Compilare: main.cpp: In constructor 'dsu::dsu(int)': main.cpp:12:18: warning: 'dsu::p' will be initialized after [-Wreorder] 12 | vector <int> p; | ^ main.cpp:11:12: warning: 'int dsu::cost' [-Wreorder] 11 | int n, cost; | ^~~~ main.cpp:13:5: warning: when initialized here [-Wreorder] 13 | dsu (int _n) : n(_n), p(n + 1), cost(0) { iota(p.begin(), p.end(), 0); } | ^~~