/*                                                                         ai.h
                                                                             */

extern state *best_solution;
extern int best_solution_time;

void basic_ai_find_route(city_record *from, city_record *to, int target);
void controlled_ai_find_route(city_record *from, city_record *to);

list_of_roads *ai_best_solution(void);
int ai_best_solution_time(void);