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MBPP / 183 / Write a function to count all the distinct pairs having a difference of k in any…

Problem

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test list

  • assert count_pairs([1, 5, 3, 4, 2], 5, 3) == 2
  • assert count_pairs([8, 12, 16, 4, 0, 20], 6, 4) == 5
  • assert count_pairs([2, 4, 1, 3, 4], 5, 2) == 3

text

Write a function to count all the distinct pairs having a difference of k in any array.

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