answer.code:14:1: error: ‘bitset’ does not name a type
   14 | bitset <N> dp[N];
      | ^~~~~~
answer.code: In function ‘int main()’:
answer.code:77:3: error: ‘dp’ was not declared in this scope; did you mean ‘p’?
   77 |   dp[(int) cand.size()][0] = 1;
      |   ^~
      |   p
answer.code:22:35: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   22 |   for (auto &[u, v] : edges) scanf("%d %d", &u, &v);
      |                              ~~~~~^~~~~~~~~~~~~~~~~