Compilare: user.cpp: In function ‘bool Kruskal(muchie*, int, int, std::list<nod>*&)’: user.cpp:171:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp:146:55: warning: ‘maximul.muchie::y’ may be used uninitialized in this function [-Wmaybe-uninitialized] list <nod> :: iterator iit=l[maximul.y].begin(); ^ user.cpp:149:13: warning: ‘maximul.muchie::x’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(iit->x==maximul.x) ^