LeetCode 3005. Count Elements With Maximum Frequency in F#
URL
https://leetcode.com/problems/count-elements-with-maximum-frequency/
Code
let maxFrequencyElements (nums: int list) : int =
let max, freq =
nums
|> List.fold
(fun (max, freq) n ->
let v = Map.tryFind n freq |> Option.defaultValue 0
System.Math.Max(max, v + 1), Map.add n (v + 1) freq)
(0, Map.empty)
freq |> Map.fold (fun acc _ v -> if v = max then acc + v else acc) 0