game.cpp:5:1: error: 'vector' does not name a type
5 | vector<int> adj[N];
| ^~~~~~
game.cpp: In function 'void dfs(int)':
game.cpp:8:17: error: 'adj' was not declared in this scope
8 | for (auto u:adj[node]){
| ^~~
game.cpp: In function 'void init(int, int)':
game.cpp:18:7: error: 'nm' was not declared in this scope; did you mean 'nn'?
18 | n=nm;kk;
| ^~
| nn
game.cpp:18:10: warning: statement has no effect [-Wunused-value]
18 | n=nm;kk;
| ^~
game.cpp: In function 'int add_teleporter(int, int)':
game.cpp:22:5: error: 'adj' was not declared in this scope
22 | adj[u].pb(v);
| ^~~
game.cpp:23:9: error: 'b' was not declared in this scope
23 | adj[b].pb(u);
| ^