+16 +17 +18 +19

1 files changed, 10 insertions, 0 deletions

diff --git a/h17.hs b/h17.hs
new file mode 100644
index 0000000..fa26f35
--- /dev/null
+++ b/h17.hs
@@ -0,0 +1,10 @@
+split :: [a] -> Int -> ([a],[a])
+split xs c = splitHelper [] xs c
+    where
+        splitHelper pre nxt 0 = (reverse pre, nxt)
+        splitHelper pre (x:nxt) c = splitHelper (x:pre) nxt (c-1)
+
+split' (x:xs) c | c>0 =
+    let (pre,nxt) = split' xs (c-1)
+        in (x:pre,nxt)
+split' xs _ = ([],xs)