From a39aea354b071612c071d98125e879fe14c76a54 Mon Sep 17 00:00:00 2001
From: Joe Zhao <ztuowen@gmail.com>
Date: Mon, 13 Apr 2015 15:21:21 +0800
Subject: +61 +62 +63

---
 H61.hs | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 H61.hs

(limited to 'H61.hs')

diff --git a/H61.hs b/H61.hs
new file mode 100644
index 0000000..64dd9e3
--- /dev/null
+++ b/H61.hs
@@ -0,0 +1,5 @@
+import Tree
+
+countLeaves Empty = 0
+countLeaves (Branch _ Empty Empty) = 1
+countLeaves (Branch _ t1 t2) = countLeaves t1 + countLeaves t2
-- 
cgit v1.2.3-70-g09d2