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<div class="title">knapsack_solver.h File Reference</div> </div>
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<div class="textblock"><code>#include <math.h></code><br />
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<code>#include <memory></code><br />
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<code>#include <string></code><br />
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<code>#include <vector></code><br />
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<code>#include "absl/memory/memory.h"</code><br />
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<code>#include "ortools/base/basictypes.h"</code><br />
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<code>#include "ortools/base/integral_types.h"</code><br />
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<code>#include "ortools/base/logging.h"</code><br />
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<code>#include "ortools/base/macros.h"</code><br />
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<code>#include "ortools/util/time_limit.h"</code><br />
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Include dependency graph for knapsack_solver.h:</div>
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<div class="center"><img src="knapsack__solver_8h__incl.png" border="0" usemap="#knapsack__solver_8h" alt=""/></div>
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<p><a href="knapsack__solver_8h_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
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Classes</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1KnapsackSolver.html">operations_research::KnapsackSolver</a></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structoperations__research_1_1KnapsackAssignment.html">operations_research::KnapsackAssignment</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">--— KnapsackAssignement --— KnapsackAssignement is a small struct used to pair an item with its assignment. <a href="structoperations__research_1_1KnapsackAssignment.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structoperations__research_1_1KnapsackItem.html">operations_research::KnapsackItem</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">--— <a class="el" href="structoperations__research_1_1KnapsackItem.html" title="--— KnapsackItem --— KnapsackItem is a small struct to pair an item weight with its corresponding pro...">KnapsackItem</a> --— <a class="el" href="structoperations__research_1_1KnapsackItem.html" title="--— KnapsackItem --— KnapsackItem is a small struct to pair an item weight with its corresponding pro...">KnapsackItem</a> is a small struct to pair an item weight with its corresponding profit. <a href="structoperations__research_1_1KnapsackItem.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1KnapsackSearchNode.html">operations_research::KnapsackSearchNode</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">--— <a class="el" href="classoperations__research_1_1KnapsackSearchNode.html" title="--— KnapsackSearchNode --— KnapsackSearchNode is a class used to describe a decision in the decision ...">KnapsackSearchNode</a> --— <a class="el" href="classoperations__research_1_1KnapsackSearchNode.html" title="--— KnapsackSearchNode --— KnapsackSearchNode is a class used to describe a decision in the decision ...">KnapsackSearchNode</a> is a class used to describe a decision in the decision search tree. <a href="classoperations__research_1_1KnapsackSearchNode.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1KnapsackSearchPath.html">operations_research::KnapsackSearchPath</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">--— <a class="el" href="classoperations__research_1_1KnapsackSearchPath.html" title="--— KnapsackSearchPath --— KnapsackSearchPath is a small class used to represent the path between a n...">KnapsackSearchPath</a> --— <a class="el" href="classoperations__research_1_1KnapsackSearchPath.html" title="--— KnapsackSearchPath --— KnapsackSearchPath is a small class used to represent the path between a n...">KnapsackSearchPath</a> is a small class used to represent the path between a node to another node in the search tree. <a href="classoperations__research_1_1KnapsackSearchPath.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1KnapsackState.html">operations_research::KnapsackState</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">--— <a class="el" href="classoperations__research_1_1KnapsackState.html" title="--— KnapsackState --— KnapsackState represents a partial solution to the knapsack problem.">KnapsackState</a> --— <a class="el" href="classoperations__research_1_1KnapsackState.html" title="--— KnapsackState --— KnapsackState represents a partial solution to the knapsack problem.">KnapsackState</a> represents a partial solution to the knapsack problem. <a href="classoperations__research_1_1KnapsackState.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1KnapsackPropagator.html">operations_research::KnapsackPropagator</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">--— <a class="el" href="classoperations__research_1_1KnapsackPropagator.html" title="--— KnapsackPropagator --— KnapsackPropagator is the base class for modeling and propagating a constr...">KnapsackPropagator</a> --— <a class="el" href="classoperations__research_1_1KnapsackPropagator.html" title="--— KnapsackPropagator --— KnapsackPropagator is the base class for modeling and propagating a constr...">KnapsackPropagator</a> is the base class for modeling and propagating a constraint given an assignment. <a href="classoperations__research_1_1KnapsackPropagator.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1KnapsackCapacityPropagator.html">operations_research::KnapsackCapacityPropagator</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">--— <a class="el" href="classoperations__research_1_1KnapsackCapacityPropagator.html" title="--— KnapsackCapacityPropagator --— KnapsackCapacityPropagator is a KnapsackPropagator used to enforce...">KnapsackCapacityPropagator</a> --— <a class="el" href="classoperations__research_1_1KnapsackCapacityPropagator.html" title="--— KnapsackCapacityPropagator --— KnapsackCapacityPropagator is a KnapsackPropagator used to enforce...">KnapsackCapacityPropagator</a> is a <a class="el" href="classoperations__research_1_1KnapsackPropagator.html" title="--— KnapsackPropagator --— KnapsackPropagator is the base class for modeling and propagating a constr...">KnapsackPropagator</a> used to enforce a capacity constraint. <a href="classoperations__research_1_1KnapsackCapacityPropagator.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1BaseKnapsackSolver.html">operations_research::BaseKnapsackSolver</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">--— <a class="el" href="classoperations__research_1_1BaseKnapsackSolver.html" title="--— BaseKnapsackSolver --— This is the base class for knapsack solvers.">BaseKnapsackSolver</a> --— This is the base class for knapsack solvers. <a href="classoperations__research_1_1BaseKnapsackSolver.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1KnapsackGenericSolver.html">operations_research::KnapsackGenericSolver</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">--— <a class="el" href="classoperations__research_1_1KnapsackGenericSolver.html" title="--— KnapsackGenericSolver --— KnapsackGenericSolver is the multi-dimensional knapsack solver class.">KnapsackGenericSolver</a> --— <a class="el" href="classoperations__research_1_1KnapsackGenericSolver.html" title="--— KnapsackGenericSolver --— KnapsackGenericSolver is the multi-dimensional knapsack solver class.">KnapsackGenericSolver</a> is the multi-dimensional knapsack solver class. <a href="classoperations__research_1_1KnapsackGenericSolver.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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Namespaces</h2></td></tr>
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<tr class="memitem:namespaceoperations__research"><td class="memItemLeft" align="right" valign="top">  </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceoperations__research.html">operations_research</a></td></tr>
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<tr class="memdesc:namespaceoperations__research"><td class="mdescLeft"> </td><td class="mdescRight">Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. <br /></td></tr>
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Typedefs</h2></td></tr>
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<tr class="memitem:ab6f3adbb119982fdfb9a85d87310f255"><td class="memItemLeft" align="right" valign="top">typedef KnapsackItem * </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceoperations__research.html#ab6f3adbb119982fdfb9a85d87310f255">operations_research::KnapsackItemPtr</a></td></tr>
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<tr class="separator:ab6f3adbb119982fdfb9a85d87310f255"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ab0de44378545d5727eb4400210e568f8"><td class="memItemLeft" align="right" valign="top">Select next search node to expand Select next item_i to </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceoperations__research.html#ab0de44378545d5727eb4400210e568f8">operations_research::assign</a> (using master propagator) - Generate a new search node where item_i is in the knapsack - Check validity of this new partial solution(using propagators) - If valid</td></tr>
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<tr class="memdesc:ab0de44378545d5727eb4400210e568f8"><td class="mdescLeft"> </td><td class="mdescRight">The following code defines needed classes for the <a class="el" href="classoperations__research_1_1KnapsackGenericSolver.html" title="--— KnapsackGenericSolver --— KnapsackGenericSolver is the multi-dimensional knapsack solver class.">KnapsackGenericSolver</a> class which is the entry point to extend knapsack with new constraints such as conflicts between items. <a href="namespaceoperations__research.html#ab0de44378545d5727eb4400210e568f8">More...</a><br /></td></tr>
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<tr class="separator:ab0de44378545d5727eb4400210e568f8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a35a30dc825cd0afa0e095f47118cd3cd"><td class="memItemLeft" align="right" valign="top">Select next search node to expand Select next item_i to add this new search node to the search Generate a new search node where item_i is not in the knapsack Check validity of this new partial </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceoperations__research.html#a35a30dc825cd0afa0e095f47118cd3cd">operations_research::solution</a> (using propagators) - If valid</td></tr>
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