Compilare: user.cpp: In function ‘int main()’: user.cpp:9:8: warning: unused variable ‘aux’ [-Wunused-variable] int ok,aux,j,k,i,x1,q,mx2,x2,x3,x4,y1,y2,y3,y4; ^ user.cpp:9:12: warning: variable ‘j’ set but not used [-Wunused-but-set-variable] int ok,aux,j,k,i,x1,q,mx2,x2,x3,x4,y1,y2,y3,y4; ^ user.cpp:9:14: warning: unused variable ‘k’ [-Wunused-variable] int ok,aux,j,k,i,x1,q,mx2,x2,x3,x4,y1,y2,y3,y4; ^ user.cpp:9:23: warning: unused variable ‘mx2’ [-Wunused-variable] int ok,aux,j,k,i,x1,q,mx2,x2,x3,x4,y1,y2,y3,y4; ^