线段树开 $4$ 倍就行了吧
by mango09 @ 2021-07-13 19:00:34
@[mango13](/user/305532) 但他5倍RE了。严格证明来说只要*4。
by shenxinge @ 2021-07-13 19:02:55
@[pzq_alexpeng](/user/384214) 叶子节点 pushdown 可能需要 $8$ 倍空间
by chenxinyang2006 @ 2021-07-13 21:49:23
@[chenxinyang2006](/user/49776)
我试了，对所有叶子节点特判还是会RE
by esquigybcu @ 2021-07-14 09:49:32