sclass ScoreBoard<A> {
  double fullScore;
  new Map<A, Double> scores;
  
  void print() {
    printAsciiHeading("Score board (full score: " + fullScore + ")");
    new L<S> l;
    for (A key : keys(sortByValueDesc(scores))) {
      double score = scores.get(key);
      l.add(key + " = " + score + " (" + ratioToIntPercent_floor(score, fullScore) + "%)");
    }
    pnl(l);
  }
}