View Compilation Error

0_0_31619491_17541.cpp: In function 'int main()':
0_0_31619491_17541.cpp:3:12: error: expected unqualified-id before 'long'
 #define ll long long 
            ^
0_0_31619491_17541.cpp:29:2: note: in expansion of macro 'll'
  ll n;
  ^
0_0_31619491_17541.cpp:33:19: error: 'n' was not declared in this scope
   scanf("%I64d", &n);
                   ^