草，打错字了，线性基
by Dr_Gilbert @ 2022-05-10 20:43:24
@[Dr_Gilbert](/user/574568) 第 10 行 `x^=base[x]` 写错了吧
by XeCtera @ 2022-05-10 20:47:04
@[IcMtr](/user/38785) 感谢大佬，没发现
by Dr_Gilbert @ 2022-05-10 21:14:28