@[Mr_Skirt](/space/show?uid=36956) 其实无所谓的
by mzgwty @ 2019-08-03 09:28:57
@[Old_Wang](/space/show?uid=79075) 先清零再更新子节点的sum真的没问题嘛
by Mr_Skirt @ 2019-08-03 09:32:06
@[Old_Wang](/space/show?uid=79075) 加了还wa pushdown里有个rs我写成ls也改了 还是wa
by RoRoyyy @ 2019-08-03 09:32:16
@[Mr_Skirt](/space/show?uid=36956) 啊啊啊啊谢谢大佬，样例过了..
by RoRoyyy @ 2019-08-03 09:33:00
pushdown里面把t[p].lazy=0放到最后
by mzgwty @ 2019-08-03 09:33:52
@[Mr_Skirt](/space/show?uid=36956) emming，想错了QWQ
by mzgwty @ 2019-08-03 09:34:21
A了 感谢两位大佬
by RoRoyyy @ 2019-08-03 09:34:22