Compilare: user.cpp: In function ‘int vectnum(int, int*)’: user.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:33:23: warning: unused variable ‘ns1’ [-Wunused-variable] int s1[10],s2[10],ns1,ns2,pp; ^ user.cpp:33:27: warning: unused variable ‘ns2’ [-Wunused-variable] int s1[10],s2[10],ns1,ns2,pp; ^ user.cpp:33:31: warning: unused variable ‘pp’ [-Wunused-variable] int s1[10],s2[10],ns1,ns2,pp; ^