std::set<int> get_team_at(uint64_t t);
void set_team_at(uint64_t, const std::set<int> &new_team);
std::vector<int> sort_team(const std::set<int> &team) const; // Ordered first by gender, then by number.
std::set<int> get_team_at(uint64_t t);
void set_team_at(uint64_t, const std::set<int> &new_team);
std::vector<int> sort_team(const std::set<int> &team) const; // Ordered first by gender, then by number.