ALPHAMETIC PUZZLE GENERATOR
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This generator makes
alphametic puzzles using lists of up to 200 words.
To generate alphametics, simply paste a text into the input box
above and press the button "GENERATE". Within seconds the program
will start listing the alphametics it founds after testing all
possible combinations of the words given. The following is a
practical example of generation of alphametics by using song lyrics.
LyricsEra website we access
the lyrics of the Beatles’s song “Hey Jude”, selecting and copying
the entire text (205 words), then pasting it in the input box. Now
just press the "GENERATE" button and ... bingo! ... the program
starts listing the 3-word alphametics found after testing all
possible word combinations.
We used a text taken from a song’s lyrics, however any thematic text
can be used such as children's stories, poems, essays, articles,
hymns, etc. Another way of entering the list of words is just by
typing them, one by one, right into the input box.
When you paste a block of text in the input box, don’t bother to
count the exact number of words for fear of exceeding the limit of
200 because the program is smart and automatically ignores words
that exceed this limit.
At this point, you've probably noticed that it is very easy to
generate new alphametics. But unfortunately almost all these
alphametics so easily generated are of poor quality: aesthetically
unacceptable (illogical, nonsensical) or impossible to be solved by
hand, not suited for recreational purposes.
In the practical example given above, the program delivered 114
three-word alphametics. Selecting the best ones that are logical
and read well, we take only these seven:
WERE + LITTLE = AFRAID rearranged from (LITTLE + WERE = AFRAID)
PLAYS + WELL = BETTER
TAKE + THAT = CARRY
YOU + WERE = FOUND from (WERE + YOU = FOUND)
YOU + YOUR = HEART
TO + GO = OUT from (GO + TO = OUT)
BETTER + BETTER = PERFORM
For publishing purposes, we should do a further screening to select
the puzzles solvable by hand. I tested them and solved all by hand
WERE + LITTLE = AFRAID.
1) The accent marks or diacriticals such as acute, cedilla,
circumflex, grave, tilde, and umlaut are normally accepted then
automatically deleted by the program. However, in rare cases some
digits or unusual characters are rejected by the program that stops
and orders their removal to be able to continue.
2) The maximum number of words acceptable in a text is 200. The
words that exceed this limit are ignored for not degrading the speed
of the program.
3) The time it takes the program to display all the results varies
from 30 seconds to 3 minutes, depending on the number, size and
content of the text words submitted, as well as the speed of the
4) The CLEAR button you find in the panel cleans the two text boxes
5) Using the radio buttons, the program can be set up to generate
alfphametic puzzles containing 3, 4, 5 or 6 words each. The default set up
is 3 words.
6) The program uses these Java classes:
© Java class Cryptarithmetic by JJ
Shie / Department of Computer Science and Information Engineering (DCSI)
/ National Chiao-Tung University, Taiwan.
© Java class Combination by Nobuhiko Ido / Faculty of Business
Administration / Gifu Keizai University, Gifu, Japan
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Copyright © 2002 by Jorge A C B Soares.
All rights reserved.
Last updated: September 1st, 2010.