2465. Number of Distinct Averages

You are given a 0-indexed integer array nums of even length. As long as nums is not empty, you must repetitively: - Find the minimum number in nums and remove it. - Find the maximum number in nums and remove it. - Calculate the average of the two removed numbers. The average of two numbers a and b is (a + b) / 2. - For example, the average of 2 and 3 is (2 + 3) / 2 = 2.5. Return the number