Eroare de compilare: user.cpp:1:21: error: iostream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:6: error: ‘cout’ was not declared in this scope user.cpp:7: error: ‘cin’ was not declared in this scope user.cpp:14: warning: statement has no effect user.cpp:15: warning: statement has no effect user.cpp:19: warning: suggest parentheses around assignment used as truth value user.cpp:20: warning: statement has no effect user.cpp:23: warning: statement has no effect user.cpp:24: warning: statement has no effect user.cpp:25: warning: statement has no effect