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View Compilation Error

0_0_25753203_14617.cpp: In function 'll inv(ll)':
0_0_25753203_14617.cpp:42:22: error: no match for 'operator-' (operand types are 'const FastDiv' and 'int')
     return fast(x,mod-2);
                      ^
0_0_25753203_14617.cpp:42:22: note: candidates are:
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++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_25753203_14617.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:328:5: note: template<class _Iterator> typename std::reverse_iterator<_Iterator>::difference_type std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator-(const reverse_iterator<_Iterator>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:328:5: note:   template argument deduction/substitution failed:
0_0_25753203_14617.cpp:42:23: note:   'const FastDiv' is not derived from 'const std::reverse_iterator<_Iterator>'
     return fast(x,mod-2);
                       ^
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++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_25753203_14617.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:380:5: note: template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator-(const reverse_iterator<_IteratorL>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:380:5: note:   template argument deduction/substitution failed:
0_0_25753203_14617.cpp:42:23: note:   'const FastDiv' is not derived from 'const std::reverse_iterator<_Iterator>'
     return fast(x,mod-2);
                       ^
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++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_25753203_14617.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1121:5: note: template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&)
     operator-(const move_iterator<_IteratorL>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1121:5: note:   template argument deduction/substitution failed:
0_0_25753203_14617.cpp:42:23: note:   'const FastDiv' is not derived from 'const std::move_iterator<_Iterator>'
     return fast(x,mod-2);
                       ^
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++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_25753203_14617.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1128:5: note: template<class _Iterator> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&)
     operator-(const move_iterator<_Iterator>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1128:5: note:   template argument deduction/substitution failed:
0_0_25753203_14617.cpp:42:23: note:   'const FastDiv' is not derived from 'const std::move_iterator<_Iterator>'
     return fast(x,mod-2);
                       ^
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_25753203_14617.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:351:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)
     operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:351:5: note:   template argument deduction/substitution failed:
0_0_25753203_14617.cpp:42:23: note:   'const FastDiv' is not derived from 'const std::complex<_Tp>'
     return fast(x,mod-2);
                       ^
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_25753203_14617.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:360:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)
     operator-(const complex<_Tp>& __x, const _Tp& __y)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:360:5: note:   template argument deduction/substitution failed:
0_0_25753203_14617.cpp:42:23: note:   'const FastDiv' is not derived from 'const std::complex<_Tp>'
     return fast(x,mod-2);
                       ^
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_25753203_14617.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:369:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)
     operator-(const _Tp& __x, const complex<_Tp>& __y)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:369:5: note:   template argument deduction/substitution failed:
0_0_25753203_14617.cpp:42:23: note:   mismatched types 'const std::complex<_Tp>' and 'int'
     return fast(x,mod-2);
                       ^
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_25753203_14617.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:446:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&)
     operator-(const complex<_Tp>& __x)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:446:5: note:   template argument deduction/substitution failed:
0_0_25753203_14617.cpp:42:23: note:   'const FastDiv' is not derived from 'const std::complex<_Tp>'
     return fast(x,mod-2);
                       ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_25753203_14617.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:208:3: note: std::ptrdiff_t std::operator-(const std::_Bit_iterator_base&, const std::_Bit_iterator_base&)
   operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
   ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:208:3: note:   no known conversion for argument 1 from 'const FastDiv' to 'const std::_Bit_iterator_base&'
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:67,
                 from 0_0_25753203_14617.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_deque.h:335:5: note: template<class _Tp, class _Ref, class _Ptr> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)
     operator-(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_deque.h:335:5: note:   template argument deduction/substitution failed:
0_0_25753203_14617.cpp:42:23: note:   'const FastDiv' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
     return fast(x,mod-2);
  


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