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An algorithm is a sequence of well-defined steps that define an abstract solution to a problem. Use this tag when your issue is related to algorithm design.

0 votes
1 answer
804 views

Merge consecutive numbers in array into a range

Input: I have sorted array of numbers [ 12, 15, 16, 17, 19, 21, 22 ] Output: I need to merge all consecutive numbers into a dash-separated ranges like this "12, 15-17, 19, 21, 22" I came up with suc …
eawer's user avatar
  • 207
4 votes
2 answers
935 views

Merge intersecting sub-arrays

What I'm trying to achieve is to group all sub-arrays, which are connected (sharing the same elements) into one array. So here is an example: Input: [[1, 17], [3, 5], [5], [1, 3], [7], [2], [9, 8], …
eawer's user avatar
  • 207