export function arrayMode(numbers: number[]): number[] {
  const freq = new Map<number, number>()

  for (const num of numbers) {
    freq.set(num, (freq.get(num) || 0) + 1)
  }

  const maxFreq = Math.max(...freq.values())

  return [...freq.entries()]
    .filter(([, frequency]) => frequency === maxFreq)
    .map(([num]) => num)
    .sort((a, b) => a[0] - b[0])
}