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g1101_1200.s1200_minimum_absolute_difference.readme.md Maven / Gradle / Ivy

1200\. Minimum Absolute Difference

Easy

Given an array of **distinct** integers `arr`, find all pairs of elements with the minimum absolute difference of any two elements.

Return a list of pairs in ascending order(with respect to pairs), each pair `[a, b]` follows

*   `a, b` are from `arr`
*   `a < b`
*   `b - a` equals to the minimum absolute difference of any two elements in `arr`

**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 equal 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 <= 105
*   -106 <= arr[i] <= 106