function findFirstMissingPositive(numbers: number[]): number {
  const ns = JSON.parse(numbers as any as string)
  let min = Number.MAX_SAFE_INTEGER;
  let max = -Number.MAX_SAFE_INTEGER;
  let count = new Set();

  console.log(ns)
  for (const n of ns) {
    if (n > 0) {
      max = Math.max(max, n);
      min = Math.min(min, n);
      count.add(n)
    }
  }

  if (min === Number.MAX_SAFE_INTEGER) return 1

  let i = 1;

  while (i < max) {
    if (!count.has(i)) return i;
    i++
  }

  if (i === count.size) return i + 1

  return i;
}

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