cat <<'X'
 printf("EXACT %lld/%lld approx %.17g\n",bnum,bden,best)@
 printf("Bmask %d n %d : ",bb,__builtin_popcount(bb))@
 for(i=0@i!=20@++i){
  if((bb>>i)&1) printf("%d ",p[i])@
 }
 printf("\n")@
 printf("Amask %d n %d : ",ba,__builtin_popcount(ba))@
 for(i=0@i!=20@++i){
  if((ba>>i)&1) printf("%d ",p[i])@
 }
 printf("\n")@
 return 0@
}
X