Compilare: user.cpp: In function ‘void elimina_muchia(int, int)’: user.cpp:30:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < G[nod].size() ; i++)///il cautam pe "v" in vecinii lui "nod" ^ user.cpp:41:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < G[v].size() ; i++)///il cautam pe "nod" in vecinii lui "v" ^ user.cpp:29:9: warning: variable ‘pos’ set but not used [-Wunused-but-set-variable] int pos = -1, i; ^ user.cpp: In function ‘void do_alg(int)’: user.cpp:71:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < impar.size() ; i++) ^