Eroare de compilare: user.cpp:56:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:31: error: 'ifstream' was not declared in this scope user.cpp:31: error: expected `;' before 'in' user.cpp:32: error: 'ofstream' was not declared in this scope user.cpp:32: error: expected `;' before 'out' user.cpp:33: error: 'in' was not declared in this scope user.cpp:37: error: 'strlen' was not declared in this scope user.cpp:50: error: 'out' was not declared in this scope user.cpp:50: error: 'endl' was not declared in this scope user.cpp:52: error: 'out' was not declared in this scope