Compilare: user.cpp: In function ‘int main()’: user.cpp:16: warning: unused variable ‘pi’ user.cpp:16: warning: unused variable ‘pj’ user.cpp:16: warning: unused variable ‘i’ user.cpp:16: warning: unused variable ‘j’ user.cpp:16: warning: unused variable ‘t’ user.cpp:16: warning: unused variable ‘l’ user.cpp:16: warning: unused variable ‘ll’ user.cpp:16: warning: unused variable ‘aux’ user.cpp:16: warning: unused variable ‘nrdiez’ user.cpp:16: warning: unused variable ‘mn’ user.cpp:16: warning: unused variable ‘ok’