Eroare de compilare: main.cpp:32:10: error: 'p' was not declared in this scope bool cmp(p a, p b) ^ main.cpp:32:15: error: 'p' was not declared in this scope bool cmp(p a, p b) ^ main.cpp:32:18: error: expression list treated as compound expression in initializer [-fpermissive] bool cmp(p a, p b) ^ main.cpp: In function 'void solve1()': main.cpp:78:9: warning: this 'while' clause does not guard... [-Wmisleading-indentation] while(rez1.size() > 1 && det(rez1[rez1.size() - 2],rez1[rez1.size() - 1], a[i]) <= 0) ^~~~~ main.cpp:82:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'while' rez1.push_back(a[i]); ^~~~ main.cpp: In function 'void afisare()': main.cpp:118:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < rez1.size() - 1 ;i++) ~~^~~~~~~~~~~~~~~~~ main.cpp:118:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for( int i = 0; i < rez1.size() - 1 ;i++) ^~~ main.cpp:122:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for( int i = 0; i <= rez2.size() - 2 ;i++) ^~~ main.cpp:122:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i <= rez2.size() - 2 ;i++) ~~^~~~~~~~~~~~~~~~~~ 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/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = punct*; _Iterator2 = punct*; _Compare = bool]': /usr/include/c++/6/bits/stl_algo.h:1844:14: required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = punct*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool>]' /usr/include/c++/6/bits/stl_algo.h:1882:25: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = punct*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool>]' /usr/include/c++/6/bits/stl_algo.h:1968:31: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = punct*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool>]' /usr/include/c++/6/bits/stl_algo.h:4739:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = punct*; _Compare = bool]' main.cpp:68:21: required from here /usr/include/c++/6/bits/predefined_ops.h:125:18: error: expression cannot be used as a function { return bool(_M_comp(*__it1, *__it2)); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/6/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = punct*; _Value = punct; _Compare = bool]': /usr/include/c++/6/bits/stl_heap.h:129:48: required from 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = punct*; _Distance = long int; _Tp = punct; _Compare = __gnu_cxx::__ops::_Iter_comp_val<bool>]' /usr/include/c++/6/bits/stl_heap.h:230:23: required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = punct*; _Distance = long int; _Tp = punct; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool>]' /usr/include/c++/6/bits/stl_heap.h:335:22: required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = punct*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool>]' /usr/include/c++/6/bits/stl_algo.h:1669:23: required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = punct*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool>]' /usr/include/c++/6/bits/stl_algo.h:1930:25: required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = punct*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool>]' Non zero exit status: 1