Eroare de compilare: main.cpp:7:13: error: variable 'std::ifstream cin' has initializer but incomplete type 7 | ifstream cin("bellmanford.in"); | ^ main.cpp:8:14: error: variable 'std::ofstream cout' has initializer but incomplete type 8 | ofstream cout("bellmanford.out"); | ^ main.cpp: In function 'int bellmanfordBFS(int)': main.cpp:27:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for (int i = 0; i < G[x].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:41:5: error: reference to 'cin' is ambiguous 41 | cin >> n >> m; | ^~~ In file included from main.cpp:1: /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:7:10: note: '<typeprefixerror>cin' 7 | ifstream cin("bellmanford.in"); | ^~~ main.cpp:44:9: error: reference to 'cin' is ambiguous 44 | cin >> x >> y >> c; | ^~~ /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:7:10: note: '<typeprefixerror>cin' 7 | ifstream cin("bellmanford.in"); | ^~~ main.cpp:56:13: error: reference to 'cout' is ambiguous 56 | cout << d[i] << ' '; | ^~~~ /usr/include/c++/12.2.1/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:8:10: note: '<typeprefixerror>cout' 8 | ofstream cout("bellmanford.out"); | ^~~~ Non zero exit status: 1