Compilare: user.cpp: In function ‘int main()’: user.cpp:104:13: warning: unused variable ‘i’ [-Wunused-variable] int i = 0; ^ user.cpp:14:9: warning: variable ‘posibilitati’ set but not used [-Wunused-but-set-variable] int posibilitati[20]; ^ user.cpp:15:9: warning: unused variable ‘greseli’ [-Wunused-variable] int greseli = 1; ^ user.cpp:174:11: warning: ‘n’ may be used uninitialized in this function [-Wmaybe-uninitialized] g << n; ^