题目链接：2006. 差的绝对值为 K 的数对数目
计数即可。
from itertools import combinations
from typing import List
class Solution:
def countKDifference(self, nums: List[int], k: int) -> int:
return sum(abs(a - b) == k for a, b in combinations(nums, 2))
题目链接：2006. 差的绝对值为 K 的数对数目
计数即可。
from itertools import combinations
from typing import List
class Solution:
def countKDifference(self, nums: List[int], k: int) -> int:
return sum(abs(a - b) == k for a, b in combinations(nums, 2))