Compilare: user.cpp: In function ‘void BFS(int)’: user.cpp:36:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[s].size();++i) cd.push(v[s][i]); ^ user.cpp: In function ‘bool verif(int)’: user.cpp:58:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[crt].size();++j) if(viz[v[crt][j]] == false) cd.push(v[crt][j]); ^ user.cpp: In function ‘int main()’: user.cpp:86:11: warning: unused variable ‘a’ [-Wunused-variable] int i,a; ^ user.cpp: In function ‘bool verif(int)’: user.cpp:65:14: warning: ‘k’ is used uninitialized in this function [-Wuninitialized] return q>k; ^ user.cpp: In function ‘void CB()’: user.cpp:81:8: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<mij<<"\n"; ^