On Mon, Apr 5, 2010 at 6:17 PM, Ian Gorse <[email protected]> wrote: > "Find the only 4-digit integer which the product of its digits is > equal to the first two digits of the number, and the sum of its digits > is equal to the last two digits of the number"
(#~ ] = 100 #. [: (*/"1 ,. +/"1) (4$10)&#:) 1e3 + i. 9e3 > can you find all the 5-digit integers > which has similar property, the product of its digits is equal to the > first three digits of the number, and the sum of its digits is equal > to the last two digits of the number?" (#~ ] = 100 #. [: (*/"1 ,. +/"1) (5$10)&#:) 1e4 + i. 9e4 Ambrus ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
