## Searching and Sorting ### Distinct Numbers You are given a list of `n` integers, and your task is to calculate the number of distinct values in the list. **Input**: The first input line has an integer `n`: the number of values. The second line has `n` integers `x1, x2, ..., xn`. (Example: 5 2 3 2 2 3) **Output**: Print one integer: the number of distinct values. (Example: 2)