View Compilation Error

0_0_19602735_27133.cpp:2:4: error: stray '#' in program
  2 #include<complex>
    ^
0_0_19602735_27133.cpp:3:4: error: stray '#' in program
  3 #include<cmath>
    ^
0_0_19602735_27133.cpp:4:4: error: stray '#' in program
  4 #define pi acos(-1.0)
    ^
0_0_19602735_27133.cpp:2:2: error: expected unqualified-id before numeric constant
  2 #include<complex>
  ^
0_0_19602735_27133.cpp:6:2: error: expected unqualified-id before numeric constant
  6 typedef complex<double>Comp;
  ^
0_0_19602735_27133.cpp:7:2: error: expected unqualified-id before numeric constant
  7 double x,y,A,k;
  ^
0_0_19602735_27133.cpp:8:2: error: expected unqualified-id before numeric constant
  8 int main()
  ^