35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
|
%% -*- prolog -*-
|
||
|
|
%%=============================================================================
|
||
|
|
%% Copyright (C) 2011, 2013 by Denys Duchier, Vitor Santos Costa
|
||
|
|
%%
|
||
|
|
%% This program is free software: you can redistribute it and/or modify it
|
||
|
|
%% under the terms of the GNU Lesser General Public License as published by the
|
||
|
|
%% Free Software Foundation, either version 3 of the License, or (at your
|
||
|
|
%% option) any later version.
|
||
|
|
%%
|
||
|
|
%% This program is distributed in the hope that it will be useful, but WITHOUT
|
||
|
|
%% ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||
|
|
%% FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||
|
|
%% more details.
|
||
|
|
%%
|
||
|
|
%% You should have received a copy of the GNU Lesser General Public License
|
||
|
|
%% along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
%%=============================================================================
|
||
|
|
|
||
|
|
:- use_module(library(gecode/clpfd)).
|
||
|
|
|
||
|
|
% S E N D
|
||
|
|
% + M O R E
|
||
|
|
% ---------
|
||
|
|
% M O N E Y
|
||
|
|
send_more_money(Letters) :-
|
||
|
|
[S,E,N,D,M,O,R,Y] = Letters,
|
||
|
|
Letters ins 0..9,
|
||
|
|
M #\= 0,
|
||
|
|
S #\= 0,
|
||
|
|
all_distinct(Letters),
|
||
|
|
1000*S + 100*E + 10*N + D +
|
||
|
|
1000*M + 100*O + 10*R + E #=
|
||
|
|
10000*M + 1000*O + 100*N + 10*E + Y,
|
||
|
|
labeling([], Letters).
|