/**
* Solves this scales-balancing problem using the specified solver.
*
* @param object ISolver $solver The solver to use.
* @return object ISolution The solution to this scales-balancing problem.
*/
public function solve(ISolver $solver)
{
$result = $solver->solve(new ScalesBalancingProblem_Node($this));
return $result;
}
/**
* Solves this 0/1 knapsack using the specified solver.
*
* @param object ISolver $solver The solver to use.
* @return object ISolution The solution to this 0/1 knapsack problem.
*/
public function solve(ISolver $solver)
{
$result = $solver->solve(new ZeroOneKnapsackProblem_Node($this));
return $result;
}