LeetCode 2483. Minimum Penalty for a Shop in F#
URL
Minimum Penalty for a Shop - LeetCode
Code
https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/2483/main.fsx
let bestClosingTime (customers: string) : int =
let rec bestClosingTime' i cs count min ret =
match cs with
| [] -> ret
| h :: t ->
let count' = if h = 'Y' then count - 1 else count + 1
if count' < min then
bestClosingTime' (i + 1) t count' count' i
else
bestClosingTime' (i + 1) t count' min ret
let cs = Seq.toList customers
let count = cs |> List.filter (fun c -> c = 'Y') |> List.length
bestClosingTime' 1 cs count count 0