Eroare de compilare: main.cpp:3:13: error: variable 'std::ifstream cin' has initializer but incomplete type 3 | ifstream cin("adunare.in"); ofstream cout("adunare.out"); | ^ main.cpp:3:42: error: variable 'std::ofstream cout' has initializer but incomplete type 3 | ifstream cin("adunare.in"); ofstream cout("adunare.out"); | ^ main.cpp: In function 'int main()': main.cpp:7:9: error: reference to 'cin' is ambiguous 7 | cin>>a>>b; cout<<a+b; | ^~~ 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:3:10: note: '<typeprefixerror>cin' 3 | ifstream cin("adunare.in"); ofstream cout("adunare.out"); | ^~~ main.cpp:7:20: error: reference to 'cout' is ambiguous 7 | cin>>a>>b; cout<<a+b; | ^~~~ /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:3:38: note: '<typeprefixerror>cout' 3 | ifstream cin("adunare.in"); ofstream cout("adunare.out"); | ^~~~ main.cpp:8:9: error: reference to 'cin' is ambiguous 8 | cin.close(); cout.close(); | ^~~ /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:3:10: note: '<typeprefixerror>cin' 3 | ifstream cin("adunare.in"); ofstream cout("adunare.out"); | ^~~ main.cpp:8:22: error: reference to 'cout' is ambiguous 8 | cin.close(); cout.close(); | ^~~~ /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:3:38: note: '<typeprefixerror>cout' 3 | ifstream cin("adunare.in"); ofstream cout("adunare.out"); | ^~~~ Non zero exit status: 1