summaryrefslogtreecommitdiff
path: root/6-kyu/does-my-number-look-big-in-this.hs
diff options
context:
space:
mode:
Diffstat (limited to '6-kyu/does-my-number-look-big-in-this.hs')
-rw-r--r--6-kyu/does-my-number-look-big-in-this.hs16
1 files changed, 16 insertions, 0 deletions
diff --git a/6-kyu/does-my-number-look-big-in-this.hs b/6-kyu/does-my-number-look-big-in-this.hs
new file mode 100644
index 0000000..3de21d8
--- /dev/null
+++ b/6-kyu/does-my-number-look-big-in-this.hs
@@ -0,0 +1,16 @@
+-- https://www.codewars.com/kata/5287e858c6b5a9678200083c
+
+module Narcissistic where
+
+splitNum n = reverse $ impl n
+ where
+ impl n
+ | n < 10 = [n]
+ | otherwise = (n `mod` 10):(impl (n `div` 10))
+
+narcissistic :: Integral n => n -> Bool
+narcissistic n
+ | (sum $ map (^ (length splited)) splited) == n = True
+ | otherwise = False
+ where
+ splited = splitNum n