其实比较建议手写队列
by plown @ 2023-11-17 11:44:01
其实只要清空队列就行了
by funeral @ 2024-02-04 19:07:02
呃……
` while` 结束的条件是 `!q.empty()` ,
队列为空才会退出循环,
不用清空
by lizeyuhello @ 2024-03-06 22:02:00