0_0_30280605_27409.cpp:16:29: error: invalid use of template-name 'std::complex' without an argument list
Complex operator+(const complex &a)const
^
0_0_30280605_27409.cpp: In member function 'Complex Complex::operator+(const int&) const':
0_0_30280605_27409.cpp:18:28: error: request for member 'r' in 'a', which is of non-class type 'const int'
return Complex(r+a.r,i+a.i);
^
0_0_30280605_27409.cpp:18:34: error: request for member 'i' in 'a', which is of non-class type 'const int'
return Complex(r+a.r,i+a.i);
^
0_0_30280605_27409.cpp: In function 'void fft(Complex*, int, int)':
0_0_30280605_27409.cpp:57:23: error: no match for 'operator+' (operand types are 'Complex' and 'Complex')
x[k]=u+t;
^
0_0_30280605_27409.cpp:57:23: note: candidates are:
0_0_30280605_27409.cpp:16:13: note: Complex Complex::operator+(const int&) const
Complex operator+(const complex &a)const
^
0_0_30280605_27409.cpp:16:13: note: no known conversion for argument 1 from 'Complex' to 'const int&'
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_30280605_27409.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:334:5: note: template<class _Iterator> std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&)
operator+(typename reverse_iterator<_Iterator>::difference_type __n,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:334:5: note: template argument deduction/substitution failed:
0_0_30280605_27409.cpp:57:24: note: 'Complex' is not derived from 'const std::reverse_iterator<_Iterator>'
x[k]=u+t;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_30280605_27409.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1135:5: note: template<class _Iterator> std::move_iterator<_Iterator> std::operator+(typename std::move_iterator<_Iterator>::difference_type, const std::move_iterator<_Iterator>&)
operator+(typename move_iterator<_Iterator>::difference_type __n,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1135:5: note: template argument deduction/substitution failed:
0_0_30280605_27409.cpp:57:24: note: 'Complex' is not derived from 'const std::move_iterator<_Iterator>'
x[k]=u+t;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_30280605_27409.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:2384:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::basic_string<_CharT, _Traits, _Alloc>&, const std::basic_string<_CharT, _Traits, _Alloc>&)
operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:2384:5: note: template argument deduction/substitution failed:
0_0_30280605_27409.cpp:57:24: note: 'Complex' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>'
x[k]=u+t;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:53:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_30280605_27409.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.tcc:692:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, const std::basic_string<_CharT, _Traits, _Alloc>&)
operator+(const _CharT* __lhs,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.tcc:692:5: note: template argument deduction/substitution failed:
0_0_30280605_27409.cpp:57:24: note: mismatched types 'const _CharT*' and 'Complex'
x[k]=u+t;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:53:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_30280605_27409.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.tcc:708:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, const std::basic_string<_CharT, _Traits, _Alloc>&)
operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.tcc:708:5: note: template argument deduction/substitution failed:
0_0_30280605_27409.cpp:57:24: note: 'Complex' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>'
x[k]=u+t;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_30280605_27409.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:2421:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
operator+(const
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