有东西没开 longlong,有东西忘取模
by Small_Tang @ 2023-10-31 13:42:09
在更新儿子的add时需要先乘父亲的mul再加父亲的add
by Alorithm @ 2023-11-10 17:40:41
@[Alorithm](/user/736738) 还有long long 和 取模
by Alorithm @ 2023-11-10 17:41:42