/*= Ex12.h ========================*/
#define InitLimitArray(limit,ary)\
                ary[0]=0,\
                ary[1]=limit-2
#define SetNumberArray(nA,ary)\
	{	long lmt= ary[(long)ary[0]+1];\
    if(nA > lmt){ \
      printf(#ary" is too big!");\
      printf("(<= %d)\n", lmt);\
      ary[0]=-1;\
    }else{\
      ary[0]= nA;\
      ary[(long)ary[0]+1]=lmt;\
    }\
	}
#define Number(ary) (ary[0])
#define Limit(ary)\
        (ary[(long)ary[0]+1])
/*================================*/