diff options
| author | Determinant <ted.sybil@gmail.com> | 2017-05-29 13:29:11 -0400 |
|---|---|---|
| committer | Determinant <ted.sybil@gmail.com> | 2017-05-29 13:29:11 -0400 |
| commit | 9db0008777cc4cd9f07e14a3458e3d903e3cc4f6 (patch) | |
| tree | af3891261924ae914ee3855e948b4d479f4d06de /31-41/31.hs | |
| parent | fa1bf6c2eac1c9f7969ff29504c9f51b9ba48008 (diff) | |
finish vol 4
Diffstat (limited to '31-41/31.hs')
| -rw-r--r-- | 31-41/31.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/31-41/31.hs b/31-41/31.hs new file mode 100644 index 0000000..d6d53a9 --- /dev/null +++ b/31-41/31.hs @@ -0,0 +1,4 @@ +isPrime :: Int -> Bool + +isPrime 1 = False +isPrime x = and $ map (\y -> x `mod` y /= 0) $ fst $ span (\y -> y * y <= x) [2..] |