From a9abc1da41b56edbed00081800382e854d6698d0 Mon Sep 17 00:00:00 2001 From: Joe Zhao <ztuowen@gmail.com> Date: Tue, 31 Mar 2015 23:41:55 +0800 Subject: rename to H**, +31 +32 +33 +34 +35 +36 --- H34.hs | 3 +++ 1 file changed, 3 insertions(+) create mode 100644 H34.hs (limited to 'H34.hs') diff --git a/H34.hs b/H34.hs new file mode 100644 index 0000000..6db5e5d --- /dev/null +++ b/H34.hs @@ -0,0 +1,3 @@ +-- http://en.wikipedia.org/wiki/Euler%27s_totient_function +totient :: Integral a => a -> Bool +totient x = length $ filter ((==1).(gcd x)) [1..x] -- cgit v1.2.3-70-g09d2