<ul><li>Given an integer array nums, return the number of subarrays of length 3 such that the sum of the first and third numbers equals exactly half of the second number.</li><li>The approach involves iterating through all possible subarrays, checking the parity of the middle element, and verifying if the sum condition is satisfied.</li><li>The time complexity of the solution is linear, making it efficient for the given constraints.</li><li>The code for the implementation in PHP is also provided in the news.</li></ul>

3392. Count Subarrays of Length Three With a Condition

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