definitions.h

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#ifndef DEFINITIONS_H
#define DEFINITIONS_H
 
#include <string>
#include <vector>
#include <memory>
 
class State {
public:
    State() {}
 
    virtual ~State() {}
 
    virtual void print() {}
};
 
class Action {
public:
 std::string name;                          // Action name (e.g., "Up", "Down")
 double cost;                               // Cost of the action
 std::shared_ptr<State> source_state;       // Source state
 std::shared_ptr<State> effect;            // Resulting state after applying the action
 
 // Constructor
 Action(const std::string &name, double cost, std::shared_ptr<State> source_state, std::shared_ptr<State> effect)
     : name(name), cost(cost), source_state(source_state), effect(effect) {}
};
 
 
 
class Problem {
public:
    Problem() {}
 
    virtual ~Problem() {}
 
    virtual State *initial_state() { return initial_state_; }
 
    virtual bool goal_test(State *state) = 0;
 
    virtual std::vector<std::shared_ptr<Action>> actions(std::shared_ptr<State> state) = 0;
 
    virtual double heuristic(State *state) = 0;
 
    State *initial_state_;
};
 
#endif // DEFINITIONS_H