Compilare: user.cpp: In function ‘int citire()’: user.cpp:18: warning: no return statement in function returning non-void user.cpp: In function ‘int scriere(int)’: user.cpp:33: warning: no return statement in function returning non-void user.cpp: In function ‘int main()’: user.cpp:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result