Compilare: user.cpp: In function ‘void sterge(int, int, int)’: user.cpp:30:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<lista[nod].size(); j++) ^ user.cpp: In function ‘void DFS(int)’: user.cpp:50:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<coada.size()-1; i++) ^ user.cpp:54:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<lista[baza].size(); i++) ^