Eroare de compilare: user.cpp: In function ‘void back(int)’: user.cpp:41:49: error: ‘min_element’ was not declared in this scope int where = min_element(row + 1, row + L + 1) - row; ^ user.cpp:49:38: error: ‘shuffle’ was not declared in this scope shuffle(OX.begin(), OX.end(), gen); ^ user.cpp: In function ‘int main()’: user.cpp:96:26: error: ‘tie’ was not declared in this scope tie(x, y, u, v, n) = p; ^ In file included from /usr/include/c++/4.8/vector:69:0, from user.cpp:3: /usr/include/c++/4.8/bits/vector.tcc: In instantiation of ‘void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int, int&, int&, int&, int&}; _Tp = std::tuple<int, int, int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int, int, int> >]’: user.cpp:62:73: required from here /usr/include/c++/4.8/bits/vector.tcc:98:6: error: cannot increment a pointer to incomplete type ‘std::tuple<int, int, int, int, int>’ ++this->_M_impl._M_finish; ^ In file included from /usr/include/c++/4.8/vector:64:0, from user.cpp:3: /usr/include/c++/4.8/bits/stl_vector.h: In instantiation of ‘void std::vector<_Tp, _Alloc>::pop_back() [with _Tp = std::tuple<int, int, int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int, int, int> >]’: user.cpp:71:33: required from here /usr/include/c++/4.8/bits/stl_vector.h:939:2: error: cannot decrement a pointer to incomplete type ‘std::tuple<int, int, int, int, int>’ --this->_M_impl._M_finish; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from user.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h: In instantiation of ‘__gnu_cxx::__normal_iterator<_Iterator, _Container>& __gnu_cxx::__normal_iterator<_Iterator, _Container>::operator++() [with _Iterator = std::tuple<int, int, int, int, int>*; _Container = std::vector<std::tuple<int, int, int, int, int> >]’: user.cpp:94:20: required from here /usr/include/c++/4.8/bits/stl_iterator.h:748:2: error: cannot increment a pointer to incomplete type ‘std::tuple<int, int, int, int, int>’ ++_M_current; ^ In file included from /usr/include/c++/4.8/vector:64:0, from user.cpp:3: /usr/include/c++/4.8/bits/stl_vector.h: In instantiation of ‘std::_Vector_base<_Tp, _Alloc>::~_Vector_base() [with _Tp = std::tuple<int, int, int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int, int, int> >]’: /usr/include/c++/4.8/bits/stl_vector.h:249:15: required from ‘std::vector<_Tp, _Alloc>::vector() [with _Tp = std::tuple<int, int, int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int, int, int> >]’ user.cpp:13:42: required from here /usr/include/c++/4.8/bits/stl_vector.h:161:9: error: invalid use of incomplete type ‘class std::tuple<int, int, int, int, int>’ - this->_M_impl._M_start); } ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from user.cpp:1: