Compilare: main.cpp: In function 'void bfs(int, int*)': main.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i=0;i<v[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:55:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 55 | for(int i=1;i<=n;i++) | ^~~ main.cpp:58:8: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 58 | fout<<k<<"\n"; | ^~~~