2d matrix of 0 and 1's, and determine how many holes
Answers
To determine the number of holes in a 2D matrix of 0s and 1s, one approach is to use a flood fill algorithm to identify each individual connected component. Any component surrounded entirely by 1s is considered a hole, and its count can be incremented accordingly.
Once you have identified all the closed regions, you can count the number of holes by checking if any closed region is completely surrounded by other closed regions. A closed region that is surrounded on all sides by other closed regions is considered a hole. To implement this algorithm, you can use a stack or a queue to keep track of the cells that need to be explored during the flood-fill process. You can also use a separate data structure to keep track of the closed regions that have already been identified. Overall, the complexity of this algorithm will depend on the size of the matrix and the number of closed regions it contains. However, with efficient implementation, you should be able to determine the number of holes in a 2D matrix of 0's and 1's in a reasonable amount of time.
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Related Questions
Select the correct answer from each drop-down menu A manipulator and the end effector work together to execute a robot's tasks A manipulator is a series of joined segments, whose function is to capable of The manipulator is thus
Answers
The end effector and the manipulator collaborate to carry out a robot's operations. A manipulator is made up of a number of connected segments that are used to position and direct the end effector.
Which area of the robotic manipulator is utilized for object positioning within the robot work volume?The robot manipulator is divided into two parts: Body-and-arm - for positioning things within the work volume of the robot. Wrist assembly for object orientation.
Where is the manipulator's end effector connected?An end effector is an accessory that fastens to a robot's wrist and enables it to interact with the task at hand.
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Which mode specifier will open a file but not let you change the file or write to it?.
Answers
'r' is mode specifier will open a file but not let you change the file or write to it.
What is mode specifier ?
An individual word value known as a mode specifier is used to specify a screen mode. This is how it is handled: It is presumed that a number in the range of 0 to 255 is a mode number. Otherwise, it is presumed to be a Sprite Mode if the bottom bit is set. Word (describing a RISC OS 3.5 or RISC OS 5 format sprite) (describing a RISC OS 3.5 or RISC OS 5 format sprite) 2Which technique returns the contents of the file as a string?
In Java, reading material into a specified file is done using the readString() method of the File class. Value Returned The file's content, in String format, is returned by this method.Learn more about mode specifier
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HELP !!! Prompt
What is formatting text?
Answers
Answer:
Formatting text is how something is specifically layed out. Specific style.
Explanation:
Answer: what u mean by that?
Computer not letting me go on password page
I start my computer, I go to the thing to put in my password, it takes me back to the thing with the time and date
Please explain to me what is wrong with my computer and how to fix it
Answers
Images, symbols, and diagrams are types of
art objects
Graphs
graphics
presentation objects
Answers
Answer:
The answer to this question is given below in the explanation section.
Explanation:
The correct answer to this question is :
Graphics
Because Graphics are the visual representation of information without text. Images, symbols, and diagrams are types of graphics. These graphics can be used in presentations to present information visually.
While other options are not correct because:
Art objects are some images or painting that is the artistic creation of aesthetic value. While graphs are the visual presentation of data and there are different presentation objects in PowerPoint such as images, symbols, text, and diagrams, etc. But it is noted that images, symbols, and diagram are not types of presentation objects but it is a type of graphics elements/objects.
20 points
Suppose the following array is declared: int[ ] grades = {88, 92, 95, 83}; and the following integer is declared: int index = 1 + 6 % 3; What is the value of grades[index]?
Answers
Answer:
92
Explanation:
int index = 1 + 6 % 3;
Modulo is calculated before adding, so as first you need to calc 6 % 3, result is 0.
int index = 1 + 0 = 1;
Indexes in arrays starts from 0, ends in length - 1. So first element in the array has 0 as index, second element has 1 as idnex, etc. Your index = 1, so value of the second element in the grades will be your result. Finally, the answer is 92.
Which of these expressions is used to check whether num is equal to value?
num ? value
num = value
num – value
num == value
Answers
Answer:
num-value
Explanation:
is should equal to zero if it is correct.
Answer:
It is num - value
Explanation:
I got it right on the test
question 3 options: fill in the blank with the correct text structure. word bank: sequence, problem and solution, description, cause and effect, compare and contrast linux and windows are both operating systems. computers use them to run programs. linux is totally free and open source, so users can improve or otherwise modify the source code. windows is proprietary, so it costs money to use and users are prohibited from altering the source code.
Answers
Compare and contrast: Linux and Windows are both operating systems. Computers use them to run programs. Linux is totally free and open source, so users can improve or otherwise modify the source code. Windows is proprietary, so it costs money to use and users are prohibited from altering the source code.
What is text structure?Text structure can be defined as a group of words which are used to describe how a writer organizes the texts in a literary work.
The types of text structure.In English language, there are five (5) nonfiction text structures and these include the following;
SequenceDescription (list)Cause and EffectProblem and SolutionCompare and ContrastWhat is compare and contrast?Compare and contrast is used for the comparison of two or more things in order to show similarities and differences the exist between them i.e how they are alike and different.
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Who was Michael Browning? Describe the sketch shown at the beginning of the talk.
Answers
Richard Browning was known to be the man who built his own Real-Life Iron Man Jet Pack Suit.
Who is Richard Browning?He is known to be an Inventor that made a "jet suit". He is also known as the founder and main test pilot of the firm Gravity Industries.
Browning is said to have given or told his about his journey from being in the Royal Marines to a human flight startup at Gravity. This speech was given at the Ted talk.
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suppose a classification tree model you are using produces a split with two terminal nodes with the same label. why do you think this happened? what is the interpretation you give to the result? is there any method(s) you know of that can address the issue?
Answers
The methods that produces split with two terminal nodes with the same label by tree model are-
Calculate the variance of each child node for each split.As the weighted average variance of the child nodes, calculate the variance of each split.The split with the smallest variance should be chosen.Repeat steps 1-3 until all nodes are entirely homogenous. What are nodes?Node is an electronic device. It is the Physical components that can send, receive or forward data.Computer is an electronics devices and also have ability to send, receive or forward data. so this is the reason that, we can say computer is a node in computer network.Know more about nodes click here:
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Translate "God" Into Italian
Answers
Answer:
Dio is god in Italian
Explanation:
hope it helps
Answer:
Dio = God in Italian
when creating a pivottable report, the active cell should be positioned
Answers
When creating a pivot table report, the active cell should be positioned in the data set that will be used to generate the report.
This data set should include all of the necessary information for the pivot table, such as the row and column headers, as well as the data that will be summarized in the table. It is important to ensure that the active cell is located in the correct area of the data set before creating the pivot table, as this will ensure that the table is generated correctly and accurately reflects the desired information. Once the active cell is correctly positioned, the pivot table can be created by selecting the appropriate options and settings, such as the row and column fields, and the values to be summarized. The resulting pivot table report can then be customized and analyzed to provide insights into the underlying data set.
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Which phrase is the best definition of a play?
a story that focuses closely on key details of setting
a story with lots of dialogue and very little description of setting
a story that only makes sense when read aloud by actors
a story told one verse at a time, using lines and sometimes stanza
Answers
A phrase that represents the best definition of a play is a story that focuses closely on key details of a setting. Thus, the correct option for this question is A.
What is a phrase?In literature, a phrase may be defined as the collection or group of words that significantly work together in a sentence but do not contain a subject or a verb.
According to the dictionary of literature, a play is a work of drama, usually consisting mostly of dialogue between characters and intended for theatrical performance rather than just reading.
Therefore, a phrase that represents the best definition of a play is a story that focuses closely on key details of a setting. Thus, the correct option for this question is A.
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When entering numbers that start with a zero, apply the _____ number format.
A. Text
B. Context
C. Zero
D. Zero decimal
Answers
Answer:
The Answer is gonna be D. Zero decimal
drew is examining the logs for his company's web applications. he discovers what he believes is a breach. after further investigation, it appears as if the attacker executed code from one of the libraries the application uses, code that is no longer even used by the application. what best describes this attack
Answers
A web application security evaluation tool called WebInspect aids in finding both known and undiscovered vulnerabilities in the Web application layer.
What is web application?Web application is defined as an application program that is provided over the Internet via a browser interface and kept on a remote server.
Security experts and QA testers can find security vulnerabilities and configuration problems with the aid of WebInspect, an automated DAST solution that offers thorough vulnerability detection.
Thus, a web application security evaluation tool called WebInspect aids in finding both known and undiscovered vulnerabilities in the Web application layer.
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Assignment 6C : Overloaded Sorting. In class, we have primarily used integer arrays as
examples when demonstrating how to sort values. However, we can sort arrays made
of other primitive datatypes as well.
In this assignment, you will create three arrays of size 8; one array will be an integer
array, one will be a char array, and one will be a float array. You will then ask the user
to state what kind of data they want to sort – integers, chars, or floats.
The user will then input 8 values. You will store them in the appropriate array based on
what datatype they initially stated they would use.
You will create a function called sortArray() that takes in an integer array as a
parameter, and two overloaded versions of the same function that take in a char array
and float array as parameters respectively. You will use these functions to sort the
appropriate array and display the sorted values to the user.
Note: You must make overloaded functions for this assignment – they must all be called
sortArray(). You can not create unique, non-overloaded functions like sortArrayChars().
Sample Output #1:
[Overloaded Sort]
What data type do you want to enter? float
Value 1: 3. 4
Value 2: -1. 0
Value 3: 2. 0
Value 4: 10. 3
Value 5: 90. 2
Value 6: 8. 4
Value 7: 8. 6
Value 8: -2. 3
Calling sortArray().
The sorted values are:
-2. 3, -1. 0, 2. 0, 3. 4, 8. 4, 8. 6, 10. 3, 90. 2,
Sample Output #1:
[Overloaded Sort]
What data type do you want to enter? char
Value 1: a
Value 2: c
Value 3: f
Value 4: b
Value 5: e
Value 6: z
Value 7: x
Value 8: y
Calling sortArray().
The sorted values are:
a, b, c, e, f, x, y, z
- Can someone please help me of what the code will look like in Java Programming and the answer to this please?
Answers
To solve this assignment in Java, you need to create three arrays of size 8: one for integers, one for characters, and one for floats.
Here's an example code snippet in Java to implement the given assignment:
import java.util.Arrays;
import java.util.Scanner;
public class OverloadedSorting {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("[Overloaded Sort]\nWhat data type do you want to enter? ");
String dataType = scanner.nextLine();
if (dataType.equalsIgnoreCase("integer")) {
int[] intArray = new int[8];
for (int i = 0; i < 8; i++) {
System.out.print("Value " + (i + 1) + ": ");
intArray[i] = scanner.nextInt();
}
sortArray(intArray);
} else if (dataType.equalsIgnoreCase("char")) {
char[] charArray = new char[8];
for (int i = 0; i < 8; i++) {
System.out.print("Value " + (i + 1) + ": ");
charArray[i] = scanner.next().charAt(0);
}
sortArray(charArray);
} else if (dataType.equalsIgnoreCase("float")) {
float[] floatArray = new float[8];
for (int i = 0; i < 8; i++) {
System.out.print("Value " + (i + 1) + ": ");
floatArray[i] = scanner.nextFloat();
}
sortArray(floatArray);
}
scanner.close();
}
public static void sortArray(int[] array) {
Arrays.sort(array);
System.out.print("Calling sortArray(). The sorted values are: ");
for (int value : array) {
System.out.print(value + ", ");
}
}
public static void sortArray(char[] array) {
Arrays.sort(array);
System.out.print("Calling sortArray(). The sorted values are: ");
for (char value : array) {
System.out.print(value + ", ");
}
}
public static void sortArray(float[] array) {
Arrays.sort(array);
System.out.print("Calling sortArray(). The sorted values are: ");
for (float value : array) {
System.out.print(value + ", ");
}
}
}
In this code, the user is prompted to enter the desired data type. Based on the input, the corresponding array is created, and the user enters the values. The sortArray() function is overloaded to handle sorting and printing of different array types. The sorted values are displayed to the user based on the chosen data type.
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If you have an on-premise system and you use AWS Cloud to mirror data or replicate data from your on-premise system, which architectural pattern are you using?
Select one:
a.
Fully Working Low-Capacity Standby
b.
Pilot Light
c.
Multi-Site Active-Active
d.
Backup and Restore
Answers
The architectural pattern that corresponds to using AWS Cloud to mirror or replicate data from an on-premise system is the Multi-Site Active-Active pattern. By using the Multi-Site Active-Active pattern, organizations can achieve increased scalability, resilience, and disaster recovery capabilities.
In the Multi-Site Active-Active pattern, both the on-premise system and the AWS Cloud infrastructure are active and operational simultaneously. The on-premise system serves as one site, while the AWS Cloud serves as another site. Data is replicated or mirrored between these two sites, ensuring that both systems are synchronized and up-to-date.
This pattern allows for high availability and fault tolerance. In case of a failure or disruption in one site, the other site can seamlessly take over and continue serving the workload. The data replication ensures that the systems stay synchronized, minimizing any potential data loss.
It allows them to leverage the flexibility and scalability of the AWS Cloud while maintaining the on-premise system for certain specific requirements or to distribute the workload across multiple locations.
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Which example best demonstrates an impact of computers on health care?
A. People can play games with other players anywhere in the world.
B. Robotic surgery allows surgeons to make smaller incisions.
C. Drones fly over fields and pinpoint areas where extra watering is
needed.
D. Computers help cities keep traffic flowing by timing and
coordinating stoplights.
SUBMIT
Answers
Explaination: Anything having to do with medical procedures are healthcare so this is my reasoning.
Robotic surgery allows surgeons to make smaller incisions is example best demonstrates an impact of computers on health care.
What is Robotic surgery?A high-definition three-dimensional camera and miniature devices are inserted into the body through tiny incisions made by your surgeon during a robotic surgery; occasionally, skin incisions are not even necessary.
Thus, option B is correct.
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what are the two methods of creating a folder
Answers
Answer:
1. right click empty space, go to New, and click New Folder
2. press Ctrl + Shift + N
Explanation:
1. (10 pts) Truncated Taylor series, useful for deriving conservation laws, are rooted in the idea of infinitesimals and "dropping higher order terms". Using an argument based on infinitesimals, show that dy/dx=4x 3 is the first derivative of y=x 4 based on the observation that "higher order terms" are negligible.
Answers
Using infinitesimals and neglecting higher order terms, the first derivative of y = x⁴ is dy/dx = 4x³.
How can the concept of infinitesimals and neglecting higher order terms be used to show that the first derivative of y = x^4 is dy/dx = 4x^3?To show that the derivative dy/dx = 4x³ is the first derivative of y = x⁴based on the concept of dropping higher order terms using infinitesimals, we can employ the idea of an infinitesimal change in x, denoted as dx.
Considering the function y = x^4, we can express a small change in y as dy = (x + dx)⁴ - x⁴. Expanding the binomial using the binomial theorem, we have dy = x⁴ + 4x³ˣdx + 6x²ˣ(dx)² + 4xˣ(dx)³ + (dx)⁴ - x⁴.
Now, when considering the infinitesimal dx, the terms involving (dx)^2, (dx)³, and (dx)⁴ can be considered negligible since they are of higher order than dx.
Neglecting these higher order terms, we can simplify the expression to dy ≈ 4x³*dx.
Dividing both sides by dx, we get dy/dx ≈ 4x³, which suggests that dy/dx = 4x³ is the first derivative of y = x⁴.
This approximation is valid when the change in x, dx, tends to zero, allowing us to focus on the dominant term and disregard the higher order terms.
Thus, by using the concept of infinitesimals and neglecting higher order terms, we can derive the first derivative of the function y = x⁴ as dy/dx = 4x³.
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FILL IN THE BLANK. In a(n) ____________________ attack, the hacker transmits a large quantity of packets to the router for it to determine an effective and efficient path for transfer.
Answers
In a(n) DDoS (Distributed Denial of Service) attack, the hacker transmits a large quantity of packets to the router for it to determine an effective and efficient path for transfer.
In a DDoS attack, multiple compromised devices, often forming a botnet, are utilized to flood the target router or network with an overwhelming amount of traffic.
This flood of packets exhausts the router's resources, such as bandwidth, processing power, or memory, causing disruption or complete unavailability of services for legitimate users.
The goal of a DDoS attack is to overwhelm the target's infrastructure and render it unable to function properly, resulting in service degradation or downtime.
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The excitation of array elements with dissimilar voltages is called ___ and is used to ___. Group of answer choices
Answers
The excitation of array elements with dissimilar voltages is called beamforming and is used to focus or steer the radiation pattern in a desired direction.
Beamforming is a technique commonly used in antenna arrays and acoustic arrays. By applying different voltages or signal delays to individual elements within the array, constructive or destructive interference can be achieved, resulting in a focused or steered beam of energy. This allows for enhanced signal reception or transmission in a specific direction while minimizing interference from other directions.
Beamforming finds applications in various fields, including wireless communication systems, radar systems, sonar systems, and microphone arrays. It is particularly useful in scenarios where it is desired to transmit or receive signals in a specific direction, such as improving signal strength in a particular coverage area or isolating sound sources in an audio recording.
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the complete question is:
Fil in the blanks with appropriate word -
The excitation of array elements with dissimilar voltages is called ___ and is used to ___.
when choosing between numeric data types, which of the following should not be a concern?
Answers
When choosing between numeric data types, one aspect that should not be a major concern is the memory footprint or storage space occupied by the data type.
While it is true that different numeric data types have varying memory requirements, this concern should not be disregarded entirely. However, in most cases, the memory usage of numeric data types is relatively small compared to other data types like strings or complex objects. The focus should primarily be on selecting the appropriate data type based on the range and precision of the values being represented, as well as the intended arithmetic operations and performance considerations. Memory usage can be optimized later if necessary, but it should not be a primary concern when initially choosing a numeric data type.
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what tool used to construct web sites and other aspects of the online experience was appropriated into a new medium by artists?
Answers
The tool that was appropriated into a new medium by artists to construct web sites and other aspects of the online experience is known as "HTML" (Hypertext Markup Language)
HTML is a standard markup language used for creating the structure and presentation of web pages. Originally developed for building websites, artists and creative practitioners began to explore the possibilities of using HTML as a medium for artistic expression. They started utilizing HTML's elements, tags, and attributes to create interactive and visually engaging digital artworks, net art, and online installations. By repurposing HTML, artists have been able to transcend the traditional boundaries of artistic mediums and explore new forms of creative expression in the digital realm.
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HURRY!!!!!!!!!!!!!
Suppose you have a pictorial drawing of a playground design. How would you represent the length of a slide that is 12 feet long?
Answers
Answer:
You make use of a scale (See Explanation)
Explanation:
Given
Length = 12 feet
Required
How would you represent this on drawing.
Knowing that a length of 12 feet can't be drawn on drawing, the best way to do this is to make use of a scale measurement.
The scale to use depends on you and the size of paper at your disposal.
Assume you adopt a scale of 1 inch: 1 feet
This means that a length of 12 feet will be represented by 12 inches in drawings
In the world of computer languages, whats the most popular language?
Python?
C++?
JavaScript?
Answers
Answer: Currently JavaScript and Python, Css and html are really easy I reccomend learning them first.
Answer:
hi the answer is English
Explanation:
to recognize users across different devices, what is required for user id?
Answers
Answer:
To recognize users across different devices, Sign-in is required for User IDHope it helps
which question is typically addressed during the analysis phase of the web development life cycle?a. how is the website updated?b. how is the website published?c. what information is useful to the users?
Answers
The overall web development process, they typically fall under different phases, such as implementation, deployment, or maintenance, rather than the analysis phase, which primarily focuses on understanding user needs and requirements.
During the analysis phase, the focus is on gathering requirements and understanding the needs of the users and stakeholders. This involves conducting research, user interviews, and usability studies to determine the target audience, their preferences, and the specific information they seek on the website.
By addressing the question of what information is useful to the users, the analysis phase aims to identify the content, features, and functionalities that will meet the users' needs and provide value. This includes considering factors such as user goals, user experience, content organization, and navigation structure.
The analysis phase sets the foundation for the subsequent design and development phases by defining the scope of the website, its content strategy, and the overall user experience. It helps ensure that the website addresses the users' requirements and aligns with the goals of the project.
While questions such as "a. how is the website updated?" and "b. how is the website published?" are important considerations in the overall web development process, they typically fall under different phases, such as implementation, deployment, or maintenance, rather than the analysis phase, which primarily focuses on understanding user needs and requirements.
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The question typically addressed during the analysis phase of the web development life cycle is "c. what information is useful to the users?".
How do you create a variable with the numeric value 5?
Answers
Answer:
They are declared simply by writing a whole number. For example, the statement x = 5 will store the integer number 5 in the variable x.
after receiving the syn-ack, what is the value of the acknowledgement number sent in the ack, given the syn-ack's sequence number is a hexadecimal 73ff?
Answers
After receiving the syn-ack, the value of the acknowledgement number sent in the ack will be the value of the syn-ack's sequence number plus one.
In this case, the syn-ack's sequence number is a hexadecimal 73ff, which is equivalent to a decimal value of 29695. Therefore, the acknowledgement number sent in the ack would be 29696. This acknowledgement number is used to confirm that the data sent in the previous packet has been successfully received by the recipient. It is an important part of the TCP three-way handshake process, which establishes a reliable connection between two devices on a network.
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