typedef struct field{
	char type;
	int k, dist;
	int x,y;
	struct field *prev,*next;
}FIELD;

int getMinDistance(FIELD **mf,int *i){
	while(mf[*i]==NULL){
		(*i)++;
		if(*i==5) *i=0;
	}
	int m = mf[*i]->k;
	mf[*i] = mf[*i]->next;
	return m;
}

void updateMinDistance(FIELD **mf, int k, int l){
	FIELD *m = (FIELD *)malloc(sizeof(FIELD));
	m->k = k;
	m->next = mf[l%mfs]==NULL?NULL:mf[l%mfs];
	mf[l%mfs] = m;
}