/in/foo.c: In function 'main':
/in/foo.c:9:11: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long int *' [-Wformat=]
   scanf("%d",&a[i]);
           ^
/in/foo.c:17:11: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=]
  printf("%d\n",c);
           ^