Eroare de compilare: user.cpp:17:7: error: invalid suffix "m" on integer constant user.cpp:4: error: variable ‘std::ifstream f’ has initializer but incomplete type user.cpp:5: error: variable ‘std::ofstream g’ has initializer but incomplete type user.cpp:8: error: expected unqualified-id before ‘void’ user.cpp:15: error: ‘j’ has not been declared user.cpp:15: error: ISO C++ forbids declaration of ‘recu’ with no type user.cpp: In function ‘int recu(int, int)’: user.cpp:20: error: ‘j’ was not declared in this scope user.cpp:22: error: ‘sum’ was not declared in this scope user.cpp:16: warning: unused variable ‘dx’ user.cpp:16: warning: unused variable ‘dy’ user.cpp:35: warning: no return statement in function returning non-void