y1s1我感觉写的有点毒。。。
by rechenz @ 2023-06-17 15:00:02
@[zhfaz123](/user/653286) $e\le5\times10^4$；你没用到 `dep`（
by 阿丑 @ 2023-06-17 15:03:50
@[阿丑](/user/364963)
是我傻了，已AC
by zhfaz123 @ 2023-06-17 15:44:31