求问第一题——我只能通过27.8%

我的思路就是先排序，然后一个一个的进去累加某一个超限了就拒绝掉
请各位看到的大佬解释一下：我为什么错了

package HuaWei;
import java.util.Comparator;
import java.util.PriorityQueue;
import java.util.Scanner;
public class Reserve {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();// 预定电话数
        int m = sc.nextInt();// 总共能够容纳的人数
        PriorityQueuequeue = new PriorityQueue(new Comparator() {
            @Override
            public int compare(Order o1, Order o2) {
                return o1.startTime - o2.startTime;
            }
        });
        for(int i = 0; i < n; i++){
            int startTime = sc.nextInt();
            int endTime = sc.nextInt();
            int personNum = sc.nextInt();
            Order order = new Order(startTime, endTime, personNum);
            queue.add(order);
        }
        int[] nums = new int[24];
        while(!queue.isEmpty()){
            Order order = queue.poll();
            reserve(nums, order, m);
        }
        for(int i = 0; i < nums.length; i++){
            if(i == nums.length - 1){
                System.out.print(nums[i]);
            }
            else {
                System.out.print(nums[i] + " ");
            }
        }
    }
    private static void reserve(int[] nums, Order orderA, int limit){
        int start = orderA.startTime;
        int end = orderA.endTime;
        for(int i = start; i < end; i++){
            if(orderA.personNum + nums[i] > limit){
                return;
            }
        }
        // 没有return的话表明可以接受该订单
        for(int i = start; i < end; i++){
            nums[i] += orderA.personNum;
        }
    }
}
class Order{
    public int startTime;
    public int endTime;
    public int personNum;
    public Order(int startTime, int endTime, int personNum) {
        this.startTime = startTime;
        this.endTime = endTime;
        this.personNum = personNum;
    }
}
/*
4 40
9 12 5
8 11 10
14 16 30
15 17 20
*/