You are given a binary array nums.

A subarray is considered alternating if no two adjacent elements within the subarray have the same value.

Return the total number of alternating subarrays in nums.

Constraints:

• $1 \leq$ nums.length $\leq 10^5$

• nums[i] is either $0$ or $1$.

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We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.

Implement your solution in the following coding playground.