/**
* Copyright (c) 1999-2014, Ecole des Mines de Nantes
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Ecole des Mines de Nantes nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package samples.nqueen;
import org.kohsuke.args4j.Option;
import samples.AbstractProblem;
import solver.Solver;
import solver.search.strategy.IntStrategyFactory;
import solver.variables.IntVar;
/**
* <br/>
*
* @author Charles Prud'homme
* @since 31/03/11
*/
public abstract class AbstractNQueen extends AbstractProblem {
@Option(name = "-q", usage = "Number of queens.", required = false)
int n = 4;
IntVar[] vars;
@Override
public void createSolver() {
solver = new Solver("NQueen");
}
@Override
public void configureSearch() {
solver.set(IntStrategyFactory.minDom_LB(vars));
}
@Override
public void solve() {
solver.findSolution();
}
@Override
public void prettyOut() {
/*StringBuilder st = new StringBuilder();
String line = "+";
for (int i = 0; i < n; i++) {
line += "---+";
}
line += "\n";
st.append(line);
for (int i = 0; i < n; i++) {
st.append("|");
for (int j = 0; j < n; j++) {
st.append((vars[i].getValue() == j + 1) ? " * |" : " |");
}
st.append(MessageFormat.format("\n{0}", line));
}
st.append("\n\n\n");
LoggerFactory.getLogger("bench").info(st.toString());*/
}
}