Compilare: user.cpp: In function ‘int main()’: user.cpp:34:9: warning: unused variable ‘s’ [-Wunused-variable] int s=0; ^ user.cpp:35:9: warning: unused variable ‘dii’ [-Wunused-variable] int dii=t[1].first; ^ user.cpp:36:9: warning: unused variable ‘dij’ [-Wunused-variable] int dij=0; ^ user.cpp:37:9: warning: unused variable ‘dsi’ [-Wunused-variable] int dsi=t[1].first; ^ user.cpp:38:9: warning: unused variable ‘dsj’ [-Wunused-variable] int dsj=t[1].second; ^