求这组数据的解释，重点关注 d 队。

5 5 20
0:01:26 E d Accepted
0:13:54 D c Runtime Error
0:44:05 D e Time Limit Exceeded
1:08:56 D c Accepted
1:24:03 B d Presentation Error
1:25:00 A a Wrong Answer
1:30:37 C d Memory Limit Exceeded
1:35:04 C b Accepted
1:41:23 E e Memory Limit Exceeded
2:20:30 E e Time Limit Exceeded
2:50:13 B d Time Limit Exceeded
3:14:36 C b Accepted
3:53:12 C e Memory Limit Exceeded
3:54:50 E e Accepted
4:00:21 A e Time Limit Exceeded
4:12:25 C e Runtime Error
4:24:23 B b Runtime Error
4:49:11 E d Accepted
4:55:03 B a Accepted
4:55:28 B d Accepted

已 AC 的朋友的输出：

a
a
e
b
c
d

我认为的输出：

a
a
e
b
c
d
d

观察到封榜之后 d 队还过了 B 题，那么流程应该是：念 d，B题 AC，更新榜单；发现 d 还是第一名，念 d。