function removeDuplicates(numbers: number[]): number {
  if (numbers.length === 0) return 0

  let count = 1

  for (let i = 1; i < numbers.length; i++) {
    if (numbers[i] !== numbers[i - 1]) {
      count++
    }
  }

  return count;
}

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