Compilare: user.cpp: In function ‘int main()’: user.cpp:13:21: warning: right operand of comma operator has no effect [-Wunused-value] in >> v2[0],v2[1],v2[2]; ^ user.cpp:13:27: warning: right operand of comma operator has no effect [-Wunused-value] in >> v2[0],v2[1],v2[2]; ^ user.cpp:10:18: warning: unused variable ‘m’ [-Wunused-variable] int n , m , i , timp , j; ^ user.cpp:11:5: warning: ‘n’ is used uninitialized in this function [-Wuninitialized] for (i = 0; i<n ; i++) in >> v[i]; ^