2025-08-02 12:43:09 +0000 UTC

class Solution:
    def minimumAbsDifference(self, arr: List[int]) -> List[List[int]]:
        arr.sort()
        min_diff = float("inf")
        res = []
        for i, num in enumerate(arr[:-1]):
            nxt = arr[i + 1]
            diff = abs(nxt - num)
            if diff < min_diff:
                res.clear()
                res.append((num, nxt))
                min_diff = diff
            elif diff == min_diff:
                res.append((num, nxt))
        return res