answer.code:41:20: error: ‘vector’ was not declared in this scope
   41 | unordered_map<int, vector<int> > pr, g;
      |                    ^~~~~~
answer.code:6:1: note: ‘std::vector’ is defined in header ‘<vector>’; did you forget to ‘#include <vector>’?
    5 | #include <unordered_map>
  +++ |+#include <vector>
    6 | 
answer.code:41:30: error: template argument 2 is invalid
   41 | unordered_map<int, vector<int> > pr, g;
      |                              ^
answer.code:41:30: error: template argument 5 is invalid
answer.code:41:32: error: expected unqualified-id before ‘>’ token
   41 | unordered_map<int, vector<int> > pr, g;
      |                                ^
answer.code: In function ‘int main()’:
answer.code:58:30: error: ‘pr’ was not declared in this scope; did you mean ‘p2’?
   58 |                 if (i <= 53) pr[tmp].push_back(i);
      |                              ^~
      |                              p2
answer.code:62:26: error: ‘pr’ was not declared in this scope; did you mean ‘p2’?
   62 |             if (x <= 53) pr[tmp].push_back(x);
      |                          ^~
      |                          p2
answer.code:65:23: error: ‘g’ was not declared in this scope
   65 |         if (mp <= 53) g[0].push_back(tmp);
      |                       ^
answer.code:66:14: error: ‘g’ was not declared in this scope
   66 |         else g[mp].push_back(tmp);
      |              ^
answer.code:69:23: error: ‘g’ was not declared in this scope
   69 |     for (auto group : g) {
      |                       ^
answer.code:71:9: error: ‘vector’ was not declared in this scope
   71 |         vector<int> a = group.second;
      |         ^~~~~~
answer.code:71:9: note: ‘std::vector’ is defined in header ‘<vector>’; did you forget to ‘#include <vector>’?
answer.code:71:16: error: expected primary-expression before ‘int’
   71 |         vector<int> a = group.second;
      |                ^~~
answer.code:74:23: error: ‘a’ was not declared in this scope
   74 |         for (auto u : a) {
      |                       ^
answer.code:76:27: error: ‘pr’ was not declared in this scope; did you mean ‘p2’?
   76 |             for (auto v : pr[u]) cur |= 1 << id[v];
      |                           ^~
      |                           p2