数据结构这种东西找bug比较复杂啊，你中途输出调试一下吧
by hyfhaha @ 2018-12-22 14:07:05
@[hyfhaha](/space/show?uid=58711)
谢谢大佬
by Qiuly @ 2018-12-22 14:07:43
然而发现是快读的原因
by Qiuly @ 2018-12-22 14:07:57
WA了一片
by Qiuly @ 2018-12-22 14:08:08