13 lines
293 B
Haskell

-- 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 ProjectEuler (digitSum)
main = do
let result = digitSum $ 2 ^ 1000
putStrLn $
"Project Euler, Problem 16\n"
++ "Answer: "
++ show result