Example: Dominating Queens More...
Public Member Functions | |
DominatingQueens (const SizeOptions &opt) | |
The actual problem. | |
virtual IntVar | cost (void) const |
Return cost. | |
DominatingQueens (DominatingQueens &s) | |
Constructor for cloning s. | |
virtual Space * | copy (void) |
Perform copying during cloning. | |
virtual void | print (std::ostream &os) const |
Print solution. | |
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ScriptBase (const Options &opt) | |
Constructor. | |
ScriptBase (ScriptBase &e) | |
Constructor used for cloning. | |
virtual void | compare (const Space &home, std::ostream &os) const |
Compare with s. | |
Protected Member Functions | |
int | xy (int x, int y) const |
Compute coordinate pair from x and y. | |
int | x (int xy) const |
Compute x coordinate from pair xy. | |
int | y (int xy) const |
Compute y coordinate from pair xy. | |
IntSet | attacked (int xy) |
Compute set of fields that can be attacked by xy. | |
Protected Attributes | |
const int | n |
Size of the board. | |
IntVarArray | b |
Fields on the board. | |
IntVar | q |
Number of queens. | |
Related Symbols | |
(Note that these are not member symbols.) | |
int | main (int argc, char *argv[]) |
Main-function. | |
Additional Inherited Members | |
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static std::ostream & | select_ostream (const char *sn, std::ofstream &ofs) |
Choose output stream according to sn. | |
template<class Script , template< class > class Engine, class Options > | |
static void | run (const Options &opt, Script *s=NULL) |
Example: Dominating Queens
Place a number of queens on a n times n chessboard such that each squares is either attacked or occupied by a queen.
The model is taken from: C. Bessiere, E. Hebrard, B. Hnich, Z. Kiziltan, and T. Walsh, Filtering Algorithms for the NValue Constraint, Constraints, 11(4), 271-293, 2006.
Definition at line 53 of file dominating-queens.cpp.
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inline |
The actual problem.
Definition at line 86 of file dominating-queens.cpp.
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inline |
Constructor for cloning s.
Definition at line 117 of file dominating-queens.cpp.
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inlineprotected |
Compute coordinate pair from x and y.
Definition at line 62 of file dominating-queens.cpp.
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inlineprotected |
Compute x coordinate from pair xy.
Definition at line 66 of file dominating-queens.cpp.
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inlineprotected |
Compute y coordinate from pair xy.
Definition at line 70 of file dominating-queens.cpp.
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inlineprotected |
Compute set of fields that can be attacked by xy.
Definition at line 74 of file dominating-queens.cpp.
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inlinevirtual |
Return cost.
Definition at line 112 of file dominating-queens.cpp.
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inlinevirtual |
Perform copying during cloning.
Definition at line 125 of file dominating-queens.cpp.
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inlinevirtual |
Print solution.
Reimplemented from Gecode::Driver::ScriptBase< BaseSpace >.
Definition at line 131 of file dominating-queens.cpp.
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related |
Main-function.
Definition at line 157 of file dominating-queens.cpp.
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protected |
Size of the board.
Definition at line 56 of file dominating-queens.cpp.
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protected |
Fields on the board.
Definition at line 58 of file dominating-queens.cpp.
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protected |
Number of queens.
Definition at line 60 of file dominating-queens.cpp.