/in/foo.c: In function 'main':
/in/foo.c:6:10: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long int *' [-Wformat=]
  scanf("%d",&n);
         ~^  ~~
         %ld
/in/foo.c:20:6: warning: unused variable 'ii' [-Wunused-variable]
  int ii=i;
      ^~