Eroare de compilare: main.cpp:5:14: error: variable 'std::ifstream cin' has initializer but incomplete type ifstream cin ("aib.in"); ^ main.cpp:6:15: error: variable 'std::ofstream cout' has initializer but incomplete type ofstream cout ("aib.out"); ^ main.cpp: In function 'int main()': main.cpp:58:5: error: reference to 'cin' is ambiguous cin >> n >> m; ^~~ main.cpp:5:10: note: candidates are: <typeprefixerror>cin ifstream cin ("aib.in"); ^~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:62:9: error: reference to 'cin' is ambiguous cin >> a; ^~~ main.cpp:5:10: note: candidates are: <typeprefixerror>cin ifstream cin ("aib.in"); ^~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:68:9: error: reference to 'cin' is ambiguous cin >> op; ^~~ main.cpp:5:10: note: candidates are: <typeprefixerror>cin ifstream cin ("aib.in"); ^~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:71:13: error: reference to 'cin' is ambiguous cin >> pos >> val; ^~~ main.cpp:5:10: note: candidates are: <typeprefixerror>cin ifstream cin ("aib.in"); ^~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:76:13: error: reference to 'cin' is ambiguous cin >> x >> y; ^~~ Non zero exit status: 1