[Wellington-pm] SEND + MORE = MONEY
Donald Gordon
don at dis.org.nz
Tue Mar 1 18:58:24 PST 2005
On Wed, 02 Mar 2005 15:54:15 +1300, michael at diaspora.gen.nz wrote:
> For the modulus trickery, one can observe that we have multiple equations
> that can be used to filter a brute force search space; eg, in the example
> 'SEND + MORE = MONEY', the following equations must hold:
>
> (D + E) % 10 == Y
> (N + R) % 10 == E
> (E + O) % 10 == N
> (S + M) % 10 == O
Is that the case, though? if D+E >= 10, then (N + R + 1) % 10 == E...
donald
More information about the Wellington-pm
mailing list