Function isOutOfOrder

arrays/subarray-sort.js:27–31

(i, num, array)

}

function isOutOfOrder(i, num, array) {
  if (i === 0) return num > array[i + 1];
  if (i === array.length - 1) return num < array[i - 1];
  return num > array[i + 1] || num < array[i - 1];
}

const array = [1, 2, 4, 7, 10, 11, 7, 12, 6, 7, 16, 18, 19];
console.log(subarraySort(array));