function missingNumbers(numbers: number[], n: number): number[] {
  const helperArray = [...numbers].sort()
  const missingOutNums: number[] = []
  for( let i = 1; i <= n; i ++){
    const encontradoIndex = helperArray.findIndex( value => value == i)
    if(encontradoIndex != -1){
      helperArray.splice(encontradoIndex, 1)
    }else{
      missingOutNums.push(i)
    }

  }
  return missingOutNums;
}

// No modificar: necesario para evaluar el resultado.
export { missingNumbers };