0_0_35777339_13889.cpp:10:1: error: reference to 'complex' is ambiguous
complex operator + (complex a,complex b){ return complex(a.x+b.x , a.y+b.y);}
^
0_0_35777339_13889.cpp:5:8: note: candidates are: struct complex
struct complex
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_35777339_13889.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:63:32: note: template<class _Tp> struct std::complex
template<typename _Tp> class complex;
^
0_0_35777339_13889.cpp:10:1: error: 'complex' does not name a type
complex operator + (complex a,complex b){ return complex(a.x+b.x , a.y+b.y);}
^
0_0_35777339_13889.cpp:11:1: error: reference to 'complex' is ambiguous
complex operator - (complex a,complex b){ return complex(a.x-b.x , a.y-b.y);}
^
0_0_35777339_13889.cpp:5:8: note: candidates are: struct complex
struct complex
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_35777339_13889.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:63:32: note: template<class _Tp> struct std::complex
template<typename _Tp> class complex;
^
0_0_35777339_13889.cpp:11:1: error: 'complex' does not name a type
complex operator - (complex a,complex b){ return complex(a.x-b.x , a.y-b.y);}
^
0_0_35777339_13889.cpp:12:1: error: reference to 'complex' is ambiguous
complex operator * (complex a,complex b){ return complex(a.x*b.x-a.y*b.y , a.x*b.y+a.y*b.x);}//不懂的看复数的运算那部分
^
0_0_35777339_13889.cpp:5:8: note: candidates are: struct complex
struct complex
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_35777339_13889.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:63:32: note: template<class _Tp> struct std::complex
template<typename _Tp> class complex;
^
0_0_35777339_13889.cpp:12:1: error: 'complex' does not name a type
complex operator * (complex a,complex b){ return complex(a.x*b.x-a.y*b.y , a.x*b.y+a.y*b.x);}//不懂的看复数的运算那部分
^
0_0_35777339_13889.cpp:16:10: error: variable or field 'fft' declared void
void fft(complex *A,int type)
^
0_0_35777339_13889.cpp:16:10: error: reference to 'complex' is ambiguous
0_0_35777339_13889.cpp:5:8: note: candidates are: struct complex
struct complex
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_35777339_13889.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:63:32: note: template<class _Tp> struct std::complex
template<typename _Tp> class complex;
^
0_0_35777339_13889.cpp:16:19: error: 'A' was not declared in this scope
void fft(complex *A,int type)
^
0_0_35777339_13889.cpp:16:21: error: expected primary-expression before 'int'
void fft(complex *A,int type)
^
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