examples

library/gecode/clp_examples/send_more_money.yap

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+%% -*- 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).

library/gecode/clp_examples/send_most_money.yap

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+%% -*- 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_most_money(Letters, Money) :-
+	[S,E,N,D,M,O,T,Y] = Letters,
+	Letters ins 0..9,
+	Money in 0..99999,
+	M #\= 0,
+	S #\= 0,
+	all_distinct(Letters),
+	          1000*S + 100*E + 10*N + D +
+                  1000*M + 100*O + 10*S + T #=
+        10000*M + 1000*O + 100*N + 10*E + Y,
+	10000*M + 1000*O + 100*N + 10*E + Y #= Money,
+	maximize(Money),
+	labeling([], Letters).