Minimum Absolute Difference ( LeetCode ) Problem Solution.

Minimum Absolute Difference ( LeetCode ) Problem Solution.

Example 1:
Input: arr = [4,2,1,3]
Output: [[1,2],[2,3],[3,4]]
Explanation: The minimum absolute difference is 1. List all pairs with difference up to 1 in ascending order.
Example 2:
Input: arr = [1,3,6,10,15]
Output: [[1,3]]
Example 3:
Input: arr = [3,8,-10,23,19,-4,-14,27]
Output: [[-14,-10],[19,23],[23,27]]

Constraints:
  • 2 <= arr.length <= 10^5
  • -10^6 <= arr[i] <= 10^6
Solution :-


class Solution:
    def minimumAbsDifference(self, arr: List[int]) -> List[List[int]]:
        ans=[]
        dif=0
        arr.sort()
        print(arr)
        for i in range(len(arr)-1):
            if(arr[i]<arr[i+1]):
                d=arr[i+1]-arr[i]

                if(dif>0):
                    if(d<dif):
                        ans=[]
                        ans.append([arr[i],arr[i+1]])
                        dif=d

                    elif(d==dif):
                        ans.append([arr[i],arr[i+1]])
                else:
                    dif=d
                    ans.append([arr[i],arr[i+1]])


        return ans

Runtime: 400 ms, faster than 26.36% of Python3 online submissions for Minimum Absolute Difference.
Memory Usage: 27.9 MB, but 100.00% of Python3 online submissions for Minimum Absolute Difference.