1 ! Copyright (c) 2008 Aaron Schaefer.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: kernel math math.functions math.ranges
4 project-euler.common sequences ;
7 ! http://projecteuler.net/index.php?section=problems&id=48
12 ! The series, 1^1 + 2^2 + 3^3 + ... + 10^10 = 10405071317.
14 ! Find the last ten digits of the series, 1^1 + 2^2 + 3^3 + ... + 1000^1000.
20 : euler048 ( -- answer )
21 1000 [1..b] [ dup ^ ] map-sum 10 10^ mod ;
23 ! [ euler048 ] 100 ave-time
24 ! 276 ms run / 1 ms GC ave time - 100 trials