Eroare de compilare: user.cpp: In function ‘void citire()’: user.cpp:18:40: error: no matching function for call to ‘std::vector<std::pair<int, std::pair<int, int> > >::push_back(std::pair<int, int>)’ g[n1].push_back(make_pair(n2,c)); ^ user.cpp:18:40: note: candidates are: In file included from /usr/include/c++/4.8/vector:64:0, from user.cpp:3: /usr/include/c++/4.8/bits/stl_vector.h:901:7: note: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, std::pair<int, int> > >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, std::pair<int, int> >] push_back(const value_type& __x) ^ /usr/include/c++/4.8/bits/stl_vector.h:901:7: note: no known conversion for argument 1 from ‘std::pair<int, int>’ to ‘const value_type& {aka const std::pair<int, std::pair<int, int> >&}’ /usr/include/c++/4.8/bits/stl_vector.h:919:7: note: void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<int, std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, std::pair<int, int> > >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, std::pair<int, int> >] push_back(value_type&& __x) ^ /usr/include/c++/4.8/bits/stl_vector.h:919:7: note: no known conversion for argument 1 from ‘std::pair<int, int>’ to ‘std::vector<std::pair<int, std::pair<int, int> > >::value_type&& {aka std::pair<int, std::pair<int, int> >&&}’ user.cpp:19:40: error: no matching function for call to ‘std::vector<std::pair<int, std::pair<int, int> > >::push_back(std::pair<int, int>)’ g[n2].push_back(make_pair(n1,c)); ^ user.cpp:19:40: note: candidates are: In file included from /usr/include/c++/4.8/vector:64:0, from user.cpp:3: /usr/include/c++/4.8/bits/stl_vector.h:901:7: note: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, std::pair<int, int> > >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, std::pair<int, int> >] push_back(const value_type& __x) ^ /usr/include/c++/4.8/bits/stl_vector.h:901:7: note: no known conversion for argument 1 from ‘std::pair<int, int>’ to ‘const value_type& {aka const std::pair<int, std::pair<int, int> >&}’ /usr/include/c++/4.8/bits/stl_vector.h:919:7: note: void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<int, std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, std::pair<int, int> > >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, std::pair<int, int> >] push_back(value_type&& __x) ^ /usr/include/c++/4.8/bits/stl_vector.h:919:7: note: no known conversion for argument 1 from ‘std::pair<int, int>’ to ‘std::vector<std::pair<int, std::pair<int, int> > >::value_type&& {aka std::pair<int, std::pair<int, int> >&&}’ user.cpp: In function ‘void solve()’: user.cpp:25:66: error: conversion from ‘std::vector<std::pair<int, std::pair<int, int> > >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<int, std::pair<int, int> >*, std::vector<std::pair<int, std::pair<int, int> > > >}’ to non-scalar type ‘std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > >}’ requested for (vector <pair < int ,int > > :: iterator it = g[1].begin();it!=g[1].end();++it) ^ user.cpp:25:70: error: no match for ‘operator!=’ (operand types are ‘std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > >}’ and ‘std::vector<std::pair<int, std::pair<int, int> > >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<int, std::pair<int, int> >*, std::vector<std::pair<int, std::pair<int, int> > > >}’) for (vector <pair < int ,int > > :: iterator it = g[1].begin();it!=g[1].end();++it) ^ user.cpp:25:70: note: candidates are: In file included from /usr/include/c++/4.8/iosfwd:40:0, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from user.cpp:1: /usr/include/c++/4.8/bits/postypes.h:221:5: note: template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&) operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) ^ /usr/include/c++/4.8/bits/postypes.h:221:5: note: template argument deduction/substitution failed: user.cpp:25:81: note: ‘std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > >}’ is not derived from ‘const std::fpos<_StateT>’ for (vector <pair < int ,int > > :: iterator it = g[1].begin();it!=g[1].end();++it) ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0,