@[fuxuanshuo](/user/727172) 你得用SPJ吧，比如
2 4 我可以理解为每次加二也可以理解为每次乘二
by Lian_lele @ 2024-03-24 16:32:57
@[fuxuanshuo](/user/727172) 违规宣题，筷子山
by WydnksqhbD @ 2024-03-24 16:53:43
BM+齐次项线性递推:?
by jason_sun @ 2024-03-24 17:01:48