Compilare: user.cpp: In function ‘int main()’: user.cpp:86:20: warning: variable ‘mu’ set but not used [-Wunused-but-set-variable] muchie mu; ^ user.cpp:59:27: warning: unused variable ‘j’ [-Wunused-variable] int n,m,i,ma,costot=0,j,arbtemp,x,y,cost; ^ user.cpp:59:29: warning: unused variable ‘arbtemp’ [-Wunused-variable] int n,m,i,ma,costot=0,j,arbtemp,x,y,cost; ^