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| Title: | Mathematics at DEC |
|
| Moderator: | RUSURE::EDP |
|
| Created: | Mon Feb 03 1986 |
| Last Modified: | Fri Jun 06 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 2083 |
| Total number of notes: | 14613 |
45.0. "Alphametic solver" by HARE::STAN () Sun Feb 26 1984 00:02
An alphametic is a type of cryptarithm, composed of words that replace
numbers in a mathematical computation. Each letter represents a
digit and no two different digits are represented by the same letter.
For example, you are probably familiar with the classic alphametic:
S E N D
+ M O R E
---------
M O N E Y
Gilbert and I have been writing programs that automatically solve
addition alphametics. We have been independently working on this
problem for several weeks; each trying to outdo the other in speed
of execution. (This is a good technique for writing code that runs
fast. Our current programs are about 2 decimal orders of magnitude
faster than our first attempts.)
If anyone is interested in the code (or needs an alphametic solved),
contact me or Peter.
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