From: utzoo!decvax!harpo!floyd!jce
Newsgroups: net.math
Title: ABCDE puzzle
Article-I.D.: floyd.372
Posted: Fri Jul 16 10:58:13 1982
Received: Sat Jul 17 01:47:47 1982

Yes, it's too easy.  It took less than 5 minutes without a program.
The key is to see that since the answer has the same number of digits
as the multiplicand, there can be no carry out.  This limits the range
of A, which limits E, etc.