/in/ex3.c: In function 'main':
/in/ex3.c:10:11: error: too many arguments for format [-Werror=format-extra-args]
     scanf("&d", &n);
           ^~~~
/in/ex3.c:24:20: error: too many arguments for format [-Werror=format-extra-args]
             printf("&8d", matrix[i][j]);
                    ^~~~~
cc1: all warnings being treated as errors