public Iterable<String> certificateOfElimination(
String team) { // subset R of teams that eliminates given team; null if not eliminated
solve(getTeamFromName(team));
return eliminators.get(team);
}
public boolean isEliminated(String team) { // is given team eliminated?
solve(getTeamFromName(team));
return (eliminators.containsKey(team));
}