View Problem
From a List Produce a List of Duplicate Entries
Taking a list:
Write the code to produce a list of duplicates in the list:
clojure
Submit a new solution for clojure
There are 20 other solutions in additional languages (cpp, csharp, erlang, fantom ...)
["andrew", "bob", "chris", "bob"]
Write the code to produce a list of duplicates in the list:
["bob"]
(->> '("andrew" "bob" "chris" "bob")
(group-by identity)
(filter #(> (count (second %)) 1))
(map first))
(group-by identity)
(filter #(> (count (second %)) 1))
(map first))
Submit a new solution for clojure
There are 20 other solutions in additional languages (cpp, csharp, erlang, fantom ...)
