Grokking Oracle Coding Interview
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Solution: Degree of an Array
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Problem Statement

You are given an array nums containing positive integers. The degree of nums is defined as the maximum frequency of any one of its elements.

Return the minimum length of a contiguous subarray of nums, that has the same degree as nums.

Example

  • Example 1:

    • Input: nums = [1, 4, 2, 3, 2]
    • Expected Output: 3
    • Justification: The array's degree is 2 as it appears twice. The shortest subarray with a degree of 2 is [2, 3, 2], which has a length of 3.

  • Example 2:

    • Input: nums = [4, 9, 4, 4, 5, 5, 4]

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