Eroare de compilare: user.cpp: In function ‘void bfs()’: user.cpp:26:27: error: request for member ‘size’ in ‘adj’, which is of non-class type ‘std::vector<int> [500010]’ for(int i=0;i<adj.size();i++) ^ user.cpp:32:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<adj[v].size()) ^ user.cpp:32:40: error: expected ‘;’ before ‘)’ token for(int i=0;i<adj[v].size()) ^ user.cpp:42:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<adj[v].size();i++) ^ user.cpp:48:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<adj[w].size();i++) ^ user.cpp:50:40: error: expected ‘]’ before ‘)’ token if(vis[adj[w][j]==0) ^ user.cpp: In function ‘int main()’: user.cpp:64:10: error: ‘n’ was not declared in this scope f >> n >> m >> start; ^ user.cpp:64:15: error: ‘m’ was not declared in this scope f >> n >> m >> start; ^