Compilare: main.cpp: In function 'void Kruskal()': main.cpp:50:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (int i=0; i<M.size(); i++) { | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:26: warning: narrowing conversion of 'i' from 'int' to 'double' [-Wnarrowing] 68 | M.push_back({i, j, dist(P[i], P[j])}); | ^ main.cpp:68:29: warning: narrowing conversion of 'j' from 'int' to 'double' [-Wnarrowing] 68 | M.push_back({i, j, dist(P[i], P[j])}); | ^