Compilare: user.cpp: In function ‘int main()’: user.cpp:7:33: warning: unused variable ‘arie’ [-Wunused-variable] int x1,x2,x3,x4,y1,y2,y3,y4,arie,arie1,arie2,arie3,q; ^ user.cpp:7:38: warning: unused variable ‘arie1’ [-Wunused-variable] int x1,x2,x3,x4,y1,y2,y3,y4,arie,arie1,arie2,arie3,q; ^ user.cpp:7:44: warning: unused variable ‘arie2’ [-Wunused-variable] int x1,x2,x3,x4,y1,y2,y3,y4,arie,arie1,arie2,arie3,q; ^ user.cpp:7:50: warning: unused variable ‘arie3’ [-Wunused-variable] int x1,x2,x3,x4,y1,y2,y3,y4,arie,arie1,arie2,arie3,q; ^