Implement the function create_prefix_lists(list) that will return a sequence of lists, each containing a prefix of list. All the lists should be collected as one big list. For example, for [2, 4, 6, 8, 10] the function should return [[], [2], [2, 4], [2, 4, 6], [2, 4, 6, 8], [2, 4, 6, 8, 10]]. Note: recursion can not be used for this solution, if you are familiar with the concept.

Function are collections of named code blocks, that are executed when called or evoked.

The setKthDigit function written in Python, where comments are used to explain each line is as follows

#This defines the function

def setKthDigit(n, k, d):

   #If the number of digits in n is greater than k

   if len(str(n)) > k:

       #This splits the number into a list

       myWord = list(str(n))

       #This reverses the list

       myWord.reverse()

       #This updates the kth digit

       myWord[k] = str(d)

       #This reverses the list

       myWord.reverse()

       #This initializes string newStr

       newStr = ''

       #This following loop creates the the number to return, as string

       for i in myWord:

           newStr+=i

   #If otherwise

   else:

       #This initializes string newStr

       newStr = ''

       #This following loop creates the the number to return, as string

       for i in range(1+k-len(str(n))):

           newStr+=str(d)

       newStr+=str(n)

   #This returns the updated number, as an integer

   return int(newStr)

Read more about functions at:

brainly.com/question/19360941

Final answer:

The function setKthDigit replaces the kth digit of an integer n with a digit d, considering the rightmost digit as the 0th. The implementation involves string manipulation and careful handling of the sign of the input number.

Explanation:

To implement the setKthDigit function in Python, you need to first understand how to manipulate individual digits of a number. This involves converting the number into a string to easily access and modify specific digits. Then, you will convert the string back to an integer to return the final result. Below is a Python code snippet that demonstrates how to accomplish this task:

def setKthDigit(n, k, d):
   n_str = str(abs(n)) # Convert the absolute value of n to a string
   if k >= len(n_str): # Check if k is within the bounds of the number
       return n # Return n as is if k is out of bounds
   modified_n_str = n_str[:-k-1] + str(d) + n_str[-k:] if k != 0 else n_str[:-1] + str(d)
   result = int(modified_n_str)
   return result if n >= 0 else -result # Keep the original sign of n

This function works by first converting the number n into a string to easily manipulate its digits. If the digit to be replaced is indeed in the bounds of the number, the string is modified by replacing the kth digit with d. The modified string is then converted back to an integer, taking care to preserve the original sign of n.

Answer:

Ans1.

double calc_a;

calc_a=Math.pow(3.0,2.0)+Math.sqrt(9);

Ans2.

double calc_b;

calc_b=((12.0/3.0)-(2.0*4.0));

Ans 3.

double calc_c;

calc_c=(Math.sqrt(16.0)*(7.0+9.0));

Ans 4.

double calc_d;

calc_d=Math.pow(7.0,2.0)/Math.sqrt(49.0);

Explanation:

The expressions are done with Java in answer above.

To solve these calculations, we can use mathematical functions on a calculator.

To solve these calculations, we can use the mathematical functions on a calculator.

Calculation A:

To add the square of 3 to the square root of 9, we can write it as follows:

calc_a = [tex]3^2 + sqrt(9)[/tex]

calc_a = 9 + 3

calc_a = 12

Calculation B:

To subtract the division of 12 by 3 from the multiplication of 2 and 4, we can write it as follows:

calc_b = (2 * 4) - (12 / 3)

calc_b = 8 - 4

calc_b = 4

Calculation C:

To multiply the square root of 16 by the sum of 7 and 9, we can write it as follows:

calc_c = sqrt(16) * (7 + 9)

calc_c = 4 * 16

calc_c = 64

Calculation D:

To divide the square of 7 by the square root of 49, we can write it as follows:

calc_d = [tex](7^2) / sqrt(49)[/tex]

calc_d = 49 / 7

calc_d = 7

Bob can use a hash chain method with a cryptographic hash function to send a message daily, validating his aliveness without risk of replay attacks. Each day he reveals the previous hash in the chain, which can be verified by hashing to obtain the initially shared value.

In order for Bob to prove he is still alive and has not been captured, without the risk of replay attacks, a strategy called hash chain can be employed using the cryptographic hash function. Bob starts with his secret random number x and computes a hash of it, H(x). He then repeatedly applies the hash function to this result a number of times equal to the number of days he needs to send a message (in this case, 7 times since he is there for a week), resulting in y = H(H(H(H(H(H(H(x))))))).

Each day, Bob unveils the previous hash in the chain. For example, on the first day, he sends H(H(H(H(H(H(x)))))), which anyone can hash once to verify it leads to y, the value his boss already knows. On the second day, he sends H(H(H(H(H(x))))), and so on. This proves that each message can only have come from someone with knowledge of the previous day's secret -- presumably, Bob himself. Because hash functions are one-way, even if someone knows the value H(x), they cannot reverse-engineer to find x.

This method ensures that even if the Cyberian Intelligence Agency (CIA) intercepted a message, they could not fake a future message since they would not be able to produce the next hash in the sequence without knowing the current one.

Answer:

Check the explanation

Explanation:

Script:

#!/usr/bin/ksh

#using awk to manipulated the input file

if [ $# != 1 ]

then

echo "Usage: 08-numMajors.sh <file-name>"

exit 1

fi

if [ -f $1 ]

then

awk '

BEGIN {

FS=","

i=0

flag=0

major[0]=""

output[0]=0

total=0

}

{

if ($3)

{

for (j=0; j<i; j++)

{

# printf("1-%s-%s\n", major[j], $3);

if(major[j] == $3)

{

flag=1

output[j] = output[j] + 1;

total++

}

}

if (flag == 0)

{

major[i]=$3

output[i] = output[i] + 1;

i++;

total++

}

else

{

flag=0

}

}

}

END {

for (j=0; j<i; j++)

{

if(output[j] > 1)

printf("There are %d `%s` majors\n", output[j], major[j]);

else

printf("There is %d `%s` major\n", output[j], major[j]);

}

printf("There are a total of %d students in this class\n", total);

}

' < $1

else

echo "Error: file $1 does not exist"

fi

Output:

USER 1> sh 08-numMajors.sh sample.txt

There are 4 ` Computer Information Systems` majors

There is 1 ` Marketing` major

There are 2 ` Computer Science` majors

There are a total of 7 students in this class

USER 1> sh 08-numMajors.sh sample.txtdf

Error: file sample.txtdf does not exist

USER 1> sh 08-numMajors.sh

Usage: 08-numMajors.sh <file-name>

USER 1> sh 08-numMajors.sh file fiel2

Usage: 08-numMajors.sh <file-name>

Answer:

ROOT

Explanation:

Correct me if I'm wrong but I'm pretty sure it's called a "Root Folder" meaning it is the very first folder in the list

Answer:

(a) The block size = 16 words (b) the format for the sizes of the tag, block, and word fields are stated below:

Tag Block Offset  

11 bits 5 bits 4 bits

(c)The memory address 0DB63 will map to 22nd block and 3 byte of a block. (d)  The main advantage of the cache is, when the cache block is made larger or bigger then, there are fewer misses. this occur when the data in the block is used.

One of the disadvantage is that if the data is not used before the cache block is removed from the cache, then it is no longer useful. here there is also a larger miss penalty.

Explanation:

Solution

(a)The Cache of 32 blocks and the memory is word addressable  

The main memory size is not stated, so let's consider it as 2^20  

The main memory size = 2^20  

The block size = 16 words  

The Number of blocks = main memory size/ block size = 2^20/16. = 2^16= 64 K words.

(b) The Main memory is 2^20, which says it is 1 M words size and it requires 20 bits  

Now,

From which 32 cache block requires 2^5, 5 bits and block size means offset requires 2^4, 4 bits

Thus, the sizes of the tag, block, and word fields are stated below:

Tag Block Offset  

11 bits 5 bits 4 bits

(c)The hexadecimal address is 0DB63 , its binary equivalent is  

0000 1101 1011 0110 0011  

The tag = ( first 11 bits) = 0000 1101 101  

block = ( next 5 bits ) = 1 0110  

offset = ( next 4 bits ) = 0011  

Therefore, the memory address 0DB63 will map to 22nd block and 3 byte of a block.

(d) The main advantage of the cache is that, when the cache block is made larger or bigger then, there are fewer misses. this occur when the data in the block is used.

One of the disadvantage is that if the data is not used before the cache block is removed from the cache, then it is no longer useful. here there is also a larger miss penalty.

In this exercise we want to use computer and C++ knowledge to write the code correctly, so it is necessary to add the following to the informed code:

(a) The block size = 16 words

(b) Tag Block Offset  

11 bits 5 bits 4 bits

(c)The memory address 0DB63 will map to 22nd block and 3 byte of a block.

(d)  The main advantage of the cache is, when the cache block is made larger or bigger then, there are fewer misses. One of the disadvantage is that if the data is not used before the cache block is removed from the cache, then it is no longer useful.

So analyzing the first question about the code we find that:

(a)The Cache of 32 blocks and the memory is word addressable :

(b) Says it is 1 M words size and it requires 20 bits. Now, from which 32 cache block requires 2^5, 5 bits and block size means offset requires 2^4, 4 bits. Thus, the sizes of the tag, block, and word fields are stated below:

(c)The hexadecimal address is 0DB63 , its binary equivalent is  

Therefore, the memory address 0DB63 will map to 22nd block and 3 byte of a block.

(d) The main favored position or circumstance of the cache happen that, when the cache block is created best or considerable therefore, there happen hardly any misses. this take place when the information in visible form in the block exist secondhand. One of the loss exist that if the data exist not secondhand before the cache block exist detached from the cache, then it exist not any more valuable. in this place there exist in addition to a best miss punishment.

See more about computer at brainly.com/question/950632

Answer:

See explaination

Explanation:

Looking at telecommunications network, a link is a communication channel that connects two or more devices for the purpose of data transmission. The link is likely to be a dedicated physical link or a virtual circuit that uses one or more physical links or shares a physical link with other telecommunications links.

Please check attachment for further solution.

Answer:

See explaination

Explanation:

// Complex.h

#ifndef COMPLEX_H

#define COMPLEX_H

#include <iostream>

using namespace std;

class Complex

{

friend ostream &operator<<(ostream &, const Complex &);

friend istream &operator>>(istream &, Complex &);

private:

// Declare variables

double real;

double imaginary;

public:

// Constructor

Complex(double = 0.0, double = 0.0);

// Addition operator

Complex operator+(const Complex&) const;

// Subtraction operator

Complex operator-(const Complex&) const;

// Multiplication operator

Complex operator*(const Complex&) const;

// Equal operator

Complex& operator=(const Complex&);

bool operator==(const Complex&) const;

// Not Equal operator

bool operator!=(const Complex&) const;

};

#endif

// Complex.cpp

// Header file section

#include "Complex.h"

#include <iostream>

using namespace std;

// Constructor

Complex::Complex( double realPart, double imaginaryPart )

: real( realPart ),

imaginary( imaginaryPart )

{

// empty body

}

// Addition (+) operator

Complex Complex::operator+( const Complex &operd2 ) const

{

return Complex( real + operd2.real,

imaginary + operd2.imaginary );

}

// Subtraction (-) operator

Complex Complex::operator-( const Complex &operd2 ) const

{

return Complex( real - operd2.real,

imaginary - operd2.imaginary );

}

// Multiplication (*) operator

Complex Complex::operator*( const Complex &operd2 ) const

{

return Complex(

( real * operd2.real ) + ( imaginary * operd2.imaginary ),

( real * operd2.imaginary ) + ( imaginary * operd2.real ) );

}

// Overloaded = operator

Complex& Complex::operator=( const Complex &right )

{

real = right.real;

imaginary = right.imaginary;

return *this; // enables concatenation

} // end function operator=

bool Complex::operator==( const Complex &right ) const

{

return ( right.real == real ) && ( right.imaginary == imaginary )

? true : false;

}

bool Complex::operator!=( const Complex &right ) const

{

return !( *this == right );

} // end function operator!=

ostream& operator<<( ostream &output, const Complex &complex )

{

output << "(" << complex.real << ", " << complex.imaginary << ")";

return output;

}

istream& operator>>( istream &input, Complex &complex )

{

input.ignore();

input >> complex.real;

input.ignore( 2 );

input.ignore();

return input;

}

// ComplexMain.cpp

// Header file section

#include <iostream>

#include "Complex.h"

using namespace std;

// main method

int main()

{

// Declare complex numbers

Complex x, y(4.3, 8.2), z(3.3, 1.1), k;

cout << "Enter a complex number in the form: (a, b): ";

// Demonstrating overloaded

// Accept a complex number

cin >> k;

// Display complex numbers

cout << "x: " << x

<< "\ny: " << y

<< "\nz: " << z

<< "\nk: " << k << '\n';

// Operator overloading

// Adding two complex numbers

x = y + z;

cout << "\nx = y + z:\n"

<< x << " = "

<< y << " + " << z << '\n';

// Subtract two complex numbers

x = y - z;

cout << "\nx = y - z:\n"

<< x << " = " << y << " - " << z << '\n';

// Multiply two complex numbers

x = y * z;

cout << "\nx = y * z:\n"

<< x << " = " << y << " * " << z << "\n\n";

if (x != k)

{

cout << x << " != " << k << '\n';

}

cout << '\n';

x = k;

if (x == k)

{

cout << x << " == " << k << '\n';

}

return 0;

}

Answer:

See explaination

Explanation:

def remove_italicized_text(x):

ans = ""

n = len(x) # length of string

i = 0

while i < n:

if x[i:(i+3)] == "<i>": # check for opening italic html tag

i += 3

cur = ""

while i < n:

if x[i:(i+4)] == "</i>": # check for closing italic html tag

break

cur += x[i]

i += 1

i += 4

ans += cur # add the text between two tags into output string

ans += " " # adding a space between two next

ans += cur # add the text again

else:

ans += x[i]

i += 1

return ans

sentence = "<i>Stony Brook</i>"

print("sentence = " + sentence)

print("Return value: " + remove_italicized_text(sentence))

print("\n")

sentence = "I <i>love</i> SBU, yes I do!"

print("sentence = " + sentence)

print("Return value: " + remove_italicized_text(sentence))

print("\n")

sentence = "Hey <i>Wolfie</i>, he's so fine, we hug him <i>all the time</i>!"

print("sentence = " + sentence)

print("Return value: " + remove_italicized_text(sentence))

print("\n")

sentence = "This text has no italics tags."

print("sentence = " + sentence)

print("Return value: " + remove_italicized_text(sentence))

print("\n")

Answer:

see explaination

Explanation:

SIG{INT} = sub {

`mv unprocessed.txt processed.txt`;

print "\n";

exit;

};

`ps aux > unprocessed.txt`;

print "Press 'q' to exit or 'ctrl-c' to process the file and exit:\n";

$inp = <>;

if ($inp == 'q')

{

exit;

}

Answer:

See explaination

Explanation:

#include<iostream>

#include<vector>

#include<string>

#include<iostream>

#include<fstream>

using namespace std;

class BibleBooks{

public:

BibleBooks(string bk_title, int chapters, double percentage){

title=bk_title;

numChapters=chapters;

amountRead=percentage;

}

string getTitle(){

return title;

}

int getChapters(){

return numChapters;

}

double getPercentage(){

return amountRead;

}

private:

string title;

int numChapters;

double amountRead;

};

int main(){

char filename[200];

cout<<"Enter filename: ";

cin.get(filename,199);

vector<BibleBooks> bibleBooks;

ifstream infile(filename);

if(infile.is_open()){

string title; int chapters; double percentage;

while(infile>>title>>chapters>>percentage){

BibleBooks bb = BibleBooks(title,chapters,percentage);

bibleBooks.push_back(bb);

}

infile.close();

}else{

cout<<"Unable to read data from file: "<<filename;

}

//Your program will then iterate through the vector,

// displaying all of the information about each object.

int index_lowest_read=0;

for(int i=0; i<bibleBooks.size();i++){

cout<<bibleBooks.at(i).getTitle()<<" "

<<bibleBooks.at(i).getChapters()<<" "

<<bibleBooks.at(i).getPercentage()<<endl;

if(bibleBooks.at(index_lowest_read).getPercentage()>

bibleBooks.at(index_lowest_read).getPercentage()){

index_lowest_read=i;

}

}

cout<<"The book with the lowest amount read is "

<<bibleBooks.at(index_lowest_read).getTitle()<<endl;

}

Answer:

  A. cd /home/hnewman/discreteStructures/spring/2011

Explanation:

Nothing with 2009 in the pathname will get you where you want to go. The only reasonable answer choice is the first one:

  cd /home/hnewman/discreteStructures/spring/2011

Answer:

Following are the program to this question:

#include <iostream> //defining header file

using namespace std;

void reverse (string a) //defining method reverse  

{

for (int i=a.length()-1; i>=0; i--)  //defining loop that reverse string value  

 {

     cout << a[i];  //print reverse value

 }

}

int main() //defining main method                                                                                          

{

string name; // defining string variable

cout << "Enter any value: "; //print message

getline(cin, name); //input value by using getline method

reverse(name); //calling reverse method

return 0;

}

Output:

Enter any value: ABCD

DCBA

Explanation:

In the above program code, a reverse method is declared, that accepts a string variable "a" in its arguments, inside the method a for loop is declared, that uses an integer variable "i", in which it counts string value length by using length method and reverse string value, and prints its value.

Answer:

well, you will have your account deleted/ arrested because of cyber bullying

Explanation:

so don't!!! (hint hint XD)

Answer:

1. they falsely believes he or she cannot control what is posted on his or her social networking site or who sends messages to him or her.

2. they  feel uncomfortable telling you what someone else wrote on your their wall because the comment is inappropriate. Therefore your they fears you may be disappointed in him or her.

3. they feels powerless to deal with cyberbullying

Answer:

The correct answer to the following question will be "Wattage ".

Explanation:

The quantity of power needed for the operation of such an electrical system seems to be a Wattage.

Final answer:

The question is about writing an Assembly language procedure to find the largest number in an array. The procedure should be named FindLargest and use the PROC directive and PROTO declaration. The student must implement it, considering register preservation and set up test cases with arrays containing negative numbers.

Explanation:

Create a Procedure in Assembly Language

The student's question involves creating a procedure named FindLargest, which will find the largest value in an array of signed integers. This is a task that would be typically given in an assembly language programming course.

The PROC directive is used to define a new procedure in assembly language, and a PROTO declaration is used to declare the procedure's interface before it’s actually implemented, allowing other parts of the program to call it properly.

Here is an example template for the FindLargest procedure, which must be adapted to the specific assembly language being used, such as x86:

FindLargest PROC, arrayPtr:PTR DWORD, count:DWORD
 ; Procedure code goes here
FindLargest ENDP

And the corresponding PROTO declaration might look like this:

FindLargest PROTO, arrayPtr:PTR DWORD, count:DWORD

The test program would include calls to FindLargest with different arrays, for example:

invoke FindLargest, ADDR array1, LENGTHOF array1
invoke FindLargest, ADDR array2, LENGTHOF array2
invoke FindLargest, ADDR array3, LENGTHOF array3

Note: The procedure's task is to return the largest value in EAX, and all registers except for EAX must be preserved to maintain the state of the calling environment.

To create the FindLargest procedure, define it with the PROC directive, include operations to identify the largest value, and create a PROTO declaration. Also, write a test program to call FindLargest with different arrays. This ensures the largest value is correctly found and returned.

To create a procedure named FindLargest that receives a pointer to a signed doubleword array and the count of the array's length, follow these steps:

Define the PROC directive with the parameter list:

Initialize registers and perform the required operations to find the largest value:

Create a PROTO declaration for FindLargest:

Write a test program to call FindLargest with three different arrays:

Answer:

The following are the table attachment to this question.

Explanation:

In the given question a table is defined, in the column section, we assign "Particulars, Surgical Equipment, Surgical Supplies Rehab Equipment, Rehab Supplies, and total " and in the row section we assign values.

Answer:

see explaination

Explanation:

Function Real calcDiscountPrice(Real price, Real percentage) // Calculate the discount.

Declare Real discount= (price * percentage) / 100.0 // Subtract the discount from the price.

//dividing by 100.0 because of % concept

Declare Real discountPrice = price - discount // Return the discount price.

Return discount End Function

Final answer:

The calcDiscountPrice function's issue is the incorrect calculation of the discount as the percentage is not converted into its decimal form before multiplication.

Explanation:

The problem with the provided pseudocode in calcDiscountPrice function is that the calculation for the discount is incorrect because the percentage is not converted into its decimal form before the calculation. The correct method to calculate the discount should be taking the percentage in decimal (by dividing the percentage by 100) and then multiplying it by the price. Hence, the corrected line of code should be:

Declare Real discount = price * (percentage / 100)

By doing so, the function will correctly calculate the discount and subtract it from the original price to get the discounted price. If the percentage is not divided by 100, you are not calculating a percentage of the price; you are instead calculating a multiple of the price, which is not the intended behavior for a discount.

Answer:

hi your question lacks the necessary matrices attached to the answer is the complete question

1024 bytes

Explanation:

A) The minimum size of the cache to take advantage of blocked execution

 The minimum size of the cache is approximately 1 kilo bytes

There are 128 elements( 64 * 2 ) in the preceding simple implementation and this because there are two matrices and every matrix contains 64 elements .

note:  8 bytes is been occupied by every element therefore the minimum size of the cache to take advantage of blocked execution

= number of elements * number of bytes

= 128 * 8 = 1024 bytes ≈ 1 kilobytes

Answer:

See explaination

Explanation:

#include <iostream>

#include <string>

using namespace std;

int main()

{

string raptor_prompt_variable_zzyz;

?? standing;

?? dark;

raptor_prompt_variable_zzyz ="Is it dark?";

cout << raptor_prompt_variable_zzyz << endl;

cin >> DARK;

if (DARK=="Yes")

{

raptor_prompt_variable_zzyz ="Is someone standing on the doormat outside the front door?";

cout << raptor_prompt_variable_zzyz << endl;

cin >> STANDING;

if (STANDING=="Yes")

{

cout << "LAMP IS ON" << endl; }

else

{

cout << "LAMP IS OFF" << endl; }

}

else

{

cout << "LAMP IS OFF" << endl; }

return 0;

}

Here's a simple program in pseudo-code to demonstrate the behavior of the lamp based on the inputs from the light sensor and pressure sensor:

Ask user: "Is it dark?" (yes or no)

Read user's response and store it in variable 'is_dark'

Ask user: "Is someone standing on the doormat outside the front door?" (yes or no)

Read user's response and store it in variable 'is_someone_on_doormat'

if is_dark equals yes and is_someone_on_doormat equals yes:

   Turn on the lamp

   Display message: "Lamp turned on because it is dark and someone is standing on the doormat."

else if is_dark equals yes and is_someone_on_doormat equals no:

   Keep the lamp off

   Display message: "Lamp remains off because it is dark but no one is standing on the doormat."

else if is_dark equals no and is_someone_on_doormat equals yes:

   Turn on the lamp

   Display message: "Lamp turned on because someone is standing on the doormat."

else:

   Keep the lamp off

   Display message: "Lamp remains off because it is not dark and no one is standing on the doormat."

This program covers all possible scenarios based on the inputs from the light sensor and pressure sensor and determines whether the lamp should be turned on or off accordingly.

Answer:

amount = int(input())

#Check if input is less than 1

if amount<=0:

    print("No change")

else: #If otherwise

    #Convert amount to various coins

    dollar = int(amount/100) #Convert to dollar

    amount = amount % 100 #Get remainder after conversion

    quarter = int(amount/25) #Convert to quarters

    amount = amount % 25 #Get remainder after conversion

    dime = int(amount/10) #Convert to dimes

    amount = amount % 10 #Get remainder after conversion

    nickel = int(amount/5) #Convert to nickel

    penny = amount % 5 #Get remainder after conversion

    #Print results

    if dollar >= 1:

          if dollar == 1:

                print(str(dollar)+" Dollar")

          else:

                print(str(dollar)+" Dollars")

    if quarter >= 1:

          if quarter == 1:

                print(str(quarter)+" Quarter")

          else:

                print(str(quarter)+" Quarters")

    if dime >= 1:

          if dime == 1:

                print(str(dime)+" Dime")

          else:

                print(str(dime)+" Dimes")

    if nickel >= 1:

          if nickel == 1:

                print(str(nickel)+" Nickel")

          else:

                print(str(nickel)+" Nickels")

    if penny >= 1:

          if penny == 1:

                print(str(penny)+" Penny")

          else:

                print(str(penny)+" Pennies")

Explanation:

The first answer is almost right, but this should give you the complete answer with the proper starting point and correct capitalizations.

The program is an illustration of conditional statements.

Conditional statements are statements whose execution depends on its truth value.

The program in Python, where comments are used to explain each line is as follows:

#This gets input for the amount

amount = int(input("Enter Amount:  "))

#This checks if the amount is less than 1

if amount<=0:  

    print("No Change")

else: #If otherwise

    #The next lines convert amount to various coins  

    dollar = int(amount/100) #Convert to dollar

    amount = amount % 100 #Get remainder after conversion

    quarter = int(amount/25) #Convert to quarters

    amount = amount % 25 #Get remainder after conversion

    dime = int(amount/10) #Convert to dimes

    amount = amount % 10 #Get remainder after conversion

    nickel = int(amount/5) #Convert to nickel

    penny = amount % 5 #Get remainder after conversion

    #The following if statements print the change

    #The prints dollars  

    if dollar >= 1:  

          if dollar == 1:

                print(str(dollar)+" dollar")

          else:

                print(str(dollar)+" dollars")

    #The prints quarters

    if quarter >= 1:

          if quarter == 1:

                print(str(quarter)+" quarter")

          else:

                print(str(quarter)+" quarters")

    #The prints dimes

    if dime >= 1:

          if dime == 1:

                print(str(dime)+" dime")

          else:  

                print(str(dime)+" dimes")

    #The prints nickels

    if nickel >= 1:

          if nickel == 1:

                print(str(nickel)+" nickel")

          else:

                print(str(nickel)+" nickels")

    #The prints pennies

    if penny >= 1:

          if penny == 1:

                print(str(penny)+" penny")

          else:

                print(str(penny)+" pennies")

Read more about similar programs at:

https://brainly.com/question/16839801

Answer:

a)  [tex]P(X=5) = 15.63 \%[/tex]

b) [tex]P(X=9) = 6.88 \%[/tex]

c) [tex]P(X<3) = 67.65 \%[/tex]

Explanation:

a) What is the probability that 5 messages are received in a given minute?

The Poisson distribution is given by

[tex]P(X=x) = e^{-\lambda}\frac{\lambda^{x}}{x!}[/tex]

Where x is the number of messages received in some time interval t.

mean rate = λ = 4 per minute

number of messages = x = 5

[tex]P(X=x) = e^{-\lambda}\frac{\lambda^{x}}{x!}\\\\P(X=5) = e^{-4}\frac{4^{5}}{5!}\\\\P(X=5) = 0.1563\\\\P(X=5) = 15.63 \%[/tex]

b) What is the probability that 9 messages are received in 1.5 minutes?

mean rate = λ = 4*1.5 = 6

number of messages = x = 9

[tex]P(X=x) = e^{-\lambda}\frac{\lambda^{x}}{x!}\\\\P(X=9) = e^{-6}\frac{6^{9}}{9!}\\\\P(X=9) = 0.0688\\\\P(X=9) = 6.88 \%[/tex]

c) What is the probability that fewer than 3 messages are received in a period of 30 seconds?

mean rate = λ = 0.5*4 = 2

number of messages = x < 3

[tex]P(X<3) = P(X = 0) + P(X = 1) + P(X = 2)\\\\P(X=0) = e^{-2}\frac{2^{0}}{0!} = 0.1353\\\\ P(X=1) = e^{-2}\frac{2^{1}}{1!} = 0.2706\\\\ P(X=2) = e^{-2}\frac{2^{2}}{2!} = 0.2706\\\\ P(X<3) =0.1353+0.2706+ 0.2706\\\\P(X<3) = 0.6765\\\\P(X<3) = 67.65 \%[/tex]

A) The probability that 5 messages are received in a given minute is; 15.629%

B) The probability that 9 messages are received in 1.5 minutes is; 6.884%

C) The probability that fewer than 3 messages are received in a period of 30 seconds is; 67.668%

We are told that the number of hits follows a poisson distribution with mean of 4 per minutes.

Formula for poisson distribution is;

P(X = x) = [tex]e^{-\lambda}(\frac{\lambda^{x}}{x!})[/tex]

where;

x is number of items in counting

λ is the mean rate

A) We want to find the probability that 5 messages are received in a given minute. Thus;

λ = 4 × 1 = 4

x = 5

Thus;

P(X = 5) = [tex]e^{-4}(\frac{4^{5}}{5!})[/tex]

P(X = 5) = 0.15629

P(X = 5) = 15.629%

B) We want to find the probability that 9 messages are received in 1.5 minutes. Thus;

λ = 4 × 1.5 = 6

x = 9

Thus;

P(X = 9) = [tex]e^{-6}(\frac{6^{9}}{9!})[/tex]

P(X = 9) = 0.06884

P(X = 9) = 6.884%

C) We want to find the probability that 3 messages are received in 30 seconds. 30 seconds is 0.5 minutes. Thus;

λ = 4 × 0.5 = 2

x = 3

Thus;

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)

From online Poisson distribution calculator, we have;

P(X < 3) = 0.13534 + 0.27067 + 0.27067

P(X < 3) = 0.67668

P(X < 3) = 67.668%

Read more about Poisson distribution at; https://brainly.com/question/7879375

Answer:

Check the explanation

Explanation:

Linear search in JAVA:-

import java.util.Scanner;

class linearsearch

{

  public static void main(String args[])

  {

     int count, number, item, arr[];

     Scanner console = new Scanner(System.in);

     System.out.println("Enter numbers:");

     number = console.nextInt();

     arr = new int[number];

     System.out.println("Enter " + number + " ");

     for (count = 0; count < number; count++)

       arr[count] = console.nextInt();

     System.out.println("Enter search value:");

     item = console.nextInt();

     for (count = 0; count < number; count++)

     {

        if (arr[count] == item)

        {

          System.out.println(item+" present at "+(count+1));

          break;

        }

     }

     if (count == number)

       System.out.println(item + " doesn't found in array.");

  }

}

Kindly check the first attached image below for the code output.

Selection Sort in JAVA:-

public class selectionsort {

   public static void selectionsort(int[] array){

       for (int i = 0; i < array.length - 1; i++)

       {

           int ind = i;

           for (int j = i + 1; j < array.length; j++){

               if (array[j] < array[ind]){

                   ind = j;

               }

           }

           int smaller_number = array[ind];  

           array[ind] = array[i];

           array[i] = smaller_number;

       }

   }

   public static void main(String a[]){

       int[] arr = {9,94,4,2,43,18,32,12};

       System.out.println("Before Selection Sort");

       for(int i:arr){

           System.out.print(i+" ");

       }

       System.out.println();

       selectionsort(arr);

       System.out.println("After Selection Sort");

       for(int i:arr){

           System.out.print(i+" ");

       }

   }

}  

Kindly check the second attached image below for the code output.

Bubble Sort in JAVA:-

public class bubblesort {

   static void bubblesort(int[] array) {

       int num = array.length;

       int temp = 0;

        for(int i=0; i < num; i++){

                for(int j=1; j < (num-i); j++){

                         if(array[j-1] > array[j]){

                                temp = array[j-1];

                                array[j-1] = array[j];

                                array[j] = temp;

                        }

                }

        }

   }

   public static void main(String[] args) {

               int arr1[] ={3333,60,25,32,55,620,85};

               System.out.println("Before Bubble Sort");

               for(int i=0; i < arr1.length; i++){

                       System.out.print(arr1[i] + " ");

               }

               System.out.println();

               bubblesort(arr1);

               System.out.println("After Bubble Sort");

               for(int i=0; i < arr1.length; i++){

                       System.out.print(arr1[i] + " ");

               }

       }

}  

Kindly check the third attached image below for the code output.

Binary search in JAVA:-

public class binarysearch {

  public int binarySearch(int[] array, int x) {

     return binarySearch(array, x, 0, array.length - 1);

  }

  private int binarySearch(int[ ] arr, int x,

        int lw, int hg) {

     if (lw > hg) return -1;

     int middle = (lw + hg)/2;

     if (arr[middle] == x) return middle;

     else if (arr[middle] < x)

        return binarySearch(arr, x, middle+1, hg);

     else

        return binarySearch(arr, x, lw, middle-1);

  }

  public static void main(String[] args) {

     binarysearch obj = new binarysearch();

     int[] ar =

       { 22, 18,12,14,36,59,74,98,41,23,

        34,50,45,49,31,53,74,56,57,80,

        61,68,37,12,58,79,904,56,99};

     for (int i = 0; i < ar.length; i++)

        System.out.print(obj.binarySearch(ar,

           ar[i]) + " ");

     System.out.println();

     System.out.print(obj.binarySearch(ar,19) +" ");

     System.out.print(obj.binarySearch(ar,25)+" ");

     System.out.print(obj.binarySearch(ar,82)+" ");

     System.out.print(obj.binarySearch(ar,19)+" ");

     System.out.println();

  }

}

Kindly check the fourth attached image below for the code output

Answer:

See Explaination

See Explaination

Explanation:

d. If both players play perfectly, then too each player will play not let the other win. Let there be a state of the game in which the goal state can be achieved in just 2 more moves. If player 1 makes one move then the next move made player 1 will win or player 2 do the same.

Either way whatever the rule states, there must be a winner emerging.

Check attachment for option a to c.

The problem of solving two 8-puzzles involves having a specific goal state, making moves on a puzzle, and using an algorithm like Minimax for an adversarial setting. The reachable state space size of an 8-puzzle is 181,440. Given perfect play, an eventual win is guaranteed due to the finite number of puzzle configurations.

a. The problem of solving an 8-puzzle can be formulated as follows: The goal state is a specific configuration of tiles, with an empty space in a particular location. The actions are to move the empty space up, down, left, or right, swapping it with the adjacent tile. The transition model returns the new configuration of tiles resulting from the action. A cost function could return 1 for each move.

b. The size of reachable state space for an 8-puzzle is 9!/2 = 181,440.

c. In the adversarial setting described, a Minimax algorithm could be used to determine the best move.

d. An eventual win in this setting can be informally proven by noting that with each move, the current state of the puzzle moves closer to the goal state. Since there is a limited number of configurations (as determined in part b), the puzzle cannot be played indefinitely and eventually one player will reach the goal state.

https://brainly.com/question/33562838

#SPJ3

Answer:

import random

def return_random_int(lower_bound, upper_bound):

   return random.randrange(lower_bound, upper_bound)

print(return_random_int(3, 8))

Explanation:

Import the random module

Create a function called return_random_int takes two parameters, lower_bound and upper_bound

Return a number between lower_bound and upper_bound using random.range()

Call the function with given inputs, and print the result

Answer:

Transport layer

establishes, maintains and terminates network connections

Network layer

ensures the reliability of link

Data link layer

provides functions to guarantee reliable network link

Physical layer

controls transmission of the raw bit stream over the medium

Explanation:

see Answer

Answer: provided in explanation segment

Explanation:

the code to carry out this program is thus;

import java.util.ArrayList;

import java.util.Scanner;

public class ArrayListMode {

public static int getMode(ArrayList<Integer>arr) {

      int maxValue = 0, maxCount = 0;

      for (int i = 0; i < arr.size(); ++i) {

          int count = 0;

          for (int j = 0; j < arr.size(); ++j) {

              if (arr.get(j) == arr.get(i))

                  ++count;

          }

          if (count > maxCount) {

              maxCount = count;

              maxValue = arr.get(i);

          }

      }

      return maxValue;

  }

public static void main(String args[]){

  Scanner sc = new Scanner(System.in);

  ArrayList<Integer>list= new ArrayList<Integer>();

  int n;

  System.out.println("Enter sequence of numbers (negative number to quit): ");

  while(true) {

      n=sc.nextInt();

      if(n<=0)

          break;

      list.add(n);

  }

  System.out.println("Mode : "+getMode(list));

}

}

⇒ the code would produce Mode:6

cheers i hope this helps!!!!

Final answer:

The question involves creating an ArrayList that stores objects of type Plant and Flower, reading these objects from input, and printing their information using a defined method in Java.

Explanation:

The student's question pertains to object-oriented programming in Java and involves working with classes, inheritance, and polymorphism within an ArrayList. To solve this, you'll need to create an ArrayList that can store objects of both the Plant and Flower classes. The Plant class is the base class, while the Flower class is the derived class. You will then implement a printArrayList() method to iterate through the myGarden ArrayList and call the printInfo() method on each object.

Since both Plant and Flower objects can be added to myGarden, the printInfo() method needs to be defined in both the Plant and Flower classes, possibly overriding the method in Flower if it requires different behavior. The process of reading input and adding plants or flowers would continue until encountering a '-1', which signifies the end of input. After populating the ArrayList, the printArrayList() method will be called to display the information about each plant or flower in the garden.

Final answer:

The question involves creating an ArrayList in Java to hold Plant and Flower objects, utilizing polymorphism to store and process them. A printArrayList() method is employed to iterate through the ArrayList and call the printInfo() method on each Plant and Flower object.

Explanation:

The question revolves around object-oriented programming in Java, specifically dealing with the concept of polymorphism and ArrayLists. To accomplish the task, you will need to create an ArrayList that can hold objects of the Plant class as well as objects of the derived Flower class. This is possible because of polymorphism, where a Flower 'is-a' Plant, and thus can be treated as one.

To provide you with a starting point, here's an example of a possible printArrayList() method:

The actual main() is not provided here but would involve initializing the ArrayList, looping to read inputs, creating Plant or Flower objects based on the input, adding them to the myGarden ArrayList, and then calling the printArrayList() method to display the information for each plant or flower in the garden. Notice that the printInfo() method is called for each element; this method is expected to be defined in both the Plant and Flower classes, leveraging polymorphism for dynamic method dispatch.

The 100th item in an array would be at index 99 in a zero-based indexing language and at index 100 in a one-based indexing language. Indexing helps in accessing elements within data structures like arrays.

In a language with zero-based indexing, such as Python or Java, the 100th item in an array would be at index 99. This is because the first item in an array is at index 0, and the index increases by 1 for each subsequent item. Therefore, the index can be found by subtracting one from the item number (i.e., 100 - 1 = 99).

For a language with one-based indexing, like MATLAB or R, the 100th item would be at index 100 because the indexing starts from 1. Here, the index of the 100th item is the same as the item number.

Understanding the concept of array indexing is vital as it helps in accessing the elements in the data structure efficiently. The for loop can be set up with different starting indices and conditions depending on the language's indexing convention. For example, you might initialize the index i with 0 or 1, and the loop could run while i < 101 for zero-based or i <= 100 for one-based indexing.

Answer:

see explaination

Explanation:

import re

def emails(document):

"""

function to find email in given doc using regex

:param document:

:return: set of emails

"""

# regex for matching emails

pattern = r'[\w\.-]+at[\w\.-]+\.\w+'

# finding all emails

emails_in_doc = re.findall(pattern, document)

# returning set of emails

return set(emails_in_doc)

# Testing the above function

print(emails('random text ertatxyz.com yu\npopatxyz.com random another'))