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NADOS also enables doubt support, career opportunities and contests besides free of charge content for learning. In this video, we discuss the count of equivalent subarrays problem using hashmaps in java. In this problem,
1. You are given an array of integers(arr).
2. You have to find the count of equivalent subarrays.
3. A subarray is equivalent if,
count of unique integers in the subarray = count of unique integers in the given array.
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