Compilare: user.cpp:12:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘void cautbin()’: user.cpp:43:17: warning: unused variable ‘s1’ [-Wunused-variable] int i,j,mij,s1=0,s2=0,ok=0; ^ user.cpp:43:22: warning: unused variable ‘s2’ [-Wunused-variable] int i,j,mij,s1=0,s2=0,ok=0; ^