Wrong Answer
/in/foo.cc: In function 'int main()':
/in/foo.cc:5:11: warning: 'n' is used uninitialized in this function [-Wuninitialized]
int arr[n];
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:5:11: warning: 'n' is used uninitialized in this function [-Wuninitialized]
int arr[n];
^
