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Challenge Given an array of numbers return the cumulative count of each item. This is the number of times an item has occurred so far. Examples [1,1,2,2,2,1,1,1,3,3] -> [1,2,1,2,3,3,4,5,1,2]...
Question
code-golf
#2: Nominated for promotion
by
Monica Cellio
·
2023-03-21T23:44:57Z (almost 2 years ago)
#1: Initial revision
by
rak1507
·
2021-04-17T22:03:31Z (over 3 years ago)
Cumulative Counts
## Challenge Given an array of numbers return the cumulative count of each item. This is the number of times an item has occurred so far. ## Examples ``` [1,1,2,2,2,1,1,1,3,3] -> [1,2,1,2,3,3,4,5,1,2] [3,7,5,4,9,2,3,2,6,6] -> [1,1,1,1,1,1,2,2,1,2] ``` Brownie points for beating my 7 byte APL answer.