Compilare: user.cpp: In function ‘int main()’: user.cpp:15:21: warning: unused variable ‘ok’ [-Wunused-variable] int n,i,r=0,aux,ok=0,e=0,elim,rot,j,l,lmax=-1; ^ user.cpp:15:41: warning: unused variable ‘l’ [-Wunused-variable] int n,i,r=0,aux,ok=0,e=0,elim,rot,j,l,lmax=-1; ^ user.cpp:15:43: warning: unused variable ‘lmax’ [-Wunused-variable] int n,i,r=0,aux,ok=0,e=0,elim,rot,j,l,lmax=-1; ^