void init_placement(struct placement *p, struct request *r);
void init_individual(struct individual *i);
void init_placement(struct placement *p, struct request *r);
void init_individual(struct individual *i);
struct map_part **get_parts(struct placement *symbol, struct individual *individual);
int randint(int min, int max);
struct map_part **get_parts(struct placement *symbol, struct individual *individual);
int randint(int min, int max);