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3 years ago

Write a pseudocode thats accept and then find out whether the number is divisible by 5

Computers and Technology

1 answer:

andreyandreev [35.5K]3 years ago

5 0

Answer:

input number

calculate modulus of the number and 5

compare outcome to 0

if 0 then output "divisible by 5"

else output "not divisible by 5"

Explanation:

The modulo operator is key here. It returns the remainder after integer division. So 8 mod 5 for example is 3, since 5x1+3 = 8. Only if the outcome is 0, you know the number you divided is a multiple of 5.

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2 years ago

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2 years ago

Greedy Algorithm Design

Alik [6]

Answer:

The algorithm is as follows:

1. Start

2. Get the number of items (n)

3. Get the current price of the n items (a1, a2..... an)

4. Get the possible hiked price of the n items (b1, b2..... bn)

5. Calculate the difference between the current and hiked prices for each item i.e. $d_i = b_i - a_i$

6. Sort the differences in descending order (i.e. from the greatest to the least)

7. Buy items in this order of difference

8. Stop

Explanation:

The algorithm is self-explanatory; however, what it does is that:

It takes a list of the current price of items (say list a)

E.g: $a = [100, 150, 160]$

Then take a list of the hiked price of the items (say list b)

E.g: $b = [110, 180, 165]$

Next, it calculates the difference (d) between corresponding prices $d_i = b_i - a_i$

$d = [(110 - 100),(180-150),(165-160)]$

$d = [10,30,5]$

Sort the difference from greatest to lowest (as the difference is sorted, lists a and b are also sorted)

$d = [30,10,5]$

$a = [150, 100, 160]$

$b = [180, 110, 165]$

If there is no hike up to item k, the couple would have saved (i = 1 to d[k-1])

Assume k = 3

The couple would have saved for 2 item

$Savings = d[1] + d[2]$

$Savings = 30 +10$

$Savings = 40$

The saved amount will then be added to the kth item in list a i.e. a[k](in this case k = 3) in order to buy b[k]

Using the assumed value of k

$a[k] = a[3]$

$a[3] = 160$

$b[3] = 165$

Add the saved amount (40) to a[3]

$New\ Amount = 40 + 160$

$New\ Amount = 200$

This new amount can then be used to buy b[3] i.e. 165, then they save the change for subsequent items

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2 years ago

Write a program that uses a scanner to report some statistics about words in an input sentence ( see Section 7.8). The outputs s

Alla [95]

import java.util.Scanner;

public class JavaApplication77 {

public static void main(String[] args) {

Scanner scan = new Scanner(System.in);

System.out.println("Enter a sentence:");

String sentence = scan.nextLine();

String [] arr = new String[sentence.length()];

arr = sentence.split(" ");

System.out.println("There are "+arr.length+" words in the sentence.");

int count = 0;

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

count += arr[i].length();

}

System.out.println("The average length of a word in your sentence is "+(count/arr.length)+" characters");

count = 0;

System.out.println("Your sentence is "+sentence.length()+" characters long.");

}

For the length of a sentence, I included spaces as characters but I did not do this for the length of a word. I hope this helps!

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2 years ago

Write a pseudocode thats accept and then find out whether the number is divisible by 5 ​

Write a pseudocode thats accept and then find out whether the number is divisible by 5