Compilare: user.cpp: In function ‘int main()’: user.cpp:11:15: warning: unused variable ‘k’ [-Wunused-variable] int n,i,j,k,l,d,t,st,dr,med,x,ind,w,nma=-1; ^ user.cpp:11:17: warning: unused variable ‘l’ [-Wunused-variable] int n,i,j,k,l,d,t,st,dr,med,x,ind,w,nma=-1; ^ user.cpp:11:19: warning: unused variable ‘d’ [-Wunused-variable] int n,i,j,k,l,d,t,st,dr,med,x,ind,w,nma=-1; ^ user.cpp:55:20: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<ind<<'\n'; ^