Given an array of unique randomly sorted integers and a number \(k\) it is required to find the count of the unordered pairs in the array that have a difference of \(k\). In the text file, how many unorederd pairs of numbers have a difference of 70.

**Details and Assumptions**

As an example in the array `[2, 8, 4, 3, 1]`

with \(k=2\) is \(2\)....`(2,4)`

and `(3,1)`

.

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