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3 years ago

For this lab you will do 2 things:

Computers and Technology

1 answer:

zepelin [54]3 years ago

4 0

Answer:

Here is the Python program:

COOKIES_PER_BAG = 40 #sets constant value for bag of cookies

SERVINGS_PER_BAG = 10 #sets constant value for serving in bag

CALORIES_PER_SERVING = 300 #sets constant value servings per bag

cookies = int(input("How many cookies did you eat? ")) #prompts user to input how many cookies he or she ate

totalCalories = cookies * (CALORIES_PER_SERVING / (COOKIES_PER_BAG / SERVINGS_PER_BAG)); #computes total calories consumed by user

print("Total calories consumed:",totalCalories) #displays the computed value of totalCalories consumed

Explanation:

The algorithm is:

Start
Declare constants COOKIES_PER_BAG, SERVINGS_PER_BAG and CALORIES_PER_SERVING
Set COOKIES_PER_BAG to 40
Set SERVINGS_PER_BAG to 10
Set CALORIES_PER_SERVING to 300
Input cookies
Calculate totalCalories: totalCalories ← cookies * (CALORIES_PER_SERVING / (COOKIES_PER_BAG / SERVINGS_PER_BAG))
Display totalCalories

I will explain the program with an example:

Lets say user enters 5 as cookies he or she ate so

cookies = 5

Now total calories are computed as:

totalCalories = cookies * (CALORIES_PER_SERVING / (COOKIES_PER_BAG / SERVINGS_PER_BAG));

This becomes:

totalCalories = 5 * (300/40/10)

totalCalories = 5 * (300/4)

totalCalories = 5 * 75

totalCalories = 375

The screenshot of program along with its output is attached.

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Answer:

The java program is as follows:

import java.util.*;

public class Main{

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

Random r = new Random();

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x = input.nextInt();

y = input.nextInt();

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for(int i = 0; i < x ; i++){

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System.out.println();

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System.out.println();

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Explanation:

This creates a random object

Random r = new Random();

This declares x and y as integers

int x, y;

This gets input for x

x = input.nextInt();

This gets input for y

y = input.nextInt();

This declares the 2D array

int[][] Array2D = new int[x][y];

The following iteration populates the array with integers 1 to 9

for(int i = 0; i < x ; i++){

for(int j = 0; j < y; j++){ Array2D[i][j] = r.nextInt(9) + 1; }

}

The following iteration prints all elements of the array

for(int i = 0; i < x ; i++){

for(int j = 0; j < y; j++){ System.out.print(Array2D[i][j]+" "); }

System.out.println();

}

The following iteration prints all elements on the even column

for(int i = 0; i < x ; i++){

for(int j = 1; j < y; j+=2){ System.out.print(Array2D[i][j]+" "); }

System.out.println();

}

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Explanation:

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