#AdjacentComparison
#APLQuest 2017-09: Write a function that takes a character vector or scalar and returns a Boolean vector indicating anywhere an element is followed by an element of the same value (see apl.quest/2017/9/ to test your solution and view ours).

#APL #DuplicateDetection #AdjacentComparison
APL Quest 2017-9: Double Trouble
Write a function that takes a character vector or scalar and returns a Boolean vector indicating anywhere an element is followed by an element of the same value.
apl.quest
September 7, 2026 at 2:48 PM