/in/foo.c: In function 'main':
/in/foo.c:9:50: error: expected ')' before ';' token
    9 |                         scanf("%1d",&matrix[i][j];
      |                              ~                   ^
      |                                                  )
/in/foo.c:9:51: error: expected ';' before '}' token
    9 |                         scanf("%1d",&matrix[i][j];
      |                                                   ^
      |                                                   ;
   10 |                                   }
      |                                   ~