Compilare: user.cpp: In instantiation of ‘mat_var<T>::mat_var(int, int) [with T = int]’: user.cpp:65:32: required from here user.cpp:13:20: warning: ‘mat_var<int>::max_linsz’ will be initialized after [-Wreorder] const int nr_lin, max_linsz; ^ user.cpp:12:14: warning: ‘std::vector<int> mat_var<int>::linsz’ [-Wreorder] vector<int> linsz; ^ user.cpp:16:2: warning: when initialized here [-Wreorder] mat_var(const int n, const int m): ^