/**
 * Given a list of positive integers and a limit, find the missing numbers within the positive integer range.
 *
 * @param numbers List of positive integers.
 * @param limit The maximum value of positive integers.
 * @return List of positive integers that are missing within the range.
 *
 * Example:
 * findMissingNumbers(listOf(1, 2, 4, 7, 8), 10) -> [3, 5, 6, 9]
 * findMissingNumbers(listOf(3, 6, 9, 12, 15), 15) -> []
 */
fun findMissingNumbers(numbers: List<Int>, limit: Int): List<Int> {

    val allNumbers = (1..limit).toSet()
    return allNumbers.filter { it !in numbers }
}
/**
 * Given a list of positive integers and a limit, find the missing numbers within the positive integer range.
 *
 * @param numbers List of positive integers.
 * @param limit The maximum value of positive integers.
 * @return List of positive integers that are missing within the range.
 *
 * Example:
 * findMissingNumbers(listOf(1, 2, 4, 7, 8), 10) -> [3, 5, 6, 9]
 * findMissingNumbers(listOf(3, 6, 9, 12, 15), 15) -> []
 */
fun findMissingNumbers(numbers: List<Int>, limit: Int): List<Int> {
/**
 * Given a list of positive integers and a limit, find the missing numbers within the positive integer range.
 *
 * @param numbers List of positive integers.
 * @param limit The maximum value of positive integers.
 * @return List of positive integers that are missing within the range.
 *
 * Example:
 * findMissingNumbers(listOf(1, 2, 4, 7, 8), 10) -> [3, 5, 6, 9]
 * findMissingNumbers(listOf(3, 6, 9, 12, 15), 15) -> []
 */
fun findMissingNumbers(numbers: List<Int>, limit: Int): List<Int> {

    val allNumbers = (1..limit).toSet()
    return allNumbers.filter { it !in numbers }
}