/in/foo.c: In function 'main':
/in/foo.c:7:19: error: expected ')' before '\U0000ff0c'
    7 |         scanf("%d"，&n);
      |              ~    ^~
      |                   )
/in/foo.c:7:17: warning: format '%d' expects a matching 'int *' argument [-Wformat=]
    7 |         scanf("%d"，&n);
      |                ~^
      |                 |
      |                 int *