Class Solution


  • public class Solution
    extends Object
    697 - Degree of an Array.

    Easy

    Given a non-empty array of non-negative integers nums, the degree of this array is defined as the maximum frequency of any one of its elements.

    Your task is to find the smallest possible length of a (contiguous) subarray of nums, that has the same degree as nums.

    Example 1:

    Input: nums = [1,2,2,3,1]

    Output: 2

    Explanation:

     The input array has a degree of 2 because both elements 1 and 2 appear twice.
     Of the subarrays that have the same degree:
     [1, 2, 2, 3, 1], [1, 2, 2, 3], [2, 2, 3, 1], [1, 2, 2], [2, 2, 3], [2, 2]
     The shortest length is 2. So return 2. 
    

    Example 2:

    Input: nums = [1,2,2,3,1,4,2]

    Output: 6

    Explanation:

     The degree is 3 because the element 2 is repeated 3 times.
     So [2,2,3,1,4,2] is the shortest subarray, therefore returning 6. 
    

    Constraints:

    • nums.length will be between 1 and 50,000.
    • nums[i] will be an integer between 0 and 49,999.
    • Constructor Detail

      • Solution

        public Solution()
    • Method Detail

      • findShortestSubArray

        public int findShortestSubArray​(int[] nums)