/in/foo.c: In function 'main':
/in/foo.c:16:41: error: expected ')' before '\U0000ff09'
   16 |                         for(j=0;j<=1;j++）
      |                            ~            ^~
      |                                         )
/in/foo.c:20:33: error: expected expression before '}' token
   20 |                                 }
      |                                 ^
/in/foo.c:5:25: warning: variable 'b' set but not used [-Wunused-but-set-variable]
    5 |         int a[2][3]={0},b[2][3]={0};
      |                         ^