![](https://cdn.luogu.com.cn/upload/image_hosting/1ndxojst.png)
by SJH_qwq @ 2023-08-23 13:59:24
谢谢你,差点就0分了%%%%%
by LZMkingNB @ 2023-08-23 14:02:10
@[SJH_qwq](/user/761125) 你说的对,但是我会分块调(写完建树会输出来看看)
by dino @ 2023-08-23 14:06:38
@[SJH_qwq](/user/761125) 我终于知道我为什么0pts了
by _Adolf_Hitler_ @ 2023-08-23 14:18:42
终于知道刚刚写的树套树为什么0pts了,树套树其实也要建树(~~废话~~)
by Iniaugoty @ 2023-08-23 15:06:46
还有可能没初始化乘法懒标记为1 @[SJH_qwq](/user/761125)
我就这么干的↑
by Smiog @ 2023-11-06 19:16:02