Answer to Question #207550 in HTML/JavaScript Web Application for jayanth

Question

Series of Operations

Given an array

1. myArray of numbers, write a JS program to perform the following steps and log the result. Multiply each value with 9.
2. Subtract 20 from each value.
3. Multiply each value with 7.
4. Log the values of the resulting array separated by a space.

Input

• The input will be a single line containing an array myArray

Output

• The output should be a single line with values separated by a space

Constraints

• Each value in the array must be a number

Sample Input

[ 12, 2, 2, 4, 1 ]

Sample Output

616 -14 -14 112 -77

Answer 1

"use strict";

process.stdin.resume();
process.stdin.setEncoding("utf-8");

let inputString = "";
let currentLine = 0;

process.stdin.on("data", (inputStdin) => {
    inputString += inputStdin;
});

process.stdin.on("end", (_) => {
    inputString = inputString.trim().split("\n").map((str) => str.trim());
    main();
});

function readLine() {
    return inputString[currentLine++];
}
/* Please do not modify anything above this line */

function main() {
    const nestedArray = JSON.parse(readLine());
 /* Write your code here */

    const resultArray = nestedArray.map(arr => {
        if ( arr.some(item => item % 2 === 0) ) {
            return arr.reduce( (acc, current) => acc * current )
        } else {
            return 0
        }
    });

    console.log(resultArray);
}
CALCULATE THE PRICE