Cam any1 pls help me

Question

You are given a sorted (either in the increasing or in the decreasing order) sequence of numbers, ending with a .1 You can ass
that are at least two numbers before the ending 1
Let us call the sequence x0 x1 xn-1
You have to output the number of distinct elements in the sorted sequence
Kindly do not use arrays in the code

Answer 1

cam

Answer 2

can you please be more specific Calviղ