Eroare de compilare: main.cpp: In function 'int main()': main.cpp:28:21: error: 'c' was not declared in this scope 28 | cin >> x >> y >> c; | ^ main.cpp:29:26: error: no matching function for call to 'std::vector<std::pair<int, int> >::push_back(<brace-enclosed initializer list>)' 29 | G[x].push_back({ y,c }); | ^ In file included from /usr/include/c++/10/vector:67, from main.cpp:15: /usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]' 1187 | push_back(const value_type& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1187:35: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<int, int>&'} 1187 | push_back(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]' 1203 | push_back(value_type&& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1203:30: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<std::pair<int, int> >::value_type&&' {aka 'std::pair<int, int>&&'} 1203 | push_back(value_type&& __x) | ~~~~~~~~~~~~~^~~ main.cpp:30:26: error: no matching function for call to 'std::vector<std::pair<int, int> >::push_back(<brace-enclosed initializer list>)' 30 | G[y].push_back({ x,c }); | ^ In file included from /usr/include/c++/10/vector:67, from main.cpp:15: /usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]' 1187 | push_back(const value_type& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1187:35: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<int, int>&'} 1187 | push_back(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]' 1203 | push_back(value_type&& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1203:30: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<std::pair<int, int> >::value_type&&' {aka 'std::pair<int, int>&&'} 1203 | push_back(value_type&& __x) | ~~~~~~~~~~~~~^~~ Non zero exit status: 1