Compilare: user.cpp:3:18: warning: extra tokens at end of #include directive [enabled by default] #include <math.h>; ^ user.cpp: In function ‘int main()’: user.cpp:7:6: warning: unused variable ‘v’ [-Wunused-variable] {int v[100],i,j,n; ^ user.cpp:7:13: warning: unused variable ‘i’ [-Wunused-variable] {int v[100],i,j,n; ^ user.cpp:7:15: warning: unused variable ‘j’ [-Wunused-variable] {int v[100],i,j,n; ^ user.cpp:7:17: warning: unused variable ‘n’ [-Wunused-variable] {int v[100],i,j,n; ^