hexlet-bg-ik/src/games/gcd.js

first hexlet project

import flow from '../';

const challenge = 'Find the greatest common divisor of given numbers.';
const count = 3;
const getGcd = (x, y) => {
  let a = x;
  let b = y;
  if (a === 0 || b === 0) {
    return b;
  } else if (b === 0) {
    return a;
  }
  while (a !== 0 && b !== 0) {
    if (a >= b && b > 0) {
      a %= b;
    } else if (a < b && a > 0) {
      b %= a;
    }
  }
  return a + b;
};
const gameFlow = () => {
  const game = () => {
    const num1 = Math.floor(100 * Math.random());
    const num2 = Math.floor(10 * Math.random());
    const result = String(getGcd(num1, num2));
    const task = `${String(num1)} ${String(num2)}`;
    return [task, result];
  };
  flow(challenge, game, count);
};
export default gameFlow;