Eroare de compilare: main.cpp: In function 'int main()': main.cpp:100:14: error: 'luate' was not declared in this scope {luate[++cnt]=v[ind1].uman;ind1--;} ^~~~~ main.cpp:100:22: error: 'cnt' was not declared in this scope {luate[++cnt]=v[ind1].uman;ind1--;} ^~~ main.cpp:108:19: error: 'luate' was not declared in this scope nth_element(luate+1,luate+cnt-ind1,luate+cnt+1); ^~~~~ main.cpp:108:33: error: 'cnt' was not declared in this scope nth_element(luate+1,luate+cnt-ind1,luate+cnt+1); ^~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:71:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_less_iter::operator()(_Iterator1, _Iterator2) const [with _Iterator1 = mazan*; _Iterator2 = mazan*]': /usr/include/c++/6/bits/stl_algo.h:1844:14: required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = mazan*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/6/bits/stl_algo.h:1882:25: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = mazan*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/6/bits/stl_algo.h:1968:31: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = mazan*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/6/bits/stl_algo.h:4707:18: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = mazan*]' main.cpp:95:20: required from here /usr/include/c++/6/bits/predefined_ops.h:43:23: error: no match for 'operator<' (operand types are 'mazan' and 'mazan') { return *__it1 < *__it2; } ~~~~~~~^~~~~~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:67:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/bits/stl_iterator.h:885:5: note: candidate: template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&) operator<(const __normal_iterator<_IteratorL, _Container>& __lhs, ^~~~~~~~ /usr/include/c++/6/bits/stl_iterator.h:885:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/6/bits/stl_algobase.h:71:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/bits/predefined_ops.h:43:23: note: 'mazan' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>' { return *__it1 < *__it2; } ~~~~~~~^~~~~~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:67:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, Non zero exit status: 1