Count Distincts

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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. ### Output Print one integers: the number of distinct values. ### Constraints - $1 \leq n \leq 2.10^5$ - $1 \leq xi \leq 10^9$ ### Subtasks - **Subtask 1 (10 points

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solution.cppC++17

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