Eroare de compilare: user.cpp:1:22: error: iostream.h: No such file or directory user.cpp:2:21: error: fstream.h: No such file or directory user.cpp:6: error: ‘ifstream’ does not name a type user.cpp:7: error: ‘ofstream’ does not name a type user.cpp: In function ‘void citire()’: user.cpp:29: error: ‘f’ was not declared in this scope user.cpp: In function ‘void afisare()’: user.cpp:67: error: ‘g’ was not declared in this scope user.cpp: In function ‘void back(int)’: user.cpp:94: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘void verificare2()’: user.cpp:144: error: ‘g’ was not declared in this scope user.cpp:176: error: ‘g’ was not declared in this scope user.cpp:102: warning: unused variable ‘perechi’ user.cpp: In function ‘int main()’: user.cpp:184: error: ‘g’ was not declared in this scope user.cpp:187: error: ‘g’ was not declared in this scope