# sort numbers in ascending order
function sort(ARRAY, ELEMENTS,   temp, i, j) {
        for (i = 2; i <= ELEMENTS; ++i) {
                for (j = i; ARRAY[j-1] > ARRAY[j]; --j) {
                        temp = ARRAY[j]
                        ARRAY[j] = ARRAY[j-1]
                        ARRAY[j-1] = temp
                }
        }
        return
}