LeetCode 2006.差的绝对值为k的数对数目（简单）

python

class Solution:
    def countKDifference(self, nums: List[int], k: int) -> int:
        count = 0
        for i in range(0,len(nums)-1):
            for j  in range(i+1,len(nums)):
                if (abs(nums[i]-nums[j]) == k ):
                    count +=1
        return count