序列顺序查询

import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.stream.Collectors;

// Class to represent a point of interest with a name and score
class Point {
    String name;
    int score;

    public Point(String name, int score) {
        this.name = name;
        this.score = score;
    }
}

// Main class to handle the addition of points and retrieval of the i-th best point using streams
public class SORTracker {
    private List<Point> points;
    private int queryCount;

    public SORTracker() {
        points = new ArrayList<>();
        queryCount = 0;
    }

    // Adds a new point with a name and score to the tracker
    public void add(String name, int score) {
        Point newPoint = new Point(name, score);
        points.add(newPoint);
    }

    // Retrieves the i-th best point (where i is the current query count) using streams
    public String get() {
        queryCount++;
        return points.stream()
            .sorted(Comparator.comparing(Point::getScore).reversed().thenComparing(Point::getName))
            .map(Point::getName)
            .collect(Collectors.toList())
            .get(queryCount - 1);
    }
}