/in/foo.c: In function 'main':
/in/foo.c:8:17: warning: too many arguments for format [-Wformat-extra-args]
    8 |         {printf("1\n",n);}
      |                 ^~~~~
/in/foo.c:10:17: warning: too many arguments for format [-Wformat-extra-args]
   10 |         {printf("2\n",n);}
      |                 ^~~~~
/in/foo.c:12:17: warning: too many arguments for format [-Wformat-extra-args]
   12 |         {printf("3\n",n);}
      |                 ^~~~~
/in/foo.c:14:17: warning: too many arguments for format [-Wformat-extra-args]
   14 |         {printf("4\n",n);}
      |                 ^~~~~
/in/foo.c:16:17: warning: too many arguments for format [-Wformat-extra-args]
   16 |         {printf("5\n",n);}
      |                 ^~~~~
/in/foo.c:26:17: warning: 'a' is used uninitialized [-Wuninitialized]
   26 |                 printf("%d",a[i]);
      |                 ^~~~~~~~~~~~~~~~~
/in/foo.c:5:13: note: 'a' declared here
    5 |         int a[5];
      |             ^