Skip to content

Instantly share code, notes, and snippets.

What would you like to do?
An F# implementation of the counting change problem's solution, following the clojure example from this post: Can you improve it?
open System;
open System.Diagnostics;
let main argv =
let rec cc amount coins =
match (amount, coins) with
| (0,_) -> 1
| (_,[]) -> 0
| (amount,_) when amount < 0 -> 0
| _ -> cc amount coins.Tail + cc (amount-coins.Head) coins
let stopWatch = Stopwatch.StartNew()
let x = cc 100 [1;2;3;4;5;6;7]
printfn "elapsed: %f" stopWatch.Elapsed.TotalMilliseconds
Console.ReadLine() |> ignore

This comment has been minimized.

Copy link

mausch commented Sep 23, 2013

IMHO pattern matching doesn't make much sense here, and actually harm readability. I'd use ifs instead.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.