Problem 2172. Delete the rows in the middle

Created by Mehmet OZC

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119 Solutions
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Last Solution submitted on Feb 25, 2021

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2 Comments

Jon on 25 Mar 2014

The description of this problem is not very clear. It's really asking for the first and last row for each unique value in the first column.

rifat on 11 Jun 2014

"However there will be more than one row index and that makes this question challenging." - that really explains nothing to me

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Problem 2172. Delete the rows in the middle

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Problem 2172. Delete the rows in the middle

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