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Compile: FAIL

drambliai.cpp: In function ‘int main()’: drambliai.cpp:15:21: error: use of ‘auto’ in lambda parameter declaration only available with ‘-std=c++14’ or ‘-std=gnu++14’ 15 | sort(a, a+N, [](auto &left, auto &right) {return left.first < right.first;}); | ^~~~ drambliai.cpp:15:33: error: use of ‘auto’ in lambda parameter declaration only available with ‘-std=c++14’ or ‘-std=gnu++14’ 15 | sort(a, a+N, [](auto &left, auto &right) {return left.first < right.first;}); | ^~~~ drambliai.cpp: In lambda function: drambliai.cpp:15:59: error: request for member ‘first’ in ‘left’, which is of non-class type ‘int’ 15 | sort(a, a+N, [](auto &left, auto &right) {return left.first < right.first;}); | ^~~~~ drambliai.cpp:15:73: error: request for member ‘first’ in ‘right’, which is of non-class type ‘int’ 15 | sort(a, a+N, [](auto &left, auto &right) {return left.first < right.first;}); | ^~~~~ In file included from /usr/include/c++/11/bits/stl_algobase.h:71, from /usr/include/c++/11/bits/char_traits.h:39, from /usr/include/c++/11/ios:40, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from drambliai.cpp:1: /usr/include/c++/11/bits/predefined_ops.h: In instantiation of ‘bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = std::pair<int, int>*; _Iterator2 = std::pair<int, int>*; _Compare = main()::<lambda(int&, int&)>]’: /usr/include/c++/11/bits/stl_algo.h:1826:14: required from ‘void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:1866:25: required from ‘void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:1957:31: required from ‘void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:4875:18: required from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = std::pair<int, int>*; _Compare = main()::<lambda(int&, int&)>]’ drambliai.cpp:15:9: required from here /usr/include/c++/11/bits/predefined_ops.h:158:30: error: no match for call to ‘(main()::<lambda(int&, int&)>) (std::pair<int, int>&, std::pair<int, int>&)’ 158 | { return bool(_M_comp(*__it1, *__it2)); } | ~~~~~~~^~~~~~~~~~~~~~~~ drambliai.cpp:15:18: note: candidate: ‘main()::<lambda(int&, int&)>’ 15 | sort(a, a+N, [](auto &left, auto &right) {return left.first < right.first;}); | ^ drambliai.cpp:15:18: note: no known conversion for argument 1 from ‘std::pair<int, int>’ to ‘int&’ In file included from /usr/include/c++/11/bits/stl_algobase.h:71, from /usr/include/c++/11/bits/char_traits.h:39, from /usr/include/c++/11/ios:40, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from drambliai.cpp:1: /usr/include/c++/11/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 = std::pair<int, int>*; _Compare = main()::<lambda(int&, int&)>]’: /usr/include/c++/11/bits/stl_algo.h:1806:20: required from ‘void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Val_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:1834:36: required from ‘void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:1866:25: required from ‘void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:1957:31: required from ‘void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:4875:18: required from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = std::pair<int, int>*; _Compare = main()::<lambda(int&, int&)>]’ drambliai.cpp:15:9: required from here /usr/include/c++/11/bits/predefined_ops.h:240:30: error: no match for call to ‘(main()::<lambda(int&, int&)>) (std::pair<int, int>&, std::pair<int, int>&)’ 240 | { return bool(_M_comp(__val, *__it)); } | ~~~~~~~^~~~~~~~~~~~~~ drambliai.cpp:15:18: note: candidate: ‘main()::<lambda(int&, int&)>’ 15 | sort(a, a+N, [](auto &left, auto &right) {return left.first < right.first;}); | ^ drambliai.cpp:15:18: note: no known conversion for argument 1 from ‘std::pair<int, int>’ to ‘int&’ In file included from /usr/include/c++/11/bits/stl_algobase.h:71, from /usr/include/c++/11/bits/char_traits.h:39, from /usr/include/c++/11/ios:40, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from drambliai.cpp:1: /usr/include/c++/11/bits/predefined_ops.h: In instantiation of ‘bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = std::pair<int, int>*; _Value = std::pair<int, int>; _Compare = main()::<lambda(int&, int&)>]’: /usr/include/c++/11/bits/stl_heap.h:139:48: required from ‘void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = std::pair<int, int>*; _Distance = long int; _Tp = std::pair<int, int>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_heap.h:246:23: required from ‘void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Distance = long int; _Tp = std::pair<int, int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_heap.h:355:22: required from ‘void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:1646:23: required from ‘void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:1917:25: required from ‘void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:1933:27: required from ‘void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:1954:25: required from ‘void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<int, int>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]’ /usr/include/c++/11/bits/stl_algo.h:4875:18: required from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = std::pair<int, int>*; _Compare = main()::<lambda(int&, int&)>]’ drambliai.cpp:15:9: required from here /usr/include/c++/11/bits/predefined_ops.h:196:30: error: no match for call to ‘(main()::<lambda(int&, int&)>) (std::pair<int, int>&, std::pair<int, int>&)’ 196 | { return bool(_M_comp(*__it, __val)); } | ~~~~~~~^~~~~~~~~~~~~~ drambliai.cpp:15:18: note: candidate: ‘main()::<lambda(int&, int&)>’ 15 | sort(a, a+N, [](auto &left, auto &right) {return left.first < right.first;}); | ^ drambliai.cpp:15:18: note: no known conversion for argument 1 from ‘std::pair<int, int>’ to ‘int&’

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