Compilare: user.cpp: In function ‘int main()’: user.cpp:108:11: warning: variable ‘bottom’ set but not used [-Wunused-but-set-variable] int bottom, outside; ^ user.cpp:108:19: warning: variable ‘outside’ set but not used [-Wunused-but-set-variable] int bottom, outside; ^ user.cpp:111:29: warning: variable ‘T’ set but not used [-Wunused-but-set-variable] int T; ^ user.cpp:101:26: warning: variable ‘top’ set but not used [-Wunused-but-set-variable] int inside, b1, b2, top; ^