Eroare de compilare: user.cpp: In function ‘void rezolva(int, int)’: user.cpp:8: warning: unused variable ‘ok’ user.cpp: In function ‘int main()’: user.cpp:20: error: ‘ifstream’ was not declared in this scope user.cpp:20: error: expected ‘;’ before ‘f’ user.cpp:21: error: ‘ofstream’ was not declared in this scope user.cpp:21: error: expected ‘;’ before ‘g’ user.cpp:22: error: ‘f’ was not declared in this scope user.cpp:47: error: ‘g’ was not declared in this scope