Eroare de compilare: user.cpp: In function ‘void TrickyRead()’: user.cpp:77:25: error: no match for ‘operator=’ (operand types are ‘__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> > >::value_type {aka std::pair<int, int>}’ and ‘muchie’) G[a][grad[b]++] = make_muchie(c,b); ^ user.cpp:77:25: note: candidates are: 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/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:158:7: note: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(const std::pair<_T1, _T2>&) [with _T1 = int; _T2 = int] operator=(const pair& __p) ^ /usr/include/c++/4.8/bits/stl_pair.h:158:7: note: no known conversion for argument 1 from ‘muchie’ to ‘const std::pair<int, int>&’ /usr/include/c++/4.8/bits/stl_pair.h:166:7: note: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(std::pair<_T1, _T2>&&) [with _T1 = int; _T2 = int] operator=(pair&& __p) ^ /usr/include/c++/4.8/bits/stl_pair.h:166:7: note: no known conversion for argument 1 from ‘muchie’ to ‘std::pair<int, int>&&’ /usr/include/c++/4.8/bits/stl_pair.h:177:2: note: template<class _U1, class _U2> std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int] operator=(const pair<_U1, _U2>& __p) ^ /usr/include/c++/4.8/bits/stl_pair.h:177:2: note: template argument deduction/substitution failed: user.cpp:77:25: note: ‘muchie’ is not derived from ‘const std::pair<_T1, _T2>’ G[a][grad[b]++] = make_muchie(c,b); ^ 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/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:186:2: note: template<class _U1, class _U2> std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int] operator=(pair<_U1, _U2>&& __p) ^ /usr/include/c++/4.8/bits/stl_pair.h:186:2: note: template argument deduction/substitution failed: user.cpp:77:25: note: ‘muchie’ is not derived from ‘std::pair<_T1, _T2>’ G[a][grad[b]++] = make_muchie(c,b); ^ user.cpp:78:25: error: no match for ‘operator=’ (operand types are ‘__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> > >::value_type {aka std::pair<int, int>}’ and ‘muchie’) G[b][grad[a]++] = make_muchie(-c,b); ^ user.cpp:78:25: note: candidates are: 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/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:158:7: note: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(const std::pair<_T1, _T2>&) [with _T1 = int; _T2 = int]