Eroare de compilare: main.cpp:18:45: error: 'i1nt' was not declared in this scope; did you mean 'int'? 18 | bool functie_sort(pair<int,int>a, pair<int, i1nt> b) | ^~~~ | int main.cpp:18:49: error: template argument 2 is invalid 18 | bool functie_sort(pair<int,int>a, pair<int, i1nt> b) | ^ main.cpp: In function 'bool functie_sort(std::pair<int, int>, int)': main.cpp:20:23: error: request for member 'second' in 'b', which is of non-class type 'int' 20 | return a.second<b.second; | ^~~~~~ In file included from /usr/include/c++/10/bits/stl_algobase.h:71, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from main.cpp:10: /usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Iterator2 = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = bool (*)(std::pair<int, int>, int)]': /usr/include/c++/10/bits/stl_algo.h:82:17: required from 'void std::__move_median_to_first(_Iterator, _Iterator, _Iterator, _Iterator, _Compare) [with _Iterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:1924:34: required from '_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:1958:38: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:1974:25: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:4894:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = bool (*)(std::pair<int, int>, int)]' main.cpp:125:51: required from here /usr/include/c++/10/bits/predefined_ops.h:156:30: error: cannot convert 'std::pair<int, int>' to 'int' in argument passing 156 | { return bool(_M_comp(*__it1, *__it2)); } | ~~~~~~~^~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Val_comp_iter<_Compare>::operator()(_Value&, _Iterator) [with _Value = std::pair<int, int>; _Iterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = bool (*)(std::pair<int, int>, int)]': /usr/include/c++/10/bits/stl_algo.h:1826:20: required from 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Val_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:1854:36: required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:1886:25: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:1977:31: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:4894:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = bool (*)(std::pair<int, int>, int)]' main.cpp:125:51: required from here /usr/include/c++/10/bits/predefined_ops.h:238:23: error: cannot convert 'std::pair<int, int>' to 'int' in argument passing 238 | { return bool(_M_comp(__val, *__it)); } | ~~~~~~~^~~~~~~~~~~~~~ /usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Value = std::pair<int, int>; _Compare = bool (*)(std::pair<int, int>, int)]': /usr/include/c++/10/bits/stl_heap.h:139:48: required from 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Distance = long int; _Tp = std::pair<int, int>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_heap.h:246:23: required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Distance = long int; _Tp = std::pair<int, int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_heap.h:355:22: required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:1666:23: required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:1937:25: required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:1953:27: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:1974:25: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>, int)>]' /usr/include/c++/10/bits/stl_algo.h:4894:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = bool (*)(std::pair<int, int>, int)]' main.cpp:125:51: required from here Non zero exit status: 1