globant-challenge.js

let digits = "0123456789".split('')

function *permute(a, n = a.length) {
  if (n <= 1) yield a.slice();
  else for (let i = 0; i < n; i++) {
    yield *permute(a, n - 1);
    const j = n % 2 ? 0 : i;
    [a[n-1], a[j]] = [a[j], a[n-1]];
  }
}

var start = new Date();
console.log('brute force search started...');
Array.from(permute(digits)).forEach( arr => {
    let e,a,r,t,h,v,n,u,s
    e=arr[0]
    a=arr[1]
    r=arr[2]
    t=arr[3]
    h=arr[4]
    v=arr[5]
    n=arr[6]
    u=arr[7]
    s=arr[8]

    let earth = parseInt(e+a+r+t+h)
    let venus = parseInt(v+e+n+u+s)
    let uranus = parseInt(u+r+a+n+u+s)
    let saturn = parseInt(s+a+t+u+r+n)

    if(earth+venus+uranus === saturn){
      let solution = `
 EARTH
 ${e+a+r+t+h}
 VENUS
 ${v+e+n+u+s}
URANUS
${u+r+a+n+u+s}
------------
SATURN
${s+a+t+u+r+n}
`
        console.log(solution)
    }
})

var end  = new Date();
var time = end.getTime() - start.getTime();
console.log('finished in', time, 'ms');