/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */ /* * Main authors: * Christian Schulte * * Copyright: * Christian Schulte, 2001 * * Last modified: * $Date: 2007-11-30 13:58:34 +0100 (Fri, 30 Nov 2007) $ by $Author: tack $ * $Revision: 5524 $ * * This file is part of Gecode, the generic constraint * development environment: * http://www.gecode.org * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ #include "examples/support.hh" #include "gecode/minimodel.hh" /** * \brief %Example: SEND+MORE=MONEY puzzle * * Well-known cryptoarithmetic puzzle. * Henry Dudeney, Strand Magazine, July 1924. * * \ingroup ExProblem * */ class Money : public Example { protected: /// Number of letters static const int nl = 8; /// Array of letters IntVarArray le; public: /// Actual model Money(const Options& opt) : le(this,nl,0,9) { IntVar s(le[0]), e(le[1]), n(le[2]), d(le[3]), m(le[4]), o(le[5]), r(le[6]), y(le[7]); rel(this, s, IRT_NQ, 0); rel(this, m, IRT_NQ, 0); post(this, 1000*s+100*e+10*n+d + 1000*m+100*o+10*r+e == 10000*m+1000*o+100*n+10*e+y, opt.icl()); distinct(this, le, opt.icl()); branch(this, le, INT_VAR_SIZE_MIN, INT_VAL_MIN); } /// Print solution virtual void print(std::ostream& os) { os << "\t" << le << std::endl; } /// Constructor for cloning \a s Money(bool share, Money& s) : Example(share,s) { le.update(this, share, s.le); } /// Copy during cloning virtual Space* copy(bool share) { return new Money(share,*this); } }; /** \brief Main-function * \relates Money */ int main(int argc, char* argv[]) { Options opt("SEND+MORE=MONEY"); opt.solutions(0); opt.iterations(20000); opt.parse(argc,argv); Example::run(opt); return 0; } // STATISTICS: example-any