Compilare: user.cpp: In function ‘int main()’: user.cpp:23:15: warning: unused variable ‘dest’ [-Wunused-variable] long long dest; ^ user.cpp:24:9: warning: unused variable ‘st’ [-Wunused-variable] int st, dr, mij; ^ user.cpp:24:13: warning: unused variable ‘dr’ [-Wunused-variable] int st, dr, mij; ^ user.cpp:24:17: warning: unused variable ‘mij’ [-Wunused-variable] int st, dr, mij; ^