2025-08-02 12:41:03 +0000 UTC

class Solution:
    def minimumAbsDifference(self, arr: List[int]) -> List[List[int]]:
        arr.sort()
        min_diff = float("inf")
        diffs = defaultdict(list)
        for i, num in enumerate(arr[:-1]):
            nxt = arr[i + 1]
            diff = abs(nxt - num)
            diffs[diff].append((num, nxt))
            min_diff = min(min_diff, diff)
        return diffs[min_diff]