1. [12]Write a program to implement Dijkstra single source shortest path algorithm and show your solution on following graph (use the adjacency matrix representation as below). User will pick the sour
Answers
Certainly! Here's an implementation of the Dijkstra's algorithm in Python to find the single source shortest path in a graph represented by an adjacency matrix.
```python
import sys
def dijkstra(graph, source):
# Get the number of vertices in the graph
num_vertices = len(graph)
# Initialize the distance array with infinity for all vertices except the source
distance = [sys.maxsize] * num_vertices
distance[source] = 0
# Initialize the visited array to keep track of visited vertices
visited = [False] * num_vertices
# Loop through all vertices
for _ in range(num_vertices):
# Find the vertex with the minimum distance from the source among the unvisited vertices
min_distance = sys.maxsize
min_index = -1
for v in range(num_vertices):
if not visited[v] and distance[v] < min_distance:
min_distance = distance[v]
min_index = v
# Mark the selected vertex as visited
visited[min_index] = True
# Update the distance values of the adjacent vertices
for v in range(num_vertices):
if (
not visited[v]
and graph[min_index][v] != 0
and distance[min_index] != sys.maxsize
and distance[min_index] + graph[min_index][v] < distance[v]
):
distance[v] = distance[min_index] + graph[min_index][v]
return distance
# Test graph represented by an adjacency matrix
graph = [
[0, 4, 0, 0, 0, 0, 0, 8, 0],
[4, 0, 8, 0, 0, 0, 0, 11, 0],
[0, 8, 0, 7, 0, 4, 0, 0, 2],
[0, 0, 7, 0, 9, 14, 0, 0, 0],
[0, 0, 0, 9, 0, 10, 0, 0, 0],
[0, 0, 4, 14, 10, 0, 2, 0, 0],
[0, 0, 0, 0, 0, 2, 0, 1, 6],
[8, 11, 0, 0, 0, 0, 1, 0, 7],
[0, 0, 2, 0, 0, 0, 6, 7, 0],
]
source = 0 # Choose the source vertex
distances = dijkstra(graph, source)
# Display the shortest distances from the source to all other vertices
print("Shortest distances from source vertex", source)
for v, d in enumerate(distances):
print(f"Vertex {v}: {d}")
```
In this example, the graph is represented by an adjacency matrix. The `dijkstra` function takes the graph and the source vertex as inputs and returns an array of shortest distances from the source to all other vertices. The program then prints the shortest distances for each vertex.
Please note that the graph is assumed to be connected, and the weights of the edges are non-negative. You can modify the graph representation and customize the program according to your specific requirements.
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Related Questions
what are the difference among the whole note, half note and quarter note ? (this is music)
Answers
Answer:
The second note in is called the half note and held for two counts — half a whole note. Notice it has a stem attached to it. ... The quarter note is the third note; it looks like a filled-in half note, with the same stem attached. You hold it for one full count, which is a quarter of a whole note.
Explanation:
Which of the following would be considered unethical for a programmer to do?
Answers
Answer: Something would be considered unethical for a programmer to do is, Use someone else's code without the original developer's permission.
Explanation: Please give me Brainliest.
Isabela wants to add an image to her presentation. Which tab should she use?
Design
File
Home
Insert
Answers
Answer:
I believe its insert
Explanation:
because when u insert an image ur adding it
Answer:
d
Explanation:
the divide operator is more difficult to use than a join because the matching requirement is more stringent. group of answer choices true false
Answers
The statement "The divide operator is more difficult to use than a join because the matching requirement is more stringent" is true.
The divide operator is a type of operator that is used in database management systems to combine two tables. The divide operator in SQL or Relational Algebra is used to retrieve all those tuples from a relation R that is related to all the tuples of relation S.
It's more difficult to use than a join operator because the matching requirement is more stringent. Here, every record in the second table must correspond to one or more records in the first table, and each record in the first table must match every record in the second table. As a result, the divide operator must be used with care, and it's not as commonly used as join.
To clarify, the join operator is used to combine two tables into a single table. The join operator retrieves data from two or more tables by comparing column values. It can also be used to add additional columns to an existing table. On the other hand, the divide operator is used to retrieve data that meets specific criteria, and it must be used carefully since it is less commonly used than other operators.
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a security breach that does not usually result in the theft of information or other security loss but the lack of legitimate use of that system?
Answers
Unauthorized access is defined as any access to a system or network without the proper authorization.
What is Unauthorized access?Unauthorized access is the intentional and unauthorized use of a computer, network, application, or other system. It is the practice of bypassing the authentication and security measures that are in place on a network, computer, application, or other system to gain unauthorized access to the data or resources of that system. Unauthorized access can be used for malicious purposes such as stealing data, destroying data, or introducing malware into the system. It can also be used for legitimate purposes such as testing the security of the system to ensure that it is secure. In either case, unauthorized access is a violation of the system’s security policy and can have serious consequences.
This type of breach could lead to unauthorized alterations, data manipulation, or other malicious activities.
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You have created a Web page in HTML. When it fails W3C validation, you try changing the HTML standard to make your code more compliant. But the page fails W3C validation tests each time, regardless of standard. Which element that you used to structure the page is failing to validate
Answers
Answer:
<table>
Explanation:
W3C validation is a test applied to web pages codes, containing HTML, CSS and other important web frameworks, to make sure that they follow the right syntax and semantics prescribed by the W3C - World Wide Web Consortium.
When a web page, or simple an HTML document, passes this test then it shows that the set rules for creating web pages, that can be easily rendered across many browsers, have been well followed.
There are many reasons why the test may fail. Some of them are highlighted as follows;
i. Not specifying the Doctype at all. For an HTML document to pass the W3C validation test, it is important to specify the Doctype which tells the browser how to treat the document. If HTML is specified as Doctype, then the browser treats the document as HTML. If none is specified, the browser does not know and may have to guess how to treat the document.
ii. Missing closing tags. HTML is a markup language and the use of tags are very important. Many tags have opening and closing parts such as;
<p> </p>.
Some are self closing such as;
<br />
Now, opening a tag and not closing it will make the test fail.
iii. Not completing important child tags. Some tags have child tags that are very important. Child tags are put inside another tag called the parent tag. An example is the <table> tag which has a few child tags such as <tr>, <tbody> e.t.c
Now, when creating a table, according to the W3C specifications, one or more of the <tr> or <tbody> child tag should be inserted.
Question 11
1 pts
You need to find the square root of a value. Which of the following functions would you
use?
int
fabs
pow
O sqrt
Answers
Answer:
sqrt
Explanation:
Computing is the process of using computer hardware and software to manage, process and transmit data in order to complete a goal-oriented task. It can be classified into the following categories;
If you need to find the square root of a value. The function you would use is sqrt.
In Computer programming, the sqrt () function is a mathematical tool which allows a user to find the square root value of any numerical value (numbers)
For example the code for finding the square root of a value using Python programming language is;
num = 36
\\This is the value of the original number\\
sqrt = num ** (0.5)
print ("The square root of the number "36" is 6")
Answer:
sqrt
Explanation:
i'm in python
Your company's data center has suffered a recent power outage, and corporate applications were unavailable for two days. You have been asked to craft a strategy to quickly continue operations in the event of another outage. What type of availability (HA/DR/FT) would you recommend and why?
Answers
Answer:
I would recommend HA.
Explanation:
HA stands for high availability. High availability is recommended because it has the power to be consistent or operational for a great amount of time. It is one of the features of a system whose objective is to make sure that operational performance is higher than it would be normally. Such a system works by having multiple components and checking regularly to see if each of the components are working fine, in a situation were it isn't, a component that is working well will be switched to.
Which element is included in the shot breakdown storyboard? Which element is included in the shot breakdown storyboard?
A. incues
B. jump cut
C. PKG
D. lead-in
Answers
Answer: jump out
Explanation:
Took the test and it was correct
Answer:
The correct answer to this question is B: Jump Cut
Hope this helps :D
Explanation:
How does making a call differ when using a cell phone public phon box? consider the kinds of user, types of activity and context of use
Answers
Answer:
Explanation:
Making A Call:Public Cell Phone:
A public telephone box is a fixed and noncompact gadget that is associated by the means of electrical wires and is utilized for correspondence by making telephone calls. For settling on the telephone decision, both the telephones ought to be working appropriately and the wires interfacing both the cases ought to likewise be working appropriately without any harm. The voice is communicated starting with one gadget then onto the next as electrical signals pass across the wires.
Cell Phones:
A cellphone is a mobile and versatile gadget whose essential capacity and purpose are to build up correspondence by settling on telephone decisions. Dissimilar to the public telephone box, we don't utilize any wires, rather the correspondence is finished by the methods for a sim card in the telephone which is answerable for building up correspondence between the cellphone and the relating network tower. For the correspondence to occur or call to happen the sim in both the mobile phones should be working appropriately and should be associated with their separate or closest organization towers. The signs are moved from the gadgets to the organization towers which will be additionally moved to wanted cellphones and the other way around or vice versa.
Considering the device design based on:
a) The kinds of User:
Individuals who don't utilize the telephone every now and again and talk for long hours sometimes when they use the telephone, for the most part, lean toward public telephone box since, supposing that you have a mobile cell phone and assuming you don't utilize it much, it is simply misused of cost. Be that as it may, in wireless the expenses are fixed upon the measure of time utilized for settling on telephone call decisions.
b) Type of activity:
Public telephone boxes can be utilized distinctly for settling on telephone decisions whereas personal digital assistance (PDAs, i.e cell phones) can be utilized to settle on telephone decisions, access the web, send instant messages, share pictures and video, and numerous different things.
c) Context of usage:
The context of usage whereby public telephone box is utilized when less often calls are made and the correspondence at whatever point made is for longer periods then public telephone boxes are utilized and furthermore individuals who don't wish to carry and move about with a cell phone and charge each an ideal opportunity to keep up the cell phones for the most part incline toward public telephone box. Individuals who are open to carrying the cell phones and have no issues charging the mobile and who need to settle on telephone decisions oftentimes buy the idea of cell phones over public telephone boxes.
As an independent graphic design contractor, you have been selected by J.W. Mitchell High School to redesign their existing school logo. Who would be considered the "author" and why ?
Answers
Answer: the teacher wil be the author
Explanation:
The independent graphic design contractor selected for the task would be considered the "author" of the redesigned school logo.
The authorship in this scenario lies with the independent graphic design contractor chosen by J.W. Mitchell High School. As the contractor, they possess the creative responsibility and expertise to conceptualize and craft the new logo.
The contractor's artistic skills and professional input determine the logo's final design, making them the "author" who brings the school's vision to fruition through a unique and visually appealing representation of their identity and values.
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how we use boolen search techniques report an improvement?
Answers
The use of Boolean search queries can assure more accurate media monitoring results. It’s especially useful in eliminating extraneous results. Some PR and marketing folks may cringe when they hear they should use “Boolean,” thinking it’s some sort of geeky computer solution that’s beyond their skills. It’s not. The art of constructing Boolean search queries is actually quite easy to learn and master. Mainstream search engines like Go0gle and Blng as well as social media monitoring services such as CyberAlert permit Boolean searches.
What are the primary uses of computer?
Answers
Answer:
Explanation:
Internet commerce, buying and selling items. emailing, and z00m meeting now :D
how do I learn coding???
Answers
Answer:
FIERST LEAR JS ( JAVIA SCRAP) NEXT DM ME ON DISCORD WHEN YOU HAVE THE BASE LERAL ON KAHN ACIMADY
Explanation:
Answer:codeacedmy
Explanation:it gives the best coding tutions
Q2-2) Answer the following two questions for the code given below: public class Square { public static void Main() { int num; string inputString: Console.WriteLine("Enter an integer"); inputString = C
Answers
The code given below is a basic C# program. This program takes an input integer from the user and computes its square. The program then outputs the result. There are two questions we need to answer about this program.
Question 1: What is the purpose of the program?The purpose of the program is to take an input integer from the user, compute its square, and output the result.
Question 2: What is the output of the program for the input 5?To find the output of the program for the input 5, we need to run the program and enter the input value. When we do this, the program computes the square of the input value and outputs the result. Here is what the output looks like:Enter an integer5The square of 5 is 25Therefore, the output of the program for the input 5 is "The square of 5 is 25".The code is given below:public class Square {public static void Main() {int num;string inputString;Console.WriteLine("Enter an integer");inputString = Console.ReadLine();num = Int32.Parse(inputString);Console.WriteLine("The square of " + num + " is " + (num * num));}}
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what must devices that communicate with one another on the internet have in common? group of answer choices be the same brand. use the same internet service provider. use the same internet protocols. be in the same physical location.
Answers
Option-C: Devices that communicate with one another on the internet must have the same internet protocols.
Devices that communicate with one another on the internet must have certain elements in common in order to connect effectively. The internet is a decentralized network, which means that it is not owned by any single organization, but rather is made up of interconnected networks operated by various companies and organizations. Devices that communicate with one another on the internet must have the same internet protocols. An internet protocol is a set of rules that govern how data is transmitted over the internet.
These protocols allow devices to communicate with one another, regardless of their location or the network they are using. In order for two devices to communicate on the internet, they must both be using the same protocols. This ensures that data can be transmitted and received correctly, and that the two devices can understand one another. Therefore, it is important that devices that communicate with one another on the internet must have the same internet protocols.Thus,the correct answer is Option-C:use the same internet protocols.
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Which is an example of a crime that might occur in an e-commerce transaction?
A customer’s new purchase is stolen after delivery.
A customer’s credit card information is stolen and used by someone else.
A customer can easily take merchandise without having to pay for it.
A customer pays an unfair price for the merchandise she bought.
Answers
Answer:
A costumers credit card information is stolen and used by someone else.
Answer:
A customer's credit card information is stolen and used by someone else.
Explanation:
Since e-commerce is online sales, the customer can not take merchandise without having to pay for it.
Also the customer can search for the best price.
The way things are arranged on a publication is referred to as the _____.
style
guides
layout
scheme
Answers
Complete the sentence.
Writing a program so that it hides certain features for low-privilege users is an example of _
making Deny the default
using data validation
applying the principle of least privilege
using a botnet
Answers
Applying the principle of least privilege, which restricts user access to only that which is necessary for their particular position or work, is done, for instance, by writing a programme so that it hides specific features from low-privilege users.
What is an illustration of the least privilege principle?Only those things that enable customers to shop at the store are given access. On the other hand, a truck driver probably has all the rights of a customer in addition to special permissions that grant access to the shipping and receiving area.
What does the least privilege Mcq principle entail?According to the principle of least privilege, each user, program, and process should only be granted the minimal amount of privileges required to carry out their respective tasks.
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help
If we are looking at the predictor "car type," which can take on the values "sedan" "coupe" "truck" "suv" "van" how many binary decision variables would we need to code this data into a usable format?
Answers
If we are looking at the predictor "car type," which can take on the values "sedan" "coupe" "truck" "suv" "van", we would need 4 binary decision variables to code this data into a usable format.
A binary decision variable is a variable with only two possible values: 1 or 0. The variable is referred to as a binary variable, a binary indicator, or a 0-1 variable .The binary variable is used to answer yes/no questions. the binary variable " the binary variable is set to 0.To code the car type data into a usable format, we can use the binary decision variables.
We can use four binary variables to code the data into a usable format. We can use one variable for each category of car type. The values of the binary variables for the different categories are as follows:Sedan - 1000Coupe - 0100Truck - 0010SUV - 0001Using this format, if a car is a sedan, its binary decision variable would be set to 1000. If a car is a coupe, its binary decision variable would be set to 0100, and so on.
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Consider the following instruction mix: R-type I-type (non-lw/sw) Load Store Branch Jump 24% 28% 25% 10% 11% 2% a. What fraction of all instructions use data memory
Answers
Based on the number of instructions that use Data memory, the fraction of instructions that use data memory is 35%.
Which instructions use data memory?The instructions that use data memory in the above table are Load and Store.
This means that the fraction is:
= Store + Load
Solving gives:
= 10% + 25%
= 35%
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1. What was the duration of time for each of your runs for the 2 examples?
2. Which code was faster (while loop or for loop)? How could you tell? OR
If your results were inconclusive (meaning your couldn't really see any
difference), why do you believe this was so?
3. What would account for the variability of the duration?
Answers
Using the knowledge in computational language in C++ it is possible to write a code that code was faster while loop or for loop.
Writting the code:#include <ctime>
int main()
{
const int N=100;
while(clock()<N)
{
}
return 0;
}
main:
sub rsp, 8
.L2:
call clock <<------
cmp rax, 99 <<------
jle .L2 <<------
xor eax, eax
add rsp, 8
ret
#include <ctime>
int main()
{
const int N=100;
for(;clock()<N;)
{
}
return 0;
}
What are C++ exceptions?An exception is a problem that arises during the execution of a program. A C++ exception is a response to an exceptional circumstance that arises while a program is running, such as an attempt to divide by zero. Exceptions provide a way to transfer control from one part of a program to another.
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which language is written using 0s and 1S
Answers
Answer:
binary
Explanation:
a computer speak because of how they are built
When Tomohiro Nishikado invented Space Invaders® in 1978, the microcomputers available in Japan could not handle its initial complexity which led Nishikado to import a CPU from the United States that was integrated into a microprocessor. This is a classic example of what?
A. innovating to overcome a technical challenge
B. the need to import items for any technology to really work
C. how the U.S. is better with technology than Japan
D. quitting when technical challenges arise
Answers
Answer:
The answer is A. Innovating to overcome a technical challenge!
hope this helps! <3
Will creates an entry in his calendar and marks it as an all-day instance. Which item has he created?
Appointment
Meeting
Event
Period
Answers
Answer:
The answer u looking for is event
Answer:
event
Explanation:
Question 2 of 20
The first paragraph or part of a business letter is the
Answers
Answer:
Sorry but please I dont understand the question
An apple cake recipe calls for 454 grams of apples and 50 grams of raisins. How many kilograms of fruit are needed to make 12 cakes?
Answers
Answer:
9.08
Explanation:
Because 454 divided by 50 is 9.08
ONlY OnE pErcEnT oF pEOpLe CaN sOlvE tHiS! i actually need help tho :')
Answers
quotation marks: to set off and represent exact language (either spoken or written)
plus sign: a plus sign is a binary operator that indicates addition or it can also serve as a unary operator that leaves it's operand unchanged (+x means the same as x)
pipe symbol: it separates 2 programs on a command line
or: is used to say you can add 20 or subtract 20
not: is used to say something is not available
I'm not 100% sure this is correct but I hope it helps
Read the following code:
X = totalcost
print(x / 2)
What value will this code calculate? (5 points)
A. Double the total cost
B. Half the total cost
C. Quarter of the total cost
D. Two percent of the total cost
Answers
Multimedia is anything that involves one or more of the following EXCEPT ______. A.) audio files. B.) video files. C.) browsers. D.) graphics.
Answers
Multimedia encompasses various forms of media that include audio files, video files, and graphics. However, it does not involve browsers, making option C) the correct answer.
Multimedia refers to the integration of different forms of media, such as audio, video, and graphics, to convey information or entertain users. It involves the combination of these elements to create interactive and engaging content. Audio files, such as music or podcasts, and video files, such as movies or online videos, are commonly used components of multimedia. Graphics, including images, illustrations, and animations, are also integral to multimedia presentations.
However, browsers, represented by option C), are not a constituent part of multimedia itself. Browsers are software applications that enable users to access and view multimedia content but do not fall under the definition of multimedia itself.
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