[全错了](https://www.luogu.com.cn/record/92162924)
by hz_rft @ 2022-10-30 10:01:05
不开longlong见祖宗（
by Veranda @ 2022-10-30 10:01:36
哥你只有数组开 ll？
by EastSnowLotus @ 2022-10-30 10:05:41