this is my code i have seen various solution in which they have inserted adj[x].push_back(y);
in this way only but it is given that it is undirected so we sholud insert in both ways please tell me what is wrong with my code
this is my code i have seen various solution in which they have inserted adj[x].push_back(y);
in this way only but it is given that it is undirected so we sholud insert in both ways please tell me what is wrong with my code