define a scheme procedure, named (bfs t) which traverses a binary tree in bfs order and produces a list of the values of the nodes of the tree in the order in which the nodes were "visited."
Answers
A scheme procedure called be defined to traverse binary tree in Breadth-First Search (BFS) order and produce list of node values based on order they visited.
In BFS traversal, nodes are visited level by level, starting from the root and moving left to right. To implement the (bfs t) procedure, you'll need a queue data structure to keep track of nodes to be visited. The algorithm starts by enqueueing the root node. While the queue is not empty, the first node in the queue is dequeued, its value is added to the result list, and its left and right children are enqueued if they exist. This process is repeated until the queue is empty, indicating that all nodes have been visited.
║scheme
(define (bfs t)
(let loop ((queue (list t)) (result '()))
(if (null? queue)
(reverse result)
(let* ((current-node (car queue))
(value (car current-node))
(left (cadr current-node))
(right (caddr current-node)))
(loop (append (cdr queue) (filter not-null? (list left right)))
(cons value result)))))) ║
In this implementation, the "loop" function iterates over nodes using a queue, and the "result" list stores node values in BFS order. The "not-null?" function filters out any null child nodes before enqueueing them, and the "reverse" function reverses the result list to obtain the final BFS order. In contrast to the binary tree, which is a data structure with a defined hierarchy design, the binary search tree has a specific structure. While the nodes of the binary tree have a single parent node and a maximum of two child nodes, the nodes of the binary search tree are present in a predefined order. The primary function of a binary search tree is key searching, but a binary tree can conduct a variety of activities, such as inserting an element, deleting one, etc.
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Related Questions
Question #6
In three to five sentences describe how using active listening at work can help you be better employee
Answers
Answer:
Active listening can help you be better aware of your work assignments and the help that might be needed at your job. Active Listening also improves your communication with co-workers. A fellow co-worker may need help completing something and if you have been a active listener you may be able to help them.
Explanation:
how does a demilitarized zone (dmz) work. A.By preventing a private network from sending malicious traffic to external networks B.by monitoring traffic on a private network to protect it from malicious traffic. C. by interacting directly with external networks to protect. D. by interacting with a private network to ensure proper functioning of a firewall E.by monitoring traffic on external networks to prevent malicious traffic from reaching a private network
Answers
Answer:
C. by interacting directly with external networks to protect a private network.
Explanation:
Data theft can be defined as a cyber attack which typically involves an unauthorized access to a user's data with the sole intention to use for fraudulent purposes or illegal operations. There are several methods used by cyber criminals or hackers to obtain user data and these includes DDOS attack, SQL injection, man in the middle, phishing, etc.
Phishing is an attempt to obtain sensitive information such as usernames, passwords and credit card details or bank account details by disguising oneself as a trustworthy entity in an electronic communication usually over the internet.
Phishing is a type of fraudulent or social engineering attack used to lure unsuspecting individuals to click on a link that looks like that of a genuine website and then taken to a fraudulent web site which asks for personal information.
In order to prevent a cyber attack on a private network, users make use of demilitarized zone (DMZ) depending on the situation.
A demilitarized zone (DMZ) work by interacting directly with external networks to protect a private network.
Sparse Arrays in C++ HackerRank
There is a collection of input strings and a collection of query strings. For each query string, determine how many times it occurs in the list of input strings.
For example, given input strings = ['ab, 'ab', 'abc'], and queries = ['ab', 'abc','bc'] , we find instances of 'ab', of 'abc' and of 'bc'. For each query, we add an element to our return array, returns = [2,1,0].
Function Description
Complete the function matchingStrings in the editor below. The function must return an array of integers representing the frequency of occurrence of each query string in strings.
matchingStrings has the following parameters:
strings - an array of strings to search
queries - an array of query strings
Input Format
The first line contains and integer , the size of .
Each of the next lines contains a string .
The next line contains , the size of .
Each of the next lines contains a string .
Constraints
.
Output Format
Return an integer array of the results of all queries in order.
Sample Input 1
4
aba
baba
aba
xzxb
3
aba
xzxb
ab
Sample Output 1
2
1
0
Explanation 1
Here, "aba" occurs twice, in the first and third string. The string "xzxb" occurs once in the fourth string, and "ab" does not occur at all.
Sample Input 2
3
def
de
fgh
3
de
lmn
fgh
Sample Output 2
1
0
1
Source Code in C++
// Complete the matchingStrings function below.
vector matchingStrings(vector strings, vector queries) {
vector vect; for(int i=0;i< queries.size();i++){ vect.push_back(0);
for(int j=0;j< strings.size(); j++){ if(queries[i]==strings[j]) vect[i]++; } } return vect; }
}
Please explain each line of code and please explain the logic behind each line of code. For example, explain why we need push_back(0) and why there is a 0 inside the parentheses.
Answers
Based on the given problem description, here's the implementation of the `matchingStrings` function in Python:
```python
def matchingStrings(strings, queries):
result = []
# Create a dictionary to store the frequency of input strings
frequency = {}
for string in strings:
frequency[string] = frequency.get(string, 0) + 1
# Count the occurrences of each query string
for query in queries:
count = frequency.get(query, 0)
result.append(count)
return result
```
The `matchingStrings` function takes two parameters: `strings`, which is a list of input strings, and `queries`, which is a list of query strings. The function returns a list of integers representing the frequency of occurrence of each query string in the input strings.
The function first creates an empty dictionary called `frequency` to store the frequency of each input string. It iterates over the `strings` list and updates the frequency count in the dictionary using the `get()` method.
Then, it iterates over the `queries` list and retrieves the frequency count from the `frequency` dictionary for each query string using the `get()` method. If a query string is not found in the `frequency` dictionary, it returns a default value of 0. The count is then appended to the `result` list.
Finally, the function returns the `result` list containing the frequency of occurrence for each query string in the input strings.
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The input force used to provide power to a machine is the _____.
Linkage
Powertrain
Power Adapter
Power Source
Answers
Answer:
D power source
Explanation:
whitebox learning
Mark me as Brainliest i will give you 25 points please
Answers
Answer:
will try
Explanation:
:)
What is the size of BIOS?
Answers
Answer:
The size of BIOS is 32 megabytes
Answer:
32 megabytes
Explanation:
55 POINTS, IN JAVA
In this program, you need to make an upright tree that contains stars *. Your output should look like:
*
* *
* * *
* * * *
* * * * *
* * * * * *
* * * * * * *
* * * * * * * *
* * * * * * * * *
Hint: You will need to create a variable that controls how far the * is from edge of the console. That variable should change size each iteration through the outer loop!
Answers
public class JavaApplication82 {
public static void main(String[] args) {
for (int i = 1; i <= 9; i++){
for (int w = 0; w < i; w++){
System.out.print("*");
}
System.out.println("");
}
}
}
This works for me.
If you attend a regionally accredited college, your a0 will most likely always be accepted at any college.
Answers
Answer:
The credits you take at a regionally accredited college will most likely always be accepted at any college.
Attending a regionally accredited college generally increases the likelihood that academic credits will be accepted by other colleges or universities.
Academic credits are a measurement used in higher education to quantify the amount of learning or academic work completed by a student. They serve as a way to track and recognize the progress made toward completing a degree or program.
Each course or module within a degree program is assigned a specific number of credits, which represents the estimated amount of time and effort required to successfully complete the course.
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Can someone give me the code for the edhesive 3.7 code practice for python? Thanks. The first person to give a correct answer will get brainlyist.
Answers
Answer:
Try
568458
448952
123456
Also just keep hitting keys till u get it :)
Explanation:
Hope this helps u plz mark brainliest
Which term describes a character used to separate items in a text file?
extension
delimiter
csv
path
Answers
Answer:
delimiter
Explanation:
on gosh
Which of the following represent advantages of GPL-licensed software? Check all of the boxes that apply
It is always free of cost.
It allows the source code to be modified.
It can be redistributed by the user.
It can be included in proprietary software.
It can be modified and re-sold as proprietary software.
Answers
Open source software can be copied, modified, and redistributed under the provisions of the GNU Public Licence, sometimes known as the GNU GPL or just the GPL. Thus, option A,C is correct.
What best define about GPL-licensed software?Both apply whether the program is given out or purchased. Software must come with either a copy of the source code or explicit directions on how to obtain one.
Therefore, Because it cannot be used with proprietary software, the GPL is referred to be a “strong” licence. Any copies of the software that are distributed must be licensed under the GPL, and the GPL requires that all modifications to the original source code be disclosed.
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Answer:B,C
Explanation:
IM JUST SMART
Eter lacy (placy) has taken an extended leave from the company for personal reasons. however, he was working on a critical project code named white horse with several other employees. the project leader requested that you move any white horse documents in peter lacy's home directory to brenda cassini's (bcassini's) home directory. you're logged on as wadams. use the mv command to move files. you must log in as the root user to have the necessary permissions to move other people's files. in this lab, your task is to: switch to the root user using 1worm4b8 for the root user password. you must have root user permissions to move other people's files. move the following files in placy's home directory to bcassini's home directory. confid_wh projplan_wh when you're finished, use the ls command to verify the new location of the files
Answers
The Linux commands to be used in moving files include the following:
mv/home/placy/confid_wh/home/bcassinimv/home/placy/projplan_wh/home/bcassiniWhat is a Linux command?A Linux command can be defined as a software program (utility) that is designed and developed to run on the command line, so as to enable an end user perform both basic and advanced tasks by entering a line of text.
In this scenario, the Linux commands to be used in performing various tasks include the following:
Switch user (su), and then enter the password (1worm4b8).Move (mv)/home/placy/confid_wh/home/bcassiniMove (mv)/home/placy/projplan_wh/home/bcassiniUse ls-l/home/bcassini to verify the new location files.Note: You've to log in as the root user (placy) before you can move his files.
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how can online presence help others?
Answers
Answer:
Online Presence helps others who might be naturally introverted, stuck in a precarious situation, or even by allowing someone company who desperately needs it.
Explanation:
what do you think are the IPO components in an online movie ticket booking system?
Pls answer correctly ASAP
Answers
Explanation:
Online Movie Ticket Booking System is a website to provide the customers facility to book tickets for a movie online and to gather information about the movies and theaters. Customer needs to register at the site to book tickets to the movie
Advantages of Online Booking Systems
Your business is open around the clock. ...
You can maximize reservations. ...
You get paid quicker. ...
You're not tied to a phone. ...
You can effortlessly up-sell add-ons. ...
It's easy to manage your calendar. ...
You get valuable insight about your business
Within a word processing program, predesigned files that have layout and some page elements already completed are called
text boxes
templates.
frames
typography
Answers
Answer:
I think it's B) templates
Sorry if it's wrong I'm not sure!!
Explanation:
Within a word processing program, predesigned files that have layout and some page elements already completed are called: B. templates.
In Computers and Technology, word processor can be defined as a processing software program that is typically designed for typing and formatting text-based documents. Thus, it is an application software that avail end users the ability to type, format and save text-based documents such as .docx, .txt, and .doc files.
A template refers to a predesigned file or sample in which some of its page elements and layout have already completed by the software developer.
In this context, predesigned files in a word processing program, that have layout and some page elements already completed by the software developer is referred to as a template.
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the command tools in microsoft excel are found on the _____.
A.tool tips
B.dialog box launcher
C.ribbon
D.status bar
Answers
Answer:
the command tools in microsoft excel are found on the tool tips
Vani is trying to connect a microphone to her laptop. What are the two way she can connect the microphone?
1. through Bluetooth
2. through HDMI
3. through USB-C
4. through DisplayPort
5. through modem card
Answers
Correct answer is "Through Bluetooth" and "Through USB-C"
explanation: Plato correct answer
Vani can connect a microphone to her laptop using the following two ways Through USB-C and Through Bluetooth. The correct option is option (1) and (3).
Through USB-C: Many laptops nowadays come with USB-C ports that support audio input/output. Vani can connect a microphone directly to the USB-C port using a compatible USB-C to 3.5mm audio adapter or a USB-C microphone.
Through Bluetooth: If Vani's laptop supports Bluetooth connectivity and the microphone she wants to use is Bluetooth-enabled, she can pair the microphone with her laptop wirelessly. This allows her to connect and use the microphone without any physical cables.
Therefore, Vani can connect a microphone to her laptop using the following two ways Through USB-C and Through Bluetooth. The correct option is option (1) and (3).
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which symptom of disease usually arises when an infection or nervous stimulation irritates the bowel wall, resulting in increase peristalsis?
Answers
The symptom of disease usually arises when an infection or nervous stimulation irritates the bowel wall, resulting in increase peristalsis is diarrhea.
What is peristalsis?This is seen as an uncontrollable contraction and relaxation of a canal's muscles, either in the intestine or elsewhere, resulting in wave-like movements that force the canal's contents forward.
Therefore, in regards to the case above, Viruses and even tainted food occasionally cause diarrhea. A less common possibility is that it's a symptom of another condition like irritable bowel syndrome or inflammatory bowel disease. Constipation that is loose, watery, and possibly more frequent is known as diarrhea.
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3.
An open path has these, but a closed path does not.
a. endpoints
b. terminators
c. segments
d. anchor points
Answers
The prices that firms set are a function of the costs they incur, and these costs, in turn, depend on (Check all that apply. )A. The nature of the production function. B. The prices of inputs. C. Consumer preferences. D. The money supply
Answers
The prices that firms set are a function of the costs they incur, and these costs, in turn, depend on:
A. The nature of the production function.
B. The prices of inputs.
What the costs depend onThe costs that the companies set are dependent on the nature of production and the prices of inputs. The nature of production takes into account the kind of technology used and the processes involved.
Also, the raw materials are the inputs that must be accounted for. So, the company will factor in all of these important points before they set the costs of their goods.
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What is the significance of the scientific method?
Answers
The scientific method is a widely accepted way of revising and rechecking the work of scientists to see if:
1. The answers match up
2. The experiment was performed correctly
3. The results are accurate
Through the scientific method, the probability is very high that things will not go wrong. The significance of this is that if the scientific method is not applied to an experiment, nobody knows the results. If nobody knows the results, there are many possible unintended consequences that could happen. Hope this helps!
help i don't know the answer
Answers
A test bed is an environment with all the necessary hardware and software to test a software system or component.
What is meant by hardware and software?The term "hardware" describes the actual, outward-facing parts of the system, such as the display, CPU, keyboard, and mouse. Contrarily, software refers to a set of instructions that allow the hardware to carry out a certain set of activities.RAM, ROM, Printer, Monitor, Mouse, Hard Drive, and other items are some examples of hardware. Software examples include, MySQL, Microsoft Word, Excel, PowerPoint, Notepad, Photoshop, and more.System software, utility software, and application software are some of the numerous kinds of software that can be used with computers.Office suites, graphics software, databases, database management software, web browsers, word processors, software development tools, image editors, and communication platforms are some examples of contemporary applications. software for a system.To learn more about hardware and software, refer to:
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What happens when you change just ONE character in your input string?
Answers
two different e10 teams plotted the same stiffness data on the following graphs. q30 what is the correct stiffness value?
Answers
The correct stiffness value in the provided graphs is q30, which needs to be determined through a careful analysis of the data.
When comparing the two graphs plotted by the different e10 teams, it is crucial to identify the point of interest, which is q30 in this case. To determine the correct stiffness value, we need to examine both graphs and consider factors such as data consistency, reliability of measurements, and any potential sources of error. In the first graph, the data points related to q30 should be carefully analyzed. Look for any outliers or inconsistencies that might affect the stiffness value. Consider the overall trend of the graph and observe if there are any sudden variations or irregular patterns surrounding q30.
Similarly, in the second graph, focus on the data points corresponding to q30. Analyze the consistency of the measurements and evaluate the reliability of the graph. Look for any significant deviations or discrepancies that could impact the stiffness value. After a thorough examination of both graphs, compare the stiffness values associated with q30. If there is a clear consensus between the two graphs, the corresponding stiffness value can be considered correct. However, if there is a discrepancy, further investigation is needed. Consider factors such as measurement techniques, equipment calibration, and experimental procedures to identify any potential sources of error. Ultimately, the correct stiffness value can only be determined by carefully analyzing the data, considering the reliability of the graphs, and accounting for any factors that may affect the measurements.
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If C2=20 and D2=10 what is the result of the function = mathcal I F(C2=D2,^ prime prime Ful "Open")?
Open
Unknown
Full
10
Answers
Excel IF functions are used to test conditions.
The result of the IF function is (a) Open
The function is given as: = IF(C2 = D2, "Full","Open")
Where: C2 = 20 and D2= 10
The syntax of an Excel IF conditional statement is: = IF (Condition, value_if_true, value_if_false)
The condition is: IF C2 = D2
The values of C2 and D2 are: 20 and 10, respectively.
This means that, 20 does not equal 10.
So, the value_if_false will be the result of the condition.
In other words, the result of the IF function is (a) Open
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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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Give some examples of unsupervised learning for human activity recognition using smartphone..
PLEASE ANSWER CLEARLY...DON'T ANSWER IF YOU DON'T KNOW THE ANSWER.
Answers
Unsupervised learning, commonly referred to as unsupervised machine learning, analyzes and groups unlabeled datasets using machine learning algorithms.
What is unsupervised learning?Unlabeled data are grouped using the data mining technique of clustering according to their similarities or differences. Algorithms called clustering are used to organize raw, unclassified data objects into groups that can be visualized as patterns or structures in the data.
Several types of clustering algorithms, including exclusive, overlapping, hierarchical, and probabilistic methods, can be distinguished.
An unsupervised method known as a probabilistic model aids in the resolution of density estimates or "soft" clustering issues. Data points are grouped in probabilistic clustering according to how likely it is that they fall under a given distribution.
Therefore, Unsupervised learning, commonly referred to as unsupervised machine learning, analyzes and groups unlabeled datasets using machine learning algorithms.
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What can you add to your presentation from the Insert tab?
Animations
Pictures
Variants
Transitions
Answers
Answer:
B. PICTURES
Explanation:
Answer:
I know its late but pictures is the answer.
Explanation:
I took the test and got it right.
I have asked that my account that i have been charged all summer long be canceled. i need a return call today to talk to someone asap 724.290.0332
Answers
There is a considerable potential that it could be altered for editing purposes if the aforementioned replay was recorded using editing software.
What is editing software?On a non-linear editing system, video editing software, also known as a video editor, is used to execute post-production video editing of digital video sequences. Both analog video tape-to-tape online editing devices and conventional flatbed celluloid film editing tools have been superseded by it. Any software program that can edit, modify, produce, or otherwise manipulate a video or movie file is referred to as video editing software. With the aid of a video editor, you can chop and arrange a video to improve its flow or add effects to make it more visually appealing.To learn more about editing software, refer to:
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Write a program to test if a double input from the keyboard is equal to the double 12.345. If the input is equal to 12.345, print "YES" (without the quotes).
Sample run 1:
Please enter a double:
54.321
Sample run 2:
Please enter a double:
12.345
YES
Answers
They use the knowledge of computational language in python it is possible to write a code write a program to test if a double input from the keyboard is equal to the double 12.345.
Writting the code:#include <stdlib.h>
#include <iostream>
#include <vector>
#include <exception>
#include <string>
const char *PROMPT = "Feed me: ";
const int MAXITEMS = 3;
std::string insultarr[] = {
"Wrong!",
"Can't you get it right?",
"You suck!",
"Sigh...I can get better answers from a toad...",
"OK...Now I'm worried about you"
};
std::vector<std::string> insult(insultarr, insultarr+4);
struct ooopsy: std::exception {
const char* what() const _NOEXCEPT { return "Doh!\n"; };
};
class Average {
public:
Average() : runningSum(0.0), numItems(0) {
}
void insertValue(int i1) {
runningSum += static_cast<double>(i1);
numItems++;
}
void insertValue(double i1) {
runningSum += i1;
numItems++;
}
void getInput() {
std::string lineInput;
char *endp;
ooopsy myBad;
bool first = true;
// Show your teacher you can use iterators!!!!!!
std::vector<std::string>::iterator insultItr =
insult.begin();
for (;;) {
if (first) {
first = false;
} else {
if (insultItr != insult.end())
std::cout << *(insultItr++) << std::endl;
else {
std::cout << "No soup for you!" << std::endl;
throw myBad;
}
}
std::cout << PROMPT;
std::cin >> lineInput;
int value = strtol(lineInput.c_str(), &endp, 10);
if (errno == EINVAL || errno == ERANGE || *endp != '\0') {
errno = 0;
double dvalue = strtod(lineInput.c_str(), &endp);
if (errno == ERANGE || *endp != '\0') {
continue;
}
insertValue(dvalue);
return;
} else {
insertValue(value);
return;
}
}
}
// Show your teacher you are super smart and won't need to
// store intermediate data in an array or vector and use a
// running average!!!!!
double calculateRealAve() {
if (numItems == 0)
return 0.0;
else
return runningSum / numItems;
}
private:
double runningSum;
int numItems;
};
int main(int argc, char** argv) {
Average* ave = new Average();
for (int i = 0; i < MAXITEMS; i++) {
ave->getInput();
}
std::cout << ave->calculateRealAve() << std::endl;
}
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