Iteration1.js

"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((string) => {
      return string.trim();
    });

  main();
});

function readLine() {
  return inputString[currentLine++];
}

function sides(literals, ...expressions) {
  let a = expressions[0];
  let p = expressions[1];
  let s1 = (p - Math.sqrt(Math.pow(p, 2) - 16 * a)) / 4;
  let s2 = (p + Math.sqrt(Math.pow(p, 2) - 16 * a)) / 4;
  return [s1, s2];
}

/*
 * S1 is always the smaller one because of the (-)
 * So I don't need to sort the array!
 */

function main() {
  let s1 = +readLine();
  let s2 = +readLine();

  [s1, s2] = [s1, s2].sort();

  const [x, y] = sides`The area is: ${s1 * s2}.\nThe perimeter is: ${
    2 * (s1 + s2)
  }.`;

  console.log(s1 === x ? s1 : -1);
  console.log(s2 === y ? s2 : -1);
}