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klasskru [66]
3 years ago
8

The first step to changing lanes is

Computers and Technology
2 answers:
lisov135 [29]3 years ago
3 0
It’s obviously C.Signaling your intent by using your blinkers also known as the lights at the back of your car!
mixas84 [53]3 years ago
3 0
C. You have to signal that you are switching lanes by using your blinkers.
You might be interested in
Write a function called printbackwards() that will work with a c++ string
stiks02 [169]
There is a standard reverser that will work for this:

void printbackwards(string s)
{
   reverse(s.begin(), s.end());
   cout << s;
}


6 0
3 years ago
Write a program that reads raw data from a file that contains an inventory of items. The items should be sorted by name, and the
Anika [276]

Answer:

//C++ code

#include<iostream>

#include<fstream>

#include<iomanip>

using namespace std;

/*===============================================*/

// a structure called prod

struct prod

{

string name;// – a string, assumed to have no spaces

double price; // –adollaramount

int inStock; // – the number of items currently in stock.

};

//Fucntion Prototypes

void readInventory(prod products[], int& size);

/*===============================================*/

/*returns: a dollar amount, the total value of the inventory*/

double totalValue(prod products[], int size);

/*===============================================*/

// Sorts the given array by name

void sort(prod products[], int size);

/*===============================================*/

/*a report to a file called “report.txt”.

When the file fails to open, print

“Unable to open output file.” and end.*/

void writeReport(prod products[], int size);

/*===============================================*/

//Function definitions

/*===============================================*/

void writeReport(prod products[], int size)

{

ofstream outfile("report.txt");

outfile << fixed << setprecision(2);

if (!outfile)

{

cout << "Unable to open output file.\n";

return;

}

outfile << "+------------------------------+\n | Current Inventory |\n\

\n+------------------------------+\nNAME PRICE #\n\

\n-------------------- ------- ---\n";

for (int i = 0; i < size; i++)

{

outfile << products[i].name << " " << products[i].price << " " << products[i].inStock << endl;

}

outfile << "+------------------------------+\n";

outfile << "Number of products: " << size << endl;

outfile << "Inventory total value: " << totalValue(products, size) << endl;

cout << "Report written to file\n";

//close the output stream

outfile.close();

}

/*===============================================*/

void sort(prod products[], int size)

{

for (int i = 0; i < size; i++)

{

for (int j = i+1; j < size; j++)

{

if (products[i].name > products[j].name)

{

//swapping

prod temp = products[i];

products[i] = products[j];

products[j] = temp;

}

}

}

}

/*===============================================*/

double totalValue(prod products[], int size)

{

double total = 0;

for (int i = 0; i < size; i++)

{

total += products[i].inStock * products[i].price;

}

return total;

}

/*===============================================*/

void readInventory(prod products[], int& size)

{

// Open a file called “inventory.txt”

//and read the data from the file into the partial array

//.If the file fails to open,

//print “Unable to open input file”

//and set the number of products to 0.

size = 0;

ifstream inFile("inventory.txt");

if (!inFile)

{

cout << "Unable to open input file.\n";

return;

}

string name;

double price;

int qunatity;

while (inFile >> price >>qunatity >>name)

{

if (price != -1 && qunatity != -1 && name != "endofdata")

{

products[size].name = name;

products[size].inStock = qunatity;

products[size].price = price;

size++;

}

}

cout << "inventory read\n";

//close the stream

inFile.close();

}

/*===============================================*/

int main()

{

//declares a partial array of products

prod products[100];

int size;

// invokes readInventory()

readInventory(products, size);

// invokes sort()

sort(products, size);

// invokes writeReport()

writeReport(products, size);

// ends with the standard system pause.

system("pause");

return 0;

}

please see attachment for inventory text and output.

4 0
3 years ago
What is the output of the following function call? //function body int factorial(int n) { int product=0; while(n &gt; 0) { produ
maks197457 [2]

Answer:

zero

Explanation:

Because of the define the product variable is zero.

when the function call with pass by value 4.

The program control moves to that function, after that product

store the value zero. Then, product is multiply with n which become zero

because 0 * n is zero and store in the product again.

after that, n'' is wrong it must be 'n--' for performing the factorial function.

after that, the value of n is 3, again loop execute because condition n > 0

is true.

again zero multiply with n and become zero.

this process repeated until condition false and finally the output is zero.

Correction:

To make the code working:

change product = 1 instead of zero.

and change n-- in place of n''.  

5 0
3 years ago
16. Budget Analysis Write a program that asks the user to enter the amount that he or she has budgeted for a month. A loop shoul
strojnjashka [21]

Answer:

import java.util.Scanner;

public class num8 {

   public static void main(String[] args) {

       Scanner in = new Scanner(System.in);

       System.out.println("Enter month's budget");

       double monthBudget = in.nextDouble();

       double totalExpenses = 0.0;

       double n;

       do{

           System.out.println("Enter expenses Enter zero to stop");

           n = in.nextDouble();

           totalExpenses += n;

       }while(n>0);

       System.out.println("Total expenses is "+totalExpenses);

System.out.println("The amount over your budget is "+ Math.abs(monthBudget-totalExpenses));

   }

}

Explanation:

  • Using Java programming language
  • Prompt user for month's budget
  • Use Scanner class to receive and store the amount entered in a variable
  • Use a do while loop to continuously request user to enter amount of expenses
  • Use a variable totalExpenses to add up all the expenses inside the do while loop
  • Terminate the loop when user enters 0 as amount.
  • Subtract totalExpenses from monthBudget and display the difference as the amount over the budget

6 0
3 years ago
Sarah has to add a picture from her computer file and add a caption to it. Arrange the steps in a correct sequence.
SVEN [57.7K]
Click Insert
click Picture
click From File
select the desired picture and again click insert
right-click the picture
click Insert Caption
write the caption and add it
5 0
3 years ago
Read 2 more answers
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