Compilare: user.cpp: In function ‘int main()’: user.cpp:8:7: warning: unused variable ‘j’ [-Wunused-variable] int i,j,k,n,nr=1,sortat,aux,x,y; ^ user.cpp:8:9: warning: unused variable ‘k’ [-Wunused-variable] int i,j,k,n,nr=1,sortat,aux,x,y; ^ user.cpp:8:18: warning: unused variable ‘sortat’ [-Wunused-variable] int i,j,k,n,nr=1,sortat,aux,x,y; ^ user.cpp:8:25: warning: unused variable ‘aux’ [-Wunused-variable] int i,j,k,n,nr=1,sortat,aux,x,y; ^