[Solved] HackerRank Javascript in 10 days - JS 10 days arithmetic operators solution in Javascript HackerRank

Algorithm


Main Problem Linkhttps://www.hackerrank.com/challenges/js10-arithmetic-operators/problem

 

We know the basic formula to get area and peremeter of a rectangle.

 

Formulas:

Area of a rectangle = length * width

Peremeter of a rectangle = 2 * ( length + width )

Code Examples

#1 Code Example with Javascript Programming

Code - Javascript Programming

/**
*   Calculate the area of a rectangle.
*
*   length: The length of the rectangle.
*   width: The width of the rectangle.
*   
*	Return a number denoting the rectangle's area.
**/
function getArea(length, width) {
    let area;
    
    area = length * width;
    
    return area;
}

/**
*   Calculate the perimeter of a rectangle.
*	
*	length: The length of the rectangle.
*   width: The width of the rectangle.
*   
*	Return a number denoting the perimeter of a rectangle.
**/
function getPerimeter(length, width) {
    let perimeter;
    
    perimeter = 2 * ( length + width );
    
    return perimeter;
}
Copy The Code & Try With Live Editor

Input

x
+
cmd
3
4.5

Output

x
+
cmd
13.5 15

Demonstration


Hello, this is a very simple calculation problem.

 

We know the basic formulas and it has also written there.

 

Details of the problem:

Objective

In this challenge, we practice using arithmetic operators. Check out the attached tutorial for resources.

Task

Complete the following functions in the editor below:

  1. getArea(length, width): Calculate and return the area of a rectangle having sides  and .
  2. getPerimeter(length, width): Calculate and return the perimeter of a rectangle having sides  and .

The values returned by these functions are printed to stdout by locked stub code in the editor.

Input Format

image

image

Constraints

  •  and  are scaled to at most three decimal places.

Output Format

image

Sample Input 0

3
4.5

Sample Output 0

13.5
15

Explanation 0

The area of the rectangle is .

The perimeter of the rectangle is .