Compilare: user.cpp: In function ‘int main()’: user.cpp:7:9: warning: unused variable ‘x’ [-Wunused-variable] int x; ^ user.cpp:8:37: warning: unused variable ‘v2’ [-Wunused-variable] static int ex,tax,v[1001][1001],v2[1001][1001],v3[1001][1001],n,m,s,w,e,no; ^ user.cpp:8:52: warning: unused variable ‘v3’ [-Wunused-variable] static int ex,tax,v[1001][1001],v2[1001][1001],v3[1001][1001],n,m,s,w,e,no; ^