View Compilation Error

0_0_33570385_28646.cpp: In function 'long long int euler_phi(long long int)':
0_0_33570385_28646.cpp:7:13: error: expected primary-expression before 'long'
 #define int long long
             ^
0_0_33570385_28646.cpp:13:13: note: in expansion of macro 'int'
     int m = int(sqrt(n + 0.5));
             ^