Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:241:20: error: no match for ‘operator-’ (operand types are ‘HugeN’ and ‘int’) DR= Mid-1; ^ user.cpp:241:20: note: candidates are: In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/vector:60, from user.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:327:5: 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, ^ /usr/include/c++/4.8/bits/stl_iterator.h:327:5: note: template argument deduction/substitution failed: user.cpp:241:21: note: ‘HugeN’ is not derived from ‘const std::reverse_iterator<_Iterator>’ DR= Mid-1; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/vector:60, from user.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:379:5: 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, ^ /usr/include/c++/4.8/bits/stl_iterator.h:379:5: note: template argument deduction/substitution failed: user.cpp:241:21: note: ‘HugeN’ is not derived from ‘const std::reverse_iterator<_Iterator>’ DR= Mid-1; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/vector:60, from user.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1104:5: 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, ^ /usr/include/c++/4.8/bits/stl_iterator.h:1104:5: note: template argument deduction/substitution failed: user.cpp:241:21: note: ‘HugeN’ is not derived from ‘const std::move_iterator<_Iterator>’ DR= Mid-1; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/vector:60, from user.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1111:5: 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, ^ /usr/include/c++/4.8/bits/stl_iterator.h:1111:5: note: template argument deduction/substitution failed: user.cpp:241:21: note: ‘HugeN’ is not derived from ‘const std::move_iterator<_Iterator>’ DR= Mid-1; ^ In file included from /usr/include/c++/4.8/vector:65:0, from user.cpp:1: /usr/include/c++/4.8/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) ^