Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:4:13: error: reference to ‘cin’ is ambiguous #define fin cin ^ user.cpp:25:5: note: in expansion of macro ‘fin’ fin >> length; ^ user.cpp:4:13: note: candidates are: std::ifstream cin #define fin cin ^ user.cpp:9:10: note: in expansion of macro ‘fin’ ifstream fin("magic2.in"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ user.cpp:4:13: error: reference to ‘cin’ is ambiguous #define fin cin ^ user.cpp:28:13: note: in expansion of macro ‘fin’ fin >> matrix[l][c]; ^ user.cpp:4:13: note: candidates are: std::ifstream cin #define fin cin ^ user.cpp:9:10: note: in expansion of macro ‘fin’ ifstream fin("magic2.in"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ user.cpp:42:17: error: reference to ‘cout’ is ambiguous cout << "nu este magic"<<'\n'; ^ user.cpp:5:14: note: candidates are: std::ofstream cout #define fout cout ^ user.cpp:10:10: note: in expansion of macro ‘fout’ ofstream fout("magic2.out"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^ user.cpp:46:13: error: reference to ‘cout’ is ambiguous cout << l + 1 << ' '; ^ user.cpp:5:14: note: candidates are: std::ofstream cout