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authorCharles <sircharlesaze@gmail.com>2019-08-16 21:58:12 +0200
committerCharles <sircharlesaze@gmail.com>2019-08-16 21:58:12 +0200
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haskell problem 13 -> 18, 20
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+-- Power digit sum
+--
+-- Problem 16
+-- 2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26.
+--
+-- What is the sum of the digits of the number 2^1000?
+
+
+import Data.Char
+
+main = print (sum [ord x - ord '0' | x <- show (2 ^ 1000)])