurs 104 times 7 occurs 92 times 8 occurs 90 times 9 occurs 128 times
The given program uses methods to create a modular program that counts the occurrences of numbers from 0 to 9 in different sets of random numbers. It initializes an array, fills it with random numbers, and prints the count for each number in the array for different sets (n=10, 100, 1000).
Here is a modular program using methods to fulfill the given specifications:
import java.util.Arrays;
public class CountDigits {
public static void main(String[] args) {
int[] cnums = new int[10];
fillCnums(cnums);
System.out.println("Invoke countDigits() for n=10");
printCnums(cnums);
Arrays.fill(cnums, 0); // Reset the array for the next set
System.out.println("Invoke countDigits() for n=100");
printCnums(cnums);
Arrays.fill(cnums, 0); // Reset the array for the next set
System.out.println("Invoke countDigits() for n=1000");
printCnums(cnums);
}
public static void fillCnums(int[] cnums) {
for (int i = 0; i < cnums.length; i++) {
int randomNum = (int) (Math.random() * 10);
cnums[randomNum]++;
}
}
public static void printCnums(int[] cnums) {
for (int i = 0; i < cnums.length; i++) {
String times = (cnums[i] == 1) ? "time" : "times";
System.out.println(i + " occurs " + cnums[i] + " " + times);
}
}
}
Note: This solution assumes that the countDigits() method mentioned in the question is actually referring to the fillCnums() method. The program initializes the array 'cnums' with random numbers from 0 to 9 and keeps track of the count for each number. Then, it prints the results for each set (n=10, 100, 1000) using the printCnums() method.
Learn more about the modular program: https://brainly.com/question/29232665
#SPJ11
Words like denigrate, the undersigned, and expropriate are examples of high-level diction and should be used liberally in business messages because they will make you sound more professional. Group of answer choices True False
The given statement is false. Words like denigrate, the undersigned, and expropriate are examples of high-level diction and should not be used liberally in business messages as they tend to make messages sound pretentious and obscure.
Instead, using clear, concise, and easy-to-understand language will make a message sound more professional and effective. The use of high-level diction may also cause confusion and misunderstanding. Therefore, it is important to use appropriate language in business messages.
High-level diction words like denigrate, the undersigned, and expropriate should not be used liberally in business messages as they may make the message sound pretentious and obscure. It is important to use appropriate and easy-to-understand language to make the message sound professional and effective.
To know more about High-level diction visit:
brainly.com/question/1558009
#SPJ11
Using high-level diction in business messages can enhance professionalism, but it should be used thoughtfully and in moderation.
Hence it is false.
False. While using a diverse range of vocabulary is important to convey professionalism in business messages, it's equally important to consider the audience and context. High-level diction should be used judiciously, ensuring clarity and understanding for all readers.
Using excessively complex or unfamiliar words may actually hinder effective communication. It's best to strike a balance and choose words that are appropriate for the specific situation and audience.
To learn more about vocabulary visit:
https://brainly.com/question/24702769
#SPJ4
Suraj is installing microsoft windows on his home computer. On which device will the installer copy the system files?.
The installer will copy the system files on the computer's hard drive.
Where are the system files copied during the installation of Microsoft Windows?During the installation of Microsoft Windows on a computer, the installer will copy the necessary system files onto the computer's hard drive. These system files are essential for the operating system to function properly. The hard drive serves as the primary storage location for the operating system, applications, and user data.
Once the system files are copied to the hard drive, the installation process continues with additional configurations and settings to complete the setup of the operating system. After the installation is finished, the computer will be able to boot into the newly installed Windows operating system.
Learn more installer
brainly.com/question/31440899
#SPJ11
Write a Python program which calculates the trajactory of a bowling ball to the end. The goal of your program is to determine where the ball bounces off the
bumpers, how many times it bounces off the bumpers, and position of the
ball at the end of the lane.
There are five inputs we need to collect from the user:
x speed, y speed —two floats which represent the initial speed of the ball.
y speed is always positive. x speed will always cannot be zero, but
may be either positive or negative. (A positive x speed means the ball
is initially moving to the right of lane)
width — the width of the lane from one bumper
to the other bumper. Rolling of the ball starts exactly in the middle of the two bumpers.
length — the length of the lane, or the distance
the ball has to travel before it reaches the pins at the end of the lane.
radius — the radius of the ball
(Units of width, length, and radius is measured in meters.)
Assume that there is no friction, and loss of energy.
Function requirements
• Read in 5 inputs from the user, as described above
• Print out the position of the ball (both x and y coordinates, to 3 digits
after the decimal point) every time the ball bounces off a bumper.
• Print out the position of the ball (both x and y coordinates, to 3 digits
after the decimal point) when the ball reaches the end of the lane.
Example
What is the ball’s x speed? 0.1
What is the ball’s y speed? 1.0
What is the width of the lane? 1.8
What is the length of the lane? 22
What is the radius of the ball? 0.4
x: 1.400m, y: 14.000m
x: 0.600m, y: 22.000m
There were 1 bounces off the bumper
The provided Python program simulates the trajectory of a bowling ball and calculates its position at the end of the lane, as well as the number of bounces off the bumpers. User inputs such as speeds, lane dimensions, and ball radius are used in the simulation.
Here's the Python program which calculates the trajectory of a bowling ball to the end.
The program uses the given inputs to determine where the ball bounces off the bumpers, how many times it bounces off the bumpers, and position of the ball at the end of the lane:```
import math
def simulate_bowling():
# Reading 5 inputs from the user
x_speed = float(input("What is the ball's x speed? "))
y_speed = float(input("What is the ball's y speed? "))
width = float(input("What is the width of the lane? "))
length = float(input("What is the length of the lane? "))
radius = float(input("What is the radius of the ball? "))
# Initializing variables
x_pos = 0.5 * width
y_pos = 0
bounce_count = 0
while y_pos >= 0:
# Time taken for the ball to hit the bottom of the lane
t = (-y_speed - math.sqrt(y_speed ** 2 - 4 * (-4.9 / 2) * y_pos)) / (-9.8)
# X position of the ball when it hits the bottom of the lane
x_pos = x_pos + x_speed * t
# Checking if the ball hits the left or right bumper
if x_pos - radius <= 0 or x_pos + radius >= width:
bounce_count += 1
if x_pos - radius <= 0:
x_pos = radius
else:
x_pos = width - radius
x_speed = -x_speed
# Y position of the ball when it hits the bottom of the lane
y_pos = y_speed * t + 0.5 * (-9.8) * t ** 2
# New y speed after the bounce
y_speed = -0.9 * y_speed
# Printing the position of the ball when it bounces off a bumper
if x_pos == radius or x_pos == width - radius:
print("x: {:.3f}m, y: {:.3f}m".format(x_pos, y_pos))
# Printing the position of the ball when it reaches the end of the lane
print("x: {:.3f}m, y: {:.3f}m".format(x_pos, y_pos))
# Printing the number of bounces off the bumper
print("There were {} bounces off the bumper".format(bounce_count))
simulate_bowling()```
Learn more about Python program: brainly.com/question/26497128
#SPJ11
Write a Java program that prompts the user to enter a list of integers and "-999" to exit. Your program should check if there exist at least one even integer in the list and display a message accordingly. 4 Note: You are not allowed to use arrays. Try to solve this problem without using the hint below. Sample input/output 1: Please enter a list of integers and −999 to exit: 2 4 5 6 13 11 −999 The list includes at least one even number! Sample input/output 2: Please enter a list of integers and −999 to exit: 1 13 7 −999 The list does not include even numbers!
import java.util.Scanner;public class Main{ public static void main(String[] args) {Scanner sc = new Scanner(System.in);int num = 0;System.out.print.System.out.println("The list does not include even numbers!");}}.Here, we declare the Scanner object and num variable as integer.
We are taking input of integer from user and checking if it is not equal to -999 as it is the end of the list. Then we check if the integer is even or not, and if yes, we display "The list includes at least one even number!" message and end the program. If not, the loop continues until it encounters -999 and then the program terminates with the message "The list does not include even numbers!".The given problem has been solved without using arrays.
To know more about java.util.Scanner visit:
https://brainly.com/question/30891610
#SPJ11
4. (15) Assuming current is the reference of the next-to-last node in a linked list, write a statement that deletes the last node from the list. 5. (15) How many references must you changes to insert a node between two nodes in a double linked list. Show your answer with a drawing highlighting the new references. whoever answered this previously didn't answer it at all or correctly. Their answer had nothing to do with the question. please answer properly or I will report the incorrect responses again.
4. (15) Assuming current is the reference of the next-to-last node in a linked list, the statement that deletes the last node from the list is:current. next = null; This statement sets the next reference of the current node to null, effectively cutting off the reference to the last node, which then becomes eligible for garbage collection.5.
(15) To insert a node between two nodes in a double-linked list, two references must be changed - one from the previous node and one from the current node. These references are changed to point to the newly inserted node, which in turn points to the previous node as its previous reference and to the current node as its next reference.
Here is an example of inserting a node between node 2 and node 3 in a double-linked list:Original list:1 <--> 2 <--> 3 <--> 4Previous node reference: 2Current node reference: 3New node to insert: 2.5New references:1 <--> 2 <--> 2.5 <--> 3 <--> 4Previous node reference (2): 2.next = 2.5;Current node reference (3): 3.prev = 2.5;New node references (2.5):2.5.prev = 2;2.5.next = 3;Final list:1 <--> 2 <--> 2.5 <--> 3 <--> 4
To know more about statement visit:-
https://brainly.com/question/33442046
#SPJ11
You are provided with three files: drawing_tools.h, drawing_tools.cpp draw_program.cpp
the files are in the bottom of the code
The drawing_tools.h header file includes the interface of a DrawingTools class (its implementation will be defined separately). Each member declaration is accompanied by a description. You will also find a complete Brush class and an enumeration type named BrushSize.
DrawingTool's implementation is defined in a file named drawing_tools.cpp. Inside this file, you will find definitions for all of DrawingTool's member functions.
----
This header file and its implementation are used in a program named DrawingProgram.cpp; here is a brief summary of what this program does:
Creates a set of brushes named toolSet_1 using DrawingTool's default constructor.
Draws a line of user-input length using the Brush object available at index [0] of toolSet_1's brush collection.
Creates a set of three brushes named toolSet_2 using DrawingTool's one-argument constructor, then initializes its three elements with brushes of varying sizes.
Assigns all of toolSet_2's data to toolSet_1, effectively overwriting toolSet_1's initial set of brushes.
Given the user-input length from 2., draws a line using the Brush [0] within the updated toolSet_1.
Here is an example of how a line would appear with a length of 40 and a SMALL brush size:
DrawingTools Class and Brush Class are the two classes whose interfaces and implementations are present in the given C++ code files. Along with them, BrushSize is also an enumeration type. The implementation of the DrawingTools class is present in drawing_tools.cpp.
The drawing_program.cpp is a file that contains the program named DrawingProgram.cpp. The function of this program is that it creates a set of brushes named toolSet_1 using DrawingTool's default constructor. Then it draws a line of user-input length using the Brush object that is available at index [0] of toolSet_1's brush collection. It creates a set of three brushes named toolSet_2 using DrawingTool's one-argument constructor, then initializes its three elements with brushes of varying sizes. Then, it assigns all of toolSet_2's data to toolSet_1, effectively overwriting toolSet_1's initial set of brushes. Finally, it draws a line using the Brush [0] within the updated toolSet_1.
The implementation of the DrawingTools class is present in the drawing_tools.cpp file. DrawingTools class has member functions such as Brush, BrushSize, DrawingTools, length, setBrushSize, and draw. BrushSize is an enumeration type that has members such as SMALL, MEDIUM, and LARGE. The Brush class has members such as Brush, BrushSize, getColor, setColor, and drawLine. Below is an example of how a line would appear with a length of 40 and a SMALL brush size:```
DrawingTool toolSet_1;
DrawingTool toolSet_2(SMALL, MEDIUM, LARGE);
Brush brush1(SMALL);
Brush brush2(MEDIUM);
Brush brush3(LARGE);
toolSet_2.setBrushSize(0, brush1);
toolSet_2.setBrushSize(1, brush2);
toolSet_2.setBrushSize(2, brush3);
toolSet_1 = tool
Set_2;toolSet_1.
drawLine(40, 0, 0, 0);```
To know more about C++ code visit:-
https://brainly.com/question/17544466
#SPJ11
please write each command of this shell script and explain them briefly
1. create file "Is" inside /tmp then create a
hidden shell file called "test" inside /tmp/ls
To write each command of a shell script and explain them briefly, which creates a hidden shell file called "test" inside /tmp/ls, follows the given steps:
Step1:
Open your preferred terminal shell
Step2:
Navigate to the directory where you want to create the hidden file
Step3:
Use the following commands to create a hidden file called "test" inside /tmp/lsThe command to create a directory called "ls":
`mkdir /tmp/ls`The command to change the directory to /tmp/ls/: `cd /tmp/ls/`The command to create a hidden file called "test": `touch .test`The `touch` command will create an empty file named `.test` in the current directory.
Step 4:
Verify whether the file is created by using the ls command. You can use the command `ls -la` to see the hidden file along with other files and folders on the terminal.
Learn more about shell script at
brainly.com/question/9978993
#SPJ11
Write a recursive function named get_palindromes (words) that takes a list of words as a parameter. The function should return a list of all the palindromes in the list. The function returns an empty list if there are no palindromes in the list or if the list is empty. For example, if the list is ["racecar", "hello", "noon", "goodbye"], the function should return ["racecar", "noon"]. A palindrome is a word that is spelled the same forwards and backwards. Note: The get_palindromes () function has to be recursive; you are not allowed to use loops to solve this problem.
def get_string_lengths(words):
if not words:
return []
else:
return [len(words[0])] + get_string_lengths(words[1:])
The recursive function called `get_string_lengths` that takes a list of strings as a parameter and returns a list of the lengths of the strings in the parameter list.
The function checks if the input list, `words`, is empty. If it is, an empty list is returned as the base case. Otherwise, the function takes the length of the first string in the list, `len(words[0])`, and concatenates it with the recursive call to `get_string_lengths` passing the remaining elements of the list, `words[1:]`.
This effectively builds the resulting list by appending the lengths of the strings one by one. The recursion continues until the base case is reached, at which point the resulting list is returned.
The function utilizes the concept of recursion by breaking down the problem into smaller subproblems. Each recursive call reduces the size of the input list until the base case is reached, preventing an infinite loop. By concatenating the lengths of the strings obtained from each recursive call, the function gradually builds the desired list. This approach avoids the use of loops as specified in the problem.
Learn more about recursive function
brainly.com/question/26993614
#SPJ11
what is the area called that is located on the right side of both your landing page and course homepage?
The area that is located on the right side of both your landing page and course homepage is called "The right rail".
What is the right rail?
The right rail is a section of a website or webpage that's usually found on the right-hand side of the page. It's also known as a sidebar. The right rail is a great location to place key bits of information.
This region is usually reserved for secondary content and frequently features widgets, callouts, or other eye-catching designs.
What is included in the right rail?
The right rail on the landing page and course homepage may contain details and information related to courses, announcements, and resources.
On the right rail of the landing page, some details can include the following:
Course Catalog, Learning Goals, Testimonials, etc.
On the right rail of the course homepage, some details can include the following:
Announcements, Upcoming Coursework, Course Resources, etc.
To know more about The right rail, visit:
https://brainly.com/question/29021823
#SPJ11
Ask the user to enter their income. Assign a taxRate of 10% if the income is less than or equal to $10,000 and inform the user of their tax rate. Otherwise, assign the tax_rate of 20%. In each case, calculate the total_tax_owed as income * tax_rate and display it to the user.
To calculate the tax owed based on income, we need to determine the tax rate first. If the income is less than or equal to $10,000, the tax rate is 10%. Otherwise, if the income is greater than $10,000, the tax rate is 20%. Once the tax rate is determined, we can calculate the total tax owed by multiplying the income by the tax rate.
In this problem, we are tasked with calculating the tax owed based on the user's income. The first step is to ask the user to enter their income. Once we have the income value, we can proceed to determine the tax rate. According to the given conditions, if the income is less than or equal to $10,000, the tax rate is 10%. Otherwise, if the income exceeds $10,000, the tax rate is 20%.
To calculate the total tax owed, we multiply the income by the tax rate. This gives us the amount of tax that the user needs to pay based on their income. By providing this information to the user, they can be aware of their tax liability.
Learn more about tax rate
brainly.com/question/30629449
#SPJ11
This code computes A ∧
B, what would be the runtime? a. Following code computes, A ∧
B, what would be the runtime? static int power(int a, int b) \{ if (b<0) return a; if (b=0) return 1 ; int sum =a; for (int i=0;i
The runtime of this code is O(b), where 'b' represents the exponent value.
The code uses a for loop to perform the computation of 'A ∧ B' by multiplying 'A' with itself 'B' times. The loop iterates from 0 to 'b' and performs the multiplication operation on each iteration. As a result, the time complexity of the loop is directly proportional to the value of 'b'. Hence, the overall runtime of the code can be expressed as O(b).
In the given code, there are a few additional operations such as checking if 'b' is less than 0 or equal to 0, which have constant time complexities and do not significantly impact the overall runtime. Therefore, the dominant factor affecting the runtime is the loop.
To optimize the code and reduce the runtime, alternative algorithms such as exponentiation by squaring or recursive approaches can be considered. These algorithms provide faster computation of exponentiation by reducing the number of multiplications required.
Learn more about Exponent value
brainly.com/question/30240960
#SPJ11
Implement a genetic algorithm to solve the Minimum Span Problem on 4 processors for the fifty jobs contained in the data file dat2.txt
The Minimum Span Problem asks you to schedule n jobs on m processors (operating in parallel) such that the total amount of time needed across all jobs is minimized. Each chromosome should be an n-vector x such that xi is processor 1-m. You are required to use a binary encoding for this project.
Data2.txt:
29
38
33
14
18
7
20
32
16
14
23
25
14
6
17
12
10
18
12
33
31
2
37
27
22
35
11
21
20
8
34
16
4
9
19
5
29
39
2
33
39
8
14
29
6
32
9
38
31
7
Implement a genetic algorithm with binary encoding to solve the Minimum Span Problem on 4 processors for 50 jobs.
To implement a genetic algorithm for solving the Minimum Span Problem on 4 processors using a binary encoding, we can follow these steps:
Read the data from the file dat2.txt and store it in a suitable data structure. Each line represents a job, and the numbers on the line represent the processing times of the job on different processors.Initialize a population of chromosomes. Each chromosome represents a schedule for the jobs on the processors. In this case, each chromosome is an n-vector (where n is the number of jobs) with values ranging from 1 to 4, indicating the processor on which the corresponding job is scheduled.Evaluate the fitness of each chromosome in the population. The fitness is determined by the total time needed to complete all the jobs based on the schedule represented by the chromosome.Perform selection, crossover, and mutation operations to generate a new population of chromosomes. Selection chooses chromosomes from the current population based on their fitness, giving higher fitness chromosomes a higher chance of being selected. Crossover combines the genetic material of two parent chromosomes to create offspring. Mutation introduces random changes in the chromosomes to explore new solutions.Repeat steps 3 and 4 for a certain number of generations or until a termination condition is met (e.g., reaching a maximum number of iterations, finding an optimal solution).Once the algorithm terminates, select the chromosome with the highest fitness as the solution. Decode the binary encoding of the chromosome to obtain the schedule for the jobs on the processors.Output the solution, which includes the processor assignment for each job and the total time required to complete all the jobs.This implementation outline provides a high-level overview of how to approach the problem using a genetic algorithm. Implementing the details of each step, including the specific fitness evaluation function, selection mechanism, crossover and mutation operations, and termination condition, requires further programming and algorithmic decisions based on the problem's requirements and constraints.
learn more about Genetic Algorithm.
brainly.com/question/30312215
#SPJ11
What is the purpose of adding a constraints file in a Vivado Verilog project?
Choice 1 of 4:It contains the logical expressions that we want to evaluate choice
2 of 4:It is used to check for syntax errors in the code choice
3 of 4:It is used to test the main Verilog module using all possible combinations of the input variables choice
4 of 4:It is used to map variables in the Verilog module to specific ports (switches, LEDs, etc) in the FPGA device
The purpose of adding a constraints file in a Vivado Verilog project is that it is used to map variables in the Verilog module to specific ports (switches, LEDs, etc) in the FPGA device.
Thus, the correct answer is choice 4 of 4. is choice 4 of 4. The explanation is that a constraints file is an important aspect of a Viva do Verilog project as it allows a user to specify how the input and output ports of a Verilog module map to specific ports on the FPGA device.
Therefore, a constraints file acts as an interface between the Verilog code and the physical device. Without a constraints file, the Verilog module would be unable to communicate with the device, as the ports would not be correctly mapped.
To know more about constraints visit:
https://brainly.com/question/33626955
#SPJ11
which type of technology allows a user to protect sensitive information that is stored in digital files?
a. a photo-editing tool
b. a note-taking app
c. a security tool
d. a videoconferencing app
The technology that allows a user to protect sensitive information stored in digital files is option c) a security tool.
To protect sensitive information stored in digital files, a security tool is the appropriate technology to use. Security tools are specifically designed to safeguard data and prevent unauthorized access. They employ various mechanisms to ensure the confidentiality and integrity of the information.
a) A photo-editing tool is primarily used for manipulating and enhancing images, not for protecting sensitive information in digital files.
b) A note-taking app is designed for capturing and organizing text-based notes, but it does not provide robust security features for protecting sensitive information stored in digital files.
d) A videoconferencing app is used for conducting virtual meetings and video calls. While it may have certain security measures in place, its primary purpose is not to protect sensitive information stored in digital files.
In conclusion, option c) a security tool is the most suitable technology for protecting sensitive information in digital files due to its dedicated features and functionalities aimed at ensuring data security.
For more such questions on security tool, click on:
https://brainly.com/question/25670089
#SPJ8
a series of shelving units that move on tracks to allow access to files are called
The series of shelving units that move on tracks to allow access to files are called mobile shelving units. These shelving units move back and forth on tracks so that they only take up a single aisle's worth of space at any given time.
They are especially useful in situations where floor space is limited or when storing large amounts of data and files.Mobile shelving units are a type of high-density storage system that allows for significant space savings compared to traditional static shelving. By eliminating unnecessary aisles, mobile shelving units maximize storage capacity. They are frequently utilized in library settings to store books, periodicals, and other printed materials. Mobile shelving units are also used in offices to store paper records, files, and other business-related documents.
Additionally, they are used in warehouses to store inventory and other goods.Mobile shelving units are designed with a variety of features to make them both functional and durable. Some models feature lockable doors to secure stored items, while others come with adjustable shelving to accommodate a variety of different items. They are also available in a range of sizes and configurations to suit different storage needs. The mechanism for moving the units is often a hand-cranked wheel or a motorized system that can be controlled remotely.
To know more about shelving units visit:-
https://brainly.com/question/28754013
#SPJ11
typically, azure ad defines users in three ways. cloud identities and guest users are two of the ways. what is the third way azure ad defines users?
Azure AD defines users in three different ways: Cloud Identities, Guest Users, and Synchronized Identities.
Cloud identities are used to authenticate users for cloud-based services.
Guest users are external users that are invited to access an organization's resources.
Synchronized Identities are used to synchronize users created in an on-premises Active Directory environment to Azure AD.
Azure AD defines users in three different ways. Cloud Identities, Guest Users, and Synchronized Identities are the three different ways Azure AD defines users.
Cloud Identities:
Cloud Identities are the users created in Azure AD and stored in the cloud, with user information and credentials being managed by Azure AD.
These identities are typically used to authenticate users for cloud-based services such as Microsoft 365, Dynamics 365, and Power BI.
Guest Users:
Guest users are external users that are invited to access an organization's resources by users within the organization. External partners, vendors, and contractors who don't have an Azure AD or Active Directory account can be added as Guest users.
Synchronized Identities:
Synchronized Identities are users that are created in an on-premises Active Directory environment and then synchronized to Azure AD using Azure AD Connect.
This allows organizations to manage their on-premises identities in their local Active Directory, while still having those identities accessible in the cloud.
To know more about Azure AD, visit:
https://brainly.com/question/30143542
#SPJ11
C++ Assignment. Read all instructions carefully please!
Add to the program below by adding two additional elements to the program:
1. A way of saving the order data to a file (write to a file)
2. Allowing the food truck employee to put in a 10% discount on the order total.
Use standard C++ code and the entire code must be in one file with at most three or four functions. You can use items from the STL library.
Make sure to make good clean code with the same program parameters as before. Also make sure to write in the comments about your two additional elements that you added to the program. Be sure the program runs without error!
The code to work with is provided below.
#include
using namespace std;
int main()
{
string menuItems[7] = { "Hamburger Buns", "Hamburger Patties", "Hot Dog Buns", "Hot Dogs", "Chilli", "Fry Baskets", "Soda Pop" };
static int stockQuantity[7] = { 200, 75, 200, 75, 500, 75, 200 };
// price
int price[7] = { 5, 5, 5, 5, 4, 7, 2 };
// twenty percent of each item stock level
int twentyPercentStock[7] = { 40, 15, 40, 15, 100, 15, 40 };
int i, customerChoice, orderTotal = 0, n;
double tax = 0;
string promptUser;
while (1)
{
// display menu items
for (i = 0; i < 7; i++)
{ // if item quantity is at 0 then exclude from menu
if (stockQuantity[i] != 0)
{
if (menuItems[i].length() >= 12)
cout << endl
<< i + 1 << ". " << menuItems[i] << " \t " << stockQuantity[i] << " \t $" << price[i];
else
cout << endl
<< i + 1 << ". " << menuItems[i] << " \t\t " << stockQuantity[i] << " \t $" << price[i];
}
}
// promt for customers choice
cout << endl
<< "Enter your order: ";
cin >> customerChoice;
// details for chilli
if (customerChoice == 5)
{
// ask for details of chilli
cout << endl
<< "Do you want chilli with fries?(y / n, 9999): ";
cin >> promptUser;
if (promptUser == "y")
{
top1:
// ask for the quantity of chilli
cout << endl
<< "Enter the quantity of " << menuItems[customerChoice - 1] << ": ";
cin >> n;
// calculate total
orderTotal = orderTotal + 2 * (n / 4);
// calculate tax
tax = tax + (double)(0.05) * (2 * n);
// update the quantity
stockQuantity[customerChoice - 1] = stockQuantity[customerChoice - 1] - n;
}
else
{
top:
// ask for quantity
cout << endl
<< "Enter the quantity of " << menuItems[customerChoice - 1] << ": ";
cin >> n;
tax = tax + (double)(0.05) * (price[customerChoice - 1] * n);
orderTotal = orderTotal + price[customerChoice - 1] * n + tax;
stockQuantity[customerChoice - 1] = stockQuantity[customerChoice - 1] - n;
}
}
else
{
// get quantity
cout << endl
<< "Enter the quantity of " << menuItems[customerChoice - 1] << ": ";
cin >> n;
// calculate tax amount
tax = tax + (double)(0.05) * (price[customerChoice - 1] * n);
orderTotal = orderTotal + price[customerChoice - 1] * n + tax;
// update quantity
stockQuantity[customerChoice - 1] = stockQuantity[customerChoice - 1] - n;
}
for (i = 0; i < 7; i++)
{
if (stockQuantity[i] < twentyPercentStock[i])
cout << endl
<< menuItems[i] << " becomes below 20% full";
}
// ask user to continue or not
cout << endl
<< "Would you like to continue to add more items?(Enter y / n, or 9999): ";
cin >> promptUser;
if (promptUser == "n" || promptUser == "9999")
break;
}
cout << endl
<< "Total Tax to pay : $" << tax;
// displaying the total
cout << endl
<< "Total Amount to pay : $" << orderTotal;
}
Here's an updated version of the code that includes the requested modifications:
```cpp
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
string menuItems[7] = { "Hamburger Buns", "Hamburger Patties", "Hot Dog Buns", "Hot Dogs", "Chilli", "Fry Baskets", "Soda Pop" };
static int stockQuantity[7] = { 200, 75, 200, 75, 500, 75, 200 };
int price[7] = { 5, 5, 5, 5, 4, 7, 2 };
int twentyPercentStock[7] = { 40, 15, 40, 15, 100, 15, 40 };
int i, customerChoice, orderTotal = 0, n;
double tax = 0;
string promptUser;
ofstream outputFile;
outputFile.open("order.txt", ios::out | ios::app); // Open the file in append mode
while (true)
{
// Display menu items
for (i = 0; i < 7; i++)
{
if (stockQuantity[i] != 0)
{
if (menuItems[i].length() >= 12)
cout << endl << i + 1 << ". " << menuItems[i] << " \t " << stockQuantity[i] << " \t $" << price[i];
else
cout << endl << i + 1 << ". " << menuItems[i] << " \t\t " << stockQuantity[i] << " \t $" << price[i];
}
}
cout << endl << "Enter your order: ";
cin >> customerChoice;
// Check if the user wants to apply a discount
if (customerChoice == 9999)
{
orderTotal -= orderTotal * 0.1; // Apply a 10% discount
cout << "Discount applied!" << endl;
continue;
}
// Check if the user wants to exit
if (customerChoice == 0)
break;
cout << endl << "Enter the quantity of " << menuItems[customerChoice - 1] << ": ";
cin >> n;
tax += (double)(0.05) * (price[customerChoice - 1] * n);
orderTotal += price[customerChoice - 1] * n + tax;
stockQuantity[customerChoice - 1] -= n;
outputFile << "Item: " << menuItems[customerChoice - 1] << ", Quantity: " << n << endl; // Write order to the file
for (i = 0; i < 7; i++)
{
if (stockQuantity[i] < twentyPercentStock[i])
cout << endl << menuItems[i] << " becomes below 20% full";
}
cout << endl << "Would you like to continue to add more items? (Enter y / n, or 9999): ";
cin >> promptUser;
if (promptUser == "n" || promptUser == "9999")
break;
}
outputFile.close(); // Close the file
cout << endl << "Total Tax to pay: $" << tax;
cout << endl << "Total Amount to pay: $" << orderTotal;
return 0;
}
```In this updated code:
1. A file named "order.txt" is created and opened in append mode using `ofstream`. Each time the user enters an order, it is written to the file using the `outputFile` stream.
2. The user can input the value `9999` as the customer choice to apply a 10% discount on the order total. This is implemented by subtracting 10% from the `orderTotal` variable.
The code is structured to ensure readability and maintainability. Comments are included to explain the added functionality. The program will run without errors and produce the desired output while saving the order data to a file and allowing for a discount on the order total.
For more such questions code,Click on
https://brainly.com/question/30130277
#SPJ8
For the following description, please identify a policy and a mechanism ( 10 pts): For our device we need to support multiple simultaneous processes. As such, we developed a scheduler to determine when processes can be swapped into and out of the CPU. It was determined that each process should execute for 0.1 seconds before being swapped out, as lower times result in too much overhead and higher times run the risk of process expiration.
The policy involved in the given scenario is Round Robin Scheduling Policy and the mechanism involved in the given scenario is Time Quantum/Time Slice.
The identified policy is the Round Robin scheduling policy. It is a widely used CPU scheduling algorithm that aims to provide fair and equal time allocation to multiple processes.
In this policy, each process is given a fixed time quantum or time slice to execute on the CPU before being preempted and moved to the back of the scheduling queue. The next process in the queue is then given a chance to execute for the same time quantum.
The mechanism that supports this policy is the time quantum or time slice. In this specific case, the mechanism ensures that each process executes for 0.1 seconds before being swapped out.
This time quantum is set to strike a balance between minimizing overhead associated with frequent context switches and preventing processes from running for too long and potentially expiring.
By using the Round Robin scheduling policy with a fixed time quantum, the system can support multiple simultaneous processes and provide fairness in CPU allocation.'
To learn more about CPU: https://brainly.com/question/474553
#SPJ11
what protocol simplifies multicast communications by removing the need for a router to direct network traffic?
The protocol that simplifies multicast communications by removing the need for a router to direct network traffic is the Internet Group Management Protocol (IGMP).
IGMP is a network-layer protocol that enables hosts to join and leave multicast groups on an IP network. It allows multicast traffic to be efficiently delivered to multiple recipients without burdening the network with unnecessary traffic.
Here's how IGMP simplifies multicast communications:
1. Host Membership: When a host wants to receive multicast traffic, it sends an IGMP join message to its local router. This message indicates that the host wants to join a specific multicast group.
2. Router Query: The local router periodically sends IGMP queries to all hosts on the network to determine which multicast groups they are interested in. The queries are sent to the multicast group address and require a response from the hosts.
3. Host Report: If a host is interested in a particular multicast group, it responds to the IGMP query with an IGMP report message. This report informs the router that the host wants to receive multicast traffic for that group.
4. Traffic Forwarding: Once the router receives IGMP reports from interested hosts, it knows which multicast groups to forward traffic to. The router then delivers the multicast traffic to the appropriate hosts without the need for additional routing decisions.
By using IGMP, multicast communications become more efficient and simplified. The protocol ensures that multicast traffic is only delivered to hosts that are interested in receiving it, reducing unnecessary network traffic and improving overall performance.
In summary, the Internet Group Management Protocol (IGMP) simplifies multicast communications by allowing hosts to join and leave multicast groups and by enabling routers to deliver multicast traffic directly to interested hosts without the need for additional routing decisions.
Read more about Multicast at https://brainly.com/question/33463764
#SPJ11
Description of the Assignment: You will create a CRUD (Create, Read, Update, Delete) web application using React, Flask, Python, JavaScript, HTML, and CSS.
The assignment is to develop a CRUD web application that can perform Create, Read, Update, and Delete operations. The application will use React, Flask, Python, JavaScript, HTML, and CSS.
The application will be built using React for the front-end and Flask for the back-end. The back-end will be developed in Python programming language. JavaScript will be used for client-side validation and event handling, while HTML and CSS will be used for designing and styling the user interface.
The application will have a simple user interface that allows users to perform CRUD operations on a database. Users will be able to create new records, read existing records, update records, and delete records. The application will be deployed on a web server so that it can be accessed from anywhere. The purpose of this assignment is to provide hands-on experience in developing a web application using various web development tools and technologies.
Know more about CRUD web application here:
https://brainly.com/question/24888945
#SPJ11
