donald.cpp
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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */ 00002 /* 00003 * Main authors: 00004 * Christian Schulte <schulte@gecode.org> 00005 * 00006 * Copyright: 00007 * Christian Schulte, 2001 00008 * 00009 * Last modified: 00010 * $Date: 2010-05-08 12:56:03 +0200 (Sat, 08 May 2010) $ by $Author: tack $ 00011 * $Revision: 10906 $ 00012 * 00013 * This file is part of Gecode, the generic constraint 00014 * development environment: 00015 * http://www.gecode.org 00016 * 00017 * Permission is hereby granted, free of charge, to any person obtaining 00018 * a copy of this software and associated documentation files (the 00019 * "Software"), to deal in the Software without restriction, including 00020 * without limitation the rights to use, copy, modify, merge, publish, 00021 * distribute, sublicense, and/or sell copies of the Software, and to 00022 * permit persons to whom the Software is furnished to do so, subject to 00023 * the following conditions: 00024 * 00025 * The above copyright notice and this permission notice shall be 00026 * included in all copies or substantial portions of the Software. 00027 * 00028 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00029 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00030 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00031 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 00032 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 00033 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00034 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00035 * 00036 */ 00037 00038 #include <gecode/driver.hh> 00039 #include <gecode/int.hh> 00040 #include <gecode/minimodel.hh> 00041 00042 using namespace Gecode; 00043 00052 class Donald : public Script { 00053 private: 00055 static const int nl = 10; 00057 IntVarArray le; 00058 public: 00060 enum { 00061 MODEL_SINGLE, 00062 MODEL_CARRY 00063 }; 00065 Donald(const Options& opt) : 00066 le(*this,nl,0,9) { 00067 IntVar 00068 d(le[0]), o(le[1]), n(le[2]), a(le[3]), l(le[4]), 00069 g(le[5]), e(le[6]), r(le[7]), b(le[8]), t(le[9]); 00070 rel(*this, d, IRT_NQ, 0); 00071 rel(*this, g, IRT_NQ, 0); 00072 rel(*this, r, IRT_NQ, 0); 00073 00074 distinct(*this, le, opt.icl()); 00075 00076 switch (opt.model()) { 00077 case MODEL_SINGLE: 00078 rel(*this, 100000*d+10000*o+1000*n+100*a+10*l+d 00079 + 100000*g+10000*e+1000*r+100*a+10*l+d 00080 == 100000*r+10000*o+1000*b+100*e+10*r+t, 00081 opt.icl()); 00082 break; 00083 case MODEL_CARRY: 00084 { 00085 IntVar c0(*this,0,1), c1(*this,0,1), c2(*this,0,1), 00086 c3(*this,0,1), c4(*this,0,1); 00087 rel(*this, d+d == t+10*c0, opt.icl()); 00088 rel(*this, c0+l+l == r+10*c1, opt.icl()); 00089 rel(*this, c1+a+a == e+10*c2, opt.icl()); 00090 rel(*this, c2+n+r == b+10*c3, opt.icl()); 00091 rel(*this, c3+o+e == o+10*c4, opt.icl()); 00092 rel(*this, c4+d+g == r, opt.icl()); 00093 } 00094 break; 00095 default: GECODE_NEVER; 00096 } 00097 00098 branch(*this, le, INT_VAR_SIZE_MIN, INT_VAL_MAX); 00099 } 00101 Donald(bool share, Donald& s) : Script(share,s) { 00102 le.update(*this, share, s.le); 00103 } 00105 virtual Space* 00106 copy(bool share) { 00107 return new Donald(share,*this); 00108 } 00110 virtual void 00111 print(std::ostream& os) const { 00112 os << "\t" << le << std::endl;; 00113 } 00114 00115 }; 00116 00117 00121 int 00122 main(int argc, char* argv[]) { 00123 Options opt("Donald+Gerald=Robert"); 00124 opt.model(Donald::MODEL_SINGLE); 00125 opt.model(Donald::MODEL_SINGLE, "single", "use single linear equation"); 00126 opt.model(Donald::MODEL_CARRY, "carry", "use carry"); 00127 opt.solutions(0); 00128 opt.iterations(1500); 00129 opt.parse(argc,argv); 00130 Script::run<Donald,DFS,Options>(opt); 00131 return 0; 00132 } 00133 00134 // STATISTICS: example-any 00135