2007-12-18 20:57:16 -05:00
|
|
|
! Copyright (c) 2007 Aaron Schaefer.
|
|
|
|
|
! See http://factorcode.org/license.txt for BSD license.
|
2009-03-19 00:05:32 -04:00
|
|
|
USING: lists math math.primes.lists project-euler.common ;
|
2007-12-18 20:57:16 -05:00
|
|
|
IN: project-euler.007
|
|
|
|
|
|
|
|
|
|
! http://projecteuler.net/index.php?section=problems&id=7
|
|
|
|
|
|
|
|
|
|
! DESCRIPTION
|
|
|
|
|
! -----------
|
|
|
|
|
|
|
|
|
|
! By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see
|
|
|
|
|
! that the 6th prime is 13.
|
|
|
|
|
|
|
|
|
|
! What is the 10001st prime number?
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
! SOLUTION
|
|
|
|
|
! --------
|
|
|
|
|
|
|
|
|
|
: euler007 ( -- answer )
|
2008-01-06 21:18:59 -05:00
|
|
|
10001 nth-prime ;
|
2007-12-18 20:57:16 -05:00
|
|
|
|
2008-01-06 21:18:59 -05:00
|
|
|
! [ euler007 ] 100 ave-time
|
2008-11-04 01:04:03 -05:00
|
|
|
! 5 ms ave run time - 1.13 SD (100 trials)
|
2007-12-18 20:57:16 -05:00
|
|
|
|
2009-03-19 00:05:32 -04:00
|
|
|
SOLUTION: euler007
|
